Barrett Oglesby created GEODE-7466:
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Summary: HARegionQueueTest
queuePutElidesSequenceIdLowerThanOrEqualToLastSeenSequenceId can throw a
NullPointerException if the CacheClientNotifier instance is set
Key: GEODE-7466
URL: https://issues.apache.org/jira/browse/GEODE-7466
Project: Geode
Issue Type: Bug
Components: tests
Reporter: Barrett Oglesby
Testing has shown this NPE can occur:
{noformat}
java.lang.NullPointerException
at java.util.concurrent.ConcurrentHashMap.get(ConcurrentHashMap.java:936)
at
org.apache.geode.internal.cache.tier.sockets.CacheClientNotifier.getClientProxy(CacheClientNotifier.java:1197)
at
org.apache.geode.internal.cache.ha.HARegionQueue$DispatchedAndCurrentEvents.putObject(HARegionQueue.java:3023)
at
org.apache.geode.internal.cache.ha.HARegionQueue.basicPut(HARegionQueue.java:679)
at
org.apache.geode.internal.cache.ha.HARegionQueue.put(HARegionQueue.java:631)
at
org.apache.geode.internal.cache.ha.HARegionQueueTest.queuePutElidesSequenceIdLowerThanOrEqualToLastSeenSequenceId(HARegionQueueTest.java:119)
{noformat}
HARegionQueue.java:3023 is here:
{noformat}
CacheClientNotifier ccn =
CacheClientNotifier.getInstance();
if (ccn != null) {
HARegionQueue.java:3023 ->
ccn.getClientProxy(owningQueue.clientProxyID).getStatistics().incMessagesFailedQueued();
}
{noformat}
The HARegionQueueTest does not create a CacheClientNotifier, so it seems like
its created in another test and that test affects this one.
If a CacheClientNotifier is created in this test, then the same NPE is thrown
because owningQueue.clientProxyID is null.
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