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Posted to dev@tomcat.apache.org by re...@apache.org on 2021/10/29 08:38:31 UTC

[tomcat] branch main updated: Improve robustness

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

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


The following commit(s) were added to refs/heads/main by this push:
     new 67743cd  Improve robustness
67743cd is described below

commit 67743cd39755886f5294f0ccd128b29fff956f0e
Author: remm <re...@apache.org>
AuthorDate: Fri Oct 29 10:38:13 2021 +0200

    Improve robustness
    
    Make sure the connection is always unlocked.
---
 java/org/apache/catalina/realm/JNDIRealm.java | 17 +++++++++++------
 webapps/docs/changelog.xml                    |  5 +++++
 2 files changed, 16 insertions(+), 6 deletions(-)

diff --git a/java/org/apache/catalina/realm/JNDIRealm.java b/java/org/apache/catalina/realm/JNDIRealm.java
index 4f6cd07..a9dac4a 100644
--- a/java/org/apache/catalina/realm/JNDIRealm.java
+++ b/java/org/apache/catalina/realm/JNDIRealm.java
@@ -1279,7 +1279,7 @@ public class JNDIRealm extends RealmBase {
             // Return the authenticated Principal (if any)
             return principal;
 
-        } catch (NamingException e) {
+        } catch (Exception e) {
 
             // Log the problem for posterity
             containerLog.error(sm.getString("jndiRealm.exception"), e);
@@ -2387,9 +2387,12 @@ public class JNDIRealm extends RealmBase {
                 // ... and have a password
                 return user.getPassword();
             }
-        } catch (NamingException e) {
+        } catch (Exception e) {
             // Log the problem for posterity
             containerLog.error(sm.getString("jndiRealm.exception"), e);
+            // close the connection so we know it will be reopened.
+            close(connection);
+            closePooledConnections();
             return null;
         }
     }
@@ -2459,7 +2462,7 @@ public class JNDIRealm extends RealmBase {
             // Return the authenticated Principal (if any)
             return principal;
 
-        } catch (NamingException e) {
+        } catch (Exception e) {
             // Log the problem for posterity
             containerLog.error(sm.getString("jndiRealm.exception"), e);
 
@@ -2569,9 +2572,11 @@ public class JNDIRealm extends RealmBase {
      */
     protected void release(JNDIConnection connection) {
         if (connectionPool != null) {
-            if (!connectionPool.push(connection)) {
-                // Any connection that doesn't end back to the pool must be closed
-                close(connection);
+            if (connection != null) {
+                if (!connectionPool.push(connection)) {
+                    // Any connection that doesn't end back to the pool must be closed
+                    close(connection);
+                }
             }
         } else {
             singleConnectionLock.unlock();
diff --git a/webapps/docs/changelog.xml b/webapps/docs/changelog.xml
index ab48789..896f490 100644
--- a/webapps/docs/changelog.xml
+++ b/webapps/docs/changelog.xml
@@ -138,6 +138,11 @@
         causes 'suspicious' (see the Servlet 6.0 specification) URIs to be
         rejected with a 400 response. (markt)
       </add>
+      <fix>
+        Improve robustness of JNDIRealm for exceptions occurring when getting
+        the connection. Also add missing close when running into issues
+        getting the passord of a user. (remm)
+      </fix>
     </changelog>
   </subsection>
   <subsection name="Coyote">

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