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Posted to java-dev@axis.apache.org by "Sagara Gunathunga (Commented) (JIRA)" <ji...@apache.org> on 2012/03/08 14:07:58 UTC
[jira] [Commented] (TRANSPORTS-19) Mail transport: synchronous
invocation style doesn't work correctly
[ https://issues.apache.org/jira/browse/TRANSPORTS-19?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13225190#comment-13225190 ]
Sagara Gunathunga commented on TRANSPORTS-19:
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Do we have a solution or workaround for this issue ? This issue really effect to usability of Mail transport.
> Mail transport: synchronous invocation style doesn't work correctly
> -------------------------------------------------------------------
>
> Key: TRANSPORTS-19
> URL: https://issues.apache.org/jira/browse/TRANSPORTS-19
> Project: Axis2 Transports
> Issue Type: Bug
> Components: Mail
> Reporter: Andreas Veithen
>
> The change in r698486 introduced support for the synchronous invocation style in the mail transport. This was implemented by using a callback pattern where the transport sender waits until the transport listener receives the response message and invokes the callback. This however doesn't work as expected. The reason is that after receiving the message, the mail transport listener will close the input stream for the message (and potentially release some other resources, such as closing the mail folder). On the server side, this works well because the listener invokes AxisEngine.receive, which only returns after the service has processed the message. However, on the client side, it will invoke the callback, which will not process the message, but only store it. By the time the client attempts to process the response, the underlying input stream is already closed. This leads to errors such as this one:
> java.lang.RuntimeException: [was class java.io.IOException] Stream closed
> at com.ctc.wstx.util.ExceptionUtil.throwRuntimeException(ExceptionUtil.java:18)
> at com.ctc.wstx.sr.StreamScanner.throwLazyError(StreamScanner.java:706)
> at com.ctc.wstx.sr.BasicStreamReader.safeFinishToken(BasicStreamReader.java:3655)
> at com.ctc.wstx.sr.BasicStreamReader.getText(BasicStreamReader.java:809)
> at org.apache.axiom.util.stax.wrapper.XMLStreamReaderWrapper.getText(XMLStreamReaderWrapper.java:160)
> at org.apache.axiom.util.stax.wrapper.XMLStreamReaderWrapper.getText(XMLStreamReaderWrapper.java:160)
> at org.apache.axiom.om.impl.builder.StAXBuilder.createOMText(StAXBuilder.java:289)
> at org.apache.axiom.om.impl.builder.StAXBuilder.createOMText(StAXBuilder.java:252)
> at org.apache.axiom.om.impl.builder.StAXOMBuilder.next(StAXOMBuilder.java:267)
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