[infinispan-issues] [JBoss JIRA] (ISPN-8533) Deadlock in pessimistic transaction

[Pedro Ruivo (JIRA)]

Pedro Ruivo created ISPN-8533:
---------------------------------

             Summary: Deadlock in pessimistic transaction
                 Key: ISPN-8533
                 URL: https://issues.jboss.org/browse/ISPN-8533
             Project: Infinispan
          Issue Type: Bug
            Reporter: Pedro Ruivo
            Assignee: Pedro Ruivo


Deadlock can happen (not sure how) during a topology change and pessimistic transaction.
2 transaction can end up in the pending lock manager and they will wait for each other to finish.


{noformat}
Caused by: org.infinispan.util.concurrent.TimeoutException: Could not acquire lock on xxxx in behalf of transaction GlobalTx:node-a:3746. Current owner GlobalTx:node-b:3629.
        at org.infinispan.util.concurrent.locks.impl.DefaultPendingLockManager.timeout(DefaultPendingLockManager.java:262) ~[infinispan-embedded-9.1.2.Final.jar:9.1.2.Final]
        at org.infinispan.util.concurrent.locks.impl.DefaultPendingLockManager.awaitOn(DefaultPendingLockManager.java:345) ~[infinispan-embedded-9.1.2.Final.jar:9.1.2.Final]
        at org.infinispan.util.concurrent.locks.impl.DefaultPendingLockManager.awaitPendingTransactionsForAllKeys(DefaultPendingLockManager.java:147) ~[infinispan-embedded-9.1.2.Final.jar:9.1.2.Final]
        at org.infinispan.interceptors.locking.AbstractTxLockingInterceptor.checkPendingAndLockAllKeys(AbstractTxLockingInterceptor.java:166) ~[infinispan-embedded-9.1.2.Final.jar:9.1.2.Final]
        at org.infinispan.interceptors.locking.AbstractTxLockingInterceptor.lockAllOrRegisterBackupLock(AbstractTxLockingInterceptor.java:134) ~[infinispan-embedded-9.1.2.Final.jar:9.1.2.Final]
        at org.infinispan.interceptors.locking.PessimisticLockingInterceptor.localLockCommandWork(PessimisticLockingInterceptor.java:234) ~[infinispan-embedded-9.1.2.Final.jar:9.1.2.Final]
        at org.infinispan.interceptors.locking.PessimisticLockingInterceptor.lambda$new$0(PessimisticLockingInterceptor.java:41) ~[infinispan-embedded-9.1.2.Final.jar:9.1.2.Final]
{noformat}


{noformat}
Caused by: org.infinispan.util.concurrent.TimeoutException: Could not acquire lock on xxxx in behalf of transaction GlobalTx:node-b:3629. Current 
owner GlobalTx:node-a:3746.
        at org.infinispan.util.concurrent.locks.impl.DefaultPendingLockManager.timeout(DefaultPendingLockManager.java:262) ~[infinispan-embedded-9.1.2.Final.jar:9.1.2.Final]
        at org.infinispan.util.concurrent.locks.impl.DefaultPendingLockManager.awaitOn(DefaultPendingLockManager.java:345) ~[infinispan-embedded-9.1.2.Final.jar:9.1.2.Final]
        at org.infinispan.util.concurrent.locks.impl.DefaultPendingLockManager.awaitPendingTransactionsForAllKeys(DefaultPendingLockManager.java:147) ~[infinispan-embedded-9.1.2.Final.
jar:9.1.2.Final]
        at org.infinispan.interceptors.locking.AbstractTxLockingInterceptor.checkPendingAndLockAllKeys(AbstractTxLockingInterceptor.java:166) ~[infinispan-embedded-9.1.2.Final.jar:9.1.2.Final]
        at org.infinispan.interceptors.locking.AbstractTxLockingInterceptor.lockAllOrRegisterBackupLock(AbstractTxLockingInterceptor.java:134) ~[infinispan-embedded-9.1.2.Final.jar:9.1.2.Final]
        at org.infinispan.interceptors.locking.PessimisticLockingInterceptor.localLockCommandWork(PessimisticLockingInterceptor.java:234) ~[infinispan-embedded-9.1.2.Final.jar:9.1.2.Final]
        at org.infinispan.interceptors.locking.PessimisticLockingInterceptor.lambda$new$0(PessimisticLockingInterceptor.java:41) ~[infinispan-embedded-9.1.2.Final.jar:9.1.2.Final]
{noformat}

notes: confirm the pending lock manager is cleanup!



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