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Posted to dev@lens.apache.org by "Ted Yu (JIRA)" <ji...@apache.org> on 2016/02/12 05:24:18 UTC

[jira] [Created] (LENS-954) await() is not inside loop in FairPriorityBlockingQueue#waitUntilNotEmpty()

Ted Yu created LENS-954:
---------------------------

             Summary: await() is not inside loop in FairPriorityBlockingQueue#waitUntilNotEmpty()
                 Key: LENS-954
                 URL: https://issues.apache.org/jira/browse/LENS-954
             Project: Apache Lens
          Issue Type: Bug
            Reporter: Ted Yu
            Priority: Minor


{code}
  private void waitUntilNotEmpty() throws InterruptedException {

    conditionalWaitLock.lock();
    try {
      notEmpty.await();
    } finally {
      conditionalWaitLock.unlock();
    }
{code}
>From http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html#wait%28long%29 :

A thread can wake up without being notified, interrupted, a so-called spurious wakeup. While this will rarely occur in practice, applications must guard against it by testing for the condition that should have caused the thread to be awakened.



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