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From "Kathey Marsden (JIRA)" <j...@apache.org>
Subject [jira] Commented: (DERBY-4343) ASSERT FAILED calling setTransactionIsolation checking isolation_ == level on pooled connection
Date Thu, 08 Jul 2010 18:00:53 GMT

    [ https://issues.apache.org/jira/browse/DERBY-4343?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12886392#action_12886392

Kathey Marsden commented on DERBY-4343:

That makes sense. The real changes was in DERBY-4314 which might cause an issue if someone
is depending on setTransactionIsolation to commit.  So this one should come of the list.

> ASSERT FAILED calling setTransactionIsolation checking isolation_ == level   on  pooled
> --------------------------------------------------------------------------------------------------
>                 Key: DERBY-4343
>                 URL: https://issues.apache.org/jira/browse/DERBY-4343
>             Project: Derby
>          Issue Type: Bug
>          Components: JDBC, Network Client
>    Affects Versions:
>            Reporter: Kathey Marsden
>            Assignee: Lily Wei
>            Priority: Minor
>             Fix For:
>         Attachments: _cpds_0, DERBY-4343-2-testcase.diff, DERBY-4343-3-testcase.diff,
DERBY-4343-4-trunk.diff, DERBY-4343-testcase.diff, TestConnReuse.java, TestConnReuse.java
> For DERBY-4314, I thought I would do a little testing to understand the server round
trips in various scenarios for pooled connections.  So I wrote the small attached program
ConnReuse.java and hit this assertion in client:
> Exception in thread "main" org.apache.derby.shared.common.sanity.AssertFailure: ASSERT
>         at org.apache.derby.shared.common.sanity.SanityManager.ASSERT(SanityManager.java:98)
>         at org.apache.derby.client.am.Connection.setTransactionIsolationX(Connection.java:987)
>         at org.apache.derby.client.am.Connection.setTransactionIsolation(Connection.java:915)
>         at org.apache.derby.client.am.LogicalConnection.setTransactionIsolation(LogicalConnection.java:253)
>         at TestConnReuse.main(TestConnReuse.java:32)
> ---------------
> To run the program on trunk:
> java org.apache.derby.drda.NetworkServerControl start
> java TestConnReuse.
> This needs more investigation, but I thought I would go ahead and log the bug.  I tried
this only on  trunk.  I  have not yet
> - Tried it on the branches.
> - Tried it with Lily's DERBY-4314 patch.
> - Tried it with embedded.
> - Tried actually doing something with the prior logical connection which might be related.

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