Kevin Sutter created OPENJPA-2204:
-------------------------------------
Summary: NPE in JDBCStoreManager with Trace turned on
Key: OPENJPA-2204
URL: https://issues.apache.org/jira/browse/OPENJPA-2204
Project: OpenJPA
Issue Type: Bug
Components: jdbc, logging
Affects Versions: 2.3.0, 2.2.1
Reporter: Kevin Sutter
Reporting JIRA on behalf of a user without access to JIRAs...
OK - nearly there! Presumably because we're no longer hooked in to the
container, OpenJPA was pumping out its log messages to system out. I set
openjpa.Log to "commons" and, as desired, it now sends trace to
java.util.logging. The only problem is that, when I set trace to
"openjpa.*=all" I get a NullPointerException (that isn't there when trace isn't
turned off):
[31/05/12 11:31:05:576 BST] 00000020 id=
com.ibm.amc.AmcRuntimeException 3 printStackTrace
java.lang.NullPointerException
at
org.apache.openjpa.jdbc.kernel.JDBCStoreManager.find(JDBCStoreManager.java:979)
at
org.apache.openjpa.jdbc.meta.strats.UntypedPCValueHandler.toObjectValue(UntypedPCValueHandler.java:127)
at
org.apache.openjpa.jdbc.meta.strats.HandlerStrategies.loadObject(HandlerStrategies.java:207)
at
org.apache.openjpa.jdbc.meta.strats.HandlerCollectionTableFieldStrategy.loadElement(HandlerCollectionTableFieldStrategy.java:78)
at
org.apache.openjpa.jdbc.meta.strats.StoreCollectionFieldStrategy.load(StoreCollectionFieldStrategy.java:558)
at org.apache.openjpa.jdbc.meta.FieldMapping.load(FieldMapping.java:934)
at
org.apache.openjpa.jdbc.kernel.JDBCStoreManager.load(JDBCStoreManager.java:673)
at
com.ibm.ws.persistence.jdbc.kernel.WsJpaJDBCStoreManager.load(WsJpaJDBCStoreManager.java:130)
at
org.apache.openjpa.kernel.DelegatingStoreManager.load(DelegatingStoreManager.java:117)
at
org.apache.openjpa.kernel.ROPStoreManager.load(ROPStoreManager.java:78)
at
org.apache.openjpa.kernel.StateManagerImpl.loadFields(StateManagerImpl.java:3071)
at
org.apache.openjpa.kernel.StateManagerImpl.loadField(StateManagerImpl.java:3148)
at
org.apache.openjpa.kernel.StateManagerImpl.beforeAccessField(StateManagerImpl.java:1612)
at
org.apache.openjpa.kernel.StateManagerImpl.accessingField(StateManagerImpl.java:1597)
at
com.ibm.amc.server.action.impl.ActionStatusImpl.pcGetupdates(ActionStatusImpl.java)
at
com.ibm.amc.server.action.impl.ActionStatusImpl.getUpdates(ActionStatusImpl.java:206)
This NPE looks to be due to dumping the parameters for the
JDBCStoreManager.find():
if (_log.isTraceEnabled()) {
_log.trace("find: oid="+oid+"
"+vm.getDeclaredTypeMapping().getDescribedType());
}
And, either vm or vm.getDeclaredTypeMapping() is null...
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