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From "Dag H. Wanvik (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (DERBY-5158) Incomprehensible error message on client if attempting rollback after database has been shut down.
Date Tue, 05 Apr 2011 23:36:05 GMT

     [ https://issues.apache.org/jira/browse/DERBY-5158?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Dag H. Wanvik updated DERBY-5158:
---------------------------------

    Attachment: DERBY-5158b.stat
                DERBY-5158b.diff

Uploading a new version of the patch, which improves the test a bit: we now make sure to do
some work before closing down the database, since otherwise the client short circuits the
commit (if it knows nothing happened yet on this connection). Rollback does not do this, cf.
DERBY-4653.(I did not notice this optimization in the first version, but saw it when instrumenting
it for verification.)

I did not move the test into ShutdownDatabaseTest, because that test does not yet run with
client/server due to DERBY-2477. Linked this issue to that also.


> Incomprehensible error message on client if attempting rollback after database has been
shut down.
> --------------------------------------------------------------------------------------------------
>
>                 Key: DERBY-5158
>                 URL: https://issues.apache.org/jira/browse/DERBY-5158
>             Project: Derby
>          Issue Type: Bug
>            Reporter: Dag H. Wanvik
>            Assignee: Dag H. Wanvik
>            Priority: Minor
>         Attachments: DERBY-5158a.diff, DERBY-5158a.stat, DERBY-5158b.diff, DERBY-5158b.stat,
Derby5158Repro.java
>
>
> Cf the attached repro: when performing the rollback after the database has been shutdown,
we see this error:
> There was 1 error:
> 1) testShutdown(org.apache.derbyTesting.functionTests.tests.store.Foo)java.sql.SQLNonTransientConnectionException:
Network protocol exception: actual code point, 4,692, does not match expected code point,
9,224.  The connection has been terminated.
> 	at org.apache.derby.client.am.SQLExceptionFactory40.getSQLException(SQLExceptionFactory40.java:71)
> 	at org.apache.derby.client.am.SqlException.getSQLException(SqlException.java:358)
> 	at org.apache.derby.client.am.Connection.rollback(Connection.java:659)
> 	at org.apache.derbyTesting.junit.BaseJDBCTestCase.rollback(BaseJDBCTestCase.java:387)
> 	at org.apache.derbyTesting.functionTests.tests.store.Foo.testShutdown(Foo.java:100)
> 	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:112)
> 	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)
> 	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)
> Caused by: org.apache.derby.client.am.DisconnectException: Network protocol exception:
actual code point, 4,692, does not match expected code point, 9,224.  The connection has been
terminated.
> 	at org.apache.derby.client.net.Reply.parseLengthAndMatchCodePoint(Reply.java:1075)
> 	at org.apache.derby.client.net.NetConnectionReply.parseSQLCARD(NetConnectionReply.java:2572)
> 	at org.apache.derby.client.net.NetConnectionReply.parseRDBRLLBCKreply(NetConnectionReply.java:219)
> 	at org.apache.derby.client.net.NetConnectionReply.readLocalRollback(NetConnectionReply.java:141)
> 	at org.apache.derby.client.net.ConnectionReply.readLocalRollback(ConnectionReply.java:48)
> 	at org.apache.derby.client.net.NetConnection.readLocalRollback_(NetConnection.java:1515)
> 	at org.apache.derby.client.am.Connection.readRollback(Connection.java:707)
> 	at org.apache.derby.client.am.Connection.flowRollback(Connection.java:690)
> 	at org.apache.derby.client.am.Connection.rollback(Connection.java:655)
> 	... 29 more

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