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NullPointer at org.eclipse.emf.common.EMFPlugin$InternalHelper.log(EMFPlugin.java:736) [message #509766]

Mon, 25 January 2010 05:44

Eclipse User

In our code, we new instance of one EMF generated class:NavigationPackageImpl, but met nullpointer exception:
Caused by: java.lang.NullPointerException
at org.eclipse.emf.common.EMFPlugin$InternalHelper.log(EMFPlugi n.java:736)
at org.eclipse.emf.common.EMFPlugin$EclipsePlugin.log(EMFPlugin .java:611)
at org.eclipse.emf.common.EMFPlugin.log(EMFPlugin.java:503)
at com.ibm.isc.wccm.navigation.impl.NavigationFactoryImpl.init( NavigationFactoryImpl.java:46)
at com.ibm.isc.wccm.navigation.NavigationFactory.<clinit>(NavigationFactory.java:27)
at java.lang.J9VMInternals.initializeImpl(Native Method)
at java.lang.J9VMInternals.initialize(J9VMInternals.java:194)
at com.ibm.isc.wccm.navigation.impl.NavigationPackageImpl.<init >(NavigationPackageImpl.java:194)
at com.ibm.isc.wccm.navigation.impl.NavigationPackageImpl.init( NavigationPackageImpl.java:231)
at com.ibm.isclite.service.datastore.DatastoreServiceImpl.init( DatastoreServiceImpl.java:73)
at com.ibm.isclite.service.datastore.contextmenu.CmsInternalImp l.init(CmsInternalImpl.java:93)

Has anybody seen this nullpointer problem? or any idea?

Re: NullPointer at org.eclipse.emf.common.EMFPlugin$InternalHelper.log(EMFPlugin.java:736) [message #509775 is a reply to message #509766]

Mon, 25 January 2010 06:04

Eclipse User

I've seen problems like this with the WAS runtime trying to initialize
classes that need to be globally visible on a specific thread where the
classes aren't visible to the load. I'd suggest talking to the WCCM
folks who have a lot of experience with this.

jkfang@cn.ibm.com wrote:
> In our code, we new instance of one EMF generated
> class:NavigationPackageImpl, but met nullpointer exception:
> Caused by: java.lang.NullPointerException
> at org.eclipse.emf.common.EMFPlugin$InternalHelper.log(EMFPlugi
> n.java:736)
> at org.eclipse.emf.common.EMFPlugin$EclipsePlugin.log(EMFPlugin
> .java:611)
> at org.eclipse.emf.common.EMFPlugin.log(EMFPlugin.java:503)
> at com.ibm.isc.wccm.navigation.impl.NavigationFactoryImpl.init(
> NavigationFactoryImpl.java:46)
> at
> com.ibm.isc.wccm.navigation.NavigationFactory.<clinit>(NavigationFactory.java:27)
>
> at java.lang.J9VMInternals.initializeImpl(Native Method)
> at java.lang.J9VMInternals.initialize(J9VMInternals.java:194)
> at com.ibm.isc.wccm.navigation.impl.NavigationPackageImpl.<init
> >(NavigationPackageImpl.java:194)
> at com.ibm.isc.wccm.navigation.impl.NavigationPackageImpl.init(
> NavigationPackageImpl.java:231)
> at com.ibm.isclite.service.datastore.DatastoreServiceImpl.init(
> DatastoreServiceImpl.java:73)
> at com.ibm.isclite.service.datastore.contextmenu.CmsInternalImp
> l.init(CmsInternalImpl.java:93)
>
> Has anybody seen this nullpointer problem? or any idea?

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