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Date: Tue, 27 Jul 2010 01:36:17 -0400 (EDT)
From: "Matthew F. Dennis (JIRA)" <jira@apache.org>
To: commits@cassandra.apache.org
Subject: [jira] Commented: (CASSANDRA-1274) Exception while recovering
 commitlog when debug logging enabled
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    [ https://issues.apache.org/jira/browse/CASSANDRA-1274?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12892653#action_12892653 ] 

Matthew F. Dennis commented on CASSANDRA-1274:
----------------------------------------------

Jon Hermes is correct, it has to be invalid UTF8 bytes to trigger this

> Exception while recovering commitlog when debug logging enabled
> ---------------------------------------------------------------
>
>                 Key: CASSANDRA-1274
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-1274
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 0.6
>            Reporter: Johan Oskarsson
>            Assignee: Matthew F. Dennis
>            Priority: Critical
>             Fix For: 0.6.4
>
>
> On a cluster with debug logging enabled the commit log fails to recover on start. An UTF8 exception is thrown when trying to toString a column from the system column family LocationInfo. That CF is using UTF8Type but I suspect the column name in this specific case is a byte representation of an ip address, and as such not a valid UTF8 string. That column is most perhaps created in SystemTable line 74.
> Full exception stack trace:
> ERROR [main] 2010-07-13 11:03:17,050 AbstractCassandraDaemon.java (line 107) Exception encountered during startup.
> org.apache.cassandra.db.marshal.MarshalException: invalid UTF8 bytes [10, -48, 40, -124]
>         at org.apache.cassandra.db.marshal.UTF8Type.getString(UTF8Type.java:43)
>         at org.apache.cassandra.db.Column.getString(Column.java:200)
>         at org.apache.cassandra.db.marshal.AbstractType.getColumnsString(AbstractType.java:85)
>         at org.apache.cassandra.db.ColumnFamily.toString(ColumnFamily.java:393)
>         at org.apache.commons.lang.ObjectUtils.toString(ObjectUtils.java:241)
>         at org.apache.commons.lang.StringUtils.join(StringUtils.java:3073)
>         at org.apache.commons.lang.StringUtils.join(StringUtils.java:3133)
>         at org.apache.cassandra.db.commitlog.CommitLog.recover(CommitLog.java:250)
>         at org.apache.cassandra.db.commitlog.CommitLog.recover(CommitLog.java:171)
>         at org.apache.cassandra.thrift.CassandraDaemon.setup(CassandraDaemon.java:120)
>         at org.apache.cassandra.service.AbstractCassandraDaemon.activate(AbstractCassandraDaemon.java:90)
>         at org.apache.cassandra.thrift.CassandraDaemon.main(CassandraDaemon.java:221)

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