java.net.SocketException

tip

It's possible you're trying to write to a connection that's already closed. Another cause for this is that you closed the socket with unread data in the socket receive buffer.


rafael
tip

This might be caused by unmatching versions of SSL. Java starts normally with SSLv2 and your server might not be able to negotiate. You have to force Java to use SSLv3. See this comment: https://goo.gl/hx0YB3


rafael

You have a different solution? A short tip here would help you and many other users who saw this issue last week.

  • A large Fuse fabric installation runs on a collection of virtual machines. After an outage at the VM networking level, customer reports that the ensemble did not recover normal operation, and a complete restart of the installation was required. While I can't reproduce the customer's exact problem, I can reproduce what I believe is a very similar one. All that is needed is to create a 3-node ensemble on virtual machines, and suspend one of the VMs for some time, then wake it up. If I do container-list on the machine that was suspended, it fails completely -- the command does not exist. This is the expected result for a container does not consider itself part of a fabric. However the VM and the container are live, and there is network connectivity between the VMs. Looking at the logs for the container that gets resumed, I see a whole slew of zookeeper-related network exceptions. "java.lang.IllegalStateException: Client has been stopped" seems to be particularly relevant here. It does look as if there are some connection-related problems from which Zookeeper simply never recovers. {code} per.server.quorum.LearnerHandler 562 | 53 - io.fabric8.fabric-zookeeper - 1.0.0.redhat-379 | Unexpected exception causing shutdown while sock still open java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method)[:1.7.0_55] at java.net.SocketInputStream.read(SocketInputStream.java:152)[:1.7.0_55 orum.QuorumCnxManager$RecvWorker 762 | 53 - io.fabric8.fabric-zookeeper - 1.0.0.redhat-379 | Connection broken for id 1, my id = 2, error = java.net.SocketException: Connection reset at java.net.SocketInputStream.read(SocketInputStream.java:196)[:1.7.0_55] at java.net.SocketInputStream.read(SocketInputStream.java:122)[:1.7.0_55] 2014-05-15 18:56:02,521 | ERROR | ZooKeeperGroup-0 | ConnectionState | g.apache.curator.ConnectionState 194 | 53 - io.fabric8.fabric-zookeeper - 1.0.0.redhat-379 | Connection timed out for connection string (lars:2182,toot:2181,zoot:2181) and timeout (15000) / elapsed (15004) org.apache.curator.CuratorConnectionLossException: KeeperErrorCode = ConnectionLoss at org.apache.curator.ConnectionState.checkTimeouts(ConnectionState.java:191)[53:io.fabric8.fabric-zookeeper:1.0.0.redhat-379] at org.apache.curator.ConnectionState.getZooKeeper(ConnectionState.java:86)[53:io.fabric8.fabric-zookeeper:1.0.0.redhat-379] at org.apache.curator.CuratorZookeeperClient.getZooKeeper(CuratorZookeeperClient.java:116)[53:io.fabric8.fabric-zookeeper:1.0.0.redhat-379] at org.apache.curator.framework.imps.CuratorFrameworkImpl.getZooKeeper(CuratorFrameworkImpl.java:456)[53:io.fabric8.fabric-zookeeper:1.0.0.redhat-379] at org.apache.curator.framework.imps.GetChildrenBuilderImpl$3.call(GetChildrenBuilderImpl.java:214)[53:io.fabric8.fabric-zookeeper:1.0.0.redhat-379] at org.apache.curator.framework.imps.GetChildrenBuilderImpl$3.call(GetChildrenBuilderImpl.java:203)[53:io.fabric8.fabric-zookeeper:1.0.0.redhat-379] at org.apache.curator.RetryLoop.callWithRetry(RetryLoop.java:107)[53:io.fabric8.fabric-zookeeper:1.0.0.redhat-379] at ... 2014-05-15 18:57:12,460 | WARN | 0:0:0:0:0:0:2181 | Learner | zookeeper.server.quorum.Follower 89 | 53 - io.fabric8.fabric-zookeeper - 1.0.0.redhat-379 | Exception when following the leader java.net.SocketException: Connection reset at java.net.SocketInputStream.read(SocketInputStream.java:196)[:1.7.0_55] at java.net.SocketInputStream.read(SocketInputStream.java:122)[:1.7.0_55] at java.io.BufferedInputStream.fill(BufferedInputStream.java:235)[:1.7.0_55] 2014-05-15 18:57:12,520 | INFO | 0:0:0:0:0:0:2181 | Learner | zookeeper.server.quorum.Follower 166 | 53 - io.fabric8.fabric-zookeeper - 1.0.0.redhat-379 | shutdown called java.lang.Exception: shutdown Follower at org.apache.zookeeper.server.quorum.Follower.shutdown(Follower.java:166)[53:io.fabric8.fabric-zookeeper:1.0.0.redhat-379] at org.apache.zookeeper.server.quorum.QuorumPeer.run(QuorumPeer.java:744)[53:io.fabric8.fabric-zookeeper:1.0.0.redhat-379] 2014-05-15 19:05:31,695 | WARN | pool-61-thread-1 | GitDataStore | abric8.git.internal.GitDataStore 1208 | 85 - io.fabric8.fabric-git - 1.0.0.redhat-379 | Failed to perform a pull java.lang.IllegalStateException: Client has been stopped java.lang.IllegalStateException: Client has been stopped at com.google.common.base.Preconditions.checkState(Preconditions.java:150)[83:com.google.guava:15.0.0] at org.apache.curator.CuratorZookeeperClient.internalBlockUntilConnectedOrTimedOut(CuratorZookeeperClient.java:320)[53:io.fabric8.fabric-zookeeper:1.0.0.redhat-379] at org.apache.curator.RetryLoop.callWithRetry(RetryLoop.java:105)[53:io.fabric8.fabric-zookeeper:1.0.0.redhat-379] at org.apache.curator.framework.imps.SetDataBuilderImpl.pathInForeground(SetDataBuilderImpl.java:252)[53:io.fabric8.fabric-zookeeper:1.0.0.redhat-379] at org.apache.curator.framework.imps.SetDataBuilderImpl.forPath(SetDataBuilderImpl.java:239)[53:io.fabric8.fabric-zookeeper:1.0.0.redhat-379] at org.apache.curator.framework.imps.SetDataBuilderImpl.forPath(SetDataBuilderImpl.java:39)[53:io.fabric8.fabric-zookeeper:1.0.0.redhat-379] at io.fabric8.zookeeper.utils.ZooKeeperUtils.setData(ZooKeeperUtils.java:204)[53:io.fabric8.fabric-zookeeper:1.0.0.redhat-379] {code}
    via by Kevin Boone,
  • A large Fuse fabric installation runs on a collection of virtual machines. After an outage at the VM networking level, customer reports that the ensemble did not recover normal operation, and a complete restart of the installation was required. While I can't reproduce the customer's exact problem, I can reproduce what I believe is a very similar one. All that is needed is to create a 3-node ensemble on virtual machines, and suspend one of the VMs for some time, then wake it up. If I do container-list on the machine that was suspended, it fails completely -- the command does not exist. This is the expected result for a container does not consider itself part of a fabric. However the VM and the container are live, and there is network connectivity between the VMs. Looking at the logs for the container that gets resumed, I see a whole slew of zookeeper-related network exceptions. "java.lang.IllegalStateException: Client has been stopped" seems to be particularly relevant here. It does look as if there are some connection-related problems from which Zookeeper simply never recovers. {code} per.server.quorum.LearnerHandler 562 | 53 - io.fabric8.fabric-zookeeper - 1.0.0.redhat-379 | Unexpected exception causing shutdown while sock still open java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method)[:1.7.0_55] at java.net.SocketInputStream.read(SocketInputStream.java:152)[:1.7.0_55 orum.QuorumCnxManager$RecvWorker 762 | 53 - io.fabric8.fabric-zookeeper - 1.0.0.redhat-379 | Connection broken for id 1, my id = 2, error = java.net.SocketException: Connection reset at java.net.SocketInputStream.read(SocketInputStream.java:196)[:1.7.0_55] at java.net.SocketInputStream.read(SocketInputStream.java:122)[:1.7.0_55] 2014-05-15 18:56:02,521 | ERROR | ZooKeeperGroup-0 | ConnectionState | g.apache.curator.ConnectionState 194 | 53 - io.fabric8.fabric-zookeeper - 1.0.0.redhat-379 | Connection timed out for connection string (lars:2182,toot:2181,zoot:2181) and timeout (15000) / elapsed (15004) org.apache.curator.CuratorConnectionLossException: KeeperErrorCode = ConnectionLoss at org.apache.curator.ConnectionState.checkTimeouts(ConnectionState.java:191)[53:io.fabric8.fabric-zookeeper:1.0.0.redhat-379] at org.apache.curator.ConnectionState.getZooKeeper(ConnectionState.java:86)[53:io.fabric8.fabric-zookeeper:1.0.0.redhat-379] at org.apache.curator.CuratorZookeeperClient.getZooKeeper(CuratorZookeeperClient.java:116)[53:io.fabric8.fabric-zookeeper:1.0.0.redhat-379] at org.apache.curator.framework.imps.CuratorFrameworkImpl.getZooKeeper(CuratorFrameworkImpl.java:456)[53:io.fabric8.fabric-zookeeper:1.0.0.redhat-379] at org.apache.curator.framework.imps.GetChildrenBuilderImpl$3.call(GetChildrenBuilderImpl.java:214)[53:io.fabric8.fabric-zookeeper:1.0.0.redhat-379] at org.apache.curator.framework.imps.GetChildrenBuilderImpl$3.call(GetChildrenBuilderImpl.java:203)[53:io.fabric8.fabric-zookeeper:1.0.0.redhat-379] at org.apache.curator.RetryLoop.callWithRetry(RetryLoop.java:107)[53:io.fabric8.fabric-zookeeper:1.0.0.redhat-379] at ... 2014-05-15 18:57:12,460 | WARN | 0:0:0:0:0:0:2181 | Learner | zookeeper.server.quorum.Follower 89 | 53 - io.fabric8.fabric-zookeeper - 1.0.0.redhat-379 | Exception when following the leader java.net.SocketException: Connection reset at java.net.SocketInputStream.read(SocketInputStream.java:196)[:1.7.0_55] at java.net.SocketInputStream.read(SocketInputStream.java:122)[:1.7.0_55] at java.io.BufferedInputStream.fill(BufferedInputStream.java:235)[:1.7.0_55] 2014-05-15 18:57:12,520 | INFO | 0:0:0:0:0:0:2181 | Learner | zookeeper.server.quorum.Follower 166 | 53 - io.fabric8.fabric-zookeeper - 1.0.0.redhat-379 | shutdown called java.lang.Exception: shutdown Follower at org.apache.zookeeper.server.quorum.Follower.shutdown(Follower.java:166)[53:io.fabric8.fabric-zookeeper:1.0.0.redhat-379] at org.apache.zookeeper.server.quorum.QuorumPeer.run(QuorumPeer.java:744)[53:io.fabric8.fabric-zookeeper:1.0.0.redhat-379] 2014-05-15 19:05:31,695 | WARN | pool-61-thread-1 | GitDataStore | abric8.git.internal.GitDataStore 1208 | 85 - io.fabric8.fabric-git - 1.0.0.redhat-379 | Failed to perform a pull java.lang.IllegalStateException: Client has been stopped java.lang.IllegalStateException: Client has been stopped at com.google.common.base.Preconditions.checkState(Preconditions.java:150)[83:com.google.guava:15.0.0] at org.apache.curator.CuratorZookeeperClient.internalBlockUntilConnectedOrTimedOut(CuratorZookeeperClient.java:320)[53:io.fabric8.fabric-zookeeper:1.0.0.redhat-379] at org.apache.curator.RetryLoop.callWithRetry(RetryLoop.java:105)[53:io.fabric8.fabric-zookeeper:1.0.0.redhat-379] at org.apache.curator.framework.imps.SetDataBuilderImpl.pathInForeground(SetDataBuilderImpl.java:252)[53:io.fabric8.fabric-zookeeper:1.0.0.redhat-379] at org.apache.curator.framework.imps.SetDataBuilderImpl.forPath(SetDataBuilderImpl.java:239)[53:io.fabric8.fabric-zookeeper:1.0.0.redhat-379] at org.apache.curator.framework.imps.SetDataBuilderImpl.forPath(SetDataBuilderImpl.java:39)[53:io.fabric8.fabric-zookeeper:1.0.0.redhat-379] at io.fabric8.zookeeper.utils.ZooKeeperUtils.setData(ZooKeeperUtils.java:204)[53:io.fabric8.fabric-zookeeper:1.0.0.redhat-379] {code}
    via by Kevin Boone,
  • The Axis Users List
    via by Unknown author,
    • java.net.SocketException: Connection reset at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at java.io.BufferedInputStream.fill(Unknown Source)

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