When using the FOR UPDATE OF clause, the updateRow() method crashes
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Key: DERBY-4198
URL: https://issues.apache.org/jira/browse/DERBY-4198
Project: Derby
Issue Type: Bug
Components: JDBC, Network Client
Affects Versions: 10.6.0.0
Reporter: Tiago R. Espinha
This problem occurs on both Client/Server and Embedded.
With the Embedded driver, the JVM crashes with the following error:
-------------------------------------8<------------------------------------
1)
testReproduction(org.apache.derbyTesting.functionTests.tests.store.ReproHoldCursorBug)org.apache.derby.shared.common.sanity.AssertFailure:
ASSERT FAILED statementContext is not expected to equal statementContexts[0]
at
org.apache.derby.shared.common.sanity.SanityManager.ASSERT(SanityManager.java:120)
at
org.apache.derby.impl.sql.conn.GenericLanguageConnectionContext.popStatementContext(GenericLanguageConnectionContext.java:2286)
at
org.apache.derby.impl.jdbc.EmbedResultSet.updateRow(EmbedResultSet.java:3740)
at
org.apache.derbyTesting.functionTests.tests.store.ReproHoldCursorBug.testReproduction(ReproHoldCursorBug.java:71)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at
org.apache.derbyTesting.junit.BaseTestCase.runBare(BaseTestCase.java:105)
at junit.extensions.TestDecorator.basicRun(TestDecorator.java:24)
at junit.extensions.TestSetup$1.protect(TestSetup.java:21)
at junit.extensions.TestSetup.run(TestSetup.java:25)
at
org.apache.derbyTesting.junit.BaseTestSetup.run(BaseTestSetup.java:57)
------------------------------------8<---------------------------------------------
(It shows a stack trace after this, but I'm attaching the result folders since
those are more thorough.)[1]
On the client driver, the JVM does not crash but it also errors out:
1)
testReproduction(org.apache.derbyTesting.functionTests.tests.store.ReproHoldCursorBug)java.sql.SQLException:
DERBY SQL error: SQLCODE: -1, SQLSTATE: XJ001, SQLERRMC:
java.lang.NullPointerExceptionXJ001.U
(more detail on the log files)[2]
The error does not show as long as the "OF DATA" isn't specified. It also won't
show if the whole FOR UPDATE clause is omitted.
I would also like some comments and advice on how to proceed on converting
holdCursorJDBC30.sql as it is affected by this problem. The original test does
an update on a cursor with the "FOR UPDATE OF DATA" clause, and this isn't
working on the Java version of the test. Do I go around it by removing the FOR
UPDATE clause or should I wait for this bug to get fixed?
Attachments:
[1] - ErrorOutput_Embedded.tar.gz - Error output files of the Embedded run
[2] - ErrorOutput_Client.tar.gz - Error output files of the Client/Server run
[3] - ReproHoldCursorBug.java - The reproduction of the errors
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