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ASF GitHub Bot commented on FLINK-4269: --------------------------------------- Github user nssalian commented on the issue: https://github.com/apache/flink/pull/2307 Hi @aditivin , welcome to the community. Thank you for the PR as well. A few suggestions: 1) Upon opening a PR, it is best to add more information regarding testing or even checks that you have done. I believe the PR template helps add more information with regards to testing /checks. 2) I don't see much testing that can be done here, anything you see that can help testing the debug logging, @aditivin? 3) One additional point would be to enable the travis build on your repository. (As Flink comes with a travis.yml all you need to do is to go to Travis, login with your github user and hit enable on the repo.) A local build helps understand if there are issues that could occur. This link should be helpful: https://github.com/mbonaci/mbo-storm/wiki/Integrate-Travis-CI-with-your-GitHub-repo > Decrease log level in RuntimeMonitorHandler > ------------------------------------------- > > Key: FLINK-4269 > URL: https://issues.apache.org/jira/browse/FLINK-4269 > Project: Flink > Issue Type: Improvement > Components: Webfrontend > Affects Versions: 1.1.0 > Reporter: Ufuk Celebi > Priority: Minor > > Having a browser window open which points to a page of an unavailable job > (for example from a previous cluster setup) leads to many log warning > messages like this in the job manager log file: > {code} > 2016-06-30 10:50:55,812 WARN > org.apache.flink.runtime.webmonitor.RuntimeMonitorHandler - Error while > handling request > org.apache.flink.runtime.webmonitor.NotFoundException: Could not find job > with id 343bd3c0c7415370d79e04f305b5a2e9 > at > org.apache.flink.runtime.webmonitor.handlers.AbstractExecutionGraphRequestHandler.handleRequest(AbstractExecutionGraphRequestHandler.java:58) > at > org.apache.flink.runtime.webmonitor.RuntimeMonitorHandler.respondAsLeader(RuntimeMonitorHandler.java:135) > at > org.apache.flink.runtime.webmonitor.RuntimeMonitorHandler.channelRead0(RuntimeMonitorHandler.java:112) > at > org.apache.flink.runtime.webmonitor.RuntimeMonitorHandler.channelRead0(RuntimeMonitorHandler.java:60) > 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:104) > 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) > {code} > Since the REST API calls are refreshed every X seconds, this can lead to > quite some log pollution. We might consider decreasing the log level to DEBUG > or TRACE even. -- This message was sent by Atlassian JIRA (v6.3.4#6332)