And the line is

xmlWriter.flush();

Looks like xmlWriter null??

Samisa...

On Mon, Nov 9, 2009 at 9:44 AM, Samisa Abeysinghe <[email protected]> wrote:

> Here is the exception:
>
> java.lang.NullPointerException
>         at
> org.wso2.carbon.dataservices.dispatch.DSOMDataSource.serialize(DSOMDataSource.java:90)
>         at
> org.wso2.carbon.dataservices.DBUtils.doNormalRequest(DBUtils.java:179)
>         at org.wso2.carbon.dataservices.DBUtils.xinvoke(DBUtils.java:125)
>         at
> org.wso2.carbon.dataservices.DBInOnlyMessageReceiver.invokeBusinessLogic(DBInOnlyMessageReceiver.java:44)
>         at
> org.apache.axis2.receivers.AbstractMessageReceiver.receive(AbstractMessageReceiver.java:114)
>         at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:178)
>         at
> org.apache.axis2.transport.http.HTTPTransportUtils.processHTTPPostRequest(HTTPTransportUtils.java:167)
>         at
> org.apache.axis2.transport.http.AxisServlet.doPost(AxisServlet.java:142)
>         at javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
>         at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
>         at
> org.eclipse.equinox.http.servlet.internal.ServletRegistration.handleRequest(ServletRegistration.java:90)
>         at
> org.eclipse.equinox.http.servlet.internal.ProxyServlet.processAlias(ProxyServlet.java:111)
>         at
> org.eclipse.equinox.http.servlet.internal.ProxyServlet.service(ProxyServlet.java:67)
>         at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
>         at
> org.wso2.carbon.bridge.BridgeServlet.service(BridgeServlet.java:135)
>         at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
>         at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
>         at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
>         at
> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:210)
>         at
> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:174)
>         at
> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
>         at
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117)
>         at
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108)
>         at
> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:151)
>         at
> org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:870)
>         at
> org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:665)
>         at
> org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:528)
>         at
> org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:81)
>         at
> org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:685)
>         at java.lang.Thread.run(Thread.java:619)
>
>
> On Mon, Nov 9, 2009 at 8:11 AM, Anjana Fernando <[email protected]> wrote:
>
>> Hello,
>>
>> I've fixed the exception handling as per mentioned by Azeez, can you
>> please check it now, you should be able to see the full stack trace of
>> the exception.
>>
>> Cheers,
>> Anjana.
>>
>> On Mon, Nov 9, 2009 at 12:15 AM, Afkham Azeez <[email protected]> wrote:
>> > Exceptions should never be consumed or logged this way. The exception
>> > has to be logged; log.error(msg, e); and then rethrown, if applicable.
>> >
>> > Azeez
>> >
>> > On Sun, Nov 8, 2009 at 12:13 PM, Samisa Abeysinghe <[email protected]>
>> wrote:
>> >> This, I guess, comes form DS.
>> >> I see the following line on DBInOnlyMessageReceiver.java
>> >> log.error("Unexpected Error." + e.getMessage());
>> >> The error says only $subject, more more info.
>> >> How can I get to know what is going wrong? I want to know which DS
>> threw
>> >> this and why. I see some data that I want to insert into the DB is
>> there
>> >> irrespective of the error. But I assume that there is some data loss as
>> >> well.
>> >> Thanks,
>> >> Samisa...
>> >>
>> >> --
>> >> Samisa Abeysinghe
>> >> Director, Engineering - WSO2 Inc.
>> >>
>> >> http://www.wso2.com/ - "The Open Source SOA Company"
>> >>
>> >> _______________________________________________
>> >> Carbon-dev mailing list
>> >> [email protected]
>> >> https://mail.wso2.org/cgi-bin/mailman/listinfo/carbon-dev
>> >>
>> >>
>> >
>> >
>> >
>> > --
>> > --
>> > Afkham Azeez
>> > [email protected]
>> > WSO2 Inc. http://wso2.com
>> > Blog: http://afkham.org
>> >
>> > _______________________________________________
>> > Carbon-dev mailing list
>> > [email protected]
>> > https://mail.wso2.org/cgi-bin/mailman/listinfo/carbon-dev
>> >
>>
>> _______________________________________________
>> Carbon-dev mailing list
>> [email protected]
>> https://mail.wso2.org/cgi-bin/mailman/listinfo/carbon-dev
>>
>
>
>
> --
> Samisa Abeysinghe
> Director, Engineering - WSO2 Inc.
>
> http://www.wso2.com/ - "The Open Source SOA Company"
>



-- 
Samisa Abeysinghe
Director, Engineering - WSO2 Inc.

http://www.wso2.com/ - "The Open Source SOA Company"
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