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Mon, 13 Jul 2015 13:09:43 +0000 From: Michele Bertoni To: "user@flink.apache.org" Subject: Re: local web-client error Thread-Topic: local web-client error Thread-Index: AQHQvIQxV7Jr7yOgFU6YjnMqmaYd5Z3ZXssAgAAChgA= Date: Mon, 13 Jul 2015 13:09:42 +0000 Message-ID: References: <346420D2-4467-48CD-9F44-5089B17A6052@mail.polimi.it> In-Reply-To: Accept-Language: it-IT, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: flink.apache.org; dkim=none (message not signed) header.d=none; x-ms-exchange-messagesentrepresentingtype: 1 x-originating-ip: [158.110.225.2] x-microsoft-exchange-diagnostics: 1;DB4PR06MB0845;5:ukWLo5Vru4ic/UKigmXka3+BdqmjPPc4YZd8rOxYSlV7iLFXufm9CiFQVeTzwvTnoyEUm+ClQr/kNXI707J66RMgySE0yDU3HLBeIeHYpVNWmF7a0VD5kfVHxrR8stlYkv8om3jDG+NUsFRXRsFmAA==;24:FUxx7fpBJinT7u1sSLDP1W8lkg+Ld5M0CbtyDMYV/+cuXGzQqWTGaoYXeSoGujHT6ZlSeif2xTWEH47PHxd14dHEhrpza6pFZ90kR1O2KbU=;20:/mWkfRPrShe+67sUqcHd2/ykDweAW5FnD43W31nWZqZ2oCmuVIs4ZcVDvHiLk3BmHP20ZY8x0N1sitEVFb/YVw== x-microsoft-antispam: UriScan:;BCL:0;PCL:0;RULEID:;SRVR:DB4PR06MB0845; 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charset="us-ascii" Content-Transfer-Encoding: quoted-printable Sure, this is it Actually it usually happens when i see the graph, go back change a little the program and recreate the package with maven (same name = for the jar) re-upload the package and try to re-start it killing e restarting the web-client solve the problem 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.ClassRe= ader.a(Unknown Source) at com.esotericsoftware.reflectasm.shaded.org.objectweb.asm.ClassRe= ader.(Unknown Source) at org.apache.flink.api.scala.ClosureCleaner$.org$apache$flink$api$= scala$ClosureCleaner$$getClassReader(ClosureCleaner.scala:42) at org.apache.flink.api.scala.ClosureCleaner$.getInnerClasses(Closu= reCleaner.scala:90) at org.apache.flink.api.scala.ClosureCleaner$.clean(ClosureCleaner.= scala:113) at org.apache.flink.api.scala.DataSet.clean(DataSet.scala:120) at org.apache.flink.api.scala.DataSet$$anon$6.(DataSet.scala:= 437) at org.apache.flink.api.scala.DataSet.filter(DataSet.scala:436) at it.polimi.query.GSelect4$.binRegionsSelection(GSelect4.scala:104= ) at it.polimi.query.GSelect4$.apply(GSelect4.scala:59) at it.polimi.Main$.main(Main.scala:50) at it.polimi.Main.main(Main.scala) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessor= Impl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethod= AccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.apache.flink.client.program.PackagedProgram.callMainMethod(P= ackagedProgram.java:437) at org.apache.flink.client.program.PackagedProgram.invokeInteractiv= eModeForExecution(PackagedProgram.java:353) at org.apache.flink.client.program.Client.getOptimizedPlan(Client.j= ava:229) at org.apache.flink.client.web.JobSubmissionServlet.doGet(JobSubmis= sionServlet.java:183) 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.jav= a:532) at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler= .java:453) at org.eclipse.jetty.server.session.SessionHandler.doHandle(Session= Handler.java:227) at org.eclipse.jetty.server.handler.ContextHandler.doHandle(Context= Handler.java:965) at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.= java:388) at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionH= andler.java:187) at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextH= andler.java:901) at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHand= ler.java:117) at org.eclipse.jetty.server.handler.HandlerList.handle(HandlerList.= java:47) at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWr= apper.java:113) at org.eclipse.jetty.server.Server.handle(Server.java:352) at org.eclipse.jetty.server.HttpConnection.handleRequest(HttpConnec= tion.java:596) at org.eclipse.jetty.server.HttpConnection$RequestHandler.headerCom= plete(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.ja= va:425) at org.eclipse.jetty.io.nio.SelectChannelEndPoint.run(SelectChannel= EndPoint.java:489) at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThrea= dPool.java:436) at java.lang.Thread.run(Thread.java:744) Il giorno 13/lug/2015, alle ore 15:00, Maximilian Michels > ha scritto: Hi Michele, Sorry to hear you are experiencing problems with the web client. Which vers= ion of Flink are you using? Could you paste the whole error message you see? Thank you. Best regards, Max On Sun, Jul 12, 2015 at 11:21 AM, Michele Bertoni > wrote: I think there is a problem with the web-client Quite often I can use it for a single run and then it crash especially if after seeing the graph i click back, on the second run i get = a class not found exception from terminal i have to stop and restart it and it works again Michele --_000_DA972AEE285444F484B61E5C497E2DC7mailpolimiit_ Content-Type: text/html; charset="us-ascii" Content-ID: <4D77471D54DF864AA109FF7BCAB3D58D@eurprd06.prod.outlook.com> Content-Transfer-Encoding: quoted-printable
Sure, this is it
Actually it usually happens when i see the grap= h, go back
change a little the program and recreate the pa= ckage with maven (same name for the jar)
re-upload the package and try to re-start it

killing e restarting the web-client solve the p= roblem


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.&l=
t;init>(Unknown Source)
	at org.apache.flink.api.scala.ClosureCleaner$.org$apache$flink$api$scala$C=
losureCleaner$$getClassReader(ClosureCleaner.scala:42)
	at org.apache.flink.api.scala.ClosureCleaner$.getInnerClasses(ClosureClean=
er.scala:90)
	at org.apache.flink.api.scala.ClosureCleaner$.clean(ClosureCleaner.scala:1=
13)
	at org.apache.flink.api.scala.DataSet.clean(DataSet.scala:120)
	at org.apache.flink.api.scala.DataSet$$anon$6.<init>(DataSet.scala:4=
37)
	at org.apache.flink.api.scala.DataSet.filter(DataSet.scala:436)
	at it.polimi.query.GSelect4$.binRegionsSelection(GSelect4.scala:104)
	at it.polimi.query.GSelect4$.apply(GSelect4.scala:59)
	at it.polimi.Main$.main(Main.scala:50)
	at it.polimi.Main.main(Main.scala)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.ja=
va:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccesso=
rImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at org.apache.flink.client.program.PackagedProgram.callMainMethod(Packaged=
Program.java:437)
	at org.apache.flink.client.program.PackagedProgram.invokeInteractiveModeFo=
rExecution(PackagedProgram.java:353)
	at org.apache.flink.client.program.Client.getOptimizedPlan(Client.java:229=
)
	at org.apache.flink.client.web.JobSubmissionServlet.doGet(JobSubmissionSer=
vlet.java:183)
	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)
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:4=
53)
	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:38=
8)
	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.jav=
a:117)
	at org.eclipse.jetty.server.handler.HandlerList.handle(HandlerList.java:47=
)
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.j=
ava:113)
	at org.eclipse.jetty.server.Server.handle(Server.java:352)
	at org.eclipse.jetty.server.HttpConnection.handleRequest(HttpConnection.ja=
va:596)
	at org.eclipse.jetty.server.HttpConnection$RequestHandler.headerComplete(H=
ttpConnection.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(SelectChannelEndPoin=
t.java:489)
	at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.j=
ava:436)
	at java.lang.Thread.run(Thread.java:744)



Il giorno 13/lug/2015, alle ore 15:00, Maximilian Michels &= lt;mxm@apache.org> ha s= critto:

Hi Michele,

Sorry to hear you are experiencing problems with the web client. Which vers= ion of Flink are you using?

Could you paste the whole error message you see? Thank you.=

Best regards,
Max

On Sun, Jul 12, 2015 at 11:21 AM, Michele Berton= i <michele1.bertoni@mail.polimi.it> wrote:
I think there is a problem with the web-client

Quite often I can use it for a single run and then it crash
especially if after seeing the graph i click back, on the second run i get = a class not found exception

from terminal i have to stop and restart it and it works again


Michele


--_000_DA972AEE285444F484B61E5C497E2DC7mailpolimiit_--