Monitor超时阻塞 #672
Description
Monitor超时阻塞 如果和zk连接失败会一直阻塞 导致dubbo工作线程不能处理请求
"http-bio-10001-exec-7" #66 daemon prio=5 os_prio=0 tid=0x00007faf04286800 nid=0x7c13 waiting on condition [0x00007faed05f1000]
java.lang.Thread.State: TIMED_WAITING (parking)
at sun.misc.Unsafe.park(Native Method)
- parking to wait for <0x00000000ef7ca268> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
at java.util.concurrent.locks.LockSupport.parkUntil(LockSupport.java:256)
at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitUntil(AbstractQueuedSynchronizer.java:2120)
at org.I0Itec.zkclient.ZkClient.waitForKeeperState(ZkClient.java:636)
at org.I0Itec.zkclient.ZkClient.waitUntilConnected(ZkClient.java:619)
at org.I0Itec.zkclient.ZkClient.waitUntilConnected(ZkClient.java:615)
at org.I0Itec.zkclient.ZkClient.retryUntilConnected(ZkClient.java:679)
at org.I0Itec.zkclient.ZkClient.create(ZkClient.java:304)
at org.I0Itec.zkclient.ZkClient.createPersistent(ZkClient.java:213)
at com.alibaba.dubbo.remoting.zookeeper.zkclient.ZkclientZookeeperClient.createPersistent(ZkclientZookeeperClient.java:47)
at com.alibaba.dubbo.remoting.zookeeper.support.AbstractZookeeperClient.create(AbstractZookeeperClient.java:44)
at com.alibaba.dubbo.remoting.zookeeper.support.AbstractZookeeperClient.create(AbstractZookeeperClient.java:39)
at com.alibaba.dubbo.remoting.zookeeper.support.AbstractZookeeperClient.create(AbstractZookeeperClient.java:39)
at com.alibaba.dubbo.remoting.zookeeper.support.AbstractZookeeperClient.create(AbstractZookeeperClient.java:39)
at com.alibaba.dubbo.registry.zookeeper.ZookeeperRegistry.doRegister(ZookeeperRegistry.java:98)
at com.alibaba.dubbo.registry.support.FailbackRegistry.register(FailbackRegistry.java:130)
at com.alibaba.dubbo.registry.integration.RegistryProtocol.doRefer(RegistryProtocol.java:268)
at com.alibaba.dubbo.registry.integration.RegistryProtocol.refer(RegistryProtocol.java:254)
at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper.refer(ProtocolFilterWrapper.java:60)
at com.alibaba.dubbo.rpc.protocol.ProtocolListenerWrapper.refer(ProtocolListenerWrapper.java:63)
at com.alibaba.dubbo.rpc.Protocol$Adpative.refer(Protocol$Adpative.java)
at com.alibaba.dubbo.monitor.dubbo.DubboMonitorFactroy.createMonitor(DubboMonitorFactroy.java:60)
at com.alibaba.dubbo.monitor.support.AbstractMonitorFactory.getMonitor(AbstractMonitorFactory.java:56)