Does anyone have solve the problem?I encounter the same error too.

On Mon, Mar 29, 2010 at 12:12 AM, Benoit Perroud <benoit@noisette.ch> wrote:
I got the same error when the nodes are using lot of I/O, i.e during compaction.

2010/3/28 Eric Yu <sucode@gmail.com>:
> I have not restart my nodes.
> OK, may be I should give 0.6 a try.
>
> On Sun, Mar 28, 2010 at 9:53 AM, Jonathan Ellis <jbellis@gmail.com> wrote:
>>
>> It means that a MessagingService socket closed unexpectedly.  If
>> you're starting and restarting nodes that could cause it.
>>
>> This code is obsolete in 0.6 anyway.
>>
>> On Sat, Mar 27, 2010 at 8:51 PM, Eric Yu <sucode@gmail.com> wrote:
>> > And one more clue here, when ReplicateFactor is 1, it's OK, after
>> > changed to
>> > 2, the exception occurred.
>> >
>> > On Sun, Mar 28, 2010 at 9:46 AM, Eric Yu <sucode@gmail.com> wrote:
>> >>
>> >> Hi Jonathan,
>> >>
>> >> I upgraded my jdk to latest version, and I am sure I start Cassandra
>> >> with
>> >> it (set JAVA_HOME in cassansra.in.sh).
>> >> But the exception still there, any idea?
>> >>
>> >> On Sun, Mar 28, 2010 at 12:02 AM, Jonathan Ellis <jbellis@gmail.com>
>> >> wrote:
>> >>>
>> >>> This means you need to upgrade your jdk to build 18 or later
>> >>>
>> >>> On Sat, Mar 27, 2010 at 10:55 AM, Eric Yu <sucode@gmail.com> wrote:
>> >>> > Hi, list
>> >>> > I got this exception when insert into a cluster with 5 node, is this
>> >>> > a
>> >>> > bug
>> >>> > or something else is wrong.
>> >>> >
>> >>> > here is the system log:
>> >>> >
>> >>> >  INFO [GMFD:1] 2010-03-27 23:15:16,145 Gossiper.java (line 543)
>> >>> > InetAddress
>> >>> > /172.19.15.210 is now UP
>> >>> > ERROR [Timer-1] 2010-03-27 23:23:27,739 TcpConnection.java (line
>> >>> > 308)
>> >>> > Closing down connection java.nio.channels.SocketChannel[connected
>> >>> > local=/172.19.15.209:58261 remote=/172.19.15.210:7000] with 342218
>> >>> > writes
>> >>> > remaining.
>> >>> >  INFO [Timer-1] 2010-03-27 23:23:27,792 Gossiper.java (line 194)
>> >>> > InetAddress
>> >>> > /172.19.15.210 is now dead.
>> >>> >  INFO [GMFD:1] 2010-03-27 23:23:32,214 Gossiper.java (line 543)
>> >>> > InetAddress
>> >>> > /172.19.15.210 is now UP
>> >>> > ERROR [Timer-1] 2010-03-27 23:24:47,846 TcpConnection.java (line
>> >>> > 308)
>> >>> > Closing down connection java.nio.channels.SocketChannel[connected
>> >>> > local=/172.19.15.209:59801 remote=/172.19.15.210:7000] with 256285
>> >>> > writes
>> >>> > remaining.
>> >>> >  INFO [Timer-1] 2010-03-27 23:24:47,846 Gossiper.java (line 194)
>> >>> > InetAddress
>> >>> > /172.19.15.210 is now dead.
>> >>> >  WARN [MESSAGING-SERVICE-POOL:1] 2010-03-27 23:25:05,580
>> >>> > TcpConnection.java
>> >>> > (line 484) Problem reading from socket connected to :
>> >>> > java.nio.channels.SocketChannel[connected local=/172.19.15.209:7000
>> >>> > remote=/172.19.15.210:55473]
>> >>> >  INFO [GMFD:1] 2010-03-27 23:25:05,580 Gossiper.java (line 543)
>> >>> > InetAddress
>> >>> > /172.19.15.210 is now UP
>> >>> >  WARN [MESSAGING-SERVICE-POOL:2] 2010-03-27 23:25:05,580
>> >>> > TcpConnection.java
>> >>> > (line 484) Problem reading from socket connected to :
>> >>> > java.nio.channels.SocketChannel[connected local=/172.19.15.209:7000
>> >>> > remote=/172.19.15.210:45504]
>> >>> >  WARN [MESSAGING-SERVICE-POOL:2] 2010-03-27 23:25:05,580
>> >>> > TcpConnection.java
>> >>> > (line 485) Exception was generated at : 03/27/2010 23:25:05 on
>> >>> > thread
>> >>> > MESSAGING-SERVICE-POOL:2
>> >>> > Reached an EOL or something bizzare occured. Reading from:
>> >>> > /172.19.15.210
>> >>> > BufferSizeRemaining: 16
>> >>> > java.io.IOException: Reached an EOL or something bizzare occured.
>> >>> > Reading
>> >>> > from: /172.19.15.210 BufferSizeRemaining: 16
>> >>> >         at
>> >>> > org.apache.cassandra.net.io.StartState.doRead(StartState.java:44)
>> >>> >         at
>> >>> >
>> >>> > org.apache.cassandra.net.io.ProtocolState.read(ProtocolState.java:39)
>> >>> >         at
>> >>> > org.apache.cassandra.net.io.TcpReader.read(TcpReader.java:95)
>> >>> >         at
>> >>> >
>> >>> >
>> >>> > org.apache.cassandra.net.TcpConnection$ReadWorkItem.run(TcpConnection.java:445)
>> >>> >         at
>> >>> >
>> >>> >
>> >>> > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
>> >>> >         at
>> >>> >
>> >>> >
>> >>> > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
>> >>> >         at java.lang.Thread.run(Thread.java:636)
>> >>> >
>> >>> >  INFO [MESSAGING-SERVICE-POOL:2] 2010-03-27 23:25:05,580
>> >>> > TcpConnection.java
>> >>> > (line 315) Closing errored connection
>> >>> > java.nio.channels.SocketChannel[connected local=/172.19.15.209:7000
>> >>> > remote=/172.19.15.210:45504]
>> >>> >  WARN [MESSAGING-SERVICE-POOL:1] 2010-03-27 23:25:05,632
>> >>> > TcpConnection.java
>> >>> > (line 485) Exception was generated at : 03/27/2010 23:25:05 on
>> >>> > thread
>> >>> > MESSAGING-SERVICE-POOL:1
>> >>> >
>> >>
>> >
>> >
>
>



--
Best Regards
Anty Rao