Hi, The following error where thrown during rugular derby execution. I'm unable to identify the cause.
Tue Apr 16 14:41:51 IST 2013 Thread[DRDAConnThread_19,5,main] (XID = 875157445), (SESSIONID = 945), (DATABASE = /mnt/rw-mk/rw/DerbyDataBase/MKV3DB), (DRDAID = ��������.����-4111503618722240380{474}), Cleanup action starting Tue Apr 16 14:41:51 IST 2013 Thread[DRDAConnThread_19,5,main] (XID = 875157445), (SESSIONID = 945), (DATABASE = /mnt/rw-mk/rw/DerbyDataBase/MKV3DB), (DRDAID = ��������.����-4111503618722240380{474}), Failed Statement is: null java.lang.StackOverflowError at sun.nio.cs.UTF_8.updatePositions(Unknown Source) at sun.nio.cs.UTF_8$Decoder.xflow(Unknown Source) at sun.nio.cs.UTF_8$Decoder.decodeArrayLoop(Unknown Source) at sun.nio.cs.UTF_8$Decoder.decodeLoop(Unknown Source) at java.nio.charset.CharsetDecoder.decode(Unknown Source) at java.lang.StringCoding$StringDecoder.decode(Unknown Source) at java.lang.StringCoding.decode(Unknown Source) at java.lang.String.<init>(Unknown Source) at java.lang.String.<init>(Unknown Source) at java.io.UnixFileSystem.canonicalize0(Native Method) at java.io.UnixFileSystem.canonicalize(Unknown Source) at java.io.File.getCanonicalPath(Unknown Source) at sun.security.provider.PolicyFile.canonPath(Unknown Source) at java.io.FilePermission$1.run(Unknown Source) at java.io.FilePermission$1.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) at java.io.FilePermission.init(Unknown Source) at java.io.FilePermission.<init>(Unknown Source) at java.lang.SecurityManager.checkRead(Unknown Source) at java.io.File.exists(Unknown Source) at org.apache.derby.impl.store.raw.data.StreamFileContainer.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) at org.apache.derby.impl.store.raw.data.StreamFileContainer.privExists(Unknown Source) at org.apache.derby.impl.store.raw.data.StreamFileContainer.open(Unknown Source) at org.apache.derby.impl.store.raw.data.BaseDataFileFactory.openStreamContainer(Unknown Source) at org.apache.derby.impl.store.raw.xact.Xact.openStreamContainer(Unknown Source) at org.apache.derby.impl.store.raw.data.BaseDataFileFactory.dropStreamContainer(Unknown Source) at org.apache.derby.impl.store.raw.xact.Xact.dropStreamContainer(Unknown Source) at org.apache.derby.impl.store.raw.data.DropOnCommit.update(Unknown Source) at java.util.Observable.notifyObservers(Unknown Source) at org.apache.derby.iapi.store.raw.xact.RawTransaction.notifyObservers(Unknown Source) at org.apache.derby.impl.store.raw.data.DropOnCommit.update(Unknown Source) at java.util.Observable.notifyObservers(Unknown Source) at org.apache.derby.iapi.store.raw.xact.RawTransaction.notifyObservers(Unknown Source) at org.apache.derby.impl.store.raw.data.DropOnCommit.update(Unknown Source) at java.util.Observable.notifyObservers(Unknown Source) at org.apache.derby.iapi.store.raw.xact.RawTransaction.notifyObservers(Unknown Source) at org.apache.derby.impl.store.raw.data.DropOnCommit.update(Unknown Source) at java.util.Observable.notifyObservers(Unknown Source) at org.apache.derby.iapi.store.raw.xact.RawTransaction.notifyObservers(Unknown Source) and another one exception is Tue Apr 16 14:42:26 IST 2013 Thread[DRDAConnThread_35,5,main] Cleanup action starting java.lang.NullPointerException at org.apache.derby.impl.store.raw.data.BaseDataFileFactory.openContainer(Unknown Source) at org.apache.derby.impl.store.raw.data.BaseDataFileFactory.openContainer(Unknown Source) at org.apache.derby.impl.store.raw.xact.Xact.openContainer(Unknown Source) at org.apache.derby.impl.store.access.conglomerate.OpenConglomerate.init(Unknown Source) at org.apache.derby.impl.store.access.heap.Heap.open(Unknown Source) at org.apache.derby.impl.store.access.RAMTransaction.openConglomerate(Unknown Source) at org.apache.derby.impl.store.access.RAMTransaction.openConglomerate(Unknown Source) at org.apache.derby.impl.sql.catalog.DataDictionaryImpl.getDescriptorViaIndexMinion(Unknown Source) After this error I just restart derby and now its working.Can anyone suggest why this error is and how to resolve this in future. Thanks -- View this message in context: http://apache-database.10148.n7.nabble.com/StackOverflow-error-and-NPE-in-derby-10-8-2-2-tp129240.html Sent from the Apache Derby Users mailing list archive at Nabble.com.