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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
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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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