Looks like a ZooKeeper bug - maybe try the ZK user list? -Todd
On Wed, Oct 27, 2010 at 12:13 PM, Gangl, Michael E (388K) < [email protected]> wrote: > I'm running: > > hbase-0.20.6 > zookeeper-3.2.2 > hadoop-0.20.2 > > Everything on a single machine as I'm testing out some M/R -> hbase code > and everything on that front is working fine. After a period of inactivity, > however, my log was flooded (millions) of the same 'WARN' message below. Any > ideas on this? I couldn't find this issue anywhere else, and am wondering > how to prevent it or stop the flooding of information (other than turning > the logging off or to a higher level). > > Thanks in advance > > Mike > > > log: > > 2010-10-27 11:43:02,022 - WARN > [NIOServerCxn.Factory:2181:nioserverc...@518] - Exception causing close > of session 0x0 due to java.io.IOException: Read error > 2010-10-27 11:43:02,022 - INFO > [NIOServerCxn.Factory:2181:nioserverc...@857] - closing session:0x0 > NIOServerCnxn: java.nio.channels.SocketChannel[connected local=/ > 137.79.16.114:2181 remote=/137.78.237.31:43731] > 2010-10-27 11:43:02,025 - WARN > [NIOServerCxn.Factory:2181:nioserverc...@518] - Exception causing close > of session 0x0 due to java.io.IOException: Read error > 2010-10-27 11:43:02,025 - INFO > [NIOServerCxn.Factory:2181:nioserverc...@857] - closing session:0x0 > NIOServerCnxn: java.nio.channels.SocketChannel[connected local=/ > 137.79.16.114:2181 remote=/137.78.237.31:35002] > 2010-10-27 11:43:53,218 - WARN > [NIOServerCxn.Factory:2181:nioserverc...@518] - Exception causing close > of session 0x0 due to java.io.IOException: Len error 1195725856 > 2010-10-27 11:43:53,218 - INFO > [NIOServerCxn.Factory:2181:nioserverc...@857] - closing session:0x0 > NIOServerCnxn: java.nio.channels.SocketChannel[connected local=/ > 137.79.16.114:2181 remote=/137.78.237.31:39252] > 2010-10-27 11:44:15,496 - WARN > [NIOServerCxn.Factory:2181:nioserverc...@518] - Exception causing close > of session 0x0 due to java.io.IOException: Len error 1212501072 > 2010-10-27 11:44:15,496 - INFO > [NIOServerCxn.Factory:2181:nioserverc...@857] - closing session:0x0 > NIOServerCnxn: java.nio.channels.SocketChannel[connected local=/ > 137.79.16.114:2181 remote=/137.78.237.31:45169] > 2010-10-27 11:44:59,654 - WARN > [NIOServerCxn.Factory:2181:nioservercnxn$fact...@249] - Ignoring > exception > java.net.SocketException: Invalid argument > at sun.nio.ch.Net.setIntOption0(Native Method) > at sun.nio.ch.Net.setIntOption(Net.java:157) > at sun.nio.ch.SocketChannelImpl$1.setInt(SocketChannelImpl.java:406) > at sun.nio.ch.SocketOptsImpl.setBoolean(SocketOptsImpl.java:38) > at sun.nio.ch.SocketOptsImpl$IP$TCP.noDelay(SocketOptsImpl.java:284) > at sun.nio.ch.OptionAdaptor.setTcpNoDelay(OptionAdaptor.java:48) > at sun.nio.ch.SocketAdaptor.setTcpNoDelay(SocketAdaptor.java:268) > at > org.apache.zookeeper.server.NIOServerCnxn.<init>(NIOServerCnxn.java:810) > at > org.apache.zookeeper.server.NIOServerCnxn$Factory.createConnection(NIOServerCnxn.java:199) > at > org.apache.zookeeper.server.NIOServerCnxn$Factory.run(NIOServerCnxn.java:233) > 2010-10-27 11:44:59,655 - WARN > [NIOServerCxn.Factory:2181:nioservercnxn$fact...@249] - Ignoring > exception > java.lang.NullPointerException > at > org.apache.zookeeper.server.NIOServerCnxn$Factory.run(NIOServerCnxn.java:223) > 2010-10-27 11:44:59,655 - WARN > [NIOServerCxn.Factory:2181:nioservercnxn$fact...@249] - Ignoring > exception > java.lang.NullPointerException > at > org.apache.zookeeper.server.NIOServerCnxn$Factory.run(NIOServerCnxn.java:239) > 2010-10-27 11:44:59,655 - WARN > [NIOServerCxn.Factory:2181:nioservercnxn$fact...@249] - Ignoring > exception > java.lang.NullPointerException > at > org.apache.zookeeper.server.NIOServerCnxn$Factory.run(NIOServerCnxn.java:223) > 2010-10-27 11:44:59,656 - WARN > [NIOServerCxn.Factory:2181:nioservercnxn$fact...@249] - Ignoring > exception > java.lang.NullPointerException > at > org.apache.zookeeper.server.NIOServerCnxn$Factory.run(NIOServerCnxn.java:223) > 2010-10-27 11:44:59,656 - WARN > [NIOServerCxn.Factory:2181:nioservercnxn$fact...@249] - Ignoring > exception > java.lang.NullPointerException > at > org.apache.zookeeper.server.NIOServerCnxn$Factory.run(NIOServerCnxn.java:239) > 2010-10-27 11:44:59,656 - WARN > [NIOServerCxn.Factory:2181:nioservercnxn$fact...@249] - Ignoring > exception > java.lang.NullPointerException > > And this continues for as long as I let it. Millions of messages. > > -- Todd Lipcon Software Engineer, Cloudera
