[HADOOP-3453] ipc.Client.close() throws NullPointerException

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.18.0
• Component/s: ipc
• Assignee: Hairong Kuang
• Reporter: Tsz-wo Sze
• Created: 27/May/08 22:13
• Updated: 22/Aug/08 19:50
• Resolved: 06/Jun/08 05:42

Description

There are two possible cases that Client.close() throws NullPointerException

• Exception in thread "IPC Client (47) connection to localhost/127.0.0.1:3070 from tsz" java.lang.NullPointerException
  at org.apache.hadoop.ipc.Client$Connection.close(Client.java:521)
  at org.apache.hadoop.ipc.Client$Connection.run(Client.java:434)

• Exception in thread "Thread-2" java.lang.NullPointerException
  at org.apache.hadoop.ipc.Client$Connection.close(Client.java:519)
  at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:317)
  at org.apache.hadoop.ipc.Client$Connection.access$1700(Client.java:175)
  at org.apache.hadoop.ipc.Client.getConnection(Client.java:766)
  at org.apache.hadoop.ipc.Client.call(Client.java:680)
  at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:216)
  ...

Issue Links

• is part of: HADOOP-3455 IPC.Client synchronisation looks weak