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https://issues.apache.org/jira/browse/SPARK-22365?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16276564#comment-16276564
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Jakub Dubovsky commented on SPARK-22365:
----------------------------------------
In my instance it looks like it is a result of some dependency version
conflict. I submit my spark using [spark
notebook|https://github.com/spark-notebook/spark-notebook]. Since that is a web
application as well it conflicts with spark UI somehow. I will dig deeper once
this is closer to top of my back log...
[~xwc3504] Thanks for posting this here! What kind of setup do you have? Do you
use spark notebook as well?
> Spark UI executors empty list with 500 error
> --------------------------------------------
>
> Key: SPARK-22365
> URL: https://issues.apache.org/jira/browse/SPARK-22365
> Project: Spark
> Issue Type: Bug
> Components: Web UI
> Affects Versions: 2.2.0
> Reporter: Jakub Dubovsky
> Attachments: spark-executor-500error.png
>
>
> No data loaded on "execturos" tab in sparkUI with stack trace below. Apart
> from exception I have nothing more. But if I can test something to make this
> easier to resolve I am happy to help.
> {code}
> java.lang.NullPointerException
> at
> org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:388)
> at
> org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:341)
> at
> org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:228)
> at
> org.spark_project.jetty.servlet.ServletHolder.handle(ServletHolder.java:845)
> at
> org.spark_project.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1689)
> at
> org.apache.hadoop.yarn.server.webproxy.amfilter.AmIpFilter.doFilter(AmIpFilter.java:164)
> at
> org.spark_project.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1676)
> at
> org.spark_project.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:581)
> at
> org.spark_project.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1180)
> at
> org.spark_project.jetty.servlet.ServletHandler.doScope(ServletHandler.java:511)
> at
> org.spark_project.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1112)
> at
> org.spark_project.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
> at
> org.spark_project.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:461)
> at
> org.spark_project.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:213)
> at
> org.spark_project.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:134)
> at org.spark_project.jetty.server.Server.handle(Server.java:524)
> at
> org.spark_project.jetty.server.HttpChannel.handle(HttpChannel.java:319)
> at
> org.spark_project.jetty.server.HttpConnection.onFillable(HttpConnection.java:253)
> at
> org.spark_project.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:273)
> at
> org.spark_project.jetty.io.FillInterest.fillable(FillInterest.java:95)
> at
> org.spark_project.jetty.io.SelectChannelEndPoint$2.run(SelectChannelEndPoint.java:93)
> at
> org.spark_project.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:303)
> at
> org.spark_project.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
> at
> org.spark_project.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136)
> at
> org.spark_project.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
> at
> org.spark_project.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
> at java.lang.Thread.run(Thread.java:748)
> {code}
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