i put the call to das.applyChanges in a try/catch block which gives a little more info:java.lang.NullPointerExceptionat org.apache.tuscany.das.rdb.impl.ApplyChangesCommandImpl.execute( at org.apache.tuscany.das.rdb.impl.DASImpl.applyChanges( at org.soa.services.OrganizationDataServiceImpl.updateOrganization( at org.soa.services.OrganizationServiceImpl.updateOrganization( at sun.reflect.NativeMethodAccessorImpl.invoke0( at sun.reflect.NativeMethodAccessorImpl.invoke( at sun.reflect.DelegatingMethodAccessorImpl.invoke( at java.lang.reflect.Method.invoke( at org.apache.tuscany.sca.implementation.spring.SpringInvoker.doInvoke( at org.apache.tuscany.sca.implementation.spring.SpringInvoker.invoke( at org.apache.tuscany.sca.core.databinding.wire.PassByValueInterceptor.invoke( at org.apache.tuscany.sca.binding.sca.impl.SCABindingInvoker.invoke( at org.apache.tuscany.sca.core.databinding.wire.PassByValueInterceptor.invoke( at org.apache.tuscany.sca.core.invocation.JDKInvocationHandler.invoke( at org.apache.tuscany.sca.core.invocation.JDKInvocationHandler.invoke( at $Proxy7.updateOrganization(Unknown Source)ApplyChangesCommandImpl.java:58)DASImpl.java:310)OrganizationDataServiceImpl.java:188)OrganizationServiceImpl.java:60)Native Method)NativeMethodAccessorImpl.java:39)DelegatingMethodAccessorImpl.java:25)Method.java:585)SpringInvoker.java:100)SpringInvoker.java:116)PassByValueInterceptor.java:108)SCABindingInvoker.java:61)PassByValueInterceptor.java:108)JDKInvocationHandler.java:286)JDKInvocationHandler.java:154) here's line 63 from my test runner: commonj.sdo.DataObject account = organizationService.getOrganization(organizationId organizationService.updateOrganization(account); line 63 is organizationService.updateOrganization(organizationId); thx...hope this helps...all i'm doing is grabbing the org (just a simple find) in getOrganization, then passing that org to update. no changes are made. maybe i'm not closing a connection ?);
----- Original Message ---- From: Jean Madson <[EMAIL PROTECTED]> To: [email protected] Sent: Monday, July 28, 2008 4:37:34 PM Subject: Re: das npe in PassByValueInterceptor OK, Abraham. It seems like an invalid reference object in line 63. What is there? Can you put here a numbered excerpt of the code around 63 line? 2008/7/28 Abraham Washington <[EMAIL PROTECTED]> hi jean...that is the entire stack trace. i'm running within eclipse and that's all that's given. i'm using oracle if that helps. update account now... Exception in thread "main" java.lang.NullPointerExceptionat org.apache.tuscany.sca.core.databinding.wire.PassByValueInterceptor.copyFault(PassByValueInterceptor.java:125) at org.apache.tuscany.sca.core.databinding.wire.PassByValueInterceptor.invoke(PassByValueInterceptor.java:115) at org.apache.tuscany.sca.binding.sca.impl.SCABindingInvoker.invoke(SCABindingInvoker.java:61) at org.apache.tuscany.sca.core.databinding.wire.PassByValueInterceptor.invoke(PassByValueInterceptor.java:108) at org.apache.tuscany.sca.core.invocation.JDKInvocationHandler.invoke(JDKInvocationHandler.java:286) at org.apache.tuscany.sca.core.invocation.JDKInvocationHandler.invoke(JDKInvocationHandler.java:154) at $Proxy7.updateOrganization(Unknown Source) at helloworld.OrganizationServiceCompositeRunner.main(OrganizationServiceCompositeRunner.java:63) let me know if you need more info...abe ----- Original Message ---- From: Jean Madson <[EMAIL PROTECTED]> To: [email protected] Sent: Monday, July 28, 2008 3:52:49 PM Subject: Re: das npe in PassByValueInterceptor Can you put here all stack trace? 2008/7/28 Abraham Washington <[EMAIL PROTECTED]> hi, i'm trying to get DAS to work for my service. i'm able to query and get results back no problem. below is my code for updating. if i take out the call to account.set(....), then the apply works (but there were no changes to the DataObject). with the account.set(...) call, the exception is thrown. ideas? thx abe Command read = das.getCommand("getAccountByID"); read.setParameter(1, Integer.valueOf(organizationId)); root = read.executeQuery(); DataObject account = root.getDataObject("ACCOUNT[1]"); System.out.println("accountName before change -> "+ account.getString("ACCOUNT_NAME")); account.set("ACCOUNT_NAME", "TestAccount"); System.out.println("apply changes..."); das.applyChanges(root); apply changes...Exception in thread "main" java.lang.NullPointerExceptionat org.apache.tuscany.sca.core.databinding.wire.PassByValueInterceptor.copyFault(PassByValueInterceptor.java:125) at org.apache.tuscany.sca.core.databinding.wire.PassByValueInterceptor.invoke(PassByValueInterceptor.java:115) at org.apache.tuscany.sca.binding.sca.impl.SCABindingInvoker.invoke(SCABindingInvoker.java:61) at org.apache.tuscany.sca.core.databinding.wire.PassByValueInterceptor.invoke(PassByValueInterceptor.java:108) at org.apache.tuscany.sca.core.invocation.JDKInvocationHandler.invoke(JDKInvocationHandler.java:286) at org.apache.tuscany.sca.core.invocation.JDKInvocationHandler.invoke(JDKInvocationHandler.java:154) at $Proxy7.updateOrganization(Unknown Source)
