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https://issues.apache.org/jira/browse/KNOX-935?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15997725#comment-15997725
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Sandeep More commented on KNOX-935:
-----------------------------------
Ah, I see, I follow your logic will try to trace the code and verify.
About JIRA, I think you have to be a contributor to assign it to yourself, can
you email the dev/user list, so someone can add you as a contributor.
And much thanks for finding it and taking this up !
> 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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