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  1. Hadoop Common
  2. HADOOP-11433

Fix the new findbugs warning from NetUtils&ActiveStandbyElector

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Details

    • Improvement
    • Status: Resolved
    • Minor
    • Resolution: Invalid
    • 2.7.0
    • None
    • ha, net
    • Reviewed

    Description

      see https://builds.apache.org/job/PreCommit-HADOOP-Build/5309//artifact/patchprocess/newPatchFindbugsWarningshadoop-common.html :

      Correctness Warnings

Code	Warning
RV	Return value of java.util.concurrent.CountDownLatch.await(long, TimeUnit) ignored in org.apache.hadoop.ha.ActiveStandbyElector$WatcherWithClientRef.process(WatchedEvent)
Multithreaded correctness Warnings

Code	Warning
AT	Sequence of calls to java.util.concurrent.ConcurrentHashMap may not be atomic in org.apache.hadoop.net.NetUtils.canonicalizeHost(String)
Bug type AT_OPERATION_SEQUENCE_ON_CONCURRENT_ABSTRACTION (click for details) 
In class org.apache.hadoop.net.NetUtils
In method org.apache.hadoop.net.NetUtils.canonicalizeHost(String)
Type java.util.concurrent.ConcurrentHashMap
Called method java.util.concurrent.ConcurrentHashMap.put(Object, Object)
At NetUtils.java:[line 291]

      Attachments

        1. HADOOP-11433-001.txt
          2 kB
          Liang Xie

        Issue Links

          is related to

          Improvement - An improvement or enhancement to an existing feature or task. HADOOP-11448 Fix findbugs warnings in FileBasedIPList

          • Minor - Minor loss of function, or other problem where easy workaround is present.
          • Closed

          Activity

            People

              xieliang007 Liang Xie
              xieliang007 Liang Xie
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              Dates

                Created:
                Updated:
                Resolved: