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https://issues.apache.org/jira/browse/AMBARI-25200?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17612211#comment-17612211
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Zhiguo Wu commented on AMBARI-25200:
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Thanks [~dmitriusan] ! Would you like to create another PR for trunk branch ?
> Ambari returns stack trace in HTML doc when an error occurs retrieving
> details for a user resource that does not exist
> ----------------------------------------------------------------------------------------------------------------------
>
> Key: AMBARI-25200
> URL: https://issues.apache.org/jira/browse/AMBARI-25200
> Project: Ambari
> Issue Type: Bug
> Components: ambari-server
> Affects Versions: 2.7.3
> Reporter: Dmitry Lysnichenko
> Assignee: Dmitry Lysnichenko
> Priority: Minor
> Labels: pull-request-available
> Fix For: 2.7.4
>
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> Ambari returns stack trace in HTML doc when an error occurs retrieving
> details for a user resource that does not exist. The acting user must be an
> Ambari Administrator:
> {noformat}
> curl -u admin:admin -X GET
> http://localhost:8080/api/v1/users/doesnotexist/authorizations?fields=*
> {noformat}
> {noformat}
> <html>
> <head>
> <meta http-equiv="Content-Type" content="text/html;charset=utf-8"/>
> <title>Error 500 Server Error</title>
> </head>
> <body><h2>HTTP ERROR 500</h2>
> <p>Problem accessing /api/v1/users/anyotheruser/authorizations. Reason:
> <pre> Server Error</pre></p><h3>Caused
> by:</h3><pre>com.google.common.cache.CacheLoader$InvalidCacheLoadException:
> CacheLoader returned null for key anyotheruser.
> at
> com.google.common.cache.LocalCache$Segment.getAndRecordStats(LocalCache.java:2350)
> at com.google.common.cache.LocalCache$Segment.loadSync(LocalCache.java:2320)
> at
> com.google.common.cache.LocalCache$Segment.lockedGetOrLoad(LocalCache.java:2282)
> at com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2197)
> at com.google.common.cache.LocalCache.get(LocalCache.java:3937)
> at com.google.common.cache.LocalCache.getOrLoad(LocalCache.java:3941)
> at
> com.google.common.cache.LocalCache$LocalLoadingCache.get(LocalCache.java:4824)
> at
> com.google.common.cache.LocalCache$LocalLoadingCache.getUnchecked(LocalCache.java:4830)
> at
> org.apache.ambari.server.controller.internal.UserPrivilegeResourceProvider.getResources(UserPrivilegeResourceProvider.java:282)
> ...
> {noformat}
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