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https://issues.apache.org/jira/browse/HADOOP-14078?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15876451#comment-15876451
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Wei-Chiu Chuang commented on HADOOP-14078:
------------------------------------------

Thanks [~Apache9]. That is not what I saw initially, but that looks like a more 
serious JDK bug than a flaky test (which is what I initially speculated).

> TestRaceWhenRelogin fails occasionally
> --------------------------------------
>
>                 Key: HADOOP-14078
>                 URL: https://issues.apache.org/jira/browse/HADOOP-14078
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: security
>    Affects Versions: 2.9.0, 2.7.4, 2.6.6, 2.8.1, 3.0.0-alpha3
>         Environment: Precommit jenkins
>            Reporter: Wei-Chiu Chuang
>
> HADOOP-13433 added this test class and it failed in a few precommit jobs like 
> this one: 
> https://builds.apache.org/job/PreCommit-HADOOP-Build/11616/testReport/org.apache.hadoop.security/TestRaceWhenRelogin/test/
> There were a lot of errors in the test, starting with this one
> {noformat}
> 2017-02-13 12:26:01,838 ERROR impl.DefaultKdcHandler 
> (DefaultKdcHandler.java:handleMessage(71)) - Error occured while processing 
> request:
> org.apache.kerby.kerberos.kerb.KrbException: Integrity check on decrypted 
> field failed
>       at 
> org.apache.kerby.kerberos.kerb.crypto.enc.KeKiEnc.decryptWith(KeKiEnc.java:127)
>       at 
> org.apache.kerby.kerberos.kerb.crypto.enc.AbstractEncTypeHandler.decrypt(AbstractEncTypeHandler.java:150)
>       at 
> org.apache.kerby.kerberos.kerb.crypto.enc.AbstractEncTypeHandler.decrypt(AbstractEncTypeHandler.java:138)
>       at 
> org.apache.kerby.kerberos.kerb.crypto.EncryptionHandler.decrypt(EncryptionHandler.java:228)
>       at 
> org.apache.kerby.kerberos.kerb.common.EncryptionUtil.unseal(EncryptionUtil.java:136)
>       at 
> org.apache.kerby.kerberos.kerb.server.request.TgsRequest.verifyAuthenticator(TgsRequest.java:138)
>       at 
> org.apache.kerby.kerberos.kerb.server.preauth.builtin.TgtPreauth.verify(TgtPreauth.java:41)
>       at 
> org.apache.kerby.kerberos.kerb.server.preauth.PreauthHandle.verify(PreauthHandle.java:46)
>       at 
> org.apache.kerby.kerberos.kerb.server.preauth.PreauthHandler.verify(PreauthHandler.java:101)
>       at 
> org.apache.kerby.kerberos.kerb.server.request.KdcRequest.preauth(KdcRequest.java:562)
>       at 
> org.apache.kerby.kerberos.kerb.server.request.KdcRequest.process(KdcRequest.java:181)
>       at 
> org.apache.kerby.kerberos.kerb.server.KdcHandler.handleMessage(KdcHandler.java:115)
>       at 
> org.apache.kerby.kerberos.kerb.server.impl.DefaultKdcHandler.handleMessage(DefaultKdcHandler.java:67)
>       at 
> org.apache.kerby.kerberos.kerb.server.impl.DefaultKdcHandler.run(DefaultKdcHandler.java:52)
>       at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
>       at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
>       at java.lang.Thread.run(Thread.java:745)
> {noformat}



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