Hi I have a setup of 4 nodes, whenever I am restarting any of the nodes, even after deleting the data directories and commit log I get the following error
ERROR 18:46:41,296 Fatal exception in thread Thread[COMMIT-LOG-WRITER,5,main] java.lang.RuntimeException: java.lang.NullPointerException at org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:34) at java.lang.Thread.run(Thread.java:636) Caused by: java.lang.NullPointerException at org.apache.cassandra.db.Table$TableMetadata.getColumnFamilyId(Table.java:131) at org.apache.cassandra.db.Table.getColumnFamilyId(Table.java:364) at org.apache.cassandra.db.commitlog.CommitLogSegment.write(CommitLogSegment.java:103) at org.apache.cassandra.db.commitlog.CommitLog$LogRecordAdder.run(CommitLog.java:475) at org.apache.cassandra.db.commitlog.PeriodicCommitLogExecutorService$1.runMayThrow(PeriodicCommitLogExecutorService.java:52) at org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:30) ... 1 more ERROR 18:46:41,297 Error in ThreadPoolExecutor java.lang.NullPointerException at org.apache.cassandra.db.Table.apply(Table.java:407) at org.apache.cassandra.db.RowMutationVerbHandler.doVerb(RowMutationVerbHandler.java:68) at org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:40) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603) at java.lang.Thread.run(Thread.java:636) ERROR 18:46:41,299 Fatal exception in thread Thread[ROW-MUTATION-STAGE:5,5,main] java.lang.NullPointerException at org.apache.cassandra.db.Table.apply(Table.java:407) at org.apache.cassandra.db.RowMutationVerbHandler.doVerb(RowMutationVerbHandler.java:68) at org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:40) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603) at java.lang.Thread.run(Thread.java:636) ERROR 18:46:51,309 Error in ThreadPoolExecutor java.lang.NullPointerException at org.apache.cassandra.db.Table.apply(Table.java:407) at org.apache.cassandra.db.RowMutationVerbHandler.doVerb(RowMutationVerbHandler.java:68) at org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:40) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603) at java.lang.Thread.run(Thread.java:636) ERROR 18:46:51,310 Fatal exception in thread Thread[ROW-MUTATION-STAGE:6,5,main] Kindly suggest what can be the reason for this error. _______________________________________ VD _______________________________________ Let your email find you....