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Posted to dev@knox.apache.org by "Sandeep More (JIRA)" <ji...@apache.org> on 2017/05/05 01:48:04 UTC

[jira] [Commented] (KNOX-935) NPE in DefaultDispatch.executeOutboundRequest

    [ https://issues.apache.org/jira/browse/KNOX-935?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15997712#comment-15997712 ] 

Sandeep More commented on KNOX-935:
-----------------------------------

Hello [~ajithshetty]
Do you have any details on how to reproduce this issue or details on how you encountered it.



> NPE in DefaultDispatch.executeOutboundRequest
> ---------------------------------------------
>
>                 Key: KNOX-935
>                 URL: https://issues.apache.org/jira/browse/KNOX-935
>             Project: Apache Knox
>          Issue Type: Bug
>            Reporter: Ajith S
>
> {code}
> Caused by: javax.servlet.ServletException: java.lang.NullPointerException
> 	at org.apache.hadoop.gateway.filter.AbstractGatewayFilter.doFilter(AbstractGatewayFilter.java:70)
> 	at org.apache.hadoop.gateway.GatewayFilter$Holder.doFilter(GatewayFilter.java:315)
> 	at org.apache.hadoop.gateway.GatewayFilter$Chain.doFilter(GatewayFilter.java:215)
> 	at com.example.knox.filter.FooLogoutFilter.doFilter(FooLogoutFilter.java:63)
> 	at org.apache.hadoop.gateway.GatewayFilter$Holder.doFilter(GatewayFilter.java:315)
> 	at org.apache.hadoop.gateway.GatewayFilter$Chain.doFilter(GatewayFilter.java:215)
> 	at org.apache.hadoop.gateway.filter.security.AbstractIdentityAssertionFilter.doFilterInternal(AbstractIdentityAssertionFilter.java:209)
> 	at org.apache.hadoop.gateway.filter.security.AbstractIdentityAssertionFilter.continueChainAsPrincipal(AbstractIdentityAssertionFilter.java:157)
> 	at com.example.knox.filter.FooIdentityAssertionFilter.doFilter(FooIdentityAssertionFilter.java:36)
> 	at org.apache.hadoop.gateway.GatewayFilter$Holder.doFilter(GatewayFilter.java:315)
> 	at org.apache.hadoop.gateway.GatewayFilter$Chain.doFilter(GatewayFilter.java:215)
> 	at org.apache.hadoop.gateway.filter.rewrite.api.UrlRewriteServletFilter.doFilter(UrlRewriteServletFilter.java:60)
> 	at org.apache.hadoop.gateway.filter.AbstractGatewayFilter.doFilter(AbstractGatewayFilter.java:61)
> 	at org.apache.hadoop.gateway.GatewayFilter$Holder.doFilter(GatewayFilter.java:315)
> 	at org.apache.hadoop.gateway.GatewayFilter$Chain.doFilter(GatewayFilter.java:215)
> 	at org.apache.hadoop.gateway.filter.ShiroSubjectIdentityAdapter$CallableChain$1.run(ShiroSubjectIdentityAdapter.java:93)
> 	at org.apache.hadoop.gateway.filter.ShiroSubjectIdentityAdapter$CallableChain$1.run(ShiroSubjectIdentityAdapter.java:90)
> 	... 59 more
> Caused by: java.lang.NullPointerException
> 	at org.apache.hadoop.gateway.dispatch.DefaultDispatch.executeOutboundRequest(DefaultDispatch.java:119)
> 	at org.apache.hadoop.gateway.dispatch.DefaultDispatch.executeRequest(DefaultDispatch.java:105)
> 	at org.apache.hadoop.gateway.dispatch.DefaultDispatch.doGet(DefaultDispatch.java:285)
> 	at org.apache.hadoop.gateway.dispatch.GatewayDispatchFilter$GetAdapter.doMethod(GatewayDispatchFilter.java:130)
> 	at org.apache.hadoop.gateway.dispatch.GatewayDispatchFilter.doFilter(GatewayDispatchFilter.java:102)
> 	at org.apache.hadoop.gateway.filter.AbstractGatewayFilter.doFilter(AbstractGatewayFilter.java:61)
> 	... 75 more
> {code}



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