标签: zk

'zoopeeper Unexpected Exception: java.nio.channels.CancelledKeyException'
在运维过程中zookeeper(版本：3.4.9)出现下面的异常：
2019-02-18 11:12:04,043 [myid:] - ERROR [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxn@178] - Unexpected Exception:
java.nio.channels.CancelledKeyException
    at sun.nio.ch.SelectionKeyImpl.ensureValid(SelectionKeyImpl.java:73)
    at sun.nio.ch.SelectionKeyImpl.interestOps(SelectionKeyImpl.java:77)
    at org.apache.zookeeper.server.NIOServerCnxn.sendBuffer(NIOServerCnxn.java:151)
    at org.apache.zookeeper.server.ZooKeeperServer.finishSessionInit(ZooKeeperServer.java:663)
    at org.apache.zookeeper.server.ZooKeeperServer.revalidateSession(ZooKeeperServer.java:625)
    at org.apache.zookeeper.server.ZooKeeperServer.reopenSession(ZooKeeperServer.java:633)
    at org.apache.zookeeper.server.ZooKeeperServer.processConnectRequest(ZooKeeperServer.java:926)
    at org.apache.zookeeper.server.NIOServerCnxn.readConnectRequest(NIOServerCnxn.java:418)
    at org.apache.zookeeper.server.NIOServerCnxn.readPayload(NIOServerCnxn.java:198)
    at org.apache.zookeeper.server.NIOServerCnxn.doIO(NIOServerCnxn.java:244)
    at org.apache.zookeeper.server.NIOServerCnxnFactory.run(NIOServerCnxnFactory.java:203)
    at java.lang.Thread.run(Thread.java:745)
2019-02-18 11:12:04,100 [myid:] - ERROR [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxn@178] - Unexpected Exception:
java.nio.channels.CancelledKeyException
    at sun.nio.ch.SelectionKeyImpl.ensureValid(SelectionKeyImpl.java:73)
    at sun.nio.ch.SelectionKeyImpl.interestOps(SelectionKeyImpl.java:77)
    at org.apache.zookeeper.server.NIOServerCnxn.sendBuffer(NIOServerCnxn.java:151)
    at org.apache.zookeeper.server.ZooKeeperServer.finishSessionInit(ZooKeeperServer.java:663)
    at org.apache.zookeeper.server.ZooKeeperServer.revalidateSession(ZooKeeperServer.java:625)
    at org.apache.zookeeper.server.ZooKeeperServer.reopenSession(ZooKeeperServer.java:633)
    at org.apache.zookeeper.server.ZooKeeperServer.processConnectRequest(ZooKeeperServer.java:926)
    at org.apache.zookeeper.server.NIOServerCnxn.readConnectRequest(NIOServerCnxn.java:418)
    at org.apache.zookeeper.server.NIOServerCnxn.readPayload(NIOServerCnxn.java:198)
    at org.apache.zookeeper.server.NIOServerCnxn.doIO(NIOServerCnxn.java:244)
    at org.apache.zookeeper.server.NIOServerCnxnFactory.run(NIOServerCnxnFactory.java:203)
    at java.lang.Thread.run(Thread.java:745)
xkrivzooh大约 1 分钟