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From "Alex Rudyy (JIRA)" <j...@apache.org>
Subject [jira] [Created] (QPID-6690) [Java Broker] Errors like NoClassDefFoundError do not interrupt ListenableFuture.get() in ACO#doSync(ListenableFuture) blocking the configuration thread and hanging the Broker on creation of BDB VHN/VH when JE library is not available in classpath
Date Wed, 12 Aug 2015 08:10:46 GMT
Alex Rudyy created QPID-6690:
--------------------------------

             Summary: [Java Broker] Errors like NoClassDefFoundError do not interrupt ListenableFuture.get()
in ACO#doSync(ListenableFuture)  blocking the configuration thread and hanging the Broker
on creation of BDB VHN/VH when JE library is not available in classpath
                 Key: QPID-6690
                 URL: https://issues.apache.org/jira/browse/QPID-6690
             Project: Qpid
          Issue Type: Bug
          Components: Java Broker
            Reporter: Alex Rudyy
            Priority: Blocker


Creation of BDB VHN/VH via UI hangs without any error reported via REST or into broker logs
when JE library is not available in the classpath. Additionally, Broker hangs to start-up
when BDB VHN/VH are present in the configuration store but JE library is not available.

The issues is caused by call to ListenableFuture.get() in AbstractConfiguredObject#doSync(ListenableFuture)
. Errors like NoClassDefFoundError do not interrupt  ListenableFuture.get() and swallowed
in the ExecutorService. As result, configuration thread is waiting forever until Broker process
is stopped.



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