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ZooKeeper error

Symptoms

A user gets the following exception:

2017-01-02 13:19:55,055 - WARN  \[NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxn@362\] - Exception causing close of session 0x1595f2e5f310009 due to [java.io](http://java.io).IOException: Len error 1726604

Solution

To address the issue, follow the steps below:

1. Add the following row to the <workfusion_dir>/zookeeper/bin/zkServer.sh file:

   JVMFLAGS="$JVMFLAGS -Djute.maxbuffer=5000000"
   

   The screenshot below illustrates the operation:

   

2. Restart ZooKeeper with the wfmanager restart zookeeper command.