Thought you may have re-created the schema. Kill the process like that should be ok, let us know if you get the error again.
Aaron On 29 Apr 2011, at 02:56, Subscriber wrote: > Hi Aaron, > > what exactly do you mean? > I restarted the cluster by calling > > > bin/cassandra -p pid.file > > on all three nodes. The first node is the (only) seed. > > Udo > > > Am 27.04.2011 um 23:28 schrieb Aaron Morton: > >> What approach did you take to restarting the cluster? >> >> It looks like the keyspace name was changed and the log replay tried to >> write to the old one. >> >> Aaron >> >> On 28/04/2011, at 12:03 AM, Subscriber <subscri...@zfabrik.de> wrote: >> >>> Hi again, >>> >>> some more remarks. >>> I renamed the commitlog directory on the third node so that cassandra >>> cannot see it on startup. >>> Now the node starts fine. The problem seems to have something to do with >>> the commitlogs... >>> >>> Best Regards >>> Udo >>> >>> >>> Am 27.04.2011 um 13:22 schrieb Subscriber: >>> >>>> Hi, >>>> >>>> I'm using Cassandra 0.7.4 on a three node cluster. The cluster was setup >>>> yesterday as a fresh installation (no upgrade). >>>> The cluster is installed beside a hadoop cluster (I want to discover how >>>> cassandra works together with hadoop's map/reduce feature). >>>> >>>> After loading some test data into the cassandra cluster (some text-files >>>> for a first wordcount m/r example ;-) I killed all nodes and restarted the >>>> cluster. >>>> Two nodes are starting fine but the third node doesn't start and throws a >>>> NullPointerException: >>>> >>>> INFO 12:44:42,557 Finished reading >>>> /home/.../cassandra/work/commitlog/CommitLog-1303828029742.log >>>> ERROR 12:44:42,558 Exception encountered during startup. >>>> java.lang.NullPointerException >>>> at >>>> org.apache.cassandra.db.Table.createReplicationStrategy(Table.java:275) >>>> at org.apache.cassandra.db.Table.<init>(Table.java:221) >>>> at org.apache.cassandra.db.Table.open(Table.java:110) >>>> at >>>> org.apache.cassandra.db.commitlog.CommitLog.recover(CommitLog.java:273) >>>> at >>>> org.apache.cassandra.db.commitlog.CommitLog.recover(CommitLog.java:156) >>>> at >>>> org.apache.cassandra.service.AbstractCassandraDaemon.setup(AbstractCassandraDaemon.java:173) >>>> at >>>> org.apache.cassandra.service.AbstractCassandraDaemon.activate(AbstractCassandraDaemon.java:314) >>>> at >>>> org.apache.cassandra.thrift.CassandraDaemon.main(CassandraDaemon.java:79) >>>> Exception encountered during startup. >>>> >>>> This looks pretty much the same as issue >>>> https://issues.apache.org/jira/browse/CASSANDRA-1889 which is in >>>> resolution "cannot reproduce". >>>> >>>> What can I do to make the node starting again? >>>> >>>> Thanks in advance and best regards >>>> Udo >>> >
