My application id is cygpia. Now I often get 500 Server Error. Here is
the stack trace:
rror for /
com.google.apphosting.runtime.HardDeadlineExceededError: This request
(c1483d87bde4acaf) started at 2009/09/09 03:56:22.521 UTC and was
still executing at 2009/09/09 03:56:51.920 UTC.
at com.google.appengine.runtime.Request.process-0882f1d4d491af52
(Request.java)
at sun.reflect.ReflectionFactory.copyField(Unknown Source)
at java.lang.Class.copyFields(Unknown Source)
at java.lang.Class.getDeclaredFields(Unknown Source)
at sun.reflect.GeneratedMethodAccessor16.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at
org.datanucleus.metadata.ClassMetaData.addMetaDataForMembersNotInMetaData
(ClassMetaData.java:355)
at org.datanucleus.metadata.ClassMetaData.populate(ClassMetaData.java:
199)
at org.datanucleus.metadata.MetaDataManager$1.run
(MetaDataManager.java:2317)
at java.security.AccessController.doPrivileged(AccessController.java:
34)
at
org.datanucleus.metadata.MetaDataManager.populateAbstractClassMetaData
(MetaDataManager.java:2311)
at org.datanucleus.metadata.MetaDataManager.populateFileMetaData
(MetaDataManager.java:2148)
at
org.datanucleus.metadata.MetaDataManager.initialiseFileMetaDataForUse
(MetaDataManager.java:864)
at org.datanucleus.metadata.MetaDataManager.loadPersistenceUnit
(MetaDataManager.java:794)
at org.datanucleus.jpa.EntityManagerFactoryImpl.initialisePMF
(EntityManagerFactoryImpl.java:488)
at org.datanucleus.jpa.EntityManagerFactoryImpl.<init>
(EntityManagerFactoryImpl.java:355)
at
org.datanucleus.store.appengine.jpa.DatastoreEntityManagerFactory.<init>
(DatastoreEntityManagerFactory.java:63)
at
org.datanucleus.store.appengine.jpa.DatastorePersistenceProvider.createEntityManagerFactory
(DatastorePersistenceProvider.java:35)
at javax.persistence.Persistence.createFactory(Persistence.java:172)
at javax.persistence.Persistence.createEntityManagerFactory
(Persistence.java:112)
at javax.persistence.Persistence.createEntityManagerFactory
(Persistence.java:66)
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