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https://issues.apache.org/jira/browse/QPIDJMS-498?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Robbie Gemmell resolved QPIDJMS-498.
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Resolution: Fixed
> race during concurrent creation of initial connection
> -----------------------------------------------------
>
> Key: QPIDJMS-498
> URL: https://issues.apache.org/jira/browse/QPIDJMS-498
> Project: Qpid JMS
> Issue Type: Bug
> Components: qpid-jms-client
> Affects Versions: 0.50.0
> Reporter: Robbie Gemmell
> Assignee: Robbie Gemmell
> Priority: Major
> Fix For: 0.51.0
>
>
> There is a race within some handling code for loading/creation of underlying
> client objects during creation of a connection which can occur during
> concurrent attempts to create the first connection after JVM startup, and
> could lead to failure for some of the attempts as they fail to provide
> required details.
> It occurs due to accessing the related contents of some caching maps in the
> opposite order of their population and allowing a narrow window to violate
> expectation both details would be present. It cant occur again after the
> first connection creation has passed this point.
> {noformat}
> ...
> Caused by: java.lang.IllegalArgumentException: Given Properties object cannot
> be null
> at org.apache.qpid.jms.util.PropertyUtil.setProperties(PropertyUtil.java:300)
> at
> org.apache.qpid.jms.util.FactoryFinder$StandaloneObjectFactory.create(FactoryFinder.java:185)
> at org.apache.qpid.jms.util.FactoryFinder.newInstance(FactoryFinder.java:129)
> at
> org.apache.qpid.jms.provider.ProviderFactory.findProviderFactory(ProviderFactory.java:154)
> ... 18 more
> {noformat}
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