Your logs should contain exception with stack trace that looks like
piece of log bellow. You can try find "TransactionDeadlockException"
or "Deadlock detected" patterns in log.
javax.cache.CacheException: class
org.apache.ignite.transactions.TransactionTimeoutException: Failed to
acquire lock within provided timeout for transaction [timeout=800,
tx=org.apache.ignite.internal.processors.cache.transactions.IgniteTxLocalAdapter$10@647b61d9]
at
org.apache.ignite.internal.processors.cache.GridCacheUtils.convertToCacheException(GridCacheUtils.java:1440)
at
org.apache.ignite.internal.processors.cache.IgniteCacheProxy.cacheException(IgniteCacheProxy.java:2183)
at
org.apache.ignite.internal.processors.cache.IgniteCacheProxy.putAll(IgniteCacheProxy.java:1430)
at
org.apache.ignite.internal.processors.cache.transactions.TxPessimisticDeadlockDetectionTest$1.run(TxPessimisticDeadlockDetectionTest.java:322)
at
org.apache.ignite.testframework.GridTestUtils$8.call(GridTestUtils.java:1092)
at
org.apache.ignite.testframework.GridTestThread.run(GridTestThread.java:86)
Suppressed: class org.apache.ignite.IgniteException: Transaction
has been already completed.
at
org.apache.ignite.internal.util.IgniteUtils.convertException(IgniteUtils.java:924)
at
org.apache.ignite.internal.processors.cache.transactions.TransactionProxyImpl.close(TransactionProxyImpl.java:279)
at
org.apache.ignite.internal.processors.cache.transactions.TxPessimisticDeadlockDetectionTest$1.run(TxPessimisticDeadlockDetectionTest.java:325)
... 2 more
Caused by: class org.apache.ignite.IgniteCheckedException:
Transaction has been already completed.
at
org.apache.ignite.internal.processors.cache.transactions.IgniteTxHandler.finishDhtLocal(IgniteTxHandler.java:786)
at
org.apache.ignite.internal.processors.cache.transactions.IgniteTxHandler.finish(IgniteTxHandler.java:728)
at
org.apache.ignite.internal.processors.cache.transactions.IgniteTxHandler.processNearTxFinishRequest(IgniteTxHandler.java:687)
at
org.apache.ignite.internal.processors.cache.transactions.IgniteTxHandler$3.apply(IgniteTxHandler.java:157)
at
org.apache.ignite.internal.processors.cache.transactions.IgniteTxHandler$3.apply(IgniteTxHandler.java:155)
at
org.apache.ignite.internal.processors.cache.GridCacheIoManager.processMessage(GridCacheIoManager.java:827)
at
org.apache.ignite.internal.processors.cache.GridCacheIoManager.onMessage0(GridCacheIoManager.java:369)
at
org.apache.ignite.internal.processors.cache.GridCacheIoManager.handleMessage(GridCacheIoManager.java:293)
at
org.apache.ignite.internal.processors.cache.GridCacheIoManager.access$000(GridCacheIoManager.java:95)
at
org.apache.ignite.internal.processors.cache.GridCacheIoManager$1.onMessage(GridCacheIoManager.java:238)
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)
Caused by: class
org.apache.ignite.transactions.TransactionTimeoutException: Failed to
acquire lock within provided timeout for transaction [timeout=800,
tx=org.apache.ignite.internal.processors.cache.transactions.IgniteTxLocalAdapter$10@647b61d9]
at
org.apache.ignite.internal.util.IgniteUtils$13.apply(IgniteUtils.java:831)
at
org.apache.ignite.internal.util.IgniteUtils$13.apply(IgniteUtils.java:828)
... 6 more
Caused by: class org.apache.ignite.transactions.TransactionDeadlockException:
Deadlock detected:
K1: TX1 holds lock, TX2 waits lock.
K2: TX3 holds lock, TX1 waits lock.
K3: TX2 holds lock, TX3 waits lock.
Transactions:
TX1 [txId=GridCacheVersion [topVer=100472269, time=1488992349410,
order=1488992271778, nodeOrder=5],
nodeId=52c630e7-3b59-4d58-9291-dd8bd9e00004, threadId=637]
TX2 [txId=GridCacheVersion [topVer=100472269, time=1488992349410,
order=1488992271778, nodeOrder=6],
nodeId=652f18b9-8948-4d66-a1a8-f45346c00005, threadId=636]
TX3 [txId=GridCacheVersion [topVer=100472269, time=1488992349410,
order=1488992271806, nodeOrder=4],
nodeId=5810f06c-f9a5-40b2-91ec-e9ec97a00003, threadId=635]
Keys:
K1 [key=3, cache=cache]
K2 [key=2, cache=cache]
K3 [key=1, cache=cache]
at
org.apache.ignite.internal.processors.cache.distributed.dht.colocated.GridDhtColocatedLockFuture$LockTimeoutObject$1.apply(GridDhtColocatedLockFuture.java:1355)
at
org.apache.ignite.internal.processors.cache.distributed.dht.colocated.GridDhtColocatedLockFuture$LockTimeoutObject$1.apply(GridDhtColocatedLockFuture.java:1349)
at
org.apache.ignite.internal.util.future.GridFutureAdapter.notifyListener(GridFutureAdapter.java:264)
at
org.apache.ignite.internal.util.future.GridFutureAdapter.notifyListeners(GridFutureAdapter.java:252)
at
org.apache.ignite.internal.util.future.GridFutureAdapter.onDone(GridFutureAdapter.java:382)
at
org.apache.ignite.internal.util.future.GridFutureAdapter.onDone(GridFutureAdapter.java:348)
at
org.apache.ignite.internal.processors.cache.transactions.TxDeadlockDetection$TxDeadlockFuture.onDone(TxDeadlockDetection.java:537)
at
org.apache.ignite.internal.processors.cache.transactions.TxDeadlockDetection$TxDeadlockFuture.onDone(TxDeadlockDetection.java:158)
at
org.apache.ignite.internal.util.future.GridFutureAdapter.onDone(GridFutureAdapter.java:325)
at
org.apache.ignite.internal.processors.cache.transactions.TxDeadlockDetection$TxDeadlockFuture.detect(TxDeadlockDetection.java:313)
at
org.apache.ignite.internal.processors.cache.transactions.TxDeadlockDetection$TxDeadlockFuture.onResult(TxDeadlockDetection.java:513)
at
org.apache.ignite.internal.processors.cache.transactions.IgniteTxManager$DeadlockDetectionListener.onMessage(IgniteTxManager.java:2525)
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)
On Wed, Mar 8, 2017 at 12:32 AM, bintisepaha <binti.sep...@tudor.com> wrote:
> Could you please tell us what the logs would say if there was a deadlock?
> we rollback the txn on any exception explicitly.
>
> We are running 1.8 in UAT environment this week. It is not a simple upgrade
> to production, we need to let it burn in. But in UAT we never saw this issue
> with 1.7 either. It already happened in production, so far 3 times.
>
>
>
> --
> View this message in context:
> http://apache-ignite-users.70518.x6.nabble.com/Pessimistic-TXN-did-not-release-lock-on-a-key-all-subsequent-txns-failed-tp10536p11064.html
> Sent from the Apache Ignite Users mailing list archive at Nabble.com.
