[tomcat] branch master updated: Fix https://bz.apache.org/bugzilla/show_bug.cgi?id=64005 avoid NPE

[markt]

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

markt pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/tomcat.git


The following commit(s) were added to refs/heads/master by this push:
     new 2f51425  Fix https://bz.apache.org/bugzilla/show_bug.cgi?id=64005 
avoid NPE
2f51425 is described below

commit 2f514255fc0032786de3a12fb3656c76c9c7e457
Author: Mark Thomas <ma...@apache.org>
AuthorDate: Tue Dec 17 21:51:08 2019 +0000

    Fix https://bz.apache.org/bugzilla/show_bug.cgi?id=64005 avoid NPE
    
    Avoid the NPE when working with the URL for the root of a packed WAR
---
 java/org/apache/catalina/webresources/CachedResource.java | 10 ++++++++++
 webapps/docs/changelog.xml                                |  5 +++++
 2 files changed, 15 insertions(+)

diff --git a/java/org/apache/catalina/webresources/CachedResource.java 
b/java/org/apache/catalina/webresources/CachedResource.java
index 58247a8..712a463 100644
--- a/java/org/apache/catalina/webresources/CachedResource.java
+++ b/java/org/apache/catalina/webresources/CachedResource.java
@@ -26,6 +26,7 @@ import java.net.URLConnection;
 import java.net.URLStreamHandler;
 import java.security.Permission;
 import java.security.cert.Certificate;
+import java.util.jar.JarEntry;
 import java.util.jar.JarFile;
 import java.util.jar.Manifest;
 
@@ -557,5 +558,14 @@ public class CachedResource implements WebResource {
         public JarFile getJarFile() throws IOException {
             return ((JarURLConnection) 
resourceURL.openConnection()).getJarFile();
         }
+
+        @Override
+        public JarEntry getJarEntry() throws IOException {
+            if (getEntryName() == null) {
+                return null;
+            } else {
+                return super.getJarEntry();
+            }
+        }
     }
 }
diff --git a/webapps/docs/changelog.xml b/webapps/docs/changelog.xml
index 242a34c..f69a971 100644
--- a/webapps/docs/changelog.xml
+++ b/webapps/docs/changelog.xml
@@ -56,6 +56,11 @@
         in JNDIRealm. (remm)
       </fix>
       <fix>
+        <bug>64005</bug>: Correct a regression in the static resource caching
+        changes introduced in 9.0.28. Avoid a <code>NullPointerException</code>
+        when working with the URL provided for the root of a packed WAR. 
(markt)
+      </fix>
+      <fix>
         <bug>64006</bug>: Provide default configuration source based on the
         current directory if none has been set, for full compatibility with
         existing code. (remm)


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