java.lang.Exception: Deadlock

db-derby-dev | Karl Wright (JIRA) | 4 years ago
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    Root Cause Analysis

    1. java.sql.SQLException

      A lock could not be obtained due to a deadlock, cycle of locks and waiters is: Lock : ROW, JOBQUEUE, (1,28) Waiting XID : {719, U} , APP, SELECT id,status,checktime FROM jobqueue WHERE dochash=? AND jobid=? FOR UPDATE Granted XID : {717, X} Lock : ROW, JOBQUEUE, (1,29) Waiting XID : {717, U} , APP, SELECT id,status,checktime FROM jobqueue WHERE dochash=? AND jobid=? FOR UPDATE Granted XID : {718, X} Lock : ROW, JOBQUEUE, (1,28) Waiting XID : {718, U} , APP, SELECT id,status,checktime FROM jobqueue WHERE dochash=? AND jobid=? FOR UPDATE Lock : ROW, JOBQUEUE, (1,28) Waiting XID : {725, U} , APP, SELECT id,status,checktime FROM jobqueue WHERE dochash=? AND jobid=? FOR UPDATE Lock : ROW, JOBQUEUE, (1,28) Waiting XID : {723, U} , APP, SELECT id,status,checktime FROM jobqueue WHERE dochash=? AND jobid=? FOR UPDATE Lock : ROW, JOBQUEUE, (1,28) Waiting XID : {722, U} , APP, SELECT id,status,checktime FROM jobqueue WHERE dochash=? AND jobid=? FOR UPDATE Lock : ROW, JOBQUEUE, (1,28) Waiting XID : {724, U} , APP, SELECT id,status,checktime FROM jobqueue WHERE dochash=? AND jobid=? FOR UPDATE Lock : ROW, JOBQUEUE, (1,28) Waiting XID : {721, U} , APP, SELECT id,status,checktime FROM jobqueue WHERE dochash=? AND jobid=? FOR UPDATE . The selected victim is XID : 719.

      at org.apache.derby.impl.jdbc.SQLExceptionFactory.getSQLException()
    2. Derby
      EmbedResultSet.next
      1. org.apache.derby.impl.jdbc.SQLExceptionFactory.getSQLException(Unknown Source)
      2. org.apache.derby.impl.jdbc.SQLExceptionFactory40.wrapArgsForTransportAcrossDRDA(Unknown Source)
      3. org.apache.derby.impl.jdbc.SQLExceptionFactory40.getSQLException(Unknown Source)
      4. org.apache.derby.impl.jdbc.Util.generateCsSQLException(Unknown Source)
      5. org.apache.derby.impl.jdbc.TransactionResourceImpl.wrapInSQLException(Unknown Source)
      6. org.apache.derby.impl.jdbc.TransactionResourceImpl.handleException(Unknown Source)
      7. org.apache.derby.impl.jdbc.EmbedConnection.handleException(Unknown Source)
      8. org.apache.derby.impl.jdbc.ConnectionChild.handleException(Unknown Source)
      9. org.apache.derby.impl.jdbc.EmbedResultSet.closeOnTransactionError(Unknown Source)
      10. org.apache.derby.impl.jdbc.EmbedResultSet.movePosition(Unknown Source)
      11. org.apache.derby.impl.jdbc.EmbedResultSet.next(Unknown Source)
      11 frames
    3. org.apache.manifoldcf
      Database$ExecuteQueryThread.run
      1. org.apache.manifoldcf.core.database.Database.getData(Database.java:948)
      2. org.apache.manifoldcf.core.database.Database.execute(Database.java:866)
      3. org.apache.manifoldcf.core.database.Database$ExecuteQueryThread.run(Database.java:677)
      3 frames