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From B R <software.research.w...@gmail.com>
Subject Re: EOFException after upgrading to 0.5.0
Date Mon, 01 Feb 2010 11:46:23 GMT
Thanks for your reply.

The issues have been solved.

~B

On Thu, Jan 28, 2010 at 7:30 PM, Jonathan Ellis <jbellis@gmail.com> wrote:

> please read NEWS.txt, both of your problems are covered there (flush
> your commitlog, and don't mix  0.4 and 0.5 nodes in the same cluster)
>
> On Thu, Jan 28, 2010 at 6:44 AM, B R <software.research.work@gmail.com>
> wrote:
> > Hi guys,
> >
> > We are in the process of upgrading from Cassandra 0.4.2 to 0.5.0 The
> first
> > issue I faced was :
> >
> > java.lang.OutOfMemoryError: Java heap space
> >  at org.apache.cassandra.db.CommitLog.recover(CommitLog.java:318)
> >  at
> >
> org.apache.cassandra.db.RecoveryManager.doRecovery(RecoveryManager.java:65)
> >  at
> >
> org.apache.cassandra.service.CassandraDaemon.setup(CassandraDaemon.java:90)
> >  at
> >
> org.apache.cassandra.service.CassandraDaemon.main(CassandraDaemon.java:166)
> >
> > After search the mailing lists, I found that it was because of an issue
> with
> > commit log format. After creating a new file, I could proceed to run a
> test
> > sample to insert and read back data. There are no problems with the
> > application, but in the system log, I have come across hundreds of
> entries
> > of the following type.
> >
> > WARN [UDP Selector Manager] 2010-01-28 18:02:02,828 UdpConnection.java
> (line
> > 152) Exception was generated at : 01/28/2010 18:02:02 on thread UDP
> Selector
> > Manager
> >
> > java.io.EOFException
> >    at java.io.DataInputStream.readFully(DataInputStream.java:180)
> >    at java.io.DataInputStream.readUTF(DataInputStream.java:592)
> >    at java.io.DataInputStream.readUTF(DataInputStream.java:547)
> >    at
> > org.apache.cassandra.net.HeaderSerializer.deserialize(Header.java:160)
> >    at
> > org.apache.cassandra.net.HeaderSerializer.deserialize(Header.java:133)
> >    at
> > org.apache.cassandra.net.MessageSerializer.deserialize(Message.java:156)
> >    at
> > org.apache.cassandra.net.MessageSerializer.deserialize(Message.java:144)
> >    at org.apache.cassandra.net.UdpConnection.read(UdpConnection.java:143)
> >    at
> >
> org.apache.cassandra.net.SelectorManager.doProcess(SelectorManager.java:149)
> >    at
> > org.apache.cassandra.net.SelectorManager.run(SelectorManager.java:107)
> >
> > Please suggest what could be the reason for this ?
> >
> > Thanks,
> >
> > ~B
> >
>

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