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markt-asf 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 23e8ca6c85 Avoid potential NPE
23e8ca6c85 is described below
commit 23e8ca6c85f6cb2d520ea55137ff0a80ee07c7ce
Author: Mark Thomas <[email protected]>
AuthorDate: Tue May 26 18:21:56 2026 +0100
Avoid potential NPE
---
java/org/apache/catalina/realm/JAASMemoryLoginModule.java | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/java/org/apache/catalina/realm/JAASMemoryLoginModule.java
b/java/org/apache/catalina/realm/JAASMemoryLoginModule.java
index 6cde8608e0..a80780152b 100644
--- a/java/org/apache/catalina/realm/JAASMemoryLoginModule.java
+++ b/java/org/apache/catalina/realm/JAASMemoryLoginModule.java
@@ -317,8 +317,10 @@ public class JAASMemoryLoginModule extends MemoryRealm
implements LoginModule {
public boolean logout() throws LoginException {
subject.getPrincipals().remove(principal);
if (principal instanceof GenericPrincipal) {
- for (Principal role : roles) {
- subject.getPrincipals().remove(role);
+ if (roles != null) {
+ for (Principal role : roles) {
+ subject.getPrincipals().remove(role);
+ }
}
}
committed = false;
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