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https://issues.apache.org/jira/browse/HADOOP-15408?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16458731#comment-16458731
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Rushabh S Shah commented on HADOOP-15408:
-----------------------------------------
{quote}What exception did you see with this case?
{quote}
I didn't see any exceptions with this case.
{quote}Just going back to old approach.
{quote}
Sorry I wasn't clear with my previous comment. Let me be more clear this time.
We internally fixed this issue with {{HADOOP-15408-trunk.001.patch}} and the
spark jobs ran successfully after this fix.
Going back to [this
comment|https://issues.apache.org/jira/browse/HADOOP-15408?focusedCommentId=16452594&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-16452594],
I was asking that where did you see this stack trace ?
I assume you applied {{HADOOP-15408-trunk.001.patch}} patch and you
encountered some failure which showed that stack trace.
Let me know if still I am not clear.
> HADOOP-14445 broke Spark.
> -------------------------
>
> Key: HADOOP-15408
> URL: https://issues.apache.org/jira/browse/HADOOP-15408
> Project: Hadoop Common
> Issue Type: Bug
> Reporter: Rushabh S Shah
> Priority: Blocker
> Attachments: HADOOP-15408-trunk.001.patch, split.patch,
> split.prelim.patch
>
>
> Spark bundles hadoop related jars in their package.
> Spark expects backwards compatibility between minor versions.
> Their job failed after we deployed HADOOP-14445 in our test cluster.
> {noformat}
> 2018-04-20 21:09:53,245 INFO [main]
> org.apache.hadoop.mapreduce.v2.app.MRAppMaster: Executing with tokens:
> 2018-04-20 21:09:53,273 ERROR [main]
> org.apache.hadoop.mapreduce.v2.app.MRAppMaster: Error starting MRAppMaster
> java.util.ServiceConfigurationError:
> org.apache.hadoop.security.token.TokenIdentifier: Provider
> org.apache.hadoop.crypto.key.kms.KMSDelegationToken$
> KMSLegacyDelegationTokenIdentifier could not be instantiated
> at java.util.ServiceLoader.fail(ServiceLoader.java:232)
> at java.util.ServiceLoader.access$100(ServiceLoader.java:185)
> at java.util.ServiceLoader$LazyIterator.nextService(ServiceLoader.java:384)
> at java.util.ServiceLoader$LazyIterator.next(ServiceLoader.java:404)
> at java.util.ServiceLoader$1.next(ServiceLoader.java:480)
> at
> org.apache.hadoop.security.token.Token.getClassForIdentifier(Token.java:117)
> at org.apache.hadoop.security.token.Token.decodeIdentifier(Token.java:138)
> at org.apache.hadoop.security.token.Token.identifierToString(Token.java:393)
> at org.apache.hadoop.security.token.Token.toString(Token.java:413)
> at java.lang.String.valueOf(String.java:2994)
> at
> org.apache.commons.logging.impl.SLF4JLocationAwareLog.info(SLF4JLocationAwareLog.java:155)
> at
> org.apache.hadoop.mapreduce.v2.app.MRAppMaster.initAndStartAppMaster(MRAppMaster.java:1634)
> at org.apache.hadoop.mapreduce.v2.app.MRAppMaster.main(MRAppMaster.java:1583)
> Caused by: java.lang.NoSuchFieldError: TOKEN_LEGACY_KIND
> at
> org.apache.hadoop.crypto.key.kms.KMSDelegationToken$KMSLegacyDelegationTokenIdentifier.<init>(KMSDelegationToken.java:64)
> at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
> at
> sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
> at
> sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
> at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
> at java.lang.Class.newInstance(Class.java:442)
> at java.util.ServiceLoader$LazyIterator.nextService(ServiceLoader.java:380)
> ... 10 more
> 2018-04-20 21:09:53,278 INFO [main] org.apache.hadoop.util.ExitUtil: Exiting
> with status 1
> {noformat}
> Their classpath looks like
> {{\{...:hadoop-common-pre-HADOOP-14445.jar:.....:hadoop-common-with-HADOOP-14445.jar:....\}}}
> This is because the container loaded {{KMSDelegationToken}} class from an
> older jar and {{KMSLegacyDelegationTokenIdentifier}} from new jar and it
> fails when {{KMSLegacyDelegationTokenIdentifier}} wants to read
> {{TOKEN_LEGACY_KIND}} from {{KMSDelegationToken}} which doesn't exist before.
> Cc [~xiaochen]
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