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Jonathan Ellis commented on CASSANDRA-3954: ------------------------------------------- Sounds like you changed your cluster's partitioner. That's not supported. > Exceptions during start up after schema disagreement > ---------------------------------------------------- > > Key: CASSANDRA-3954 > URL: https://issues.apache.org/jira/browse/CASSANDRA-3954 > Project: Cassandra > Issue Type: Bug > Reporter: Mariusz > > Hi, > i`ve got schema disaggreement after dropping down keyspace, > i`ve switched off one nodes in cluster, after starting i`ve got bunch of > these exceptions: > {code} > ERROR [SSTableBatchOpen:1] 2012-02-24 14:21:00,759 > AbstractCassandraDaemon.java (line 134) Fatal exception in thread > Thread[SSTableBatchOpen:1,5,main] > java.lang.ClassCastException: java.math.BigInteger cannot be cast to > java.nio.ByteBuffer > at org.apache.cassandra.db.marshal.UTF8Type.compare(UTF8Type.java:27) > at org.apache.cassandra.dht.LocalToken.compareTo(LocalToken.java:45) > at > org.apache.cassandra.db.DecoratedKey.compareTo(DecoratedKey.java:89) > at > org.apache.cassandra.db.DecoratedKey.compareTo(DecoratedKey.java:38) > at java.util.TreeMap.getEntry(TreeMap.java:328) > at java.util.TreeMap.containsKey(TreeMap.java:209) > at java.util.TreeSet.contains(TreeSet.java:217) > at > org.apache.cassandra.io.sstable.SSTableReader.load(SSTableReader.java:393) > at > org.apache.cassandra.io.sstable.SSTableReader.open(SSTableReader.java:189) > at > org.apache.cassandra.io.sstable.SSTableReader$1.run(SSTableReader.java:227) > at > java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441) > at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303) > at java.util.concurrent.FutureTask.run(FutureTask.java:138) > at > java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) > at java.lang.Thread.run(Thread.java:662) > {code} > and this one on the end of start up: > {code} > ERROR [MigrationStage:1] 2012-02-24 14:37:22,750 AbstractCassandraDaemon.java > (line 134) Fatal exception in thread Thread[MigrationStage:1,5,main] > java.lang.NullPointerException > at > org.apache.cassandra.db.migration.MigrationHelper.addColumnFamily(MigrationHelper.java:282) > at > org.apache.cassandra.db.migration.MigrationHelper.addColumnFamily(MigrationHelper.java:216) > at > org.apache.cassandra.db.DefsTable.mergeColumnFamilies(DefsTable.java:330) > at > org.apache.cassandra.db.DefsTable.mergeRemoteSchema(DefsTable.java:240) > at > org.apache.cassandra.service.MigrationManager$1.runMayThrow(MigrationManager.java:124) > at > org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:30) > at > java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441) > at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303) > at java.util.concurrent.FutureTask.run(FutureTask.java:138) > at > java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) > at java.lang.Thread.run(Thread.java:662) > {code} > Any ideas why they`ve appeared? -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira