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https://issues.apache.org/jira/browse/QPID-3760?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13431632#comment-13431632
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Lars-Erik Helander commented on QPID-3760:
------------------------------------------
Since I experienced the same problem, I tried the following "fix" (only check
equality if non-null values):
if (_exchangeClass != null && that._exchangeClass != null) {
if (!_exchangeClass.equals(that._exchangeClass))
{
return false;
}
}
if (_exchangeName != null && that._exchangeName != null) {
if (!_exchangeName.equals(that._exchangeName))
{
return false;
}
}
and that solved my problem.
> Unable to use address strings with java client due to NPE
> ---------------------------------------------------------
>
> Key: QPID-3760
> URL: https://issues.apache.org/jira/browse/QPID-3760
> Project: Qpid
> Issue Type: Bug
> Components: Java Client
> Affects Versions: 0.10
> Reporter: Sergey Zhemzhitsky
> Labels: addressing
>
> Stacktrace:
> {code}
> Exception in thread "Thread-5" java.lang.NullPointerException
> at org.apache.qpid.client.AMQDestination.equals(AMQDestination.java:577)
> at
> org.springframework.jms.connection.CachingConnectionFactory$DestinationCacheKey.destinationEquals(CachingConnectionFactory.java:467)
> at
> org.springframework.jms.connection.CachingConnectionFactory$DestinationCacheKey.equals(CachingConnectionFactory.java:474)
> at java.util.HashMap.get(HashMap.java:385)
> at
> org.springframework.jms.connection.CachingConnectionFactory$CachedSessionInvocationHandler.getCachedProducer(CachingConnectionFactory.java:353)
> at
> org.springframework.jms.connection.CachingConnectionFactory$CachedSessionInvocationHandler.invoke(CachingConnectionFactory.java:320)
> at $Proxy1.createProducer(Unknown Source)
> {code}
> Exception happens for the following address:
> {code}
> JbenchQueue;{create: always, node: {type:queue}}
> {code}
> It seems the qpid java client tries to obtain exchangeClass property in
> AMQDestination.equals method, but this property is not set when using address
> strings.
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