Thank you for your response, we have updated datastax driver to 3.1.0 using V3 protocol, i think there are still some webapp that still using the 2.1.6 java driver..we will upgrade them....but we noticed strange things, on web apps upgraded to 3.1.0 some queries return zero results even if data exists, I can see it with cqlsh
2016-08-10 20:48 GMT+02:00 Tyler Hobbs <ty...@datastax.com>: > That just means that a client/driver disconnected. Those log messages are > supposed to be suppressed, but perhaps that stopped working in 3.x due to > another change. > > On Wed, Aug 10, 2016 at 10:33 AM, Adil <adil.cha...@gmail.com> wrote: > >> Hi guys, >> We have migrated our cluster (5 nodes in DC1 and 5 nodes in DC2) from >> cassandra 2.1.2 to 3.0.8, all seems fine, executing nodetool status shows >> all nodes UN, but in each node's log there is this log error continuously: >> java.io.IOException: Error while read(...): Connection reset by peer >> at io.netty.channel.epoll.Native.readAddress(Native Method) >> ~[netty-all-4.0.23.Final.jar:4.0.23.Final] >> at io.netty.channel.epoll.EpollSocketChannel$EpollSocketUnsafe. >> doReadBytes(EpollSocketChannel.java:675) ~[netty-all-4.0.23.Final.jar:4 >> .0.23.Final] >> at io.netty.channel.epoll.EpollSocketChannel$EpollSocketUnsafe. >> epollInReady(EpollSocketChannel.java:714) ~[netty-all-4.0.23.Final.jar:4 >> .0.23.Final] >> at >> io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:326) >> ~[netty-all-4.0.23.Final.jar:4.0.23.Final] >> at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:264) >> ~[netty-all-4.0.23.Final.jar:4.0.23.Final] >> at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(Sin >> gleThreadEventExecutor.java:116) ~[netty-all-4.0.23.Final.jar:4 >> .0.23.Final] >> at io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnabl >> eDecorator.run(DefaultThreadFactory.java:137) >> ~[netty-all-4.0.23.Final.jar:4.0.23.Final] >> at java.lang.Thread.run(Thread.java:745) [na:1.8.0_101] >> >> we have installed java-8_101 >> >> anya idea what woud be the problem? >> >> thanks >> >> Adil >> does anyone >> >> > > > -- > Tyler Hobbs > DataStax <http://datastax.com/> >
