Oracle XML SQL utility, error oracle.xml.sql.OracleXMLSQLException:....

Question

I am using Oracle XML SQL utility to generate some XML using CURSOR
operator.
Following is the query -
SELECT PROJECT.PROJ_CD,
PROJECT.PROJ_TITLE,
CURSOR(SELECT ISSUES.ISSUE_ID
FROM ISSUES
WHERE PROJECT.PROJ_ID = ISSUES.PROJ_ID )
as ISSUES_DATA
FROM PROJECT
WHERE PROJECT.PROJ_ID = 1
This query works fine when I create a direct connection using Oracle JDBC
thin driver. But when I execute same thing using a connection from a
Weblogic connection pool (which uses exactly the same Oracle JDBC thin
driver, classes12.zip), I get following error-
<?xml version = '1.0'?>
<ERROR>oracle.xml.sql.OracleXMLSQLException: cursorGetMetaData: this method
is not supported by OracleXMLDataSetGenJdbc' class. Please use
'OracleXMLDataSetExtJdbc' instead.</ERROR>
Following are the details about my environment:
Weblogic5.1 on Windows NT 4.0
Oracle 8.1.5 on Sun Solaris
Oracle JDBC thin Classes12.zip (from Oracle 8.1.6)
Oracle XML SQL utility XSU12_ver1_2_1
Does anyone have any idea what is going on. Please help.
Thanks.

Answer 1

Thanks for your reply.
Here is what I am doing:
I have connection pool defined in welogic.properties file
weblogic.jdbc.connectionPool.oraclePool=\
url=jdbc:oracle:thin:@192.168.2.251:1521:orcl,\
driver=oracle.jdbc.driver.OracleDriver,\
loginDelaySecs=1,\
initialCapacity=1,\
maxCapacity=15,\
capacityIncrement=1,\
allowShrinking=true,\
shrinkPeriodMins=5,\
refreshMinutes=5,\
testTable=,\
props=user=someuser;password=somepasswd
weblogic.allow.reserve.weblogic.jdbc.connectionPool.oraclePool=everyone
weblogic.jdbc.TXDataSource.orclDataSource=oraclePool
Then I have a DBConnection class which gets connection from the pool
following is some code from DBConnection class
private Connection con = null;
private DataSource ds = null;
private String providerURL;
private String dataSource;
private String contextFactory;
private IpmsProps ipmsProp = null;
public Connection getConnection() {
if ( con == null ) {
try {
ipmsProp = IpmsProps.getInstance();
providerURL = ipmsProp.getProviderURL();
dataSource = ipmsProp.getDataSource();
contextFactory = ipmsProp.getContextFactory();
Properties p = new Properties();
p.put(javax.naming.Context.PROVIDER_URL, providerURL);
p.put(javax.naming.Context.INITIAL_CONTEXT_FACTORY,
contextFactory);
Context ctx = new InitialContext(p);
Context ctx = new InitialContext();
ds = (DataSource) ctx.lookup(dataSource);
con = ds.getConnection();
} catch (Exception e) {
System.out.println("Error While creating connection! " +
e.toString());
} // catch
I Hope you will be able to provide me some work around.
Thank you very much for the help.
Rajinder.
"Joseph Weinstein" <[email protected]> wrote in message
news:[email protected]...
Hi. It's probably because you're calling some Oracle-specific method,passing it
a pool JDBC object, and though the Oracle methos signature says it will
take a generic java.sql.XXX object, it really is going to assume the thingis
an Oracle class, and fails when it tries to cast it to such.
Depending on how you're getting your pool connection, I may have aworkaround.
Joe
Rajinder Arora wrote:
I am using Oracle XML SQL utility to generate some XML using CURSOR
operator.
Following is the query -
SELECT PROJECT.PROJ_CD,
PROJECT.PROJ_TITLE,
CURSOR(SELECT ISSUES.ISSUE_ID
FROM ISSUES
WHERE PROJECT.PROJ_ID =
ISSUES.PROJ_ID )
as ISSUES_DATA
FROM PROJECT
WHERE PROJECT.PROJ_ID = 1
This query works fine when I create a direct connection using OracleJDBC
thin driver. But when I execute same thing using a connection from a
Weblogic connection pool (which uses exactly the same Oracle JDBC thin
driver, classes12.zip), I get following error-
<?xml version = '1.0'?>
<ERROR>oracle.xml.sql.OracleXMLSQLException: cursorGetMetaData: thismethod
is not supported by OracleXMLDataSetGenJdbc' class. Please use
'OracleXMLDataSetExtJdbc' instead.</ERROR>
Following are the details about my environment:
Weblogic5.1 on Windows NT 4.0
Oracle 8.1.5 on Sun Solaris
Oracle JDBC thin Classes12.zip (from Oracle 8.1.6)
Oracle XML SQL utility XSU12_ver1_2_1
Does anyone have any idea what is going on. Please help.
Thanks.--
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