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 2c8b2e2010 Optimize directory listing
2c8b2e2010 is described below
commit 2c8b2e2010ff71a1b02729650f9ce165fabc67ee
Author: remm <r...@apache.org>
AuthorDate: Fri Apr 4 10:45:11 2025 +0200
Optimize directory listing
69643: Optimize directory listing for large amount of files.
Patch submitted by Loic de l'Eprevier.
---
java/org/apache/catalina/webresources/DirResourceSet.java | 5 ++++-
webapps/docs/changelog.xml | 4 ++++
2 files changed, 8 insertions(+), 1 deletion(-)
diff --git a/java/org/apache/catalina/webresources/DirResourceSet.java
b/java/org/apache/catalina/webresources/DirResourceSet.java
index 6259b81f7e..4e7e6ad47e 100644
--- a/java/org/apache/catalina/webresources/DirResourceSet.java
+++ b/java/org/apache/catalina/webresources/DirResourceSet.java
@@ -173,6 +173,7 @@ public class DirResourceSet extends AbstractFileResourceSet
implements WebResour
if (f != null) {
File[] list = f.listFiles();
if (list != null) {
+ String fCanPath = null;
for (File entry : list) {
// f has already been validated so the following checks
// can be much simpler than those in file()
@@ -190,7 +191,9 @@ public class DirResourceSet extends AbstractFileResourceSet
implements WebResour
// that what is left does not contain a
symlink.
absPath =
entry.getAbsolutePath().substring(f.getAbsolutePath().length());
String entryCanPath = entry.getCanonicalPath();
- String fCanPath = f.getCanonicalPath();
+ if (fCanPath == null) {
+ fCanPath = f.getCanonicalPath();
+ }
if (entryCanPath.length() >=
fCanPath.length()) {
canPath =
entryCanPath.substring(fCanPath.length());
if (absPath.equals(canPath)) {
diff --git a/webapps/docs/changelog.xml b/webapps/docs/changelog.xml
index e687f8f86c..5328960d16 100644
--- a/webapps/docs/changelog.xml
+++ b/webapps/docs/changelog.xml
@@ -115,6 +115,10 @@
Process possible path parameters rewrite production in the rewrite
valve. (remm)
</fix>
+ <fix>
+ <bug>69643</bug>: Optimize directory listing for large amount of files.
+ Patch submitted by Loic de l'Eprevier. (remm)
+ </fix>
</changelog>
</subsection>
<subsection name="Other">
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