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https://issues.apache.org/jira/browse/SYNAPSE-479?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12658947#action_12658947
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Andreas Veithen commented on SYNAPSE-479:
-----------------------------------------
What happens here is that Synapse hangs in ContentInputStream#close(), called
from ServerWorker#run(). The close method looks as follows:
public void close() throws IOException {
// read and discard the remainder of the message
byte tmp[] = new byte[1024];
while (this.buffer.read(tmp, 0, tmp.length) >= 0) {
}
super.close();
}
This method has been added in r636863 to "[fix] handling of requests with
partially consumed content". Note that in the present case the transport is
processing a GET request which by definition has no content. It appears that
ServerHandler#requestReceived always creates an input buffer and a
ContentInputStream independently of the type of request. The solution is to
check the type of request and only create the input buffer and
ContentInputStream if necessary and of course only use
ContentInputStream#close() if the input stream is not null.
> Failure in REST test case
> -------------------------
>
> Key: SYNAPSE-479
> URL: https://issues.apache.org/jira/browse/SYNAPSE-479
> Project: Synapse
> Issue Type: Bug
> Components: Transports
> Affects Versions: NIGHTLY
> Environment: - Hudson
> - Mac OS X
> Reporter: Andreas Veithen
> Assignee: Andreas Veithen
> Priority: Minor
> Attachments: 01-debug.log
>
>
> The following test case systematically fails:
> org.apache.synapse.transport.nhttp.HttpCoreNIOListenerTest.0076:test=REST,client=java.net,endpoint=axis
> This test case uses a URLConnection to send a GET request to
> HttpCoreNIOListener. The test case logs show that the transport sends back
> the status line and the headers, but fails to write the (empty) body. After
> 60 seconds it times out and closes the connection, causing a "Premature EOF"
> error in URLConnection.
> This seems to be a regression caused by the recent upgrade to httpcore
> 4.0-beta3.
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