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https://issues.apache.org/jira/browse/PIG-4439?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14343448#comment-14343448
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Daniel Dai commented on PIG-4439:
---------------------------------
Didn't see that before. Is it from the frontend or backend? Can you check if
"tez.lib.uris" in tez-site.xml points to right version of tez?
> Getting exception java.lang.VerifyError: class
> org.apache.tez.dag.api.records.DAGProtos$DAGPlan overrides final method
> getUnknownFields.()Lcom/google/protobuf/UnknownFieldSet, while trying to run
> Tez-0.5.2 on pig-0.14
> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: PIG-4439
> URL: https://issues.apache.org/jira/browse/PIG-4439
> Project: Pig
> Issue Type: Bug
> Reporter: Kunal Kumar
>
> Exception in thread "main" java.lang.VerifyError: class
> org.apache.tez.dag.api.records.DAGProtos$DAGPlan overrides final method
> getUnknownFields.()Lcom/google/protobuf/UnknownFieldSet;
> at java.lang.ClassLoader.defineClass1(Native Method)
> at java.lang.ClassLoader.defineClass(ClassLoader.java:800)
> at
> java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
> at java.net.URLClassLoader.defineClass(URLClassLoader.java:449)
> at java.net.URLClassLoader.access$100(URLClassLoader.java:71)
> at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
> at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
> at java.security.AccessController.doPrivileged(Native Method)
> at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
> at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
> at java.lang.Class.getDeclaredMethods0(Native Method)
> at java.lang.Class.privateGetDeclaredMethods(Class.java:2531)
> at java.lang.Class.getMethod0(Class.java:2774)
> at java.lang.Class.getMethod(Class.java:1663)
> at sun.launcher.LauncherHelper.getMainMethod(LauncherHelper.java:494)
> at sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:486)
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