Hi everyone, I'm running 10 cassandra nodes in total and updated 5 nodes from 0.7.0 to 0.7.2 one by one like below.
# sudo /etc/init.d/cassandra stop # sudo yum update cassandra-0.7.2-4 # sudo /etc/init.d/cassandra start After updating, those 5 updated nodes keep outputting error messages to /var/lib/cassandra/log/system.log every exactly 5 minutes. Do you have any idea about this error message? Thanks for your support. /var/lib/cassandra/log/system.log ------ ERROR [Thread-45] 2011-03-23 21:21:29,125 AbstractCassandraDaemon.java (line 114) Fatal exception in thread Thread[Thread-45,5,main] java.io.IOError: java.io.EOFException at org.apache.cassandra.net.IncomingTcpConnection.run(IncomingTcpConnection.java:73) Caused by: java.io.EOFException at java.io.DataInputStream.readInt(DataInputStream.java:375) at org.apache.cassandra.net.IncomingTcpConnection.run(IncomingTcpConnection.java:61) ERROR [Thread-51] 2011-03-23 21:26:29,227 AbstractCassandraDaemon.java (line 114) Fatal exception in thread Thread[Thread-51,5,main] java.io.IOError: java.io.EOFException at org.apache.cassandra.net.IncomingTcpConnection.run(IncomingTcpConnection.java:73) Caused by: java.io.EOFException at java.io.DataInputStream.readInt(DataInputStream.java:375) at org.apache.cassandra.net.IncomingTcpConnection.run(IncomingTcpConnection.java:61) ------ Best, Kazuo YAGI