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https://issues.apache.org/jira/browse/SAMZA-783?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15091123#comment-15091123
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David J. Garcia commented on SAMZA-783:
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Has anyone looked at this. I'm having the same problem.
> Unable to connect to Job coordinator server
> -------------------------------------------
>
> Key: SAMZA-783
> URL: https://issues.apache.org/jira/browse/SAMZA-783
> Project: Samza
> Issue Type: Bug
> Components: container
> Affects Versions: 0.10.0
> Environment: Linux 2.6.32-504.el6.x86_64
> redhat-release-server-6Server-6.6.0.2.el6.x86_64
> Oracle Java 1.8
> Yarn 2.7.1
> Kafka 0.8.2
> Samza 0.10
> Reporter: Edi Bice
>
> The following repeats for every container launched until the job is failed:
> LogType:samza-container-2.log
> Log Upload Time:Wed Sep 30 18:41:45 +0000 2015
> LogLength:3465
> Log Contents:
> 2015-09-30 18:26:40 SamzaContainer$ [INFO] Got container ID: 2
> 2015-09-30 18:26:40 SamzaContainer$ [INFO] Got coordinator URL:
> http://10.49.215.34:38484/
> 2015-09-30 18:26:40 SamzaContainer$ [INFO] Fetching configuration from:
> http://10.49.215.34:38484/
> 2015-09-30 18:27:41 Util$ [ERROR] Unable to connect to Job coordinator
> server, received exception
> java.net.SocketTimeoutException: Read timed out
> at java.net.SocketInputStream.socketRead0(Native Method)
> at java.net.SocketInputStream.socketRead(SocketInputStream.java:116)
> at java.net.SocketInputStream.read(SocketInputStream.java:170)
> at java.net.SocketInputStream.read(SocketInputStream.java:141)
> at java.io.BufferedInputStream.fill(BufferedInputStream.java:246)
> at java.io.BufferedInputStream.read1(BufferedInputStream.java:286)
> at java.io.BufferedInputStream.read(BufferedInputStream.java:345)
> at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:704)
> at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:647)
> at
> sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1535)
> at
> sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1440)
> at
> java.net.HttpURLConnection.getResponseCode(HttpURLConnection.java:480)
> at org.apache.samza.util.Util$$anonfun$read$1.apply(Util.scala:131)
> at org.apache.samza.util.Util$$anonfun$read$1.apply(Util.scala:130)
> at
> org.apache.samza.util.ExponentialSleepStrategy.run(ExponentialSleepStrategy.scala:82)
> at org.apache.samza.util.Util$.read(Util.scala:130)
> at
> org.apache.samza.container.SamzaContainer$.readJobModel(SamzaContainer.scala:112)
> at
> org.apache.samza.container.SamzaContainer$.safeMain(SamzaContainer.scala:86)
> at
> org.apache.samza.container.SamzaContainer$.main(SamzaContainer.scala:69)
> at
> org.apache.samza.container.SamzaContainer.main(SamzaContainer.scala)
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