An exception from mysql
hello, an exception occurs when i want to write chinese into mysql:
"sqle=com.mysql.jdbc.MysqlDataTruncation: Data truncation: Data too long for column 'last_name' at row 1"
codes are:
request.setCharacterEncoding("GB2312");
String employee_id = null;
String last_name = request.getParameter("last_name
Class.forName("com.mysql.jdbc.Driver").newInstance();
con = DriverManager.getConnection("jdbc:mysql://localhost:3306/sample_db?user=root&password=1234&useUnicode=true&characterEncoding=GB2312");but, it doesn't work: that is nothing will be stored into mysql as long as the characters input is chinese. but english character is ok.
Thanks very much.
Message was edited by:
yexin218
Tip: the next time before posting, try pasting the error message into google and see what you come up with. But leave out any information that is specific to you such as table names and such! I searched for "com.mysql.jdbc.MysqlDataTruncation: Data truncation: Data too long for column"
and came up with this:
http://bugs.mysql.com/bug.php?id=18908
Perhaps it relates to you.
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* @return stdClassHello Jdesko,
Thank you for you prompt response. Yes, I have changed the connections variables in my dataservice ( I didn't post real values). You are right, after all I didn't make changes on the gateway.php except to add some tracking points. The one that I changed is the amf.config,ini. The application runs without any error exceptions, but don't populate the datagrid. According with the tracing is stoping just when establishing the connection to the database. Please let me know if you have any other clue. thanks -
I am currently migrating from MySql to Derby.
I have been developing a MRPII package for a while now and whilst my classes worked with MySql I am finding difficulty with implementing them using Derby.
I have developed a GUI interface for MRPII functions and use a Database Interface class to connect to the database.
The Database Interface class gives me the capability of reading and writing from a database.
I extend this capability to sub classes ie part, customers, suppliers, work orders.
The problem I have is with the ' "+standardCost+" ' type statements. In MySql, the database engine recognises that the standard cost variable is a double though using Derby I get the following Errors.
SQL Exception: Columns of type 'DOUBLE' cannot hold values of type 'CHAR'. In Save Data error code30000
SQL Exception: Columns of type 'DOUBLE' cannot hold values of type 'CHAR'. In Save Data error code30000
Executed statement INSERT INTO stock VALUES('BUDGET500','A1', '100.0','50.0','1.0','100.0')
Executed statement INSERT INTO part VALUES('BUDGET500', 'PENTIUM','76.0', '86.0','EACH','MP','7','33')
The only solution I see is giving each subclass of Database Interface the individual capability within that class to connect to the database and use prepared statements.
Does anyone know if Derby has the capability of processing the updates using a similar format as shown in my code.
package delta.databaseInterface;
import delta.databaseInterface.DatabaseInterface;
public class Part extends DatabaseInterface{
private String partNumber;
private String partType;
private String description;
private double standardCost;
private double sellingPrice;
private String stockLocation;
private double quantityOnHand;
private String unitOfMeasure;
private double minimumStock;
private double minimumOrderQuantity;
private int leadTime;
private double avaliableStock;
private int commodityCode;
public void setPartNumber(String pn){
this.partNumber = pn.toUpperCase();
public void setDescription(String ds){
this.description = ds.toUpperCase();
public void setStandardCost(double sc){
this.standardCost = sc;
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this.sellingPrice = sp;
public void setQuantityOnHand(double qt){
this.quantityOnHand = qt;
this.avaliableStock = qt;
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this.stockLocation = sl.toUpperCase();
public void setUnitOfMeasure(String uom){
this.unitOfMeasure = uom.toUpperCase();
public void setTypeOfPart(String top){
this.partType = top.toUpperCase();
public void setMinimumStock(double ms){
this.minimumStock= ms;
public void setMinimumOrderQuantity(double moq){
this.minimumOrderQuantity = moq;
public void setLeadTime(int lt){
this.leadTime = lt;
public void setCommodityCode(int cc){
this.commodityCode = cc;
public void insertIntoPartDatabase(){
super.setDatabase("mrpii");
super.setUpdate( "INSERT INTO part VALUES('"+partNumber+"', '"+description+"','"+standardCost+"'," +
" '"+sellingPrice+"','"+unitOfMeasure+"','"+partType+"','"+leadTime+"','"+commodityCode+"')");
super.saveData();
public void insertIntoStockDatabase(){
super.setDatabase("mrpii");
super.setUpdate("INSERT INTO stock VALUES('"+partNumber+"','"+stockLocation+"',"+
" '"+quantityOnHand+"','"+minimumStock+"','"+minimumOrderQuantity+"','"+avaliableStock+"')");
super.saveData();
public void changePartDetails(){
super.setDatabase("mrpii");
super.setUpdate( "UPDATE part SET description = '"+description+"',unitOfMeasure = '"+unitOfMeasure+"',"+
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super.saveData();
public void adjustStock(){
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super.setUpdate( "UPDATE stock SET stockLocation = '"+stockLocation+"',"+
"avaliableStock = (('"+quantityOnHand+"' - qtyOnHand ) + avaliableStock), "+
" qtyOnHand = '"+quantityOnHand+"' WHERE partNumber = '"+partNumber+"' ");
super.saveData();
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super.saveData();
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super.setDatabase("mrpii");
super.setUpdate( "UPDATE stock SET avaliableStock = (avaliableStock - '"+allocated+"') WHERE " +
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super.saveData();
public void increaseAvaliable(double allocated){
super.setDatabase("mrpii");
super.setUpdate( "UPDATE stock SET avaliableStock = (avaliableStock - '"+allocated+"') WHERE " +
"partNumber = '"+partNumber+"' ");
super.saveData();
}Any help would be deeply appreciated
Thanks
JimI am currently migrating from MySql to Derby. Dear God, why?I am using the embedded functionality.
>
I have been developing a MRPII package for a whilenow
MRP as in "manufacturing resource planning"?Yes
>
and whilst my classes worked with MySql I am
finding difficulty with implementing them using
Derby.That suggests that your Java code relies too heavily
on MySQL features. You didn't make your code
portable enough.
I have developed a GUI interface for MRPIIfunctions
and use a Database Interface class to connect tothe
database.
The Database Interface class gives me thecapability
of reading and writing from a database.
I extend this capability to sub classes ie part,
customers, suppliers, work orders.
The problem I have is with the ' "+standardCost+"'
type statements. In MySql, the database engine
recognises that the standard cost variable is a
double though using Derby I get the following
Errors.Right - you're counting on something that might not
be true for all databases. MySQL appears to be doing
an implicit conversion from string to double. Bad
idea.
SQL Exception: Columns of type 'DOUBLE' cannothold
values of type 'CHAR'. In Save Data errorcode30000
SQL Exception: Columns of type 'DOUBLE' cannothold
values of type 'CHAR'. In Save Data errorcode30000
Executed statement INSERT INTO stock
VALUES('BUDGET500','A1',
'100.0','50.0','1.0','100.0')
Executed statement INSERT INTO part
VALUES('BUDGET500', 'PENTIUM','76.0',
'86.0','EACH','MP','7','33')Do you use PreparedStatements to escape strings and
dates for you? If not, you're in for a bumpy ride.
The only solution I see is giving each subclass of
Database Interface the individual capabilitywithin
that class to connect to the database and use
prepared statements.I would not have a single database interface. Each
class has its own requirements. How can a single
class know about all of them? Better to break your
persistence layer into several interaces, one per
persistent class.That is what I thought
>
Does anyone know if Derby has the capability of
processing the updates using a similar format as
shown in my code.I think your code is in trouble, Jim.Probably so, thought a redesign is not so much of a problem now as I am a bit more experienced than when I started out.
>
You don't use prepared statements, which would help
with your portability issues.
You have SQL embedded in the objects. I'd move it
out into a separate persistence layer.
You might want to read about Hibernate, an
object/relational mapping layer. You've got objects
and tables. Hibernate tools or Middlegen can
generate the XML mapping files for you. Once you
have those, you'll find that Hibernate will make
porting to another database a lot easier. It can be
as easy as changing configuration files.
I'd also look into Spring. It has some great
plumbing to help you deal with databases and lots of
other stuff.
%My main class is as follows;
package delta.databaseInterface;
* @author James Charles
import java.sql.SQLException;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.Statement;
import java.sql.ResultSet;
import java.sql.ResultSetMetaData;
import java.util.Vector;
import javax.swing.JTable;
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private String query;
private String update;
private String[][] results = new String[0][0];
private int columnCount = 0;
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Object data[][];
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statement. executeUpdate(this.update);
databaseConnection.close();
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System.err.println(cnfe);
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System.err.println(sqle + " In Save Data error code" + sqle.getErrorCode());
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System.err.println(ie);
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System.err.println(iae);
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System.err.println(cnfe);
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rowData[i] = resultsIn.getString(i+1); // retrieve the data item
dataRows.addElement(rowData); // Store the row in the vector
this.results= new String[dataRows.size()][this.columnCount];
this.data= new Object[dataRows.size()][this.columnCount];
for(int column = 0; column < this.columnCount; column++)
for(int row = 0; row < dataRows.size(); row++){
this.results[row][column] = ((String[])(dataRows.elementAt(row)))[column];
this.data[row][column] = ((String[])(dataRows.elementAt(row)))[column];
this.rowCount = dataRows.size();
try{
if (results[0][0].equals(null)){ this.resultsExist = false;} //ckecks results
else {this.resultsExist = true;}
catch (ArrayIndexOutOfBoundsException e){
System.out.println(e + "in catch");
this.resultsExist = false;
System.out.println("Value of exists in catch = " + this.resultsExist);
}// end of set results
public JTable getTable(Object[] columnNames) {
table = new JTable(data, columnNames);
return table;
public int getColumnCount(){
return this.columnCount;
public int getRowCount(){
return this.rowCount;
public String getData(int row, int column){
return this.results[row][column];
public boolean doResultsExist(){
return this.resultsExist;
} // end of database InterfaceI developed this code about a year ago and maybe it is time to simplify it.
With MySql I could create an instance of Database Interface or use one of its subclasses and perform any function on the database by calling its methods.
maybe it is time for a redesign!
thanks
jim -
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<%
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String connectionURL = "jdbc:mysql://localhost:3306/test";
Connection connection = null;
Statement statement = null;
ResultSet rs = null;
Class.forName("com.mysql.jdbc.Driver");
connection = DriverManager.getConnection(connectionURL, "root", "");
statement = connection.createStatement();
rs = statement.executeQuery("SELECT * FROM category");
%>
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<table>
<%
while(rs.next())
%>
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<%
%>
</table>
</body>
</html>
<%
rs.close();
statement.close();
connection.close();
catch(Exception e)
e.printStackTrace();
finally()
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rs.close();
statement.close();
connection.close();
catch(Exception e)
e.printStackTrace();
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I have a data file which contains 1.3G bytes table data from mysql. It's format is csv.
How can i load these data to an oracle table in java way?
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I thought about using sqlldr. But it requires a oracle client which may not be permitted in my environment.
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% -
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** Started : Wed Dec 20 13:06:56 GMT+05:30 2006
** Workbench Repository : Oracle Database 10g Enterprise Edition Release 10.1.0.3.0 - Production
With the Partitioning, OLAP and Data Mining options
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** MySQL 4.X Plugin, Production Release 10.1.0.4.1
** MySQL 5.X Plugin, Beta Release for 10.1.0.4.0
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java.lang.ArrayIndexOutOfBoundsException
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at oracle.mtg.migrationServer.LoadTableData._migrateTableData(LoadTableData.java:563)
at oracle.mtg.migrationServer.LoadTableData.run(LoadTableData.java:326)
at oracle.mtg.migration.WorkerThread.run(Worker.java:268)
java.sql.SQLException: Error during query: Unexpected Exception: java.lang.ArrayIndexOutOfBoundsException message given: 11823
Nested Stack Trace:
** BEGIN NESTED EXCEPTION **
java.lang.ArrayIndexOutOfBoundsException
MESSAGE: 11823
STACKTRACE:
java.lang.ArrayIndexOutOfBoundsException: 11823
at com.mysql.jdbc.Buffer.readFieldLength(Buffer.java:246)
at com.mysql.jdbc.Buffer.fastSkipLenString(Buffer.java:107)
at com.mysql.jdbc.MysqlIO.unpackField(MysqlIO.java:472)
at com.mysql.jdbc.MysqlIO.getResultSet(MysqlIO.java:285)
at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1326)
at com.mysql.jdbc.MysqlIO.sqlQuery(MysqlIO.java:1225)
at com.mysql.jdbc.Connection.execSQL(Connection.java:2278)
at com.mysql.jdbc.Connection.execSQL(Connection.java:2225)
at com.mysql.jdbc.Statement.executeQuery(Statement.java:1163)
at oracle.mtg.migrationServer.LoadTableData._migrateTableData(LoadTableData.java:563)
at oracle.mtg.migrationServer.LoadTableData.run(LoadTableData.java:326)
at oracle.mtg.migration.WorkerThread.run(Worker.java:268)
** END NESTED EXCEPTION **
at com.mysql.jdbc.Connection.execSQL(Connection.java:2312)
at com.mysql.jdbc.Connection.execSQL(Connection.java:2225)
at com.mysql.jdbc.Statement.executeQuery(Statement.java:1163)
at oracle.mtg.migrationServer.LoadTableData._migrateTableData(LoadTableData.java:563)
at oracle.mtg.migrationServer.LoadTableData.run(LoadTableData.java:326)
at oracle.mtg.migration.WorkerThread.run(Worker.java:268)
java.sql.SQLException: Error during query: Unexpected Exception: java.lang.ArrayIndexOutOfBoundsException message given: 12152
Nested Stack Trace:
** BEGIN NESTED EXCEPTION **
java.lang.ArrayIndexOutOfBoundsException
MESSAGE: 12152
STACKTRACE:
java.lang.ArrayIndexOutOfBoundsException: 12152
at com.mysql.jdbc.Buffer.readFieldLength(Buffer.java:246)
at com.mysql.jdbc.Buffer.fastSkipLenString(Buffer.java:107)
at com.mysql.jdbc.MysqlIO.unpackField(MysqlIO.java:472)
at com.mysql.jdbc.MysqlIO.getResultSet(MysqlIO.java:285)
at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1326)
at com.mysql.jdbc.MysqlIO.sqlQuery(MysqlIO.java:1225)
at com.mysql.jdbc.Connection.execSQL(Connection.java:2278)
at com.mysql.jdbc.Connection.execSQL(Connection.java:2225)
at com.mysql.jdbc.Statement.executeQuery(Statement.java:1163)
at oracle.mtg.migrationServer.LoadTableData._migrateTableData(LoadTableData.java:563)
at oracle.mtg.migrationServer.LoadTableData.run(LoadTableData.java:326)
at oracle.mtg.migration.WorkerThread.run(Worker.java:268)
** END NESTED EXCEPTION **
at com.mysql.jdbc.Connection.execSQL(Connection.java:2312)
at com.mysql.jdbc.Connection.execSQL(Connection.java:2225)
at com.mysql.jdbc.Statement.executeQuery(Statement.java:1163)
at oracle.mtg.migrationServer.LoadTableData._migrateTableData(LoadTableData.java:563)
at oracle.mtg.migrationServer.LoadTableData.run(LoadTableData.java:326)
at oracle.mtg.migration.WorkerThread.run(Worker.java:268)
java.sql.SQLException: Error during query: Unexpected Exception: java.lang.ArrayIndexOutOfBoundsException message given: 11572
Nested Stack Trace:
** BEGIN NESTED EXCEPTION **
java.lang.ArrayIndexOutOfBoundsException
MESSAGE: 11572
STACKTRACE:
java.lang.ArrayIndexOutOfBoundsException: 11572
at com.mysql.jdbc.Buffer.readFieldLength(Buffer.java:246)
at com.mysql.jdbc.Buffer.fastSkipLenString(Buffer.java:107)
at com.mysql.jdbc.MysqlIO.unpackField(MysqlIO.java:472)
at com.mysql.jdbc.MysqlIO.getResultSet(MysqlIO.java:285)
at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1326)
at com.mysql.jdbc.MysqlIO.sqlQuery(MysqlIO.java:1225)
at com.mysql.jdbc.Connection.execSQL(Connection.java:2278)
at com.mysql.jdbc.Connection.execSQL(Connection.java:2225)
at com.mysql.jdbc.Statement.executeQuery(Statement.java:1163)
at oracle.mtg.migrationServer.LoadTableData._migrateTableData(LoadTableData.java:563)
at oracle.mtg.migrationServer.LoadTableData.run(LoadTableData.java:326)
at oracle.mtg.migration.WorkerThread.run(Worker.java:268)
** END NESTED EXCEPTION **
at com.mysql.jdbc.Connection.execSQL(Connection.java:2312)
at com.mysql.jdbc.Connection.execSQL(Connection.java:2225)
at com.mysql.jdbc.Statement.executeQuery(Statement.java:1163)
at oracle.mtg.migrationServer.LoadTableData._migrateTableData(LoadTableData.java:563)
at oracle.mtg.migrationServer.LoadTableData.run(LoadTableData.java:326)
at oracle.mtg.migration.WorkerThread.run(Worker.java:268)
java.sql.SQLException: Error during query: Unexpected Exception: java.lang.ArrayIndexOutOfBoundsException message given: 11693
Nested Stack Trace:
** BEGIN NESTED EXCEPTION **
java.lang.ArrayIndexOutOfBoundsException
MESSAGE: 11693
STACKTRACE:
java.lang.ArrayIndexOutOfBoundsException: 11693
at com.mysql.jdbc.Buffer.readFieldLength(Buffer.java:246)
at com.mysql.jdbc.Buffer.fastSkipLenString(Buffer.java:107)
at com.mysql.jdbc.MysqlIO.unpackField(MysqlIO.java:472)
at com.mysql.jdbc.MysqlIO.getResultSet(MysqlIO.java:285)
at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1326)
at com.mysql.jdbc.MysqlIO.sqlQuery(MysqlIO.java:1225)
at com.mysql.jdbc.Connection.execSQL(Connection.java:2278)
at com.mysql.jdbc.Connection.execSQL(Connection.java:2225)
at com.mysql.jdbc.Statement.executeQuery(Statement.java:1163)
at oracle.mtg.migrationServer.LoadTableData._migrateTableData(LoadTableData.java:563)
at oracle.mtg.migrationServer.LoadTableData.run(LoadTableData.java:326)
at oracle.mtg.migration.WorkerThread.run(Worker.java:268)
** END NESTED EXCEPTION **
at com.mysql.jdbc.Connection.execSQL(Connection.java:2312)
at com.mysql.jdbc.Connection.execSQL(Connection.java:2225)
at com.mysql.jdbc.Statement.executeQuery(Statement.java:1163)
at oracle.mtg.migrationServer.LoadTableData._migrateTableData(LoadTableData.java:563)
at oracle.mtg.migrationServer.LoadTableData.run(LoadTableData.java:326)
at oracle.mtg.migration.WorkerThread.run(Worker.java:268)
java.sql.SQLException: Error during query: Unexpected Exception: java.lang.ArrayIndexOutOfBoundsException message given: 11569
Nested Stack Trace:
** BEGIN NESTED EXCEPTION **
java.lang.ArrayIndexOutOfBoundsException
MESSAGE: 11569
STACKTRACE:
java.lang.ArrayIndexOutOfBoundsException: 11569
at com.mysql.jdbc.Buffer.readFieldLength(Buffer.java:246)
at com.mysql.jdbc.Buffer.fastSkipLenString(Buffer.java:107)
at com.mysql.jdbc.MysqlIO.unpackField(MysqlIO.java:472)
at com.mysql.jdbc.MysqlIO.getResultSet(MysqlIO.java:285)
at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1326)
at com.mysql.jdbc.MysqlIO.sqlQuery(MysqlIO.java:1225)
at com.mysql.jdbc.Connection.execSQL(Connection.java:2278)
at com.mysql.jdbc.Connection.execSQL(Connection.java:2225)
at com.mysql.jdbc.Statement.executeQuery(Statement.java:1163)
at oracle.mtg.migrationServer.LoadTableData._migrateTableData(LoadTableData.java:563)
at oracle.mtg.migrationServer.LoadTableData.run(LoadTableData.java:326)
at oracle.mtg.migration.WorkerThread.run(Worker.java:268)
** END NESTED EXCEPTION **
at com.mysql.jdbc.Connection.execSQL(Connection.java:2312)
at com.mysql.jdbc.Connection.execSQL(Connection.java:2225)
at com.mysql.jdbc.Statement.executeQuery(Statement.java:1163)
at oracle.mtg.migrationServer.LoadTableData._migrateTableData(LoadTableData.java:563)
at oracle.mtg.migrationServer.LoadTableData.run(LoadTableData.java:326)
at oracle.mtg.migration.WorkerThread.run(Worker.java:268)
java.sql.SQLException: Error during query: Unexpected Exception: java.lang.ArrayIndexOutOfBoundsException message given: 11569
Nested Stack Trace:
** BEGIN NESTED EXCEPTION **
java.lang.ArrayIndexOutOfBoundsException
MESSAGE: 11569
STACKTRACE:
java.lang.ArrayIndexOutOfBoundsException: 11569
at com.mysql.jdbc.Buffer.readFieldLength(Buffer.java:246)
at com.mysql.jdbc.Buffer.fastSkipLenString(Buffer.java:107)
at com.mysql.jdbc.MysqlIO.unpackField(MysqlIO.java:472)
at com.mysql.jdbc.MysqlIO.getResultSet(MysqlIO.java:285)
at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1326)
at com.mysql.jdbc.MysqlIO.sqlQuery(MysqlIO.java:1225)
at com.mysql.jdbc.Connection.execSQL(Connection.java:2278)
at com.mysql.jdbc.Connection.execSQL(Connection.java:2225)
at com.mysql.jdbc.Statement.executeQuery(Statement.java:1163)
at oracle.mtg.migrationServer.LoadTableData._migrateTableData(LoadTableData.java:563)
at oracle.mtg.migrationServer.LoadTableData.run(LoadTableData.java:326)
at oracle.mtg.migration.WorkerThread.run(Worker.java:268)
** END NESTED EXCEPTION **
at com.mysql.jdbc.Connection.execSQL(Connection.java:2312)
at com.mysql.jdbc.Connection.execSQL(Connection.java:2225)
at com.mysql.jdbc.Statement.executeQuery(Statement.java:1163)
at oracle.mtg.migrationServer.LoadTableData._migrateTableData(LoadTableData.java:563)
at oracle.mtg.migrationServer.LoadTableData.run(LoadTableData.java:326)
at oracle.mtg.migration.WorkerThread.run(Worker.java:268)
java.sql.SQLException: Error during query: Unexpected Exception: java.lang.ArrayIndexOutOfBoundsException message given: 11569
Nested Stack Trace:
** BEGIN NESTED EXCEPTION **
java.lang.ArrayIndexOutOfBoundsException
MESSAGE: 11569
STACKTRACE:
java.lang.ArrayIndexOutOfBoundsException: 11569
at com.mysql.jdbc.Buffer.readFieldLength(Buffer.java:246)
at com.mysql.jdbc.Buffer.fastSkipLenString(Buffer.java:107)
at com.mysql.jdbc.MysqlIO.unpackField(MysqlIO.java:472)
at com.mysql.jdbc.MysqlIO.getResultSet(MysqlIO.java:285)
at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1326)
at com.mysql.jdbc.MysqlIO.sqlQuery(MysqlIO.java:1225)
at com.mysql.jdbc.Connection.execSQL(Connection.java:2278)
at com.mysql.jdbc.Connection.execSQL(Connection.java:2225)
at com.mysql.jdbc.Statement.executeQuery(Statement.java:1163)
at oracle.mtg.migrationServer.LoadTableData._migrateTableData(LoadTableData.java:563)
at oracle.mtg.migrationServer.LoadTableData.run(LoadTableData.java:326)
at oracle.mtg.migration.WorkerThread.run(Worker.java:268)
** END NESTED EXCEPTION **
at com.mysql.jdbc.Connection.execSQL(Connection.java:2312)
at com.mysql.jdbc.Connection.execSQL(Connection.java:2225)
at com.mysql.jdbc.Statement.executeQuery(Statement.java:1163)
at oracle.mtg.migrationServer.LoadTableData._migrateTableData(LoadTableData.java:563)
at oracle.mtg.migrationServer.LoadTableData.run(LoadTableData.java:326)
at oracle.mtg.migration.WorkerThread.run(Worker.java:268)
java.sql.SQLException: Error during query: Unexpected Exception: java.lang.ArrayIndexOutOfBoundsException message given: 11569
Nested Stack Trace:
** BEGIN NESTED EXCEPTION **
java.lang.ArrayIndexOutOfBoundsException
MESSAGE: 11569
STACKTRACE:
java.lang.ArrayIndexOutOfBoundsException: 11569
at com.mysql.jdbc.Buffer.readFieldLength(Buffer.java:246)
at com.mysql.jdbc.Buffer.fastSkipLenString(Buffer.java:107)
at com.mysql.jdbc.MysqlIO.unpackField(MysqlIO.java:472)
at com.mysql.jdbc.MysqlIO.getResultSet(MysqlIO.java:285)
at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1326)
at com.mysql.jdbc.MysqlIO.sqlQuery(MysqlIO.java:1225)
at com.mysql.jdbc.Connection.execSQL(Connection.java:2278)
at com.mysql.jdbc.Connection.execSQL(Connection.java:2225)
at com.mysql.jdbc.Statement.executeQuery(Statement.java:1163)
at oracle.mtg.migrationServer.LoadTableData._migrateTableData(LoadTableData.java:563)
at oracle.mtg.migrationServer.LoadTableData.run(LoadTableData.java:326)
at oracle.mtg.migration.WorkerThread.run(Worker.java:268)
** END NESTED EXCEPTION **Hello Folks,
I m trying to migrate my DB from mysql 5 to Oracle 10g .
I m meeting with some issues.
1) My table data are missing.
2) My foreign key indexing is missed.
Any idea why so?
This is a portion of Error log:
** Started : Wed Dec 20 13:06:56 GMT+05:30 2006
** Workbench Repository : Oracle Database 10g Enterprise Edition Release 10.1.0.3.0 - Production
With the Partitioning, OLAP and Data Mining options
Repository Connection URL: jdbc:oracle:thin:@192.168.0.2:1521:tpss10g
** The following plugins are installed:
** MySQL 3.22/3.23 Plugin, Production Release 10.1.0.4.1
** MySQL 4.X Plugin, Production Release 10.1.0.4.1
** MySQL 5.X Plugin, Beta Release for 10.1.0.4.0
** Active Plugin : MySQL5
EXCEPTION : MySQLSourceModelMap._mapforeignKeys(): nios.root.order_rejection_notice_ibfk_1; Referenced schema not found.
EXCEPTION : MySQLSourceModelMap._mapforeignKeys(): nios.root.trading_partner_2_sm_link_ibfk_2; Referenced schema not found.
java.lang.OutOfMemoryError
java.lang.OutOfMemoryError
java.sql.SQLException: Error during query: Unexpected Exception: java.lang.ArrayIndexOutOfBoundsException message given: 12173
Nested Stack Trace:
** BEGIN NESTED EXCEPTION **
java.lang.ArrayIndexOutOfBoundsException
MESSAGE: 12173
STACKTRACE:
java.lang.ArrayIndexOutOfBoundsException: 12173
at com.mysql.jdbc.Buffer.readFieldLength(Buffer.java:246)
at com.mysql.jdbc.Buffer.fastSkipLenString(Buffer.java:107)
at com.mysql.jdbc.MysqlIO.unpackField(MysqlIO.java:472)
at com.mysql.jdbc.MysqlIO.getResultSet(MysqlIO.java:285)
at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1326)
at com.mysql.jdbc.MysqlIO.sqlQuery(MysqlIO.java:1225)
at com.mysql.jdbc.Connection.execSQL(Connection.java:2278)
at com.mysql.jdbc.Connection.execSQL(Connection.java:2225)
at com.mysql.jdbc.Statement.executeQuery(Statement.java:1163)
at oracle.mtg.migrationServer.LoadTableData._migrateTableData(LoadTableData.java:563)
at oracle.mtg.migrationServer.LoadTableData.run(LoadTableData.java:326)
at oracle.mtg.migration.WorkerThread.run(Worker.java:268)
** END NESTED EXCEPTION **
at com.mysql.jdbc.Connection.execSQL(Connection.java:2312)
at com.mysql.jdbc.Connection.execSQL(Connection.java:2225)
at com.mysql.jdbc.Statement.executeQuery(Statement.java:1163)
at oracle.mtg.migrationServer.LoadTableData._migrateTableData(LoadTableData.java:563)
at oracle.mtg.migrationServer.LoadTableData.run(LoadTableData.java:326)
at oracle.mtg.migration.WorkerThread.run(Worker.java:268)
java.sql.SQLException: Error during query: Unexpected Exception: java.lang.ArrayIndexOutOfBoundsException message given: 11823
Nested Stack Trace:
** BEGIN NESTED EXCEPTION **
java.lang.ArrayIndexOutOfBoundsException
MESSAGE: 11823
STACKTRACE:
java.lang.ArrayIndexOutOfBoundsException: 11823
at com.mysql.jdbc.Buffer.readFieldLength(Buffer.java:246)
at com.mysql.jdbc.Buffer.fastSkipLenString(Buffer.java:107)
at com.mysql.jdbc.MysqlIO.unpackField(MysqlIO.java:472)
at com.mysql.jdbc.MysqlIO.getResultSet(MysqlIO.java:285)
at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1326)
at com.mysql.jdbc.MysqlIO.sqlQuery(MysqlIO.java:1225)
at com.mysql.jdbc.Connection.execSQL(Connection.java:2278)
at com.mysql.jdbc.Connection.execSQL(Connection.java:2225)
at com.mysql.jdbc.Statement.executeQuery(Statement.java:1163)
at oracle.mtg.migrationServer.LoadTableData._migrateTableData(LoadTableData.java:563)
at oracle.mtg.migrationServer.LoadTableData.run(LoadTableData.java:326)
at oracle.mtg.migration.WorkerThread.run(Worker.java:268)
** END NESTED EXCEPTION **
at com.mysql.jdbc.Connection.execSQL(Connection.java:2312)
at com.mysql.jdbc.Connection.execSQL(Connection.java:2225)
at com.mysql.jdbc.Statement.executeQuery(Statement.java:1163)
at oracle.mtg.migrationServer.LoadTableData._migrateTableData(LoadTableData.java:563)
at oracle.mtg.migrationServer.LoadTableData.run(LoadTableData.java:326)
at oracle.mtg.migration.WorkerThread.run(Worker.java:268)
java.sql.SQLException: Error during query: Unexpected Exception: java.lang.ArrayIndexOutOfBoundsException message given: 12152
Nested Stack Trace:
** BEGIN NESTED EXCEPTION **
java.lang.ArrayIndexOutOfBoundsException
MESSAGE: 12152
STACKTRACE:
java.lang.ArrayIndexOutOfBoundsException: 12152
at com.mysql.jdbc.Buffer.readFieldLength(Buffer.java:246)
at com.mysql.jdbc.Buffer.fastSkipLenString(Buffer.java:107)
at com.mysql.jdbc.MysqlIO.unpackField(MysqlIO.java:472)
at com.mysql.jdbc.MysqlIO.getResultSet(MysqlIO.java:285)
at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1326)
at com.mysql.jdbc.MysqlIO.sqlQuery(MysqlIO.java:1225)
at com.mysql.jdbc.Connection.execSQL(Connection.java:2278)
at com.mysql.jdbc.Connection.execSQL(Connection.java:2225)
at com.mysql.jdbc.Statement.executeQuery(Statement.java:1163)
at oracle.mtg.migrationServer.LoadTableData._migrateTableData(LoadTableData.java:563)
at oracle.mtg.migrationServer.LoadTableData.run(LoadTableData.java:326)
at oracle.mtg.migration.WorkerThread.run(Worker.java:268)
** END NESTED EXCEPTION **
at com.mysql.jdbc.Connection.execSQL(Connection.java:2312)
at com.mysql.jdbc.Connection.execSQL(Connection.java:2225)
at com.mysql.jdbc.Statement.executeQuery(Statement.java:1163)
at oracle.mtg.migrationServer.LoadTableData._migrateTableData(LoadTableData.java:563)
at oracle.mtg.migrationServer.LoadTableData.run(LoadTableData.java:326)
at oracle.mtg.migration.WorkerThread.run(Worker.java:268)
java.sql.SQLException: Error during query: Unexpected Exception: java.lang.ArrayIndexOutOfBoundsException message given: 11572
Nested Stack Trace:
** BEGIN NESTED EXCEPTION **
java.lang.ArrayIndexOutOfBoundsException
MESSAGE: 11572
STACKTRACE:
java.lang.ArrayIndexOutOfBoundsException: 11572
at com.mysql.jdbc.Buffer.readFieldLength(Buffer.java:246)
at com.mysql.jdbc.Buffer.fastSkipLenString(Buffer.java:107)
at com.mysql.jdbc.MysqlIO.unpackField(MysqlIO.java:472)
at com.mysql.jdbc.MysqlIO.getResultSet(MysqlIO.java:285)
at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1326)
at com.mysql.jdbc.MysqlIO.sqlQuery(MysqlIO.java:1225)
at com.mysql.jdbc.Connection.execSQL(Connection.java:2278)
at com.mysql.jdbc.Connection.execSQL(Connection.java:2225)
at com.mysql.jdbc.Statement.executeQuery(Statement.java:1163)
at oracle.mtg.migrationServer.LoadTableData._migrateTableData(LoadTableData.java:563)
at oracle.mtg.migrationServer.LoadTableData.run(LoadTableData.java:326)
at oracle.mtg.migration.WorkerThread.run(Worker.java:268)
** END NESTED EXCEPTION **
at com.mysql.jdbc.Connection.execSQL(Connection.java:2312)
at com.mysql.jdbc.Connection.execSQL(Connection.java:2225)
at com.mysql.jdbc.Statement.executeQuery(Statement.java:1163)
at oracle.mtg.migrationServer.LoadTableData._migrateTableData(LoadTableData.java:563)
at oracle.mtg.migrationServer.LoadTableData.run(LoadTableData.java:326)
at oracle.mtg.migration.WorkerThread.run(Worker.java:268)
java.sql.SQLException: Error during query: Unexpected Exception: java.lang.ArrayIndexOutOfBoundsException message given: 11693
Nested Stack Trace:
** BEGIN NESTED EXCEPTION **
java.lang.ArrayIndexOutOfBoundsException
MESSAGE: 11693
STACKTRACE:
java.lang.ArrayIndexOutOfBoundsException: 11693
at com.mysql.jdbc.Buffer.readFieldLength(Buffer.java:246)
at com.mysql.jdbc.Buffer.fastSkipLenString(Buffer.java:107)
at com.mysql.jdbc.MysqlIO.unpackField(MysqlIO.java:472)
at com.mysql.jdbc.MysqlIO.getResultSet(MysqlIO.java:285)
at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1326)
at com.mysql.jdbc.MysqlIO.sqlQuery(MysqlIO.java:1225)
at com.mysql.jdbc.Connection.execSQL(Connection.java:2278)
at com.mysql.jdbc.Connection.execSQL(Connection.java:2225)
at com.mysql.jdbc.Statement.executeQuery(Statement.java:1163)
at oracle.mtg.migrationServer.LoadTableData._migrateTableData(LoadTableData.java:563)
at oracle.mtg.migrationServer.LoadTableData.run(LoadTableData.java:326)
at oracle.mtg.migration.WorkerThread.run(Worker.java:268)
** END NESTED EXCEPTION **
at com.mysql.jdbc.Connection.execSQL(Connection.java:2312)
at com.mysql.jdbc.Connection.execSQL(Connection.java:2225)
at com.mysql.jdbc.Statement.executeQuery(Statement.java:1163)
at oracle.mtg.migrationServer.LoadTableData._migrateTableData(LoadTableData.java:563)
at oracle.mtg.migrationServer.LoadTableData.run(LoadTableData.java:326)
at oracle.mtg.migration.WorkerThread.run(Worker.java:268)
java.sql.SQLException: Error during query: Unexpected Exception: java.lang.ArrayIndexOutOfBoundsException message given: 11569
Nested Stack Trace:
** BEGIN NESTED EXCEPTION **
java.lang.ArrayIndexOutOfBoundsException
MESSAGE: 11569
STACKTRACE:
java.lang.ArrayIndexOutOfBoundsException: 11569
at com.mysql.jdbc.Buffer.readFieldLength(Buffer.java:246)
at com.mysql.jdbc.Buffer.fastSkipLenString(Buffer.java:107)
at com.mysql.jdbc.MysqlIO.unpackField(MysqlIO.java:472)
at com.mysql.jdbc.MysqlIO.getResultSet(MysqlIO.java:285)
at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1326)
at com.mysql.jdbc.MysqlIO.sqlQuery(MysqlIO.java:1225)
at com.mysql.jdbc.Connection.execSQL(Connection.java:2278)
at com.mysql.jdbc.Connection.execSQL(Connection.java:2225)
at com.mysql.jdbc.Statement.executeQuery(Statement.java:1163)
at oracle.mtg.migrationServer.LoadTableData._migrateTableData(LoadTableData.java:563)
at oracle.mtg.migrationServer.LoadTableData.run(LoadTableData.java:326)
at oracle.mtg.migration.WorkerThread.run(Worker.java:268)
** END NESTED EXCEPTION **
at com.mysql.jdbc.Connection.execSQL(Connection.java:2312)
at com.mysql.jdbc.Connection.execSQL(Connection.java:2225)
at com.mysql.jdbc.Statement.executeQuery(Statement.java:1163)
at oracle.mtg.migrationServer.LoadTableData._migrateTableData(LoadTableData.java:563)
at oracle.mtg.migrationServer.LoadTableData.run(LoadTableData.java:326)
at oracle.mtg.migration.WorkerThread.run(Worker.java:268)
java.sql.SQLException: Error during query: Unexpected Exception: java.lang.ArrayIndexOutOfBoundsException message given: 11569
Nested Stack Trace:
** BEGIN NESTED EXCEPTION **
java.lang.ArrayIndexOutOfBoundsException
MESSAGE: 11569
STACKTRACE:
java.lang.ArrayIndexOutOfBoundsException: 11569
at com.mysql.jdbc.Buffer.readFieldLength(Buffer.java:246)
at com.mysql.jdbc.Buffer.fastSkipLenString(Buffer.java:107)
at com.mysql.jdbc.MysqlIO.unpackField(MysqlIO.java:472)
at com.mysql.jdbc.MysqlIO.getResultSet(MysqlIO.java:285)
at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1326)
at com.mysql.jdbc.MysqlIO.sqlQuery(MysqlIO.java:1225)
at com.mysql.jdbc.Connection.execSQL(Connection.java:2278)
at com.mysql.jdbc.Connection.execSQL(Connection.java:2225)
at com.mysql.jdbc.Statement.executeQuery(Statement.java:1163)
at oracle.mtg.migrationServer.LoadTableData._migrateTableData(LoadTableData.java:563)
at oracle.mtg.migrationServer.LoadTableData.run(LoadTableData.java:326)
at oracle.mtg.migration.WorkerThread.run(Worker.java:268)
** END NESTED EXCEPTION **
at com.mysql.jdbc.Connection.execSQL(Connection.java:2312)
at com.mysql.jdbc.Connection.execSQL(Connection.java:2225)
at com.mysql.jdbc.Statement.executeQuery(Statement.java:1163)
at oracle.mtg.migrationServer.LoadTableData._migrateTableData(LoadTableData.java:563)
at oracle.mtg.migrationServer.LoadTableData.run(LoadTableData.java:326)
at oracle.mtg.migration.WorkerThread.run(Worker.java:268)
java.sql.SQLException: Error during query: Unexpected Exception: java.lang.ArrayIndexOutOfBoundsException message given: 11569
Nested Stack Trace:
** BEGIN NESTED EXCEPTION **
java.lang.ArrayIndexOutOfBoundsException
MESSAGE: 11569
STACKTRACE:
java.lang.ArrayIndexOutOfBoundsException: 11569
at com.mysql.jdbc.Buffer.readFieldLength(Buffer.java:246)
at com.mysql.jdbc.Buffer.fastSkipLenString(Buffer.java:107)
at com.mysql.jdbc.MysqlIO.unpackField(MysqlIO.java:472)
at com.mysql.jdbc.MysqlIO.getResultSet(MysqlIO.java:285)
at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1326)
at com.mysql.jdbc.MysqlIO.sqlQuery(MysqlIO.java:1225)
at com.mysql.jdbc.Connection.execSQL(Connection.java:2278)
at com.mysql.jdbc.Connection.execSQL(Connection.java:2225)
at com.mysql.jdbc.Statement.executeQuery(Statement.java:1163)
at oracle.mtg.migrationServer.LoadTableData._migrateTableData(LoadTableData.java:563)
at oracle.mtg.migrationServer.LoadTableData.run(LoadTableData.java:326)
at oracle.mtg.migration.WorkerThread.run(Worker.java:268)
** END NESTED EXCEPTION **
at com.mysql.jdbc.Connection.execSQL(Connection.java:2312)
at com.mysql.jdbc.Connection.execSQL(Connection.java:2225)
at com.mysql.jdbc.Statement.executeQuery(Statement.java:1163)
at oracle.mtg.migrationServer.LoadTableData._migrateTableData(LoadTableData.java:563)
at oracle.mtg.migrationServer.LoadTableData.run(LoadTableData.java:326)
at oracle.mtg.migration.WorkerThread.run(Worker.java:268)
java.sql.SQLException: Error during query: Unexpected Exception: java.lang.ArrayIndexOutOfBoundsException message given: 11569
Nested Stack Trace:
** BEGIN NESTED EXCEPTION **
java.lang.ArrayIndexOutOfBoundsException
MESSAGE: 11569
STACKTRACE:
java.lang.ArrayIndexOutOfBoundsException: 11569
at com.mysql.jdbc.Buffer.readFieldLength(Buffer.java:246)
at com.mysql.jdbc.Buffer.fastSkipLenString(Buffer.java:107)
at com.mysql.jdbc.MysqlIO.unpackField(MysqlIO.java:472)
at com.mysql.jdbc.MysqlIO.getResultSet(MysqlIO.java:285)
at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1326)
at com.mysql.jdbc.MysqlIO.sqlQuery(MysqlIO.java:1225)
at com.mysql.jdbc.Connection.execSQL(Connection.java:2278)
at com.mysql.jdbc.Connection.execSQL(Connection.java:2225)
at com.mysql.jdbc.Statement.executeQuery(Statement.java:1163)
at oracle.mtg.migrationServer.LoadTableData._migrateTableData(LoadTableData.java:563)
at oracle.mtg.migrationServer.LoadTableData.run(LoadTableData.java:326)
at oracle.mtg.migration.WorkerThread.run(Worker.java:268)
** END NESTED EXCEPTION ** -
Migration from MySQL 5 to Oracle 10g
Hi All,
I'm currently trying to migrate a MySQL database to Oracle and have encountered a few issues, it appears to work fine for most of the tables, with a few errors occurring in the logs for other tables, but they look to be related to connection issues that I am encountering. Both the MySQL and Oracle Database are installed locally on my machine. Below is the exception. Any ideas why the migration would be working perfectly and then encountering the below problems?
Any help would be greatly appreciated. Thanks in advance. Also, should anyone need any further information regarding my system setup etc. don't hesitate to ask.
java.sql.SQLException MESSAGE: Communication link failure: java.io.EOFException, underlying cause: null ** BEGIN NESTED EXCEPTION ** java.io.EOFException STACKTRACE: java.io.EOFException at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:1395) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:1571) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:1930) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:1907) at com.mysql.jdbc.MysqlIO.nextRow(MysqlIO.java:998) at com.mysql.jdbc.MysqlIO.getResultSet(MysqlIO.java:305) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1326) at com.mysql.jdbc.MysqlIO.sqlQuery(MysqlIO.java:1225) at com.mysql.jdbc.Connection.execSQL(Connection.java:2278) at com.mysql.jdbc.Connection.execSQL(Connection.java:2225) at com.mysql.jdbc.Statement.executeQuery(Statement.java:1163) at oracle.dbtools.migration.datamove.online.DataMoveDrone.doDataMove(DataMoveDrone.java:359) at oracle.dbtools.migration.datamove.online.DataMoveDrone.run(DataMoveDrone.java:230) at java.lang.Thread.run(Thread.java:595) ** END NESTED EXCEPTION ** STACKTRACE: java.sql.SQLException: Communication link failure: java.io.EOFException, underlying cause: null ** BEGIN NESTED EXCEPTION ** java.io.EOFException STACKTRACE: java.io.EOFException at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:1395) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:1571) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:1930) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:1907) at com.mysql.jdbc.MysqlIO.nextRow(MysqlIO.java:998) at com.mysql.jdbc.MysqlIO.getResultSet(MysqlIO.java:305) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1326) at com.mysql.jdbc.MysqlIO.sqlQuery(MysqlIO.java:1225) at com.mysql.jdbc.Connection.execSQL(Connection.java:2278) at com.mysql.jdbc.Connection.execSQL(Connection.java:2225) at com.mysql.jdbc.Statement.executeQuery(Statement.java:1163) at oracle.dbtools.migration.datamove.online.DataMoveDrone.doDataMove(DataMoveDrone.java:359) at oracle.dbtools.migration.datamove.online.DataMoveDrone.run(DataMoveDrone.java:230) at java.lang.Thread.run(Thread.java:595) ** END NESTED EXCEPTION **
Kindest regards,
HarryHi,
Unfortunately now I am receiving a slightly different error, relating to the connection being closed due to a seemingly bad response from the MySQL server, where it expected a larger value than received. I have updated the Third Party JDBC drivers to the latest available.
The connection appears to drop and stop the data migration process, and it appears that this has stopped sooner than my previous attempt. Any help/advice would be greatly welcomed. I'll continue to investigate this on the web, but would assume this is the best possible resource for resolving these kind of problems.
Below is the stack trace received in the migration logs:
It is a particularly large one (sorry)
Failed to move data: No operations allowed after connection closed.Connection was implicitly closed due to underlying exception/error: ** BEGIN NESTED EXCEPTION ** com.mysql.jdbc.CommunicationsException MESSAGE: Communications link failure due to underlying exception: ** BEGIN NESTED EXCEPTION ** java.io.EOFException MESSAGE: Can not read response from server. Expected to read 23,493 bytes, read 9,268 bytes before connection was unexpectedly lost. STACKTRACE: java.io.EOFException: Can not read response from server. Expected to read 23,493 bytes, read 9,268 bytes before connection was unexpectedly lost. at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:1997) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:2464) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:2916) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:885) at com.mysql.jdbc.MysqlIO.nextRow(MysqlIO.java:1360) at com.mysql.jdbc.MysqlIO.readSingleRowSet(MysqlIO.java:2369) at com.mysql.jdbc.MysqlIO.getResultSet(MysqlIO.java:451) at com.mysql.jdbc.MysqlIO.readResultsForQueryOrUpdate(MysqlIO.java:2076) at com.mysql.jdbc.MysqlIO.readAllResults(MysqlIO.java:1451) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1787) at com.mysql.jdbc.Connection.execSQL(Connection.java:3277) at com.mysql.jdbc.Connection.execSQL(Connection.java:3206) at com.mysql.jdbc.Statement.executeQuery(Statement.java:1232) at oracle.dbtools.migration.datamove.online.DataMoveDrone.doDataMove(DataMoveDrone.java:359) at oracle.dbtools.migration.datamove.online.DataMoveDrone.run(DataMoveDrone.java:230) at java.lang.Thread.run(Thread.java:595) ** END NESTED EXCEPTION ** Last packet sent to the server was 88935 ms ago. STACKTRACE: com.mysql.jdbc.CommunicationsException: Communications link failure due to underlying exception: ** BEGIN NESTED EXCEPTION ** java.io.EOFException MESSAGE: Can not read response from server. Expected to read 23,493 bytes, read 9,268 bytes before connection was unexpectedly lost. STACKTRACE: java.io.EOFException: Can not read response from server. Expected to read 23,493 bytes, read 9,268 bytes before connection was unexpectedly lost. at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:1997) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:2464) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:2916) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:885) at com.mysql.jdbc.MysqlIO.nextRow(MysqlIO.java:1360) at com.mysql.jdbc.MysqlIO.readSingleRowSet(MysqlIO.java:2369) at com.mysql.jdbc.MysqlIO.getResultSet(MysqlIO.java:451) at com.mysql.jdbc.MysqlIO.readResultsForQueryOrUpdate(MysqlIO.java:2076) at com.mysql.jdbc.MysqlIO.readAllResults(MysqlIO.java:1451) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1787) at com.mysql.jdbc.Connection.execSQL(Connection.java:3277) at com.mysql.jdbc.Connection.execSQL(Connection.java:3206) at com.mysql.jdbc.Statement.executeQuery(Statement.java:1232) at oracle.dbtools.migration.datamove.online.DataMoveDrone.doDataMove(DataMoveDrone.java:359) at oracle.dbtools.migration.datamove.online.DataMoveDrone.run(DataMoveDrone.java:230) at java.lang.Thread.run(Thread.java:595) ** END NESTED EXCEPTION ** Last packet sent to the server was 88935 ms ago. at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:2622) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:2916) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:885) at com.mysql.jdbc.MysqlIO.nextRow(MysqlIO.java:1360) at com.mysql.jdbc.MysqlIO.readSingleRowSet(MysqlIO.java:2369) at com.mysql.jdbc.MysqlIO.getResultSet(MysqlIO.java:451) at com.mysql.jdbc.MysqlIO.readResultsForQueryOrUpdate(MysqlIO.java:2076) at com.mysql.jdbc.MysqlIO.readAllResults(MysqlIO.java:1451) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1787) at com.mysql.jdbc.Connection.execSQL(Connection.java:3277) at com.mysql.jdbc.Connection.execSQL(Connection.java:3206) at com.mysql.jdbc.Statement.executeQuery(Statement.java:1232) at oracle.dbtools.migration.datamove.online.DataMoveDrone.doDataMove(DataMoveDrone.java:359) at oracle.dbtools.migration.datamove.online.DataMoveDrone.run(DataMoveDrone.java:230) at java.lang.Thread.run(Thread.java:595) ** END NESTED EXCEPTION **
Failed to get source row count. Proceeding with unknown (No operations allowed after connection closed.Connection was implicitly closed due to underlying exception/error: ** BEGIN NESTED EXCEPTION ** com.mysql.jdbc.CommunicationsException MESSAGE: Communications link failure due to underlying exception: ** BEGIN NESTED EXCEPTION ** java.io.EOFException MESSAGE: Can not read response from server. Expected to read 23,493 bytes, read 9,268 bytes before connection was unexpectedly lost. STACKTRACE: java.io.EOFException: Can not read response from server. Expected to read 23,493 bytes, read 9,268 bytes before connection was unexpectedly lost. at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:1997) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:2464) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:2916) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:885) at com.mysql.jdbc.MysqlIO.nextRow(MysqlIO.java:1360) at com.mysql.jdbc.MysqlIO.readSingleRowSet(MysqlIO.java:2369) at com.mysql.jdbc.MysqlIO.getResultSet(MysqlIO.java:451) at com.mysql.jdbc.MysqlIO.readResultsForQueryOrUpdate(MysqlIO.java:2076) at com.mysql.jdbc.MysqlIO.readAllResults(MysqlIO.java:1451) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1787) at com.mysql.jdbc.Connection.execSQL(Connection.java:3277) at com.mysql.jdbc.Connection.execSQL(Connection.java:3206) at com.mysql.jdbc.Statement.executeQuery(Statement.java:1232) at oracle.dbtools.migration.datamove.online.DataMoveDrone.doDataMove(DataMoveDrone.java:359) at oracle.dbtools.migration.datamove.online.DataMoveDrone.run(DataMoveDrone.java:230) at java.lang.Thread.run(Thread.java:595) ** END NESTED EXCEPTION ** Last packet sent to the server was 88935 ms ago. STACKTRACE: com.mysql.jdbc.CommunicationsException: Communications link failure due to underlying exception: ** BEGIN NESTED EXCEPTION ** java.io.EOFException MESSAGE: Can not read response from server. Expected to read 23,493 bytes, read 9,268 bytes before connection was unexpectedly lost. STACKTRACE: java.io.EOFException: Can not read response from server. Expected to read 23,493 bytes, read 9,268 bytes before connection was unexpectedly lost. at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:1997) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:2464) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:2916) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:885) at com.mysql.jdbc.MysqlIO.nextRow(MysqlIO.java:1360) at com.mysql.jdbc.MysqlIO.readSingleRowSet(MysqlIO.java:2369) at com.mysql.jdbc.MysqlIO.getResultSet(MysqlIO.java:451) at com.mysql.jdbc.MysqlIO.readResultsForQueryOrUpdate(MysqlIO.java:2076) at com.mysql.jdbc.MysqlIO.readAllResults(MysqlIO.java:1451) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1787) at com.mysql.jdbc.Connection.execSQL(Connection.java:3277) at com.mysql.jdbc.Connection.execSQL(Connection.java:3206) at com.mysql.jdbc.Statement.executeQuery(Statement.java:1232) at oracle.dbtools.migration.datamove.online.DataMoveDrone.doDataMove(DataMoveDrone.java:359) at oracle.dbtools.migration.datamove.online.DataMoveDrone.run(DataMoveDrone.java:230) at java.lang.Thread.run(Thread.java:595) ** END NESTED EXCEPTION ** Last packet sent to the server was 88935 ms ago. at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:2622) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:2916) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:885) at com.mysql.jdbc.MysqlIO.nextRow(MysqlIO.java:1360) at com.mysql.jdbc.MysqlIO.readSingleRowSet(MysqlIO.java:2369) at com.mysql.jdbc.MysqlIO.getResultSet(MysqlIO.java:451) at com.mysql.jdbc.MysqlIO.readResultsForQueryOrUpdate(MysqlIO.java:2076) at com.mysql.jdbc.MysqlIO.readAllResults(MysqlIO.java:1451) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1787) at com.mysql.jdbc.Connection.execSQL(Connection.java:3277) at com.mysql.jdbc.Connection.execSQL(Connection.java:3206) at com.mysql.jdbc.Statement.executeQuery(Statement.java:1232) at oracle.dbtools.migration.datamove.online.DataMoveDrone.doDataMove(DataMoveDrone.java:359) at oracle.dbtools.migration.datamove.online.DataMoveDrone.run(DataMoveDrone.java:230) at java.lang.Thread.run(Thread.java:595) ** END NESTED EXCEPTION ** )
== 2nd Stack Trace received further down in the logs before the process bombs out altogether from the lack of response from the MySQL database ==
Failed to move data: Communications link failure due to underlying exception: ** BEGIN NESTED EXCEPTION ** java.io.EOFException MESSAGE: Can not read response from server. Expected to read 23,493 bytes, read 9,268 bytes before connection was unexpectedly lost. STACKTRACE: java.io.EOFException: Can not read response from server. Expected to read 23,493 bytes, read 9,268 bytes before connection was unexpectedly lost. at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:1997) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:2464) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:2916) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:885) at com.mysql.jdbc.MysqlIO.nextRow(MysqlIO.java:1360) at com.mysql.jdbc.MysqlIO.readSingleRowSet(MysqlIO.java:2369) at com.mysql.jdbc.MysqlIO.getResultSet(MysqlIO.java:451) at com.mysql.jdbc.MysqlIO.readResultsForQueryOrUpdate(MysqlIO.java:2076) at com.mysql.jdbc.MysqlIO.readAllResults(MysqlIO.java:1451) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1787) at com.mysql.jdbc.Connection.execSQL(Connection.java:3277) at com.mysql.jdbc.Connection.execSQL(Connection.java:3206) at com.mysql.jdbc.Statement.executeQuery(Statement.java:1232) at oracle.dbtools.migration.datamove.online.DataMoveDrone.doDataMove(DataMoveDrone.java:359) at oracle.dbtools.migration.datamove.online.DataMoveDrone.run(DataMoveDrone.java:230) at java.lang.Thread.run(Thread.java:595) ** END NESTED EXCEPTION ** Last packet sent to the server was 88935 ms ago.
Thanking you in advance.
Kindest regards,
Harry -
[b] Populating List Box from MySQL Database[/b]
Hi all,
I'm trying to populate a JComboBox from MySQL database, I Have an applet which send's the query to a server through sockets on the localhost, but when i try to retrieve the result set from the MySQL database, i get an index out of bounds exception, It's probably something simple, any help regarding the above problem!! I've included the code below!!
Cheers
Dave
java.lang.ArrayIndexOutOfBoundsException: 1
at dbWrapper1.Select(dbWrapper1.java:97)
at TestUpdateDB.main(TestUpdateDB.java:29)
Applet Code:
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.sql.*;
import java.util.*;
import java.io.*;
import java.net.*;
* @version 04/18/05
* @author David Lawless
public class cust extends JApplet implements ActionListener
//Declare Labels for Form
private JLabel titleLabel;
private JLabel firstNameLabel;
private JLabel lastNameLabel;
private JLabel addressLabel;
private JLabel countyLabel;
private JLabel countryLabel;
//Declare Input fields for user
private JTextField firstNameText;
private JTextField lastNameText;
private JTextField addressLineOneText;
private JTextField addressLineTwoText;
private JTextField addressLineThreeText;
//Declare list for title box
private JComboBox titleList;
private String[] title = {"Mr.","Mrs.","Miss","Ms","Dr."};
//Declare list for county box
private JComboBox countyList;
//Called when this applet is loaded into the browser.
public void init()
lookAndFeel();
//Initialise Labels
firstNameLabel = new JLabel("First Name * ");
lastNameLabel = new JLabel("Last Name * ");
titleLabel = new JLabel("Title * ");
addressLabel = new JLabel("Address *");
countyLabel = new JLabel("County *");
countryLabel = new JLabel("Country *");
//Initialise title List
titleList = new JComboBox( title );
titleList.setActionCommand("Title");
//Set up Text fields
firstNameText = new JTextField(30);
firstNameText.setToolTipText("Please enter your first name here");
lastNameText = new JTextField(30);
lastNameText.setToolTipText("Please enter your surname here");
addressLineOneText = new JTextField(30);
addressLineTwoText = new JTextField(30);
addressLineThreeText = new JTextField(30);
//Retrieve County List From Database
//countyList = new JComboBox( counties );
try
try
Socket mySocket = new Socket ("127.0.0.1", 1983 );
ObjectOutputStream out = new ObjectOutputStream(mySocket.getOutputStream());
String entry1 ="SELECT county FROM data";
out.writeObject(new String(entry1));
ObjectInputStream in = new ObjectInputStream(mySocket.getInputStream());
int size = in.readInt();
Object [] results = new Object[size];
for (int i=0; i < size ; i++ )
results[i] = in.readObject();
countyList = new JComboBox( results );
countyList.setActionCommand("County");
mySocket.close ();
catch (Exception exp)
exp.printStackTrace();
// detect problems interacting with the database
catch ( Exception sqlException )
System.exit( 1 );
//set up command buttons
submitButton = new JButton("Submit");
submitButton.setToolTipText("Click here to submit your details ");
submitButton.addActionListener(this);
cancelButton = new JButton("Cancel");
cancelButton.setToolTipText("Click here to cancel order");
cancelButton.addActionListener(this);
Container topLevelContainer = getContentPane();
getContentPane().setBackground(Color.blue);
//Create Layout
JPanel contentPane = new JPanel();
//Set transparent background instead of blue
contentPane.setBackground(Color.white);
contentPane.setLayout(null);
contentPane.setOpaque(true);
titleLabel.setBounds(37,10,75,20);
contentPane.add(titleLabel);
firstNameLabel.setBounds(93,10,100,20);
contentPane.add(firstNameLabel);
lastNameLabel.setBounds(198,10,100,20);
contentPane.add(lastNameLabel);
titleList.setBounds(37,35,50,20);
contentPane.add(titleList);
firstNameText.setBounds(93,35,100,20);
contentPane.add(firstNameText);
lastNameText.setBounds(198,35,100,20);
contentPane.add(lastNameText);
addressLabel.setBounds(37,65,100,20);
contentPane.add(addressLabel);
addressLineOneText.setBounds(37,90,125,20);
contentPane.add(addressLineOneText);
addressLineTwoText.setBounds(37,115,125,20);
contentPane.add(addressLineTwoText);
addressLineThreeText.setBounds(37,140,125,20);
contentPane.add(addressLineThreeText);
countyLabel.setBounds(37,165,100,20);
contentPane.add(countyLabel);
countyList.setBounds(37,190,100,20);
contentPane.add(countyList);
submitButton.setBounds(60,250,100,20);
contentPane.add(submitButton);
cancelButton.setBounds(180,250,100,20);
contentPane.add(cancelButton);
topLevelContainer.add(contentPane);
}//End init()
static void lookAndFeel()
try
UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
catch(Exception e)
}//End look and feel method
public synchronized void actionPerformed(ActionEvent e)
String actionCommand = e.getActionCommand();
if (e.getSource() instanceof JButton)
if (actionCommand.equals("Cancel"))
int returnVal = JOptionPane.showConfirmDialog(null,
"Are you sure you want cancel and discard your order?",
"Cancel Order", JOptionPane.YES_NO_OPTION);
if(returnVal == JOptionPane.YES_OPTION)
System.exit(0);
if (actionCommand.equals("Submit"))
firstName = firstNameText.getText();
Surname = lastNameText.getText();
}//end action command for submit button
}//end method actionperformed
}//End class customerDatabase Connection Code:
import java.sql.*;
import java.util.*;
class dbWrapper1
private Statement statement;
private Connection connection;
private String strUserName;
private String strPassword;
Object [] results = null;
static final String JDBC_DRIVER = "com.mysql.jdbc.Driver";
static final String DATABASE_URL = "jdbc:mysql://localhost:3306/ecommerce";
public dbWrapper1()
// the DSN for the Db connection
strUserName = "root";
strPassword = "password";
public void Open()
try
// Load the jdbc-odbc bridge driver
Class.forName ( JDBC_DRIVER );
// ***** TESTING PURPOSES *****
//Check currently loaded drivers
System.out.println("Currently loaded drivers...");
for
Enumeration enum1 = DriverManager.getDrivers() ;
enum1.hasMoreElements();
System.out.println(enum1.nextElement().getClass().getName());
// Attempt to connect to a driver.
connection = DriverManager.getConnection ( DATABASE_URL, strUserName, strPassword );
// Create a Statement object so we can submit
// SQL statements to the driver
statement = connection.createStatement();
catch (SQLException ex)
while (ex != null)
System.out.println ("SQL Exception: " + ex.getMessage () );
ex = ex.getNextException ();
catch (java.lang.Exception ex)
ex.printStackTrace ();
public void Update( String strUpdate )
try
// Submit an update or create
statement.executeUpdate( strUpdate );
catch (SQLException ex)
while (ex != null)
System.out.println ("SQL Exception: " + ex.getMessage () );
ex = ex.getNextException ();
public Object[] Select( String strQuery )
try
// Submit a query, creating a ResultSet object
ResultSet resultSet = statement.executeQuery( strQuery );
// process query results
ResultSetMetaData metaData = resultSet.getMetaData();
int numberOfColumns = metaData.getColumnCount();
results = new Object[numberOfColumns];
while ( resultSet.next() )
for ( int i = 1; i <= numberOfColumns; i++ )
results[i] = resultSet.getObject(i);
System.out.print(resultSet.getString(i) + " | " );
System.out.println();
resultSet.close();
catch (SQLException ex)
while (ex != null)
System.out.println ("SQL Exception: " + ex.getMessage () );
ex = ex.getNextException ();
for (int i=0;i<results.length ;i++ )
System.out.println(results);
return results;
public void Close()
try
statement.close();
connection.close();
catch (SQLException ex)
while (ex != null)
System.out.println ("SQL Exception: " + ex.getMessage () );
ex = ex.getNextException ();
Server Code:
import java.io.*;
import java.net.*;
public class TestUpdateDB
public static void main(String[] args)
System.out.println ( "Server is active" );
try {
ServerSocket sock = new ServerSocket ( 1983 );
while ( true )
try
Socket mySock = sock.accept();
ObjectInputStream iStream = new ObjectInputStream(mySock.getInputStream());
ObjectOutputStream oStream = new ObjectOutputStream(mySock.getOutputStream());
Object temp = iStream.readObject();
String entry = (String)temp;
System.out.println ( entry );
dbWrapper1 myDB = new dbWrapper1();
myDB.Open();
Object [] query = myDB.Select(entry);
int size = query.length;
oStream.writeInt(size);
for (int i=1 ; i <= query.length ; i++)
oStream.writeObject( query );
myDB.Close();
catch ( Exception exp )
exp.printStackTrace ();
catch ( Exception exp ) {
exp.printStackTrace();Sir,
The exception is probably in here.
for ( int i = 1; i <= numberOfColumns; i++ ){
results[i] = resultSet.getObject(i);
System.out.print(resultSet.getString(i) + " | " );
}ResultSet counting begins with 1 but array indexing begins with 0 your code should look more like.
for ( int i = 0; i <= numberOfColumns; i++ ){
results[i] = resultSet.getObject(i+1);
System.out.print(resultSet.getString(i+1) + " | " );
}Sincerely,
Slappy -
Uploading data in the table from mysql db, any help is welcome
Hi, I have made a table with two columns, "Name" and "ID". Those are binded to contexts NameCtx and IDCtx. There are ten rows in table. What I need to do is upload Names and IDs from mysql database and fill those rows from 1 to 10 and I dont have much idea how to do this. Any tutorial, blog or your piece of code or tips will be most welcome. Regards, Balmer
Hi,
To access the My SQL db pl refer this thread
writing data form Webdyn Pro inputfield into MySQL db
Once the connection is done
Create a statement
Exeecute the sql statement
Iterate the resultset
populate the context
try{
Connection conn;
Class.forName("com.sap.dbtech.jdbc.DriverSapDB");
String urlConn = "jdbc:sapdb://localhost/maxdb1"; //replace localhost and the maxdb1 with your server name and database.
String username = "userID";
String password = "password";
conn = DriverManager.getConnection(urlConn, username, password);
System.out.println("connected to DB...");
//Change the select statement to that of yours
Statement stmt = conn.createStatement();
stmt.execute("select name,id from table1");
//Result set
ResultSet resultSet = stmt.getResultSet();
//Iterate to populate the context that is bound to the table.
while (resultSet.next())
//Change the element and node name to that of yours
IOrdersElement ordersElement = wdContext.nodeOrders().createAndAddOrdersElement();
ordersElement.setNameCtx(resultSet.getString(1));
ordersElement.setIDCtx(resultSet.getString(2));
}catch(Exception e)
//handle the exception
Regards
Ayyapparaj -
Problem while opening data from mysql in Excel
Hi friends
when i try to download data from MySQL to excel sheet I am getting error of
This file is not in a recognizable format.
. If you know the file is from another program which is incompatible with Microsoft Office Excel,click Cancel then open this file in its original application.If you want to open the file later in Microsoft Office Excel,save it in a format that is compatible,such as text format.
etc
Code is
Class.forName("org.gjt.mm.mysql.Driver");
Connection conn = DriverManager.getConnection("xxxxxx");
Statement st = conn.createStatement();
StringBuffer sb = new StringBuffer();
sb.append("SAP#" + "\t");
sb.append("x-plant status" + "\t");
sb.append("Total Amount" +"\t");
sb.append(">90 days" + "\t");
sb.append("\n");
try
String query="select * from temp_Xplant";
ResultSet rs = st.executeQuery(query);
while(rs.next()){
sb.append(rs.getString("sapNo") + "\t");
sb.append(rs.getString("status")+ "\t");
sb.append(rs.getString("amt") + "\t");
sb.append(rs.getString("days") + "\t");
sb.append("\n");
conn.close();
st.close();
catch (Exception e)
out.println("error");
conn.close();
st.close();
response.setContentType("application/vnd.ms-excel");
response.setHeader("Content-Disposition", "attachment; filename=\"test.XLS\"");
I can open them after clicking OK, but before that it is showing the above error message
Thank you
Edited by: priyap on Apr 3, 2008 4:54 AMhi,
there are some specific restrictions in downloading data in alv.
i.e you cannot have morethan 1024 characters that can be downloaded in single row.
so change your report columns accordingly. -
Hi,
When running the below query from sqlyog it works OK but when running from java I got exception.
What can cause this difference ?
The query :
create temporary table TempTable1 SELECT salaries.salary AS `salary`,salaries.emp_no AS `emp_no`,salaries.from_date AS `from_date`,MAX(salaries.salary) AS `func` FROM `salaries` WHERE salaries.to_date = '9999-01-01'
The exception:
com.mysql.jdbc.exceptions.MySQLIntegrityConstraintViolationException: Column 'salary' cannot be null
ThanksBelow is the code.
When run from sqlyog is works OK.
Thanks
The code :
package client;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.Statement;
public class test {
* @param args
* @throws ClassNotFoundException
* @throws IllegalAccessException
* @throws InstantiationException
* @throws SQLException
public static void main(String[] args) throws InstantiationException,
IllegalAccessException, ClassNotFoundException, SQLException {
String username = "root";
String password = "";
Class.forName("com.mysql.jdbc.Driver").newInstance();
java.sql.Connection connection = DriverManager.getConnection(
"jdbc:mysql://localhost:3306/employees-thin", username,
password);
Statement statement = connection.createStatement();
statement
.execute("create temporary table TempTable1 SELECT salaries.salary AS `salary`,salaries.emp_no AS `emp_no`,salaries.from_date AS `from_date`,MAX(salaries.salary) AS `func` FROM `salaries` WHERE salaries.to_date = '9999-01-01'");
Exception in thread "main" com.mysql.jdbc.exceptions.MySQLIntegrityConstraintViolationException: Column 'salary' cannot be null
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:931) -
ClassCastException reading blobs from MySQL
Hi,
When reading a blob (byte array) field from mysql I get a ClassCastException
exception.
Both using mysql 3.3.56 or 4.0.12 with jdbc driver 2.0.14 or 3.0.7, I get
the same error.
The same code works fine using other (sql-server, oracle) databases.
Any ideas?
configuration:
kodo 2.4.3
jdk 1.4.1-02
jboss 3.0.4
windows 2000
2003-05-15 11:22:21,123 ERROR [STDERR] javax.jdo.JDOException:
java.lang.ClassCastException
NestedThrowables:
java.lang.ClassCastException
2003-05-15 11:22:21,123 ERROR [STDERR] at
com.solarmetric.kodo.runtime.StateManagerImpl.loadField(StateManagerImpl.jav
a:2043)
2003-05-15 11:22:21,123 ERROR [STDERR] at
com.solarmetric.kodo.runtime.StateManagerImpl.isLoaded(StateManagerImpl.java
:720)
2003-05-15 11:22:21,123 ERROR [STDERR] at
dk.pine.enactment.ActionInstance.jdoGetinputParamBytes(ActionInstance.java)
2003-05-15 11:22:21,123 ERROR [STDERR] at
dk.pine.enactment.ActionInstance.getInputParams(ActionInstance.java:215)
2003-05-15 11:22:21,123 ERROR [STDERR] at
dk.pine.enactment.ejb.TransientServiceManager.findAction(TransientServiceMan
ager.java:481)
2003-05-15 11:22:21,123 ERROR [STDERR] at
dk.pine.enactment.dispatch.DispatchMDB.onMessage(DispatchMDB.java:256)
2003-05-15 11:22:21,123 ERROR [STDERR] at
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
2003-05-15 11:22:21,123 ERROR [STDERR] at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39
2003-05-15 11:22:21,123 ERROR [STDERR] at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl
..java:25)
2003-05-15 11:22:21,133 ERROR [STDERR] at
java.lang.reflect.Method.invoke(Method.java:324)
2003-05-15 11:22:21,133 ERROR [STDERR] at
org.jboss.ejb.MessageDrivenContainer$ContainerInterceptor.invoke(MessageDriv
enContainer.java:391)
2003-05-15 11:22:21,133 ERROR [STDERR] at
org.jboss.resource.connectionmanager.CachedConnectionInterceptor.invoke(Cach
edConnectionInterceptor.java:186)
2003-05-15 11:22:21,133 ERROR [STDERR] at
org.jboss.ejb.plugins.MessageDrivenInstanceInterceptor.invoke(MessageDrivenI
nstanceInterceptor.java:88)
2003-05-15 11:22:21,133 ERROR [STDERR] at
org.jboss.ejb.plugins.AbstractTxInterceptor.invokeNext(AbstractTxInterceptor
..java:107)
2003-05-15 11:22:21,133 ERROR [STDERR] at
org.jboss.ejb.plugins.TxInterceptorCMT.runWithTransactions(TxInterceptorCMT.
java:237)
2003-05-15 11:22:21,133 ERROR [STDERR] at
org.jboss.ejb.plugins.TxInterceptorCMT.invoke(TxInterceptorCMT.java:98)
2003-05-15 11:22:21,133 ERROR [STDERR] at
org.jboss.ejb.plugins.RunAsSecurityInterceptor.invoke(RunAsSecurityIntercept
or.java:100)
2003-05-15 11:22:21,133 ERROR [STDERR] at
org.jboss.ejb.plugins.LogInterceptor.invoke(LogInterceptor.java:208)
2003-05-15 11:22:21,133 ERROR [STDERR] at
org.jboss.ejb.MessageDrivenContainer.invoke(MessageDrivenContainer.java:302)
2003-05-15 11:22:21,133 ERROR [STDERR] at
org.jboss.ejb.plugins.jms.JMSContainerInvoker.invoke(JMSContainerInvoker.jav
a:971)
2003-05-15 11:22:21,133 ERROR [STDERR] at
org.jboss.ejb.plugins.jms.JMSContainerInvoker$MessageListenerImpl.onMessage(
JMSContainerInvoker.java:1047)
2003-05-15 11:22:21,133 ERROR [STDERR] at
org.jboss.jms.asf.StdServerSession.onMessage(StdServerSession.java:243)
2003-05-15 11:22:21,133 ERROR [STDERR] at
org.jboss.mq.SpyMessageConsumer.sessionConsumerProcessMessage(SpyMessageCons
umer.java:637)
2003-05-15 11:22:21,133 ERROR [STDERR] at
org.jboss.mq.SpyMessageConsumer.addMessage(SpyMessageConsumer.java:443)
2003-05-15 11:22:21,133 ERROR [STDERR] at
org.jboss.mq.SpySession.run(SpySession.java:297)
2003-05-15 11:22:21,133 ERROR [STDERR] at
org.jboss.jms.asf.StdServerSession.run(StdServerSession.java:178)
2003-05-15 11:22:21,133 ERROR [STDERR] at
EDU.oswego.cs.dl.util.concurrent.PooledExecutor$Worker.run(PooledExecutor.ja
va:732)
2003-05-15 11:22:21,133 ERROR [STDERR] at
java.lang.Thread.run(Thread.java:536)
2003-05-15 11:22:21,133 ERROR [STDERR] NestedThrowablesStackTrace:
2003-05-15 11:22:21,133 ERROR [STDERR] java.lang.ClassCastException
2003-05-15 11:22:21,133 ERROR [STDERR] at
dk.pine.enactment.ActionInstance.jdoReplaceField(ActionInstance.java)
2003-05-15 11:22:21,133 ERROR [STDERR] at
com.solarmetric.kodo.runtime.StateManagerImpl.replaceField(StateManagerImpl.
java:2157)
2003-05-15 11:22:21,133 ERROR [STDERR] at
com.solarmetric.kodo.runtime.StateManagerImpl.storeObjectField(StateManagerI
mpl.java:1617)
2003-05-15 11:22:21,133 ERROR [STDERR] at
com.solarmetric.kodo.impl.jdbc.ormapping.LobMapping.load(LobMapping.java:75)
2003-05-15 11:22:21,143 ERROR [STDERR] at
com.solarmetric.kodo.impl.jdbc.runtime.JDBCStoreManager.load(JDBCStoreManage
r.java:375)
2003-05-15 11:22:21,143 ERROR [STDERR] at
com.solarmetric.kodo.runtime.StateManagerImpl.loadField(StateManagerImpl.jav
a:2035)
2003-05-15 11:22:21,143 ERROR [STDERR] at
com.solarmetric.kodo.runtime.StateManagerImpl.isLoaded(StateManagerImpl.java
:720)
2003-05-15 11:22:21,143 ERROR [STDERR] at
dk.pine.enactment.ActionInstance.jdoGetinputParamBytes(ActionInstance.java)
2003-05-15 11:22:21,143 ERROR [STDERR] at
dk.pine.enactment.ActionInstance.getInputParams(ActionInstance.java:215)
2003-05-15 11:22:21,143 ERROR [STDERR] at
dk.pine.enactment.ejb.TransientServiceManager.findAction(TransientServiceMan
ager.java:481)
2003-05-15 11:22:21,143 ERROR [STDERR] at
dk.pine.enactment.dispatch.DispatchMDB.onMessage(DispatchMDB.java:256)
2003-05-15 11:22:21,143 ERROR [STDERR] at
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
2003-05-15 11:22:21,143 ERROR [STDERR] at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39
2003-05-15 11:22:21,143 ERROR [STDERR] at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl
..java:25)
2003-05-15 11:22:21,143 ERROR [STDERR] at
java.lang.reflect.Method.invoke(Method.java:324)
2003-05-15 11:22:21,143 ERROR [STDERR] at
org.jboss.ejb.MessageDrivenContainer$ContainerInterceptor.invoke(MessageDriv
enContainer.java:391)
2003-05-15 11:22:21,143 ERROR [STDERR] at
org.jboss.resource.connectionmanager.CachedConnectionInterceptor.invoke(Cach
edConnectionInterceptor.java:186)
2003-05-15 11:22:21,143 ERROR [STDERR] at
org.jboss.ejb.plugins.MessageDrivenInstanceInterceptor.invoke(MessageDrivenI
nstanceInterceptor.java:88)
2003-05-15 11:22:21,143 ERROR [STDERR] at
org.jboss.ejb.plugins.AbstractTxInterceptor.invokeNext(AbstractTxInterceptor
..java:107)
2003-05-15 11:22:21,143 ERROR [STDERR] at
org.jboss.ejb.plugins.TxInterceptorCMT.runWithTransactions(TxInterceptorCMT.
java:237)
2003-05-15 11:22:21,143 ERROR [STDERR] at
org.jboss.ejb.plugins.TxInterceptorCMT.invoke(TxInterceptorCMT.java:98)
2003-05-15 11:22:21,143 ERROR [STDERR] at
org.jboss.ejb.plugins.RunAsSecurityInterceptor.invoke(RunAsSecurityIntercept
or.java:100)
2003-05-15 11:22:21,143 ERROR [STDERR] at
org.jboss.ejb.plugins.LogInterceptor.invoke(LogInterceptor.java:208)
2003-05-15 11:22:21,143 ERROR [STDERR] at
org.jboss.ejb.MessageDrivenContainer.invoke(MessageDrivenContainer.java:302)
2003-05-15 11:22:21,143 ERROR [STDERR] at
org.jboss.ejb.plugins.jms.JMSContainerInvoker.invoke(JMSContainerInvoker.jav
a:971)
2003-05-15 11:22:21,143 ERROR [STDERR] at
org.jboss.ejb.plugins.jms.JMSContainerInvoker$MessageListenerImpl.onMessage(
JMSContainerInvoker.java:1047)
2003-05-15 11:22:21,143 ERROR [STDERR] at
org.jboss.jms.asf.StdServerSession.onMessage(StdServerSession.java:243)
2003-05-15 11:22:21,143 ERROR [STDERR] at
org.jboss.mq.SpyMessageConsumer.sessionConsumerProcessMessage(SpyMessageCons
umer.java:637)
2003-05-15 11:22:21,143 ERROR [STDERR] at
org.jboss.mq.SpyMessageConsumer.addMessage(SpyMessageConsumer.java:443)
2003-05-15 11:22:21,143 ERROR [STDERR] at
org.jboss.mq.SpySession.run(SpySession.java:297)
2003-05-15 11:22:21,143 ERROR [STDERR] at
org.jboss.jms.asf.StdServerSession.run(StdServerSession.java:178)
2003-05-15 11:22:21,143 ERROR [STDERR] at
EDU.oswego.cs.dl.util.concurrent.PooledExecutor$Worker.run(PooledExecutor.ja
va:732)
2003-05-15 11:22:21,143 ERROR [STDERR] at
java.lang.Thread.run(Thread.java:536)Jesper-
Strange. What is the type of the field? Is it a byte array? There are
some special workarounds in the MySQLDictionary class to get around bugs
in the MySQL JDBC driver, that might be conflicting with your field
type.
In article <[email protected]>, Jesper Ladegaard wrote:
Hi,
When reading a blob (byte array) field from mysql I get a ClassCastException
exception.
Both using mysql 3.3.56 or 4.0.12 with jdbc driver 2.0.14 or 3.0.7, I get
the same error.
The same code works fine using other (sql-server, oracle) databases.
Any ideas?
configuration:
kodo 2.4.3
jdk 1.4.1-02
jboss 3.0.4
windows 2000
2003-05-15 11:22:21,123 ERROR [STDERR] javax.jdo.JDOException:
java.lang.ClassCastException
NestedThrowables:
java.lang.ClassCastException
2003-05-15 11:22:21,123 ERROR [STDERR] at
com.solarmetric.kodo.runtime.StateManagerImpl.loadField(StateManagerImpl.jav
a:2043)
2003-05-15 11:22:21,123 ERROR [STDERR] at
com.solarmetric.kodo.runtime.StateManagerImpl.isLoaded(StateManagerImpl.java
:720)
2003-05-15 11:22:21,123 ERROR [STDERR] at
dk.pine.enactment.ActionInstance.jdoGetinputParamBytes(ActionInstance.java)
2003-05-15 11:22:21,123 ERROR [STDERR] at
dk.pine.enactment.ActionInstance.getInputParams(ActionInstance.java:215)
2003-05-15 11:22:21,123 ERROR [STDERR] at
dk.pine.enactment.ejb.TransientServiceManager.findAction(TransientServiceMan
ager.java:481)
2003-05-15 11:22:21,123 ERROR [STDERR] at
dk.pine.enactment.dispatch.DispatchMDB.onMessage(DispatchMDB.java:256)
2003-05-15 11:22:21,123 ERROR [STDERR] at
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
2003-05-15 11:22:21,123 ERROR [STDERR] at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39
2003-05-15 11:22:21,123 ERROR [STDERR] at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl
.java:25)
2003-05-15 11:22:21,133 ERROR [STDERR] at
java.lang.reflect.Method.invoke(Method.java:324)
2003-05-15 11:22:21,133 ERROR [STDERR] at
org.jboss.ejb.MessageDrivenContainer$ContainerInterceptor.invoke(MessageDriv
enContainer.java:391)
2003-05-15 11:22:21,133 ERROR [STDERR] at
org.jboss.resource.connectionmanager.CachedConnectionInterceptor.invoke(Cach
edConnectionInterceptor.java:186)
2003-05-15 11:22:21,133 ERROR [STDERR] at
org.jboss.ejb.plugins.MessageDrivenInstanceInterceptor.invoke(MessageDrivenI
nstanceInterceptor.java:88)
2003-05-15 11:22:21,133 ERROR [STDERR] at
org.jboss.ejb.plugins.AbstractTxInterceptor.invokeNext(AbstractTxInterceptor
.java:107)
2003-05-15 11:22:21,133 ERROR [STDERR] at
org.jboss.ejb.plugins.TxInterceptorCMT.runWithTransactions(TxInterceptorCMT.
java:237)
2003-05-15 11:22:21,133 ERROR [STDERR] at
org.jboss.ejb.plugins.TxInterceptorCMT.invoke(TxInterceptorCMT.java:98)
2003-05-15 11:22:21,133 ERROR [STDERR] at
org.jboss.ejb.plugins.RunAsSecurityInterceptor.invoke(RunAsSecurityIntercept
or.java:100)
2003-05-15 11:22:21,133 ERROR [STDERR] at
org.jboss.ejb.plugins.LogInterceptor.invoke(LogInterceptor.java:208)
2003-05-15 11:22:21,133 ERROR [STDERR] at
org.jboss.ejb.MessageDrivenContainer.invoke(MessageDrivenContainer.java:302)
2003-05-15 11:22:21,133 ERROR [STDERR] at
org.jboss.ejb.plugins.jms.JMSContainerInvoker.invoke(JMSContainerInvoker.jav
a:971)
2003-05-15 11:22:21,133 ERROR [STDERR] at
org.jboss.ejb.plugins.jms.JMSContainerInvoker$MessageListenerImpl.onMessage(
JMSContainerInvoker.java:1047)
2003-05-15 11:22:21,133 ERROR [STDERR] at
org.jboss.jms.asf.StdServerSession.onMessage(StdServerSession.java:243)
2003-05-15 11:22:21,133 ERROR [STDERR] at
org.jboss.mq.SpyMessageConsumer.sessionConsumerProcessMessage(SpyMessageCons
umer.java:637)
2003-05-15 11:22:21,133 ERROR [STDERR] at
org.jboss.mq.SpyMessageConsumer.addMessage(SpyMessageConsumer.java:443)
2003-05-15 11:22:21,133 ERROR [STDERR] at
org.jboss.mq.SpySession.run(SpySession.java:297)
2003-05-15 11:22:21,133 ERROR [STDERR] at
org.jboss.jms.asf.StdServerSession.run(StdServerSession.java:178)
2003-05-15 11:22:21,133 ERROR [STDERR] at
EDU.oswego.cs.dl.util.concurrent.PooledExecutor$Worker.run(PooledExecutor.ja
va:732)
2003-05-15 11:22:21,133 ERROR [STDERR] at
java.lang.Thread.run(Thread.java:536)
2003-05-15 11:22:21,133 ERROR [STDERR] NestedThrowablesStackTrace:
2003-05-15 11:22:21,133 ERROR [STDERR] java.lang.ClassCastException
2003-05-15 11:22:21,133 ERROR [STDERR] at
dk.pine.enactment.ActionInstance.jdoReplaceField(ActionInstance.java)
2003-05-15 11:22:21,133 ERROR [STDERR] at
com.solarmetric.kodo.runtime.StateManagerImpl.replaceField(StateManagerImpl.
java:2157)
2003-05-15 11:22:21,133 ERROR [STDERR] at
com.solarmetric.kodo.runtime.StateManagerImpl.storeObjectField(StateManagerI
mpl.java:1617)
2003-05-15 11:22:21,133 ERROR [STDERR] at
com.solarmetric.kodo.impl.jdbc.ormapping.LobMapping.load(LobMapping.java:75)
2003-05-15 11:22:21,143 ERROR [STDERR] at
com.solarmetric.kodo.impl.jdbc.runtime.JDBCStoreManager.load(JDBCStoreManage
r.java:375)
2003-05-15 11:22:21,143 ERROR [STDERR] at
com.solarmetric.kodo.runtime.StateManagerImpl.loadField(StateManagerImpl.jav
a:2035)
2003-05-15 11:22:21,143 ERROR [STDERR] at
com.solarmetric.kodo.runtime.StateManagerImpl.isLoaded(StateManagerImpl.java
:720)
2003-05-15 11:22:21,143 ERROR [STDERR] at
dk.pine.enactment.ActionInstance.jdoGetinputParamBytes(ActionInstance.java)
2003-05-15 11:22:21,143 ERROR [STDERR] at
dk.pine.enactment.ActionInstance.getInputParams(ActionInstance.java:215)
2003-05-15 11:22:21,143 ERROR [STDERR] at
dk.pine.enactment.ejb.TransientServiceManager.findAction(TransientServiceMan
ager.java:481)
2003-05-15 11:22:21,143 ERROR [STDERR] at
dk.pine.enactment.dispatch.DispatchMDB.onMessage(DispatchMDB.java:256)
2003-05-15 11:22:21,143 ERROR [STDERR] at
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
2003-05-15 11:22:21,143 ERROR [STDERR] at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39
2003-05-15 11:22:21,143 ERROR [STDERR] at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl
.java:25)
2003-05-15 11:22:21,143 ERROR [STDERR] at
java.lang.reflect.Method.invoke(Method.java:324)
2003-05-15 11:22:21,143 ERROR [STDERR] at
org.jboss.ejb.MessageDrivenContainer$ContainerInterceptor.invoke(MessageDriv
enContainer.java:391)
2003-05-15 11:22:21,143 ERROR [STDERR] at
org.jboss.resource.connectionmanager.CachedConnectionInterceptor.invoke(Cach
edConnectionInterceptor.java:186)
2003-05-15 11:22:21,143 ERROR [STDERR] at
org.jboss.ejb.plugins.MessageDrivenInstanceInterceptor.invoke(MessageDrivenI
nstanceInterceptor.java:88)
2003-05-15 11:22:21,143 ERROR [STDERR] at
org.jboss.ejb.plugins.AbstractTxInterceptor.invokeNext(AbstractTxInterceptor
.java:107)
2003-05-15 11:22:21,143 ERROR [STDERR] at
org.jboss.ejb.plugins.TxInterceptorCMT.runWithTransactions(TxInterceptorCMT.
java:237)
2003-05-15 11:22:21,143 ERROR [STDERR] at
org.jboss.ejb.plugins.TxInterceptorCMT.invoke(TxInterceptorCMT.java:98)
2003-05-15 11:22:21,143 ERROR [STDERR] at
org.jboss.ejb.plugins.RunAsSecurityInterceptor.invoke(RunAsSecurityIntercept
or.java:100)
2003-05-15 11:22:21,143 ERROR [STDERR] at
org.jboss.ejb.plugins.LogInterceptor.invoke(LogInterceptor.java:208)
2003-05-15 11:22:21,143 ERROR [STDERR] at
org.jboss.ejb.MessageDrivenContainer.invoke(MessageDrivenContainer.java:302)
2003-05-15 11:22:21,143 ERROR [STDERR] at
org.jboss.ejb.plugins.jms.JMSContainerInvoker.invoke(JMSContainerInvoker.jav
a:971)
2003-05-15 11:22:21,143 ERROR [STDERR] at
org.jboss.ejb.plugins.jms.JMSContainerInvoker$MessageListenerImpl.onMessage(
JMSContainerInvoker.java:1047)
2003-05-15 11:22:21,143 ERROR [STDERR] at
org.jboss.jms.asf.StdServerSession.onMessage(StdServerSession.java:243)
2003-05-15 11:22:21,143 ERROR [STDERR] at
org.jboss.mq.SpyMessageConsumer.sessionConsumerProcessMessage(SpyMessageCons
umer.java:637)
2003-05-15 11:22:21,143 ERROR [STDERR] at
org.jboss.mq.SpyMessageConsumer.addMessage(SpyMessageConsumer.java:443)
2003-05-15 11:22:21,143 ERROR [STDERR] at
org.jboss.mq.SpySession.run(SpySession.java:297)
2003-05-15 11:22:21,143 ERROR [STDERR] at
org.jboss.jms.asf.StdServerSession.run(StdServerSession.java:178)
2003-05-15 11:22:21,143 ERROR [STDERR] at
EDU.oswego.cs.dl.util.concurrent.PooledExecutor$Worker.run(PooledExecutor.ja
va:732)
2003-05-15 11:22:21,143 ERROR [STDERR] at
java.lang.Thread.run(Thread.java:536)
Marc Prud'hommeaux [email protected]
SolarMetric Inc. http://www.solarmetric.com -
Unspecified Error (exception From Hresult: 0x80004005 (e_fail))
hello pleasehelp me resplsve Unspecified Error (exception From Hresult: 0x80004005 (e_fail))in visual studio 2013 premium
am tyring to open anew mysql profect and i get stack thereHey Okoth, for a solution to this you can use the solution posted on another
Forum thread by a Microsoft employee.
The solution is to fix your Visual Studio itself. Open the Visual Studio command line
(now the Windows command prompt) and then follow these steps,
Devenv.exe /SafeMode: Launches the IDE in safe mode loading minimal windows.
Devenv.exe /ResetSettings: Restores the IDE's default settings
Then it would use the default settings and you will be able to use it.
~!Firewall!~ -
Big tables from MySql to MSSql error Connection timeout
HI,
I have a big database around 46GB in Mysql format and I managed to convert all the database to MSsql except two tables, the biggest ones. When I try to migrate those 2 tables, one by one , after a while I get the error message "Connection timeout and
was disabled"
I encreased the timeout from SSMA option from 15 to 1440 and decreased the basc from 1000 to 500 and same thing, The tables have 52 mil rows and 110 milion rows with 1,5 GB and 6.5 GB.
What can I do to migrate them
Thank YouHi,
According to your description, we need to verify that if you have installed the latest version of
MySQL ODBC driver. If you have installed it, in order to make a shorter duration transaction and avoid the timeout, you can try to reduce the batch size to lower value such as 200 or 100 in
SSMA option. Also, as Raju’s post, you can try to use incremental data migration in SSMA to migrate lager tables, then check if it is successful.
In addition, you can use other methods to migrate big tables from MySQL to SQL Server. For example, you can copy the data directly from SQL Server using OpenQuery, and you could include WHERE clause to limit the rows. For more details, please review this
blog ：Migrate MySQL to Microsoft SQL Server. Or you can write queries for MySQL to export your data as csv, and then use the
BULK INSERT features of SQL Server to import the csv data.
Thanks
Lydia Zhang
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