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From "Claus Ibsen (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CAMEL-4795) Throttler and Delay EIP will invoke done callback twice if using async delayed
Date Mon, 19 Dec 2011 08:50:30 GMT
Throttler and Delay EIP will invoke done callback twice if using async delayed
------------------------------------------------------------------------------

                 Key: CAMEL-4795
                 URL: https://issues.apache.org/jira/browse/CAMEL-4795
             Project: Camel
          Issue Type: Bug
          Components: camel-core
    Affects Versions: 2.8.3, 2.7.4
            Reporter: Claus Ibsen
            Assignee: Claus Ibsen
             Fix For: 2.7.5, 2.8.4, 2.9.0


If using async delayed on Throttler or Delay EIP, then a 2nd done on the callback is invoked,
which should not happen. As the Camel routing engine, is invoking the done as well.

The 2nd done can cause what would appear as a routing error as a NPE occurs in the error handler,
as the exchange is already done, and some cleanup work have occurred.
{code}
java.lang.NullPointerException
	at org.apache.camel.processor.RedeliveryErrorHandler.processAsyncErrorHandler(RedeliveryErrorHandler.java:387)
	at org.apache.camel.processor.RedeliveryErrorHandler$1.done(RedeliveryErrorHandler.java:336)
	at org.apache.camel.processor.interceptor.Debug$1$1.done(Debug.java:56)
	at org.apache.camel.processor.interceptor.TraceInterceptor$1.done(TraceInterceptor.java:188)
	at org.apache.camel.impl.ProducerCache$1.done(ProducerCache.java:307)
...
{code}

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