zookeeper +无法从客户端会话ID中读取其他数据 [英] zookeeper + Unable to read additional data from client session id

问题描述

我们有具有 3个kafka 机器和 3个zookeeper 服务器

we have hadoop cluster with 3 kafka machines and 3 zookeeper servers

hadoop版本-2.6.4(HORTONWORKS)

hadoop version - 2.6.4 ( HORTONWORKS )

在Zookeeper日志下(/var/log/zookper)

under zookeeper logs ( /var/log/zookper )

我们看到了数百万条警告消息，例如:

we saw a millions WARN messages like:

2019-06-26 10:48:45,675 [myid:1] - WARN  [NIOServerCxn.Factory 0.000.0.0/0.0.0.0:2181:NIOServerCnxn@357] - caught end of stream exception
EndOfStreamException: Unable to read additional data from client sessionid 0x16b8e15a80ca681, likely client has closed socket
               at org.apache.zookeeper.server.NIOServerCnxn.doIO(NIOServerCnxn.java:230)
               at org.apache.zookeeper.server.NIOServerCnxnFactory.run(NIOServerCnxnFactory.java:208)
               at java.lang.Thread.run(Thread.java:745)

此消息的含义:

    caught end of stream exception EndOfStreamException
    Unable to read additional data from client sessionid 

真正的问题是关于kafka机器

the real problem is about the kafka machines

• 我们面临的问题是，领导者不平衡，而领导者-1最终使卡夫卡主题分区最终得到了解决

推荐答案

尝试重试客户端.它解决了我的问题.我以某种方式将重试设置为零.

Try to have client retries. It solved my issue. Somehow I had retry set to zero.

例如: hbase.client.retries.number

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