(tomcat) branch 9.0.x updated: Avoid sendError ISE

[remm]

This is an automated email from the ASF dual-hosted git repository.

remm pushed a commit to branch 9.0.x
in repository https://gitbox.apache.org/repos/asf/tomcat.git


The following commit(s) were added to refs/heads/9.0.x by this push:
     new bfb6ffcad7 Avoid sendError ISE
bfb6ffcad7 is described below

commit bfb6ffcad7cea76712f5e398fb4c19a5d10248ac
Author: remm <r...@apache.org>
AuthorDate: Tue Apr 9 14:23:35 2024 +0200

    Avoid sendError ISE
    
    BZ68862
---
 java/org/apache/catalina/filters/FailedRequestFilter.java | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/java/org/apache/catalina/filters/FailedRequestFilter.java 
b/java/org/apache/catalina/filters/FailedRequestFilter.java
index 2d14bac26d..8d4e451c6b 100644
--- a/java/org/apache/catalina/filters/FailedRequestFilter.java
+++ b/java/org/apache/catalina/filters/FailedRequestFilter.java
@@ -87,7 +87,11 @@ public class FailedRequestFilter extends FilterBase {
                     break;
             }
 
-            ((HttpServletResponse) response).sendError(status);
+            try {
+                ((HttpServletResponse) response).sendError(status);
+            } catch (IllegalStateException e) {
+                // Already committed, ignore
+            }
             return;
         }
         chain.doFilter(request, response);


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