[HBASE-15127] NPE in RpcServer$Call.wrapWithSasl()

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Assignee: Unassigned
• Reporter: Enis Soztutar
• Created: 19/Jan/16 02:49
• Updated: 14/Feb/18 23:19

Description

I saw this in a log file, not sure whether it is important to fix or not:

2016-01-09 01:30:58,905 WARN  [FifoRpcScheduler.handler1-thread-25] ipc.RpcServer: FifoRpcScheduler.handler1-thread-25: caught: java.lang.NullPointerException
  at org.apache.hadoop.hbase.ipc.RpcServer$Call.wrapWithSasl(RpcServer.java:412)
  at org.apache.hadoop.hbase.ipc.RpcServer$Call.setResponse(RpcServer.java:395)
  at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:128)
  at org.apache.hadoop.hbase.ipc.FifoRpcScheduler$1.run(FifoRpcScheduler.java:74)
  at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
  at java.util.concurrent.FutureTask.run(FutureTask.java:262)
  at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
  at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
  at java.lang.Thread.run(Thread.java:745)

This is 0.98 based code base corresponding to:

      synchronized (connection.saslServer) {
        token = connection.saslServer.wrap(responseBytes, 0, responseBytes.length);
      }

I believe the saslserver was set to null earlier by disposeSasl() because Connection is closing.