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Date: Fri, 16 Apr 2010 16:47:25 -0400 (EDT)
From: "Ted Zlatanov (JIRA)" <jira@apache.org>
To: commits@cassandra.apache.org
Subject: [jira] Reopened: (CASSANDRA-995) restarting node crashes with NPE
 when, while replaying the commitlog, the cfMetaData is requested
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     [ https://issues.apache.org/jira/browse/CASSANDRA-995?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ted Zlatanov reopened CASSANDRA-995:
------------------------------------


I wouldn't report it as a bug if it wasn't on a commitlog written by the same version of the software.  All the steps (1,2,3) are on the same SVN revision I stated in the Environment section.

> restarting node crashes with NPE when, while replaying the commitlog, the cfMetaData is requested
> -------------------------------------------------------------------------------------------------
>
>                 Key: CASSANDRA-995
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-995
>             Project: Cassandra
>          Issue Type: Bug
>    Affects Versions: 0.7
>         Environment: SVN rev 935070
>            Reporter: Ted Zlatanov
>
> Removing the commitlog directory completely fixes this.   I can reliably reproduce it by 1) starting and configuring a schema with one keyspace, one super CF with LongType supercolumns; 2) inserting data; 3) shutting down and restarting the node.
> Here's my schema expressed in cassidy.pl, should be obvious what the parameters are:
> ./cassidy.pl -server X -port Y -keyspace system 'kdefine test org.apache.cassandra.locator.RackUnawareStrategy 2 org.apache.cassandra.locator.EndPointSnitch'
> ./cassidy.pl -server X -port Y -keyspace test 'fdefine Status Super LongType BytesType comment=statuschanges,row_cache_size=0,key_cache_size=20000'
> The problem seems to be related to CASSANDRA-44 as it happens when the CF metadata is requested but I don't know what's causing it.
> 10/04/16 15:25:11 INFO commitlog.CommitLog: Replaying /home/cassandra/commitlog/CommitLog-1271449410100.log, /home/cassandra/commitlog/CommitLog-1271449378151.log, /home/cassandra/commitlog/CommitLog-1271449415800.log
> java.lang.reflect.InvocationTargetException
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>         at java.lang.reflect.Method.invoke(Method.java:597)
>         at org.apache.commons.daemon.support.DaemonLoader.load(DaemonLoader.java:160)
> Caused by: java.lang.NullPointerException
>         at org.apache.cassandra.db.Table.<init>(Table.java:261)
>         at org.apache.cassandra.db.Table.open(Table.java:102)
>         at org.apache.cassandra.db.commitlog.CommitLog.recover(CommitLog.java:233)
>         at org.apache.cassandra.db.commitlog.CommitLog.recover(CommitLog.java:172)
>         at org.apache.cassandra.thrift.CassandraDaemon.setup(CassandraDaemon.java:104)
>         at org.apache.cassandra.thrift.CassandraDaemon.init(CassandraDaemon.java:151)
>         ... 5 more

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