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Re: [jetty-users] Warning from ProxyServlet
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Before this could be considered a bug, you should run your server in debug mode while writing all log messages into a file, and isolate the portion of the log that corresponds to the point where this problem occurs. After you do that if the log information would not contain a clue to a possible mis-configuration, you should open a bug report for it.
-Michael
On Thu, Oct 28, 2010 at 7:16 AM, Mark Payne
<mark.payne@xxxxxxxxxxx> wrote:
I have a ProxyServlet.Transparent set up within a Jetty server to forward URLs ending "/sparql" to another web server that hosts a knowledge base.
context.addServlet(new ServletHolder(new ProxyServlet.Transparent(
"/sparql", repositoryServerHost, repositoryServerPort)), "/sparql/*");
Normally the proxying works fine, but intermittently I send a request and it causes:
1. Jetty to log a warning - WARN [org.eclipse.jetty.servlets.ProxyServlet$Transparent-30476892-30] (Slf4jLog.java:40) - Unexpected data received but no request sent
2. My HTTP client to hang waiting for a response
3. My underlying server to log that it has received and processed a request.
Looking through the source xref I found that the warning message comes from handle() in org.eclipse.jetty.client.HttpConnection, and gets logged if it is discovered that a response contains data while _exchange is null.
Any suggestions why this might be happening? It seems that somewhere the reference to _exchange is not getting set properly, because clearly a request _is_ being sent. Unfortunately I can't see a clear link between the type of request that I send and the appearance of the warning. Let me know if this would be better directed to the dev mailing list or a bug report.
Thanks,
Mark Payne
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