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Posted to issues@spark.apache.org by "Maciej Bryński (JIRA)" <ji...@apache.org> on 2016/06/10 10:16:20 UTC
[jira] [Created] (SPARK-15869) HTTP 500 and NPE on streaming batch
details page
Maciej Bryński created SPARK-15869:
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Summary: HTTP 500 and NPE on streaming batch details page
Key: SPARK-15869
URL: https://issues.apache.org/jira/browse/SPARK-15869
Project: Spark
Issue Type: Bug
Components: Streaming
Affects Versions: 2.0.0
Reporter: Maciej Bryński
When I'm trying to show details of streaming batch I'm getting NPE.
Sample link:
http://127.0.0.1:4040/streaming/batch/?id=1465553700000
Error:
{code}
HTTP ERROR 500
Problem accessing /streaming/batch/. Reason:
Server Error
Caused by:
java.lang.NullPointerException
at scala.collection.convert.Wrappers$JCollectionWrapper.iterator(Wrappers.scala:59)
at scala.collection.IterableLike$class.foreach(IterableLike.scala:72)
at scala.collection.AbstractIterable.foreach(Iterable.scala:54)
at scala.collection.TraversableLike$class.groupBy(TraversableLike.scala:320)
at scala.collection.AbstractTraversable.groupBy(Traversable.scala:104)
at org.apache.spark.streaming.ui.BatchPage.generateJobTable(BatchPage.scala:273)
at org.apache.spark.streaming.ui.BatchPage.render(BatchPage.scala:358)
at org.apache.spark.ui.WebUI$$anonfun$2.apply(WebUI.scala:81)
at org.apache.spark.ui.WebUI$$anonfun$2.apply(WebUI.scala:81)
at org.apache.spark.ui.JettyUtils$$anon$2.doGet(JettyUtils.scala:83)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:687)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
at org.spark_project.jetty.servlet.ServletHolder.handle(ServletHolder.java:812)
at org.spark_project.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:587)
at org.spark_project.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1127)
at org.spark_project.jetty.servlet.ServletHandler.doScope(ServletHandler.java:515)
at org.spark_project.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1061)
at org.spark_project.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
at org.spark_project.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:215)
at org.spark_project.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)
at org.spark_project.jetty.server.Server.handle(Server.java:499)
at org.spark_project.jetty.server.HttpChannel.handle(HttpChannel.java:311)
at org.spark_project.jetty.server.HttpConnection.onFillable(HttpConnection.java:257)
at org.spark_project.jetty.io.AbstractConnection$2.run(AbstractConnection.java:544)
at org.spark_project.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635)
at org.spark_project.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555)
at java.lang.Thread.run(Thread.java:745)
{code}
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