(tomcat) branch 9.0.x updated: Fix likely NPE in trace log

[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 34ae635cd8 Fix likely NPE in trace log
34ae635cd8 is described below

commit 34ae635cd85ae3d4dfcb8c676722f4be3d7b2eb9
Author: remm <r...@apache.org>
AuthorDate: Fri Jul 4 15:55:03 2025 +0200

    Fix likely NPE in trace log
    
    Found by coverity.
---
 java/org/apache/catalina/servlets/DefaultServlet.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/java/org/apache/catalina/servlets/DefaultServlet.java 
b/java/org/apache/catalina/servlets/DefaultServlet.java
index 7473aac51a..c4d8b2f2de 100644
--- a/java/org/apache/catalina/servlets/DefaultServlet.java
+++ b/java/org/apache/catalina/servlets/DefaultServlet.java
@@ -2103,7 +2103,7 @@ public class DefaultServlet extends HttpServlet {
                     }
                     IOException e = copyRange(reader, new PrintWriter(buffer));
                     if (debug > 10) {
-                        log("readme '" + readmeFile + "' output error: " + 
e.getMessage());
+                        log("readme '" + readmeFile + "' output error: " + ((e 
!= null) ? e.getMessage() : ""));
                     }
                 } catch (IOException e) {
                     log(sm.getString("defaultServlet.readerCloseFailed"), e);


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