[FLINK-4011] Unable to access completed job in web frontend

• Type: Bug
• Status: Resolved
• Priority: Critical
• Resolution: Fixed
• Affects Version/s: 1.1.0
• Fix Version/s: 1.1.0
• Component/s: Runtime / Web Frontend
• Assignee: Robert Metzger
• Reporter: Robert Metzger
• Created: 02/Jun/16 13:27
• Updated: 09/Jun/16 09:09
• Resolved: 08/Jun/16 09:37

Description

In the current master, I'm not able to access a finished job's detail page.

The JobManager logs shows the following exception:

2016-06-02 15:23:08,581 WARN  org.apache.flink.runtime.webmonitor.RuntimeMonitorHandler     - Error while handling request
java.lang.RuntimeException: Couldn't deserialize ExecutionConfig.
        at org.apache.flink.runtime.webmonitor.handlers.JobConfigHandler.handleRequest(JobConfigHandler.java:52)
        at org.apache.flink.runtime.webmonitor.handlers.AbstractExecutionGraphRequestHandler.handleRequest(AbstractExecutionGraphRequestHandler.java:61)
        at org.apache.flink.runtime.webmonitor.RuntimeMonitorHandler.respondAsLeader(RuntimeMonitorHandler.java:88)
        at org.apache.flink.runtime.webmonitor.RuntimeMonitorHandlerBase.channelRead0(RuntimeMonitorHandlerBase.java:84)
        at org.apache.flink.runtime.webmonitor.RuntimeMonitorHandlerBase.channelRead0(RuntimeMonitorHandlerBase.java:44)
        at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:105)
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:339)
        at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:324)
        at io.netty.handler.codec.http.router.Handler.routed(Handler.java:62)
        at io.netty.handler.codec.http.router.DualAbstractHandler.channelRead0(DualAbstractHandler.java:57)
        at io.netty.handler.codec.http.router.DualAbstractHandler.channelRead0(DualAbstractHandler.java:20)
        at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:105)
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:339)
        at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:324)
        at org.apache.flink.runtime.webmonitor.HttpRequestHandler.channelRead0(HttpRequestHandler.java:105)
        at org.apache.flink.runtime.webmonitor.HttpRequestHandler.channelRead0(HttpRequestHandler.java:65)
        at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:105)
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:339)
        at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:324)
        at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:242)
        at io.netty.channel.CombinedChannelDuplexHandler.channelRead(CombinedChannelDuplexHandler.java:147)
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:339)
        at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:324)
        at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:847)
        at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:131)
        at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:511)
        at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:468)
        at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:382)
        at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:354)
        at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:111)
        at io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:137)
        at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.NullPointerException
        at org.apache.flink.util.SerializedValue.deserializeValue(SerializedValue.java:55)
        at org.apache.flink.runtime.webmonitor.handlers.JobConfigHandler.handleRequest(JobConfigHandler.java:50)
        ... 31 more

Issue Links

• relates to: FLINK-4037 Introduce ArchivedExecutionGraph without any user classes
• links to: GitHub Pull Request #2065