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Posted to issues@spark.apache.org by "Saisai Shao (JIRA)" <ji...@apache.org> on 2015/08/12 14:44:45 UTC

[jira] [Created] (SPARK-9877) StandaloneRestServer NPE when submitting application

Saisai Shao created SPARK-9877:
----------------------------------

             Summary: StandaloneRestServer NPE when submitting application
                 Key: SPARK-9877
                 URL: https://issues.apache.org/jira/browse/SPARK-9877
             Project: Spark
          Issue Type: Bug
          Components: Spark Core
    Affects Versions: 1.4.1, 1.5.0
            Reporter: Saisai Shao


When submitting a simple SparkPi application using standalone cluster mode:

{code}
./bin/spark-submit --verbose --master spark://hw12100.local:6066 --deploy-mode cluster --class org.apache.spark.examples.SparkPi examples/target/scala-2.10/spark-examples-1.5.0-SNAPSHOT-hadoop2.6.0.jar
{code}

Client side throw such exceptions:

{noformat}
15/08/12 17:14:16 INFO rest.RestSubmissionClient: Submitting a request to launch an application in spark://hw12100.local:6066.
Exception in thread "main" org.apache.spark.deploy.rest.SubmitRestProtocolException: Malformed response received from server
	at org.apache.spark.deploy.rest.RestSubmissionClient.readResponse(RestSubmissionClient.scala:258)
	at org.apache.spark.deploy.rest.RestSubmissionClient.org$apache$spark$deploy$rest$RestSubmissionClient$$postJson(RestSubmissionClient.scala:219)
	at org.apache.spark.deploy.rest.RestSubmissionClient$$anonfun$createSubmission$3.apply(RestSubmissionClient.scala:84)
	at org.apache.spark.deploy.rest.RestSubmissionClient$$anonfun$createSubmission$3.apply(RestSubmissionClient.scala:80)
	at scala.collection.TraversableLike$WithFilter$$anonfun$foreach$1.apply(TraversableLike.scala:772)
	at scala.collection.IndexedSeqOptimized$class.foreach(IndexedSeqOptimized.scala:33)
	at scala.collection.mutable.ArrayOps$ofRef.foreach(ArrayOps.scala:108)
	at scala.collection.TraversableLike$WithFilter.foreach(TraversableLike.scala:771)
	at org.apache.spark.deploy.rest.RestSubmissionClient.createSubmission(RestSubmissionClient.scala:80)
	at org.apache.spark.deploy.rest.RestSubmissionClient$.run(RestSubmissionClient.scala:404)
	at org.apache.spark.deploy.rest.RestSubmissionClient$.main(RestSubmissionClient.scala:416)
	at org.apache.spark.deploy.rest.RestSubmissionClient.main(RestSubmissionClient.scala)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:497)
	at org.apache.spark.deploy.SparkSubmit$.org$apache$spark$deploy$SparkSubmit$$runMain(SparkSubmit.scala:672)
	at org.apache.spark.deploy.SparkSubmit$.doRunMain$1(SparkSubmit.scala:180)
	at org.apache.spark.deploy.SparkSubmit$.submit(SparkSubmit.scala:194)
	at org.apache.spark.deploy.SparkSubmit$.main(SparkSubmit.scala:120)
	at org.apache.spark.deploy.SparkSubmit.main(SparkSubmit.scala)
Caused by: com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
 at [Source: <html>
<head>
<meta http-equiv="Content-Type" content="text/html;charset=ISO-8859-1"/>
<title>Error 500 Server Error</title>
</head>
<body>
<h2>HTTP ERROR: 500</h2>
<p>Problem accessing /v1/submissions/create. Reason:
<pre>    Server Error</pre></p>
<hr /><i><small>Powered by Jetty://</small></i>




















</body>
</html>
; line: 1, column: 2]
	at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1419)
	at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:508)
	at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:437)
	at com.fasterxml.jackson.core.json.ReaderBasedJsonParser._handleOddValue(ReaderBasedJsonParser.java:1462)
	at com.fasterxml.jackson.core.json.ReaderBasedJsonParser.nextToken(ReaderBasedJsonParser.java:683)
	at com.fasterxml.jackson.databind.ObjectMapper._initForReading(ObjectMapper.java:3105)
	at com.fasterxml.jackson.databind.ObjectMapper._readMapAndClose(ObjectMapper.java:3051)
	at com.fasterxml.jackson.databind.ObjectMapper.readValue(ObjectMapper.java:2161)
	at org.json4s.jackson.JsonMethods$class.parse(JsonMethods.scala:19)
	at org.json4s.jackson.JsonMethods$.parse(JsonMethods.scala:44)
	at org.apache.spark.deploy.rest.SubmitRestProtocolMessage$.parseAction(SubmitRestProtocolMessage.scala:112)
	at org.apache.spark.deploy.rest.SubmitRestProtocolMessage$.fromJson(SubmitRestProtocolMessage.scala:130)
	at org.apache.spark.deploy.rest.RestSubmissionClient.readResponse(RestSubmissionClient.scala:241)
	... 20 more
{noformat}

also following exception in the master side:
{noformat}
java.lang.NullPointerException
        at org.apache.spark.deploy.rest.StandaloneSubmitRequestServlet.handleSubmit(StandaloneRestServer.scala:177)
        at org.apache.spark.deploy.rest.SubmitRequestServlet.doPost(RestSubmissionServer.scala:258)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:755)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:848)
        at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:684)
        at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:501)
        at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1086)
        at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:428)
        at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1020)
        at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135)
        at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116)
        at org.eclipse.jetty.server.Server.handle(Server.java:370)
        at org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:494)
        at org.eclipse.jetty.server.AbstractHttpConnection.content(AbstractHttpConnection.java:982)
        at org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.content(AbstractHttpConnection.java:1043)
        at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:865)
        at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:240)
        at org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:82)
        at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:667)
        at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:52)
        at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:608)
        at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:543)
        at java.lang.Thread.run(Thread.java:745)
{noformat}

Through investigating the code, {{masterEndpoint}} is null when creating {{StandaloneRestServer}} object, this object should be created after {{masterEndpoint}} is not null.




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