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| 2012-10-05 16:20:55,932 | ERROR | akka.actor.ActorSystemImpl | ult-dispatcher-1 | RemoteClientError@akka://CSLWorker@localhost:2000: Error[java.net.ConnectException:Connection refused: no further information | |
| at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) | |
| at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:701) | |
| at org.jboss.netty.channel.socket.nio.NioClientSocketPipelineSink$Boss.connect(NioClientSocketPipelineSink.java:404) | |
| at org.jboss.netty.channel.socket.nio.NioClientSocketPipelineSink$Boss.processSelectedKeys(NioClientSocketPipelineSink.java:366) | |
| at org.jboss.netty.channel.socket.nio.NioClientSocketPipelineSink$Boss.run(NioClientSocketPipelineSink.java:282) | |
| at org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:102) | |
| at org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42) | |
| at java.util.c |
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| 2012-10-05 16:33:59,923 | ERROR | akka.actor.ActorSystemImpl | t-dispatcher-164 | RemoteServerError@akka://CSLServer@localhost:1997] Error[java.io.IOException:An existing connection was forcibly closed by the remote host | |
| at sun.nio.ch.SocketDispatcher.read0(Native Method) | |
| at sun.nio.ch.SocketDispatcher.read(SocketDispatcher.java:43) | |
| at sun.nio.ch.IOUtil.readIntoNativeBuffer(IOUtil.java:218) | |
| at sun.nio.ch.IOUtil.read(IOUtil.java:186) | |
| at sun.nio.ch.SocketChannelImpl.read(SocketChannelImpl.java:359) | |
| at org.jboss.netty.channel.socket.nio.NioWorker.read(NioWorker.java:63) | |
| at org.jboss.netty.channel.socket.nio.AbstractNioWorker.processSelectedKeys(AbstractNioWorker.java:385) | |
| at org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:256) | |
| at org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:35) |
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| val isWindows = { | |
| val osName = System.getProperty("os.name") | |
| val isWin = osName.startsWith("Windows") | |
| println("os.name=" + osName + " isWindows=" + isWin) | |
| isWin | |
| } | |
| def currentJars: Array[String] = { | |
| val classloader = ClassLoader.getSystemClassLoader |
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| def clusterStatus: ClusterStatus = { | |
| val isLeader = leaderLatch.hasLeadership | |
| val participants = leaderLatch.getParticipants.asScala | |
| val leader = participants.find(_.isLeader).map(_.getId).getOrElse("<none>") | |
| ClusterStatus(nodeId, isLeader, leader, participants.map(_.getId)) | |
| } |
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| def watchLeaderChildren() { | |
| curatorFramework.getChildren.usingWatcher( | |
| new CuratorWatcher { | |
| def process(event: WatchedEvent) { | |
| val cs = clusterStatus() | |
| // Do something with cluster status (log leadership change, etc) | |
| // Re-set watch | |
| curatorFramework.getChildren.usingWatcher(this). |
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| def selectLeader() { | |
| leaderLatch = new LeaderLatch(curatorFramework, leaderPath, nodeId) | |
| leaderLatch.start() | |
| // Optional, only if you need notification on cluster changes | |
| watchLeaderChildren() | |
| } |
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| startThread("leaderSelection") { | |
| while (electingLeader) { | |
| selectLeader() | |
| electLoop.acquire() | |
| if (electingLeader) log.info("Lost connection to Zookeeper - reselecting leader") | |
| } | |
| } | |
| log.info("Waiting for leader to be selected") | |
| leaderSelected.acquire() |
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| if (clientEnabled) { | |
| startThread("leaderSelection") { | |
| while (electingLeader) { | |
| selectLeader() | |
| electLoop.acquire() | |
| if (electingLeader) log.info("Lost connection to Zookeeper - reselecting leader") | |
| } | |
| } | |
| log.info("Waiting for leader to be selected") | |
| leaderSelected.acquire() |
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| // hosts is in the form host:port,host:port | |
| @Value("${zookeeperService.hosts:localhost}") | |
| @ManagedGetter @BeanProperty | |
| var hosts: String = _ | |
| val hostsArr = hosts.split(",") | |
| val serversKeyArr = new Array[String](hostsArr.length) | |
| val serversValArr = new Array[String](hostsArr.length) | |
| for ((server, idx) <- hostsArr.zipWithIndex) { | |
| val (host, port) = if (server.contains(":")) { |
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| def initialize() { | |
| // Embedded server startup here (see part 2) | |
| // ... | |
| curatorFramework = | |
| CuratorFrameworkFactory.newClient( | |
| connectString, sessionTimeoutSec*1000, | |
| connectionTimeoutSec*1000, new RetryOneTime(1)) | |
| curatorFramework.start() |