java.lang.NullPointerException: This exception has no message.

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via openjpa-users by Fay Wang, 1 year ago
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This exception has no message.
via Oracle Community by 821992, 1 year ago
java.lang.NullPointerException:
at org.apache.openjpa.meta.ClassMetaData.validateAppIdClass(ClassMetaData.java:1883)
at org.apache.openjpa.meta.ClassMetaData.validateIdentity(ClassMetaData.java:1840)
at org.apache.openjpa.meta.ClassMetaData.validateMeta(ClassMetaData.java:1757)
at org.apache.openjpa.meta.ClassMetaData.resolve(ClassMetaData.java:1630)
at org.apache.openjpa.meta.MetaDataRepository.processBuffer(MetaDataRepository.java:717)
at org.apache.openjpa.meta.MetaDataRepository.resolveMeta(MetaDataRepository.java:616)
at org.apache.openjpa.meta.MetaDataRepository.resolve(MetaDataRepository.java:541)
at org.apache.openjpa.meta.MetaDataRepository.getMetaData(MetaDataRepository.java:308)
at org.apache.openjpa.enhance.PCEnhancer.(PCEnhancer.java:249)
at org.apache.openjpa.enhance.PCEnhancer.run(PCEnhancer.java:4502)
at org.apache.openjpa.enhance.PCEnhancer.run(PCEnhancer.java:4449)
at org.apache.openjpa.enhance.PCEnhancer$1.run(PCEnhancer.java:4419)
at org.apache.openjpa.lib.conf.Configurations.launchRunnable(Configurations.java:726)
at org.apache.openjpa.lib.conf.Configurations.runAgainstAllAnchors(Configurations.java:716)
at org.apache.openjpa.enhance.PCEnhancer.run(PCEnhancer.java:4414)

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