Charan Hebri created YARN-8247:
----------------------------------

             Summary: Incorrect HTTP status code returned by ATSv2 for 
non-whitelisted users
                 Key: YARN-8247
                 URL: https://issues.apache.org/jira/browse/YARN-8247
             Project: Hadoop YARN
          Issue Type: Bug
          Components: ATSv2
            Reporter: Charan Hebri


When using the below configuration in ATSv2 reader,
{noformat}
yarn.timeline-service.read.authentication.enabled=true
yarn.timeline-service.read.allowed.users=user1,user2{noformat}
A query with user3 throws a Forbidden Exception with a status code of 500 
(internal Server Error) instead of the expected 403 for Forbidden. Stack trace 
of the response,
{noformat}
HTTP ERROR 500
Problem accessing /ws/v2/timeline/apps/application_1525427743175_0009. Reason:

    Server Error
Caused by:
org.apache.hadoop.yarn.webapp.ForbiddenException: java.lang.Exception: user 
user3 is not allowed to read TimelineService V2 data
        at 
org.apache.hadoop.yarn.server.timelineservice.reader.security.TimelineReaderWhitelistAuthorizationFilter.doFilter(TimelineReaderWhitelistAuthorizationFilter.java:80)
        at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1759)
        at 
org.apache.hadoop.security.authentication.server.AuthenticationFilter.doFilter(AuthenticationFilter.java:644)
        at 
org.apache.hadoop.security.authentication.server.AuthenticationFilter.doFilter(AuthenticationFilter.java:592)
        at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1759)
        at 
org.apache.hadoop.security.http.CrossOriginFilter.doFilter(CrossOriginFilter.java:98)
        at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1759)
        at 
org.apache.hadoop.http.HttpServer2$QuotingInputFilter.doFilter(HttpServer2.java:1601)
        at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1759)
        at org.apache.hadoop.http.NoCacheFilter.doFilter(NoCacheFilter.java:45)
        at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1759)
        at 
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:582)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)
        at 
org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548)
        at 
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:226)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1180)
        at 
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:512)
        at 
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1112)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
        at 
org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:119)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:134)
        at org.eclipse.jetty.server.Server.handle(Server.java:534)
        at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:320)
        at 
org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:251)
        at 
org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:283)
        at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:108)
        at 
org.eclipse.jetty.io.SelectChannelEndPoint$2.run(SelectChannelEndPoint.java:93)
        at 
org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:303)
        at 
org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
        at 
org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
        at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.Exception: user user3 is not allowed to read 
TimelineService V2 data
        at 
org.apache.hadoop.yarn.webapp.ForbiddenException.<init>(ForbiddenException.java:41)
        ... 34 more{noformat}
cc [~vrushalic]



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