zookeeper启动后正常，但无法找到进程，zookeeper.out日志如下？

2016-04-06 06:37:47,707 [myid:] - INFO  [main:QuorumPeerConfig@109] - Reading configuration from: /usr/local/zookeeper/bin/../conf/zoo.cfg
2016-04-06 06:37:47,920 [myid:] - ERROR [main:QuorumPeerMain@86] - Invalid config, exiting abnormally
org.apache.zookeeper.server.quorum.QuorumPeerConfig$ConfigException: Error processing /usr/local/zookeeper/bin/../conf/zoo.cfg
        at org.apache.zookeeper.server.quorum.QuorumPeerConfig.parse(QuorumPeerConfig.java:130)
        at org.apache.zookeeper.server.quorum.QuorumPeerMain.initializeAndRun(QuorumPeerMain.java:110)
        at org.apache.zookeeper.server.quorum.QuorumPeerMain.main(QuorumPeerMain.java:79)
Caused by: java.lang.IllegalArgumentException: initLimit is not set
        at org.apache.zookeeper.server.quorum.QuorumPeerConfig.checkValidity(QuorumPeerConfig.java:471)
        at org.apache.zookeeper.server.quorum.QuorumPeerConfig.parseProperties(QuorumPeerConfig.java:293)
        at org.apache.zookeeper.server.quorum.QuorumPeerConfig.parse(QuorumPeerConfig.java:126)
        ... 2 more
Invalid config, exiting abnormally 
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