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MQSeries.net Forum Index » WebSphere Interchange Server + Adapters » NullPointerException whn collab object expose as webservice

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lax
PostPosted: Tue Sep 16, 2008 10:08 am    Post subject: NullPointerException whn collab object expose as webservice Reply with quote

Novice

Joined: 15 Apr 2008
Posts: 19
When I try to expose collab object as as web services I got following exception javascript:emoticon('')

!ENTRY com.ibm.btools.csm 4 4 Sep 16, 2008 13:56:43.585
!MESSAGE null
java.lang.NullPointerException
at com.ibm.btools.itools.wsdlgen.CWBusObjSpecXMLWriter.createSimpleElement(CWBusObjSpecXMLWriter.java:981)
at com.ibm.btools.itools.wsdlgen.CWBusObjSpecXMLWriter.findSchemaObjectForElement(CWBusObjSpecXMLWriter.java:925)
at com.ibm.btools.itools.wsdlgen.CWBusObjSpecXMLWriter.createElementForSimpleType(CWBusObjSpecXMLWriter.java:1397)
at com.ibm.btools.itools.wsdlgen.CWBusObjSpecXMLWriter.createBusObjComplexTypeWithASIs(CWBusObjSpecXMLWriter.java:1763)
at com.ibm.btools.itools.wsdlgen.CWBusObjSpecXMLWriter.findSchemaObjectForComplexType(CWBusObjSpecXMLWriter.java:818)
at com.ibm.btools.itools.wsdlgen.CWBusObjSpecXMLWriter.createElementForComplexType(CWBusObjSpecXMLWriter.java:1538)
at com.ibm.btools.itools.wsdlgen.CWBusObjSpecXMLWriter.createBusObjComplexTypeWithASIs(CWBusObjSpecXMLWriter.java:1766)
at com.ibm.btools.itools.wsdlgen.CWBusObjSpecXMLWriter.createElementForComplexType(CWBusObjSpecXMLWriter.java:1691)
at com.ibm.btools.itools.wsdlgen.CWBusObjSpecXMLWriter.createBusObjComplexTypeWithASIs(CWBusObjSpecXMLWriter.java:1766)
at com.ibm.btools.itools.wsdlgen.CWBusObjSpecXMLWriter.createElementForComplexType(CWBusObjSpecXMLWriter.java:1691)
at com.ibm.btools.itools.wsdlgen.CWBusObjSpecXMLWriter.createBusObjComplexTypeWithASIs(CWBusObjSpecXMLWriter.java:1766)
at com.ibm.btools.itools.wsdlgen.CWBusObjSpecXMLWriter.createElementForComplexType(CWBusObjSpecXMLWriter.java:1691)
at com.ibm.btools.itools.wsdlgen.CWBusObjSpecXMLWriter.createBusObjComplexTypeWithASIs(CWBusObjSpecXMLWriter.java:1766)
at com.ibm.btools.itools.wsdlgen.CWBusObjSpecXMLWriter.createElementForComplexType(CWBusObjSpecXMLWriter.java:1691)
at com.ibm.btools.itools.wsdlgen.CWBusObjSpecXMLWriter.createBusObjComplexTypeWithASIs(CWBusObjSpecXMLWriter.java:1766)
at com.ibm.btools.itools.wsdlgen.CWBusObjSpecXMLWriter.createElementForComplexType(CWBusObjSpecXMLWriter.java:1691)
at com.ibm.btools.itools.wsdlgen.CWBusObjSpecXMLWriter.createBusObjComplexTypeWithASIs(CWBusObjSpecXMLWriter.java:1766)
at com.ibm.btools.itools.wsdlgen.CWBusObjSpecXMLWriter.findSchemaObjectForComplexType(CWBusObjSpecXMLWriter.java:809)
at com.ibm.btools.itools.wsdlgen.CWBusObjSpecXMLWriter.createTLOBusObjSchemas(CWBusObjSpecXMLWriter.java:508)
at com.ibm.btools.itools.wsdlgen.CWBusObjSpecXMLWriter.processTLOBusObj(CWBusObjSpecXMLWriter.java:381)
at com.ibm.btools.itools.wsdlgen.CWBusObjSpecXMLWriter.write(CWBusObjSpecXMLWriter.java:301)
at com.ibm.btools.itools.wsdlgen.CWCollabWSDLWriter.createSchemaFile(CWCollabWSDLWriter.java:2432)
at com.ibm.btools.csm.ui.wizards.CWCollabWebServiceWizard.performFinish(CWCollabWebServiceWizard.java:311)
at org.eclipse.jface.wizard.WizardDialog.finishPressed(WizardDialog.java:608)
at org.eclipse.jface.wizard.WizardDialog.buttonPressed(WizardDialog.java:321)
at org.eclipse.jface.dialogs.Dialog$1.widgetSelected(Dialog.java:423)
at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:89)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java(Inlined Compiled Code))
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java(Inlined Compiled Code))
at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java(Compiled Code))
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java(Compiled Code))
at org.eclipse.jface.window.Window.runEventLoop(Window.java:583)
at org.eclipse.jface.window.Window.open(Window.java:563)
at com.ibm.btools.csm.ui.actions.CWCollabWebServiceAction.openWebServicesDialogBox(CWCollabWebServiceAction.java:126)
at com.ibm.btools.csm.ui.actions.CWCollabWebServiceAction.run(CWCollabWebServiceAction.java:5
at org.eclipse.jface.action.Action.runWithEvent(Action.java:842)
at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:456)
at org.eclipse.jface.action.ActionContributionItem.handleWidgetEvent(ActionContributionItem.java:403)
at org.eclipse.jface.action.ActionContributionItem.access$0(ActionContributionItem.java:397)
at org.eclipse.jface.action.ActionContributionItem$ActionListener.handleEvent(ActionContributionItem.java:72)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java(Inlined Compiled Code))
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java(Inlined Compiled Code))
at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java(Compiled Code))
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java(Compiled Code))
at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java(Compiled Code))
at org.eclipse.ui.internal.Workbench.run(Workbench.java:1385)
at org.eclipse.core.internal.boot.InternalBootLoader.run(InternalBootLoader.java:858)
at org.eclipse.core.boot.BootLoader.run(BootLoader.java:461)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:85)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:5
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:60)
at java.lang.reflect.Method.invoke(Method.java:391)
at org.eclipse.core.launcher.Main.basicRun(Main.java:291)
at org.eclipse.core.launcher.Main.run(Main.java:747)
at org.eclipse.core.launcher.Main.main(Main.java:583)
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lax
PostPosted: Wed Sep 17, 2008 6:11 am    Post subject: Reply with quote

Novice

Joined: 15 Apr 2008
Posts: 19
Folks,

Plz help me, any jar's need to added, I added following jar's

webservices.jar,
csm.jar
activation.jar
wsdl4j.jar

In connector configure properties

ContetxtPath, host, port, mimetype and other fields are added
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mqjeff
PostPosted: Wed Sep 17, 2008 6:13 am    Post subject: Reply with quote

Grand Master

Joined: 25 Jun 2008
Posts: 17447
Why would a NullPointerException be solved by changing anything on the classpath?
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fjb_saper
PostPosted: Wed Sep 17, 2008 7:04 am    Post subject: Reply with quote

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Joined: 18 Nov 2003
Posts: 20756
Location: LI,NY
Are you trying to perform an operation (method call) on an object/element that is defined as nillable in your schema without first checking wether it is null??
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lax
PostPosted: Wed Sep 17, 2008 7:26 am    Post subject: Reply with quote

Novice

Joined: 15 Apr 2008
Posts: 19
All BO's are having ASI 's and Object is bind to connectors. As my soucre is webservice connector I added context path, host and port details.

Template contains operations (logic). which is also bind to object. could you tell where would be null.

This is the first time I doing exposing collab as webserivce, so I may left out some where. Could you guide/ suggest me.

fjb_saper wrote:
Are you trying to perform an operation (method call) on an object/element that is defined as nillable in your schema without first checking wether it is null??
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mqjeff
PostPosted: Wed Sep 17, 2008 8:15 am    Post subject: Reply with quote

Grand Master

Joined: 25 Jun 2008
Posts: 17447
A NullPointerException means that you tried to access something that did not exist.

Now you need to figure out what you tried to access, why it was did not exist, whether that was allowable or not, how to detect it, and what to do about it.

This is called "programming". If you wish to be a "programmer", then you need to learn this.
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lax
PostPosted: Mon May 10, 2010 3:45 am    Post subject: Reply with quote

Novice

Joined: 15 Apr 2008
Posts: 19
Thanks all,

issue resloved.
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