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https://issues.apache.org/jira/browse/DERBY-7169?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Richard N. Hillegas updated DERBY-7169:
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Urgency: Normal
> Deadlocks can occur when creating tables and querying indexes in multiple
> threads
> ---------------------------------------------------------------------------------
>
> Key: DERBY-7169
> URL: https://issues.apache.org/jira/browse/DERBY-7169
> Project: Derby
> Issue Type: Bug
> Components: JDBC
> Affects Versions: 10.14.1.0
> Reporter: Richard Evans
> Priority: Major
> Attachments: dmdlock.java
>
>
> In multiple threads, create tables and also query meta data using
> getIndexInfo. After a number of successful table creates the test hangs and
> fails with
> ERROR 40XL1: A lock could not be obtained within the time requested
> If run with -Dderby.locks.waitTimeout=-1 the test hangs indefinitely.
> Test case attached.
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