[ http://issues.apache.org/jira/browse/AXIS2-300?page=all ]
Eran Chinthaka resolved AXIS2-300:
----------------------------------
Resolution: Invalid
This is relevant to Axis 1.x and not Axis2.
> Re-use of MultiThreadedConnectionManager in CommonsHTTPSender
> -------------------------------------------------------------
>
> Key: AXIS2-300
> URL: http://issues.apache.org/jira/browse/AXIS2-300
> Project: Apache Axis 2.0 (Axis2)
> Type: Improvement
> Components: transports
> Environment: HTTP 1.1
> Reporter: Amanda Hopgood
> Priority: Minor
>
> When using CommonsHTTPSender then a new MultiThreadedConnectionManager is
> created for each instance. This means that the MultiThreadedConnectionManager
> is unique per Service object, and this is preventing our connections being
> re-used. The MultiThreadedConnectionManager should be able to be shared
> between different HTTPClient objects, and this request is to alter
> CommonsHTTPSender so that a single instance of MultiThreadedConnectionManager
> is created and used by many instances of CommonsHTTPSender.
> In our application we have a Service object per calling thread, and so with
> the current implementation there is one MultiThreadedConnectionManager per
> thread, and so we are getting more connections then we really desire.
> The reason we have a Service object per calling thread, was because we have
> seen ConcurrentModificationExceptions if we perform load tests whilst sharing
> Service objects over threads, i.e.
> java.util.ConcurrentModificationException
> at java.util.WeakHashMap$HashIterator.nextEntry(WeakHashMap.java:726)
> at java.util.WeakHashMap$KeyIterator.next(WeakHashMap.java:759)
> at
> org.apache.axis.attachments.ManagedMemoryDataSource.delete(ManagedMemoryDataSource.java:454)
> at
> org.apache.axis.attachments.AttachmentsImpl.writeContentToStream(AttachmentsImpl.java:476)
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