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From Robert Metzger <rmetz...@apache.org>
Subject Re: The main method caused an error. HDFS flink
Date Tue, 08 Sep 2015 10:48:16 GMT
Which version of Flink are you using?

Have you tried submitting the job using the "./bin/flink run" tool?

On Tue, Sep 8, 2015 at 11:44 AM, Florian Heyl <f.heyl@gmx.de> wrote:

> Dear Sir or Madam,
> Me and my colleague are developing a pipeline based on scala and java to
> classify cancer stages. This pipeline should be uploaded on the hdfs
> (apache flink).
> The pipeline locally works fine but on the hdfs it crashes with the
> following error (see below). The main method is simply structured we are
> only passing one argument to set the working directory and then other
> methods from different scala and java files are called. Sorry if I can not
> give you more details because I can not figure out what the exact problem
> is. I hope you can help me.
>
> Best wishes,
>
> Flo
>
>  An error occurred while invoking the program:
>
> The main method caused an error.
>
> java.io.IOException: Class not found
> 	at com.esotericsoftware.reflectasm.shaded.org.objectweb.asm.ClassReader.a(Unknown Source)
> 	at com.esotericsoftware.reflectasm.shaded.org.objectweb.asm.ClassReader.<init>(Unknown
Source)
> 	at org.apache.flink.api.scala.ClosureCleaner$.org$apache$flink$api$scala$ClosureCleaner$$getClassReader(ClosureCleaner.scala:42)
> 	at org.apache.flink.api.scala.ClosureCleaner$.getInnerClasses(ClosureCleaner.scala:90)
> pache.flink.api.scala.DataSet.clean(DataSet.scala:120)
> 	at org.apache.flink.ap
> 	at org.apache.flink.api.scala.ClosureCleaner$.clean(ClosureCleaner.scala:113)
> 	at org.
> ai.scala.DataSet$$anon$6.<init>(DataSet.scala:437)
> 	at org.apache.flink.api.scala.DataSet.filter(DataSet.scala:436)
> VI$sp(Regression2.scala:98)
> 	at scala.collection.immutable.Range.
> 	at AddFunctions$.splitIntoTrainingAndTest(AddFunctions.scala:42)
> 	at Regression2$$anonfun$mainRegression$1.apply$m
> cforeach$mVc$sp(Range.scala:141)
> 	at Regression2$.mainRegression(Regression2.scala:91)
> 	at MainClass$.main(MainClass.scala:41)
> 	at MainClass.main(MainClass.scala)
> elegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.
> D.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.flink.client.program.PackagedProgram.callMainMethod(PackagedProgram.java:437)
> tOptimizedPlan(Client.java:229)
> 	at org.apache.flink.client.web.JobSubmissionServlet.doGet(JobSubmissionServlet
> 	at org.apache.flink.client.program.PackagedProgram.invokeInteractiveModeForExecution(PackagedProgram.java:353)
> 	at org.apache.flink.client.program.Client.g
> e.java:186)
> 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:668)
> 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:770)
> 	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:532)
> doHandle(ContextHandler.java:965)
> 	at org.eclipse.jetty.servlet.ServletHandler
> 	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
> ..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)
> ection.java:596)
> 	at org.eclipse.jetty.server.HttpConnection$RequestHandler.
> 	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(HttpCon
> nheaderComplete(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)
>
>
>
>

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