We'll try to fix the issue for the upcoming milestone release... On Tue, Sep 8, 2015 at 8:33 PM, Robert Metzger <rmetz...@apache.org> wrote:
> As I said, the workaround is using the "bin/flink" tool from the command > line. > I think it should be possible to add a "student" account on the cluster to > access the Flink installation? > > On Tue, Sep 8, 2015 at 12:36 PM, Florian Heyl <f.h...@gmx.de> wrote: > >> Ok I see, thank you. Do not have experience with that but does there >> exists a possible work around? >> >> >> Am 08.09.2015 um 13:13 schrieb Robert Metzger <rmetz...@apache.org>: >> >> That's the bug: https://issues.apache.org/jira/browse/FLINK-2632 >> >> On Tue, Sep 8, 2015 at 1:11 PM, Robert Metzger <rmetz...@apache.org> >> wrote: >> >>> There is a bug in the web client which sets the wrong class loader when >>> running the user code. >>> >>> On Tue, Sep 8, 2015 at 12:05 PM, Florian Heyl <f.h...@gmx.de> wrote: >>> >>>> Locally we are using the 0.9-SNAPSHOT but the cluster should work with >>>> the 0.10-SNAPSHOT. I have no direct control of the cluster because our prof >>>> is responsible for that. >>>> The students are using the flink web submission client to upload their >>>> jar and run it on the cluster. >>>> >>>> >>>> Am 08.09.2015 um 12:48 schrieb Robert Metzger <rmetz...@apache.org>: >>>> >>>> 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.h...@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) >>>>> >>>>> >>>>> >>>>> >>>> >>>> >>> >> >> >