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Robert Metzger commented on FLINK-1551: --------------------------------------- >From the JM log: {code} 18:55:41,036 WARN org.apache.flink.runtime.jobmanager.web.JobManagerInfoServlet - java.lang.ClassCastException: scala.concurrent.impl.Promise$DefaultPromise cannot be cast to org.apache.flink.runtime.messages.JobManagerMessages$JobResponse at org.apache.flink.runtime.jobmanager.web.JobManagerInfoServlet.doGet(JobManagerInfoServlet.java:130) 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$2.run(QueuedThreadPool.java:436) at java.lang.Thread.run(Thread.java:745) {code} > Fix History view of JobManager web interface > -------------------------------------------- > > Key: FLINK-1551 > URL: https://issues.apache.org/jira/browse/FLINK-1551 > Project: Flink > Issue Type: Bug > Components: JobManager > Affects Versions: 0.9 > Reporter: Robert Metzger > Priority: Critical > > The JobManager web history view is not working. > {{scala.concurrent.impl.Promise$DefaultPromise cannot be cast to > org.apache.flink.runtime.messages.JobManagerMessages$JobResponse}} > According to git blame, the code has been touched in FLINK-1508. -- This message was sent by Atlassian JIRA (v6.3.4#6332)