[DERBY-6313] OnlineBackupTest1 fails with with NullPointerException in DML thread

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Duplicate
• Affects Version/s: 10.11.1.1
• Component/s: Store
• Environment: Derby trunk, revision 1515737; ; java version "1.8.0-ea"; Java(TM) SE Runtime Environment (build 1.8.0-ea-b103); Java HotSpot(TM) 64-Bit Server VM (build 25.0-b45, mixed mode); ; Oracle Linux Server release 6.4
• Urgency: Normal
• Bug behavior facts: Regression Test Failure
• Assignee: Unassigned
• Reporter: Knut Anders Hatlen
• Created: 21/Aug/13 10:09
• Updated: 08/Jan/14 09:41
• Resolved: 08/Jan/14 09:41

Description

I saw this diff when running derbyall against trunk:

• • • • • • • • • Diff file storeall/storemore/OnlineBackupTest1.diff
    • Start: OnlineBackupTest1 jdk1.8.0-ea storeall:storemore 2013-08-20 12:15:12 ***
      4a5,10
      > ERROR XJ001: Java exception: ': java.lang.NullPointerException'.
      > java.sql.SQLException: Java exception: ': java.lang.NullPointerException'.
      > Caused by: java.sql.SQLException: Java exception: ': java.lang.NullPointerException'.
      > ... 14 more
      > Caused by: java.lang.NullPointerException
      > ... 7 more
      Test Failed.
    • End: OnlineBackupTest1 jdk1.8.0-ea storeall:storemore 2013-08-20 12:16:16 ***

It may be related to DERBY-973, but it is different in that it happens in the DML thread that runs in parallel with the online backup. The failure reported in DERBY-973 happens later, during restore of the backed up database.

Issue Links

• duplicates: DERBY-6354 DatabaseMetaDataTest.testGetColumnsReadOnly fails with NPE when releasing page
• is related to: DERBY-6354 DatabaseMetaDataTest.testGetColumnsReadOnly fails with NPE when releasing page
• is related to: DERBY-6406 AutomaticIndexStatisticsMultiTest.testMTSelectWithDDL failed on Solaris with jdk1.8 on 10.9 codeline with java.lang.OutOfMemoryError: Java heap space
• is related to: DERBY-6435 NPE in testExhuastivePermutationOfTriggerColumns on trunk on Linux machines
• relates to: DERBY-973 Restore fails in OnlineBackupTest1