我们使用kafka 0.10.1.1并且运行正常几小时，有时几天。突然间它开始给出以下异常并且代理失去了它们之间的连接。 zookeeper和kafka服务器进程正在运行，但不接受任何连接。
我们在同一节点上运行kafka和zookeeper，并且它是一个2节点集群设置。这只是我们的开发环境。
在服务器日志中观察到以下异常。
2017-03-23 14:05:52,729] WARN [ReplicaFetcherThread-0-38], Error in fetch kafka.server.ReplicaFetcherThread$FetchRequest@1893e027 (kafka.server.ReplicaFetcherThread)
java.io.IOException: Connection to 2 was disconnected before the response was read
at kafka.utils.NetworkClientBlockingOps$$anonfun$blockingSendAndReceive$extension$1$$anonfun$apply$1.apply(NetworkClientBlockingOps.scala:115)
at kafka.utils.NetworkClientBlockingOps$$anonfun$blockingSendAndReceive$extension$1$$anonfun$apply$1.apply(NetworkClientBlockingOps.scala:112)
at scala.Option.foreach(Option.scala:257)
at kafka.utils.NetworkClientBlockingOps$$anonfun$blockingSendAndReceive$extension$1.apply(NetworkClientBlockingOps.scala:112)
at kafka.utils.NetworkClientBlockingOps$$anonfun$blockingSendAndReceive$extension$1.apply(NetworkClientBlockingOps.scala:108)
at kafka.utils.NetworkClientBlockingOps$.recursivePoll$1(NetworkClientBlockingOps.scala:137)
at kafka.utils.NetworkClientBlockingOps$.kafka$utils$NetworkClientBlockingOps$$pollContinuously$extension(NetworkClientBlockingOps.scala:143)
at kafka.utils.NetworkClientBlockingOps$.blockingSendAndReceive$extension(NetworkClientBlockingOps.scala:108)
at kafka.server.ReplicaFetcherThread.sendRequest(ReplicaFetcherThread.scala:253)
at kafka.server.ReplicaFetcherThread.fetch(ReplicaFetcherThread.scala:238)
at kafka.server.ReplicaFetcherThread.fetch(ReplicaFetcherThread.scala:42)
at kafka.server.AbstractFetcherThread.processFetchRequest(AbstractFetcherThread.scala:118)
at kafka.server.AbstractFetcherThread.doWork(AbstractFetcherThread.scala:103)
来自Zookeeper.log，
[2017-03-22 22:42:15,600] INFO Client attempting to establish new session at /10.141.202.141:59930 (org.apache.zookeeper.server.ZooKeeperServer)
[2017-03-22 22:42:15,603] INFO Established session 0x25af82f142c0000 with negotiated timeout 6000 for client /11.121.102.441:59930 (org.apache.zookeeper.server.ZooKeeperServer)
[2017-03-22 22:42:29,322] INFO Got user-level KeeperException when processing sessionid:0x25af82f142c0000 type:create cxid:0x3a8 zxid:0x1e0000001a txntype:-1 reqpath:n/a Error Path:/brokers Error:KeeperErrorCode = NodeExists for /brokers (org.apache.zookeeper.server.PrepRequestProcessor)
[2017-03-22 22:42:29,329] INFO Got user-level KeeperException when processing sessionid:0x25af82f142c0000 type:create cxid:0x3a9 zxid:0x1e0000001b txntype:-1 reqpath:n/a Error Path:/brokers/ids Error:KeeperErrorCode = NodeExists for /brokers/ids (org.apache.zookeeper.server.PrepRequestProcessor)
[2017-03-22 22:42:32,943] INFO Accepted socket connection from /17.150.218.7:58233 (org.apache.zookeeper.server.NIOServerCnxnFactory)
[2017-03-22 22:42:32,944] WARN Connection request from old client /17.150.218.7:58233; will be dropped if server is in r-o mode (org.apache.zookeeper.server.ZooKeeperServer)
[2017-03-22 22:42:32,944] INFO Client attempting to establish new session at /17.150.218.7:58233 (org.apache.zookeeper.server.ZooKeeperServer)
[2017-03-22 22:42:32,947] INFO Established session 0x25af82f142c0001 with negotiated timeout 30000 for client /17.121.102.241:58233 (org.apache.zookeeper.server.ZooKeeperServer)
[2017-03-22 22:42:33,402] INFO Processed session termination for sessionid: 0x25af82f142c0001 (org.apache.zookeeper.server.PrepRequestProcessor)
[2017-03-22 22:42:33,405] INFO Closed socket connection for client /17.150.218.7:58233 which had sessionid 0x25af82f142c0001 (org.apache.zookeeper.server.NIOServerCnxn)
由于