[HDFS-10915] Fix time measurement bug in TestDatanodeRestart#testWaitForRegistrationOnRestart

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 2.7.4, 3.0.0-alpha2
• Component/s: test
• Hadoop Flags: Reviewed
• Assignee: Xiaobing Zhou
• Reporter: Xiaobing Zhou
• Created: 27/Sep/16 21:38
• Updated: 28/Sep/16 20:32
• Resolved: 28/Sep/16 03:57

Description

It should be milliseconds in the message of IOException.

} catch (org.apache.hadoop.ipc.RemoteException e) {
        long elapsed = System.currentTimeMillis() - start;
        // timers have at-least semantics, so it should be at least 5 seconds.
        if (elapsed < 5000 || elapsed > 10000) {
          throw new IOException(elapsed + " seconds passed.", e);
        }
      }