Thanks for your reply. The issues have been solved.
~B On Thu, Jan 28, 2010 at 7:30 PM, Jonathan Ellis <jbel...@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.w...@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 > > >