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From "Yongle Zhang (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CURATOR-451) Background retry may fall into infinite loop
Date Tue, 06 Feb 2018 01:18:00 GMT
Yongle Zhang created CURATOR-451:
------------------------------------

             Summary: Background retry may fall into infinite loop
                 Key: CURATOR-451
                 URL: https://issues.apache.org/jira/browse/CURATOR-451
             Project: Apache Curator
          Issue Type: Bug
          Components: Framework
    Affects Versions: 4.0.0
            Reporter: Yongle Zhang


Similar to [Curator-209|https://issues.apache.org/jira/browse/CURATOR-209], addFailedOperation()
function in FailedOperationManager.java could fall into infinite loop when there's network
disruption. 

Root cause: when there's an Exception (any type), function addFailedOperation() simply recursively
calls itself. And in every recursion, it prints a log.  

 
{code:java}
void addFailedOperation(T details)
{
  ...
  if ( client.getState() == CuratorFrameworkState.STARTED )
  {
    log.debug("Details being added to guaranteed operation set: " + details);
    try
    {
      executeGuaranteedOperationInBackground(details);
    }
    catch ( Exception e )
    {
      ThreadUtils.checkInterrupted(e);
      addFailedOperation(details);
    }
  }
}
{code}



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