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https://issues.apache.org/jira/browse/BEAM-7440?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16849877#comment-16849877
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Maximilian Michels commented on BEAM-7440:
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You have to include Hadoop in the classpath. You could simply include the jar
for the tests. Or build a version of Beam which includes Hadoop.
> Cannot setup flink 1.8 on dataproc (testing infrastructure).
> ------------------------------------------------------------
>
> Key: BEAM-7440
> URL: https://issues.apache.org/jira/browse/BEAM-7440
> Project: Beam
> Issue Type: Bug
> Components: testing
> Reporter: Lukasz Gajowy
> Priority: Major
>
> Since flink 1.8 I get the following error while setting up Flink Dataproc
> cluster:
>
> {code:java}
> Error: A JNI error has occurred, please check your installation and try again
> Exception in thread "main" java.lang.NoClassDefFoundError:
> org/apache/hadoop/yarn/exceptions/YarnException
> at java.lang.Class.getDeclaredMethods0(Native Method)
> at java.lang.Class.privateGetDeclaredMethods(Class.java:2701)
> at java.lang.Class.privateGetMethodRecursive(Class.java:3048)
> at java.lang.Class.getMethod0(Class.java:3018)
> at java.lang.Class.getMethod(Class.java:1784)
> at sun.launcher.LauncherHelper.validateMainClass(LauncherHelper.java:544)
> at sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:526)
> Caused by: java.lang.ClassNotFoundException:
> org.apache.hadoop.yarn.exceptions.YarnException
> at java.net.URLClassLoader.findClass(URLClassLoader.java:382)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
> at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
> ... 7 more{code}
>
> It happens when yarn is started on Dataproc (possibly conflict of
> dependencies or missing ones).
> I used this image:
> {code:java}
> http://archive.apache.org/dist/flink/flink-1.8.0/flink-1.8.0-bin-scala_2.11.tgz
> {code}
>
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