Andrey Gura created IGNITE-5041:
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Summary: NPE during deadlock detection because cache isn't started on node
Key: IGNITE-5041
URL:
https://issues.apache.org/jira/browse/IGNITE-5041 Project: Ignite
Issue Type: Bug
Components: cache
Affects Versions: 1.7
Reporter: Andrey Gura
Assignee: Andrey Gura
NPE is possible during deadlock detection process in case when one of participating cache isn't started on node that initiates transaction:
{noformat}
Exception in thread "sys-#66%transactions.TxDeadlockNpeClientTest1%" java.lang.NullPointerException
at org.apache.ignite.internal.processors.cache.transactions.IgniteTxKey.finishUnmarshal(IgniteTxKey.java:92)
at org.apache.ignite.internal.processors.cache.transactions.TxLocksResponse.finishUnmarshal(TxLocksResponse.java:190)
at org.apache.ignite.internal.processors.cache.transactions.IgniteTxManager$DeadlockDetectionListener.unmarshall(IgniteTxManager.java:2588)
at org.apache.ignite.internal.processors.cache.transactions.IgniteTxManager$DeadlockDetectionListener.onMessage(IgniteTxManager.java:2478)
at org.apache.ignite.internal.managers.communication.GridIoManager.invokeListener(GridIoManager.java:1082)
at org.apache.ignite.internal.managers.communication.GridIoManager.processRegularMessage0(GridIoManager.java:710)
at org.apache.ignite.internal.managers.communication.GridIoManager.access$1700(GridIoManager.java:102)
at org.apache.ignite.internal.managers.communication.GridIoManager$5.run(GridIoManager.java:673)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)
{noformat}
Steps to reproduce:
# Start server node with two caches.
# Start two transactions on server node that involve both caches and lead to deadlock.
# Start client node and create only one cache
# Start transaction on client node that will try to update key that involved into deadlock
As result transaction on client node will hang until deadlock detection timeout happens.
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