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Posted to dev@knox.apache.org by "Krishna Pandey (JIRA)" <ji...@apache.org> on 2016/07/13 03:23:20 UTC
[jira] [Created] (KNOX-722) Null Pointer Exception while accessing
Services via Knox SSO configured for OKTA
Krishna Pandey created KNOX-722:
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Summary: Null Pointer Exception while accessing Services via Knox SSO configured for OKTA
Key: KNOX-722
URL: https://issues.apache.org/jira/browse/KNOX-722
Project: Apache Knox
Issue Type: Bug
Components: Server
Affects Versions: 0.9.0
Environment: All
Reporter: Krishna Pandey
Priority: Critical
When trying to access services e.g. Ranger using Knox Single Sign-On configured for Okta, we are getting HTTP 500 Error. Error is caused due to Null Pointer Exception which can be seen in gateway.log, relevant log below:
{noformat}
2016-07-12 21:24:11,131 ERROR hadoop.gateway (AbstractGatewayFilter.java:doFilter(69)) - Failed to execute filter: java.lang.NullPointerException
2016-07-12 21:24:11,132 ERROR hadoop.gateway (GatewayFilter.java:doFilter(145)) - Gateway processing failed: javax.servlet.ServletException: java.lang.NullPointerException
javax.servlet.ServletException: java.lang.NullPointerException
at org.apache.hadoop.gateway.filter.AbstractGatewayFilter.doFilter(AbstractGatewayFilter.java:70)
at org.apache.hadoop.gateway.GatewayFilter$Holder.doFilter(GatewayFilter.java:332)
at org.apache.hadoop.gateway.GatewayFilter$Chain.doFilter(GatewayFilter.java:232)
at org.apache.hadoop.gateway.GatewayFilter.doFilter(GatewayFilter.java:139)
at org.apache.hadoop.gateway.GatewayFilter.doFilter(GatewayFilter.java:91)
at org.apache.hadoop.gateway.GatewayServlet.service(GatewayServlet.java:138)
at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:812)
at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:587)
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)
at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:577)
at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:223)
at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1127)
at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:515)
at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)
at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1061)
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:215)
at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)
at org.apache.hadoop.gateway.trace.TraceHandler.handle(TraceHandler.java:51)
at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)
at org.apache.hadoop.gateway.filter.CorrelationHandler.handle(CorrelationHandler.java:39)
at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:110)
at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)
at org.eclipse.jetty.server.Server.handle(Server.java:499)
at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:311)
at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:257)
at org.eclipse.jetty.io.AbstractConnection$2.run(AbstractConnection.java:544)
at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635)
at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.NullPointerException
at org.apache.hadoop.gateway.pac4j.filter.Pac4jDispatcherFilter.doFilter(Pac4jDispatcherFilter.java:209)
at org.apache.hadoop.gateway.GatewayFilter$Holder.doFilter(GatewayFilter.java:332)
at org.apache.hadoop.gateway.GatewayFilter$Chain.doFilter(GatewayFilter.java:232)
at org.apache.hadoop.gateway.filter.XForwardedHeaderFilter.doFilter(XForwardedHeaderFilter.java:30)
{noformat}
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