KNOX-1391 - Fix IllegalStateException when accessing Admin UI

apache · Jul 19, 2018 · 4fdefcb · 4fdefcb
1 parent 5298548
commit 4fdefcb
Showing 1 changed file with 7 additions and 2 deletions.
diff --git a/gateway-server/src/main/java/org/apache/knox/gateway/GatewayServlet.java b/gateway-server/src/main/java/org/apache/knox/gateway/GatewayServlet.java
@@ -168,8 +168,13 @@ public void doFilter( ServletRequest servletRequest, ServletResponse servletResp
       if( f != null ) {
         try {
           f.doFilter( servletRequest, servletResponse );
-          //TODO: This should really happen naturally somehow as part of being a filter.  This way will cause problems eventually.
-          chain.doFilter( servletRequest, servletResponse );
+
+          /* if response is committed in case of SSO redirect no need to apply further filters */
+          if(!servletResponse.isCommitted()) {
+            //TODO: This should really happen naturally somehow as part of being a filter.  This way will cause problems eventually.
+            chain.doFilter( servletRequest, servletResponse );
+          }
+
         } catch( IOException e ) {
           LOG.failedToExecuteFilter( e );
           throw e;