Exeption - trying to write to file, using CSVWriter.

I have got the following exception:
Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException
at application.utils.GestureGuideLogger.logExcel(GestureGuideLogger.java
:238)
the row code is:
238: writerExcel.writeNext(new String[]{buffer.toString()});
same happens, if I write instead:
writerExcel.writeNext(messageExcel);
//messageExcel is "String[]" as well.
What is wrong?
Thanks!

What is wrong?Well, you get a NullPointerException. That means only one thing: you try to call a method on an object reference that is null.
Check the line, there are two objects that can be null at that point.
- writerExcel
- buffer
I'm betting that buffer contains null.

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hi,
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>
i am having a submit button in my procedure. which should in turn create .sql file in a file path.
is there any way to create a file using htp and htf methods.
>
Why are you wasting your time coding from scratch using the PL/SQL Web Toolkit instead of the APEX framework?
From Re: how to write a file using mod pl/sql it appears that you are not using APEX, so a number of the approaches APEX offers are not relevant. You appear to be looking for a file download solution using the <tt>wpg_docload.download_file</tt> method, such as:
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Beginner question - Can't read nor write a file using NetBean...

Hi ,
I'm a beginner java programmer, I got trouble when it comes to read or write a file program..
I tried 3 programs and all of them can't read the file I want to read, eventhought I have put the txt file in the same folder with my source code.
here is the source code I got from some site
import java.io.*;
class FileReadTest {
public static void main (String[] args) {
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f.readMyFile();
void readMyFile() {
DataInputStream dis = null;
String record = null;
int recCount = 0;
try {
File f = new File("mydata.txt");
FileInputStream fis = new FileInputStream(f);
BufferedInputStream bis = new BufferedInputStream(fis);
dis = new DataInputStream(bis);
while ( (record=dis.readLine()) != null ) {
recCount++;
System.out.println(recCount + ": " + record);
} catch (IOException e) {
// catch io errors from FileInputStream or readLine()
System.out.println("Uh oh, got an IOException error! " + e.getMessage());
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if (dis != null) {
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I also have tried another from book , both of them give the same result, can't read the file...
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To start with use the full path to the file
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Then check to make sure you fiel exists e.g. System.out.println("File exists = " + f.exists());
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When I try to write my DOM tree to an XML file a get the following exception form the transformer.transform() function call:
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at com.sun.org.apache.xalan.internal.xsltc.trax.DOM2TO.setDocumentInfo(DOM2TO.java:373)
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at CentMon.ConfigRW.writeConfig(ConfigRW.java:77)
The whole thing worked for 2 years. I did not change anything on the code. the only difference is that i have now office 2007 installed instead of office 2003.
That's the code which generates the exception:
import java.io.File;
import java.io.IOException;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerConfigurationException;
import javax.xml.transform.TransformerException;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;
import org.w3c.dom.Document;
import org.xml.sax.SAXException;
public void writeConfig(Document doc){
TransformerFactory tFactory =
TransformerFactory.newInstance();
Transformer transformer;
if (doc==null){
System.out.println("Document is null");
else{
try {
transformer = tFactory.newTransformer();
} catch (TransformerConfigurationException e) {
transformer = null;
System.out.println(e.getMessage());
DOMSource source = new DOMSource(doc);
StreamResult result = new StreamResult(new File(filename));
try {
if (transformer != null){
transformer.transform(source, result);
} catch (TransformerException ex) {
Logger.getLogger(ConfigRW.class.getName()).log(Level.SEVERE, null, ex);
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I am getting the exact same error when trying to write out an XML file. I have been following the J2EE Tutorial. Perhaps I need to look for a more recent tutorial.
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at com.sun.org.apache.xalan.internal.xsltc.trax.DOM2TO.setDocumentInfo(DOM2TO.java:373)
at com.sun.org.apache.xalan.internal.xsltc.trax.DOM2TO.parse(DOM2TO.java:127)
at com.sun.org.apache.xalan.internal.xsltc.trax.DOM2TO.parse(DOM2TO.java:94)
at com.sun.org.apache.xalan.internal.xsltc.trax.TransformerImpl.transformIdentity(TransformerImpl.java:662)
at com.sun.org.apache.xalan.internal.xsltc.trax.TransformerImpl.transform(TransformerImpl.java:708)
at com.sun.org.apache.xalan.internal.xsltc.trax.TransformerImpl.transform(TransformerImpl.java:313)
at com.wordhopper.xml.DOMXMLParser.writeXMLFile(DOMXMLParser.java:55)
at com.wordhopper.gui.xmltool.XMLEditor.writeButtonActionPerformed(XMLEditor.java:217)
at com.wordhopper.gui.xmltool.XMLEditor.access$100(XMLEditor.java:13)
at com.wordhopper.gui.xmltool.XMLEditor$2.actionPerformed(XMLEditor.java:139)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2028)
at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2351)
at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387)
at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242)
at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:236)
at java.awt.Component.processMouseEvent(Component.java:6348)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3267)
at java.awt.Component.processEvent(Component.java:6113)
at java.awt.Container.processEvent(Container.java:2085)
at java.awt.Component.dispatchEventImpl(Component.java:4714)
at java.awt.Container.dispatchEventImpl(Container.java:2143)
at java.awt.Component.dispatchEvent(Component.java:4544)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4618)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4282)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4212)
at java.awt.Container.dispatchEventImpl(Container.java:2129)
at java.awt.Window.dispatchEventImpl(Window.java:2475)
at java.awt.Component.dispatchEvent(Component.java:4544)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:635)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:296)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:211)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:201)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:196)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:188)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)

Trying to export xml file using tcExportOperationsIntf

Hi All,
I am trying to export the xml files using tcExportOperationsIntf in OIM 10g. But I am getting the null pointer exception while finding the objects using findObjects method
FileWriter fstream = new FileWriter("OIMResources.xml");
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tcExportOperationsIntf xlexportOper = (tcExportOperationsIntf)tc.getUtility("Thor.API.Operations.tcExportOperationsIntf");
System.out.println("Before export..1");
Collection<RootObject>lstObjects = (List)xlexportOper.findObjects("Resource", "AD User");
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Error:
java.lang.NullPointerException
        at Thor.API.Operations.tcExportOperationsClient.findObjects(Unknown Sour
ce)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.
java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces
sorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:324)
        at Thor.API.Base.SecurityInvocationHandler$1.run(Unknown Source)
        at Thor.API.Security.LoginHandler.jbossLoginSession.runAs(Unknown Source
        at Thor.API.Base.SecurityInvocationHandler.invoke(Unknown Source)
        at $Proxy5.findObjects(Unknown Source)
        at ExportFile.create(ExportFile.java:32)
        at ExportFile.main(ExportFile.java:16)
Can any one tell me where I did the mistake.
Thanks
K

Try this:
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he knows his ID , if he did all whats in the link he can get his password back ?
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Read&write Excel file using java

Hi everybody,
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http://onesearch.sun.com/search/onesearch/index.jsp?qt=read+write+excel&subCat=siteforumid%3Ajava31&site=dev&dftab=siteforumid%3Ajava31&chooseCat=javaall&col=developer-forums

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Getting ORA-22805 when trying to load XML file using SQLLDR

I'm trying to learn the basics of XML since we'll be getting XML files in the near future. I'm using one of the sample schemas that comes with XMLSPY. I loaded this schema into an 11g Oracle DB using XMLSPY:
<?xml version="1.0" encoding="UTF-8"?>

<schema xmlns="http://www.w3.org/2001/XMLSchema" xmlns:ipo="http://www.altova.com/IPO" targetNamespace="http://www.altova.com/IPO" elementFormDefault="unqualified" attributeFormDefault="unqualified">
     <annotation>
          <documentation>
International Purchase order schema for Example.com
Copyright 2000 Example.com. All rights reserved.
</documentation>
     </annotation>
     
     <include schemaLocation="address.xsd"/>
     <element name="purchaseOrder" type="ipo:PurchaseOrderType"/>
     <element name="comment" type="string"/>
     <complexType name="PurchaseOrderType">
          <sequence>
               <element name="shipTo" type="ipo:Address"/>
               <element name="billTo" type="ipo:Address"/>
               <element ref="ipo:comment" minOccurs="0"/>
               <element name="Items" type="ipo:Items"/>
          </sequence>
          <attribute name="orderDate" type="date"/>
     </complexType>
     <complexType name="Items">
          <sequence>
               <element name="item" minOccurs="0" maxOccurs="unbounded">
                    <complexType>
                         <sequence>
                              <element name="productName" type="string"/>
                              <element name="quantity">
                                   <simpleType>
                                        <restriction base="positiveInteger">
                                             <maxExclusive value="100"/>
                                        </restriction>
                                   </simpleType>
                              </element>
                              <element name="price" type="decimal"/>
                              <element ref="ipo:comment" minOccurs="0"/>
                              <element name="shipDate" type="date" minOccurs="0"/>
                         </sequence>
                         <attribute name="partNum" type="ipo:Sku"/>
                    </complexType>
               </element>
          </sequence>
     </complexType>
     <simpleType name="Sku">
          <restriction base="string">
               <pattern value="\d{3}-[A-Z]{2}"/>
          </restriction>
     </simpleType>
</schema>
Then I created an XMLType table:
CREATE TABLE purchaseOrder OF XMLType
XMLSCHEMA "ipo.xsd" ELEMENT "purchaseOrder"
I'm trying to load the sample XML file ipo.xml into purchaseOrder using SQLLDR. This is ipo.xml:
<?xml version="1.0"?>

<ipo:purchaseOrder xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:ipo="http://www.altova.com/IPO" orderDate="1999-12-01" xsi:schemaLocation="http://www.altova.com/IPO
ipo.xsd">
     <shipTo export-code="1" xsi:type="ipo:EU-Address">
          <ipo:name>Helen Zoe</ipo:name>
          <ipo:street>47 Eden Street</ipo:street>
          <ipo:city>Cambridge</ipo:city>
          <ipo:postcode>126</ipo:postcode>
     </shipTo>
     <billTo xsi:type="ipo:US-Address">
          <ipo:name>Robert Smith</ipo:name>
          <ipo:street>8 Oak Avenue</ipo:street>
          <ipo:city>Old Town</ipo:city>
          <ipo:state>AK</ipo:state>
          <ipo:zip>95819</ipo:zip>
     </billTo>
     <Items>
          <item partNum="833-AA">
               <productName>Lapis necklace</productName>
               <quantity>2</quantity>
               <price>99.95</price>
               <ipo:comment>Need this for the holidays!</ipo:comment>
               <shipDate>1999-12-05</shipDate>
          </item>
          <item partNum="748-OT">
               <productName>Diamond heart</productName>
               <quantity>1</quantity>
               <price>248.90</price>
               <ipo:comment>Valentine's day packaging.</ipo:comment>
               <shipDate>2000-02-14</shipDate>
          </item>
          <item partNum="783-KL">
               <productName>Uncut diamond</productName>
               <quantity>7</quantity>
               <price>79.90</price>
               <shipDate>2000-01-07</shipDate>
          </item>
          <item partNum="238-KK">
               <productName>Amber ring</productName>
               <quantity>3</quantity>
               <price>89.90</price>
               <ipo:comment>With no inclusions, please.</ipo:comment>
               <shipDate>2000-01-07</shipDate>
          </item>
          <item partNum="229-OB">
               <productName>Pearl necklace</productName>
               <quantity>1</quantity>
               <price>4879.00</price>
               <shipDate>1999-12-05</shipDate>
          </item>
          <item partNum="128-UL">
               <productName>Jade earring</productName>
               <quantity>5</quantity>
               <price>179.90</price>
               <shipDate>2000-02-14</shipDate>
          </item>
     </Items>
</ipo:purchaseOrder>
This is what's in the control file:
LOAD DATA
INFILE *
INTO TABLE purchaseOrder TRUNCATE
xmltype(xmldata)
FIELDS
xmldata LOBFILE (CONSTANT ipo.xml)
BEGINDATA
0
The load fails with:
Record 1: Rejected - Error on table PURCHASEORDER.
ORA-22805: cannot insert NULL object into object tables or nested tables
Another question I have is, how do we know how many records (0's) to specify in the control file? In this case there's only one but when real files are used we won't know how many are in the file.
Thanks for your help!

The concept was "Don't use SQL*Loader to parse XML".
You can use SQL*Loader to load an entire XML document into the DB. That is fine. You can do the same via BFILENAME to read in files from disk as well.
If you want to parse XML, do that from within Oracle via PL/SQL and/or SQL. The solution depends upon your version of Oracle and what is good enough for you in terms of performance.
So the basics are
a) How am I getting the information?
b) How am I getting in into Oracle?
c) How do I want to parse it?
As I see the schema, it only allows for one ipo:purchaseOrder node in the document, since that is the root node. If you have multiple in the incoming file, you no longer have valid XML, both per the schema and because you have no single root node. You have an XML fragment, which must be treated different.
Just trying to understand the question since I now realize it does not agree with what the schema in your initial example shows.

Any way to avoid 'save as' dialog/pop-up when trying to save some file using flex?

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Error trying to open a file using java.io.* in an Applet

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My code is as follows:
String inWord = new String("zzz");
try {
File myWordList = new File("wordlist.txt");
BufferedReader inWordList = new BufferedReader(
new FileReader(myWordList));
inWord = inWordList.readLine();
while (inWord != null) {
wordList.addElement(inWord);
inWord = inWordList.readLine();
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} // end try
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// Pr is equivalent System.out.println();
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D (invoice Dtail) Detail information in each account
D
D
D
I Invoice Data (Information on Each account Number (record 2 ) diferrent Account #n )
D (invoice Dtail) Detail information on account2
D
D
D
I Invoice Data (Information on Each account Number (record 3 ) diferrent Account #n )
D (invoice Dtail) Detail information on account3
D
D
D
File Footer
Number on invoices
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The heade on top of the file, not problem here
but each
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       for z in invoice_detail_payments_cur(x.pidm)
          LOOP
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                RPAD ('D', 2, ' ')
              ||RPAD (z.spriden_id, 9)
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              ||RPAD (TO_CHAR (SYSDATE, 'MM/DD/RRRR'), 10)
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        END LOOP;
END LOOP;From a code clarity standpoint, if your file spec uses H, I, and D as a sort of row-type identifier, I would strongly suggest that your loop variable follow that convention or spell out the row type. That is
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LOOP
<<write header>>
FOR i IN invoice_detail_charges_cur(h.pidm)
LOOP
    <<write invoice data>>
    FOR d IN invoice_detail_payments_cur( h.pidm )
    LOOP
      <<write invoice detail>>
    END LOOP;
END LOOP;
END LOOP;Justin

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     catch (FileNotFoundException ex) {
          ex.printStackTrace();
     catch (IOException ex){
          ex.printStackTrace();
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//          Search the text for a string, then replace it //
          int fromIndex = 0;
          int e = 0;
          StringBuffer sb = new StringBuffer();
          while ((e = text.indexOf(oldSubstring, fromIndex)) >= 0) {
               sb.append(text.substring(fromIndex, e));
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               fromIndex = e + oldSubstring.length();
          sb.append(text.substring(fromIndex));
          endResult = sb.toString();
          System.out.println("final string = " + sb);
          return sb.toString();
     String finalReplace (String args) throws IOException {
//          Move the altered text to a new file //
          File outputFile = new File("C:\\copied document.doc");
          FileWriter out = new FileWriter(outputFile);
          Writer output = null;
          try {
               output = new BufferedWriter(new FileWriter(outputFile));
               output.write(endResult);
          finally {
               if (output != null) output.close();
             return endResult;

Procedure to write in file using spool otoption

Hi
Please find the below procedure to spool a file from procedure using execute immediate..
create or replace procedure file_write
IS
sethead varchar2(1500);
setserve varchar2(1500);
setspool varchar2(1500);
setspoolof varchar2(1500);
Begin
sethead:='set feedback off verify off heading off pagesize 0';
setserve:='set serveroutput on';
setspool:='spool C:\file_check_spool.txt APPEND';
setspoolof:='spool off';
execute immediate(sethead);
execute immediate (setserve);
execute immediate (setspool);
dbms_output.put_line('no errors');
execute immediate (setspoolof);
EXCEPTION
THEN
execute immediate(sethead);
execute immediate (setserve);
execute immediate (setspool);
dbms_output.put_line('-20001,Error Encountered - file_check - '||SQLCODE|| '-'|| SQLERRM);
execute immediate (setspoolof);
end file_write;
Please suggest ...
i cant able to use file utilities ...only by this way or any other option is there
Thanks in advance

You would need to create a sql script to run the procedure, something along the lines of:
set feedback off verify off heading off pagesize 0 serveroutput on;
spool C:\file_check_spool.txt APPEND;
exec your_procedure;
spool off;Then your procedure would look something like:
create or replace procedure my_proc
   <declarations>
begin
   <do stuff>
   dbms_output.put_line('no errors');
exception
   when <trap exception here> then
      dbms_output.put_line('Error Encountered - file_check - 'SQLERRM);
end;Note that there is no need to outpu both SQLCODE and SQLERRM since SQLERRM contains the value of SQLCODE.
Note also that depending on your version of Oracle, there are limits on how much data can be put into the dbms_output buffer.
John

Exeption - trying to write to file, using CSVWriter.

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