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From Vasiliki Kalavri <vasilikikala...@gmail.com>
Subject Cannot see optimizer plan in web client
Date Sun, 02 Nov 2014 15:34:42 GMT
Hi all,

when using the web client to upload and run a jar, the optimizer plan for
my program does not appear.
I have checked the "Show optimizer plan" box and provided args in the
Arguments field.
When I continue to submit the job, it runs correctly. There is no problem
when using the plan visualizer tool.

Checking the webclient logs, I see this exception in the .log file:

org.apache.flink.client.program.ProgramInvocationException: The program
plan could not be fetched. The program silently swallowed the control flow
exceptions.
        at
org.apache.flink.client.program.PackagedProgram.getPreviewPlan(PackagedProgram.java:243)
        at
org.apache.flink.client.web.PactJobJSONServlet.doGet(PactJobJSONServlet.java:90)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:734)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:847)
        at
org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:532)
        at
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:453)
        at
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:227)
        at
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:965)
        at
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:388)
        at
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:187)
        at
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:901)
        at
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:117)
        at
org.eclipse.jetty.server.handler.HandlerList.handle(HandlerList.java:47)
        at
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:113)
        at org.eclipse.jetty.server.Server.handle(Server.java:352)
        at
org.eclipse.jetty.server.HttpConnection.handleRequest(HttpConnection.java:596)
        at
org.eclipse.jetty.server.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:1048)
        at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:549)
        at
org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:211)
        at
org.eclipse.jetty.server.HttpConnection.handle(HttpConnection.java:425)
        at
org.eclipse.jetty.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:489)
        at
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:436)
        at java.lang.Thread.run(Thread.java:745)

and the usage message in the .out file, as if I did not provide the correct
number of arguments (which I did).

If it helps, here's the program I was trying to visualize:
https://github.com/vasia/incubator-flink/blob/semimetric-preprocessing/flink-examples/flink-java-examples/src/main/java/org/apache/flink/examples/java/preprocessing/Jaccard.java

Anything I'm missing here?

Thanks,
V.

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