Problem in running a JAXB program?

hi
i am new to JAXB. I Read the article in following link.
http://java.sun.com/developer/technicalArticles/WebServices/jaxb/
i am trying to run a example program , got an error message
i used this command for running
java test.jaxb.UsingJAXBTest1
The ERROR message is
java.lang.NullPointerException
at test.jaxb.impl.runtime.ValidatingUnmarshaller.startElement(Validating
Unmarshaller.java:90)
at org.xml.sax.helpers.XMLFilterImpl.startElement(Unknown Source)
at com.sun.xml.bind.unmarshaller.InterningXMLReader.startElement(Interni
ngXMLReader.java:74)
at org.apache.xerces.parsers.AbstractSAXParser.startElement(AbstractSAXP
arser.java:342)
at org.apache.xerces.impl.xs.XMLSchemaValidator.startElement(XMLSchemaVa
lidator.java:401)
at org.apache.xerces.impl.XMLNamespaceBinder.handleStartElement(XMLNames
paceBinder.java:809)
at org.apache.xerces.impl.XMLNamespaceBinder.startElement(XMLNamespaceBi
nder.java:556)
at org.apache.xerces.impl.dtd.XMLDTDValidator.handleStartElement(XMLDTDV
alidator.java:2678)
at org.apache.xerces.impl.dtd.XMLDTDValidator.startElement(XMLDTDValidat
or.java:782)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanStartElemen
t(XMLDocumentFragmentScannerImpl.java:747)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContent
Dispatcher.dispatch(XMLDocumentFragmentScannerImpl.java:1445)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(XM
LDocumentFragmentScannerImpl.java:328)
at org.apache.xerces.parsers.StandardParserConfiguration.parse(StandardP
arserConfiguration.java:479)
at org.apache.xerces.parsers.StandardParserConfiguration.parse(StandardP
arserConfiguration.java:521)
at org.apache.xerces.parsers.XMLParser.parse(XMLParser.java:148)
at org.apache.xerces.parsers.AbstractSAXParser.parse(AbstractSAXParser.j
ava:972)
at org.xml.sax.helpers.XMLFilterImpl.parse(Unknown Source)
at test.jaxb.impl.runtime.UnmarshallerImpl.unmarshal(UnmarshallerImpl.ja
va:140)
at javax.xml.bind.helpers.AbstractUnmarshallerImpl.unmarshal(AbstractUnm
arshallerImpl.java:131)
at javax.xml.bind.helpers.AbstractUnmarshallerImpl.unmarshal(AbstractUnm
arshallerImpl.java:136)
at javax.xml.bind.helpers.AbstractUnmarshallerImpl.unmarshal(AbstractUnm
arshallerImpl.java:145)
at javax.xml.bind.helpers.AbstractUnmarshallerImpl.unmarshal(AbstractUnm
arshallerImpl.java:163)
at test.jaxb.UsingJAXBTest1.main(UsingJAXBTest1.java:40)
please help me what is the problem?
thanks

I had trouble with the example but I was able to get JAXB working. It's an amazing tool that will save you lots of time. I wrote the following quick JAXB tutorial that should get you up and running in about five minutes.
working JAXB example:
http://www.keithcoleman.com/jaxb.php
Hope that helps! Let me know if you still have any problems.
-Keith Coleman
http://www.keithcoleman.com

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                    String line;
                    while((line = br.readLine()) != null) {
                         System.out.println(line);
               } else {
                    System.out.println("No such file");
          } catch (Exception e) {
               e.printStackTrace();
          return pixieLoc;
}     when i remove the process.waitFor(), then while reading the ProcessList.txt file, it says "No such file".
if i give process.waitFor(), then it's in running mode and program is not completed.
Colud anyone please tell me how to handle this situation?
or Is there anyother way to kill the one running process in windows from java program?
Thanks in advance,
Sathish

Hi masijade,
The modified code is,
class StreamGobbler extends Thread
    InputStream is;
    String type;
    StreamGobbler(InputStream is, String type)
        this.is = is;
        this.type = type;
    public void run()
        try
            InputStreamReader isr = new InputStreamReader(is, "UTF-16");
            BufferedReader br = new BufferedReader(isr);
            String line=null;
            while ( (line = br.readLine()) != null)
                System.out.println(type + ">" + line);
            } catch (IOException ioe)
                ioe.printStackTrace();
public class GoodWindowsExec
    public static void main(String args[])
        try
            String osName = System.getProperty("os.name" );
            String[] cmd = new String[3];
             if( osName.equals( "Windows 95" ) )
                cmd[0] = "command.com" ;
                cmd[1] = "/C" ;
                cmd[2] = "wmic process where \"name='java.exe'\" get commandline,processid";
            } else {
                cmd[0] = "cmd.exe" ;
                cmd[1] = "/C" ;
                cmd[2] = "wmic process where \"name='java.exe'\" get commandline,processid";
            Runtime rt = Runtime.getRuntime();
            System.out.println("Execing " + cmd[0] + " " + cmd[1]
                               + " " + cmd[2]);
            Process proc = rt.exec(cmd);
            System.out.println("Executing.......");
            // any error message?
            StreamGobbler errorGobbler = new
                StreamGobbler(proc.getErrorStream(), "ERROR");
                      // any output?
          StreamGobbler outputGobbler = new
                StreamGobbler(proc.getInputStream(), "OUTPUT");
                      // kick them off
            errorGobbler.start();
            outputGobbler.start();
            // any error???
            int exitVal = proc.waitFor();
            System.out.println("ExitValue: " + exitVal);
        } catch (Throwable t)
            t.printStackTrace();
}when i execute the above code, i got output as,
Execing cmd.exe /C wmic process where "name='java.exe'" get commandline,processid
and keeps in running mode only.
If i execute the same command in dos prompt,
CommandLine
ProcessId
java -classpath ./../lib/StartApp.jar;./../lib; com.abc.middle.startapp.StartAPP 2468
If i modify the command as,
cmd.exe /C wmic process where "name='java.exe'" get commandline,processid > 123.txt
and keeps in running mode only.
If i open the file when program in running mode, no contents in that file.
If i terminte the program and if i open the file, then i find the processid in that file.
Can you help me to solve this issue?

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