com.thinkaurelius.titan.core.TitanException

Could not execute operation due to backend exception

Samebug tips0

There are no available Samebug tips for this exception. If you know how to solve this issue, help other users by writing a short tip.

Don't give up yet. Paste your full stack trace to get a solution.

Solutions on the web186

  • Could not execute operation due to backend exception
  • Could not execute operation due to backend exception
  • via Google Groups by ravi kumar, 1 year ago
    Could not execute operation due to backend exception
  • Stack trace

    • com.thinkaurelius.titan.core.TitanException: Could not execute operation due to backend exception at com.thinkaurelius.titan.diskstorage.util.BackendOperation.execute(BackendOperation.java:44) at com.thinkaurelius.titan.diskstorage.keycolumnvalue.cache.CacheTransaction.persist(CacheTransaction.java:87) at com.thinkaurelius.titan.diskstorage.keycolumnvalue.cache.CacheTransaction.flushInternal(CacheTransaction.java:141) at com.thinkaurelius.titan.diskstorage.keycolumnvalue.cache.CacheTransaction.commit(CacheTransaction.java:198) at com.thinkaurelius.titan.diskstorage.BackendTransaction.commit(BackendTransaction.java:135) at com.thinkaurelius.titan.graphdb.database.StandardTitanGraph.commit(StandardTitanGraph.java:692) at com.thinkaurelius.titan.graphdb.transaction.StandardTitanTx.commit(StandardTitanTx.java:1352) at com.thinkaurelius.titan.graphdb.tinkerpop.TitanBlueprintsTransaction$1.commit(TitanBlueprintsTransaction.java:172) at org.apache.tinkerpop.gremlin.structure.Transaction$CLOSE_BEHAVIOR$1.accept(Transaction.java:174) at org.apache.tinkerpop.gremlin.structure.Transaction$CLOSE_BEHAVIOR$1.accept(Transaction.java:171) at com.thinkaurelius.titan.graphdb.tinkerpop.TitanBlueprintsGraph$GraphTransaction.close(TitanBlueprintsGraph.java:288) at com.thinkaurelius.titan.graphdb.tinkerpop.TitanBlueprintsTransaction$1.close(TitanBlueprintsTransaction.java:203) at com.thinkaurelius.titan.graphdb.tinkerpop.TitanBlueprintsTransaction.close(TitanBlueprintsTransaction.java:235) at com.thinkaurelius.titan.graphdb.database.StandardTitanGraph.closeInternal(StandardTitanGraph.java:202) at com.thinkaurelius.titan.graphdb.database.StandardTitanGraph.close(StandardTitanGraph.java:173) at com.app.main.StartIndexer.main(StartIndexer.java:41) Caused by: com.thinkaurelius.titan.diskstorage.locking.PermanentLockingException: Expected value mismatch for KeyColumn [k=0x 16-165-160-114-116- 30- 95-115-117- 98- 84- 97-103- 79-102-223, c=0x 0]: expected=[] vs actual=[ 4- 64-149] (store=graphindex) at com.thinkaurelius.titan.diskstorage.locking.consistentkey.ExpectedValueCheckingTransaction.checkSingleExpectedValueUnsafe(ExpectedValueCheckingTransaction.java:275) at com.thinkaurelius.titan.diskstorage.locking.consistentkey.ExpectedValueCheckingTransaction.access$000(ExpectedValueCheckingTransaction.java:36) at com.thinkaurelius.titan.diskstorage.locking.consistentkey.ExpectedValueCheckingTransaction$1.call(ExpectedValueCheckingTransaction.java:213) at com.thinkaurelius.titan.diskstorage.locking.consistentkey.ExpectedValueCheckingTransaction$1.call(ExpectedValueCheckingTransaction.java:210) at com.thinkaurelius.titan.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:56) at com.thinkaurelius.titan.diskstorage.locking.consistentkey.ExpectedValueCheckingTransaction.checkSingleExpectedValue(ExpectedValueCheckingTransaction.java:210) at com.thinkaurelius.titan.diskstorage.locking.consistentkey.ExpectedValueCheckingTransaction.checkAllExpectedValues(ExpectedValueCheckingTransaction.java:179) at com.thinkaurelius.titan.diskstorage.locking.consistentkey.ExpectedValueCheckingTransaction.prepareForMutations(ExpectedValueCheckingTransaction.java:144) at com.thinkaurelius.titan.diskstorage.locking.consistentkey.ExpectedValueCheckingStoreManager.mutateMany(ExpectedValueCheckingStoreManager.java:58) at com.thinkaurelius.titan.diskstorage.keycolumnvalue.cache.CacheTransaction$1.call(CacheTransaction.java:90) at com.thinkaurelius.titan.diskstorage.keycolumnvalue.cache.CacheTransaction$1.call(CacheTransaction.java:87) at com.thinkaurelius.titan.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:56) at com.thinkaurelius.titan.diskstorage.util.BackendOperation.execute(BackendOperation.java:42) ... 15 more

    Write tip

    You have a different solution? A short tip here would help you and many other users who saw this issue last week.

    Users with the same issue

    Unknown user
    Once, 3 weeks ago
    Unknown user
    3 times, 1 year ago