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Posted to dev@tomcat.apache.org by ma...@apache.org on 2015/01/01 18:23:52 UTC

svn commit: r1648907 - in /tomcat/trunk/java/org/apache/tomcat/dbcp/pool2: ./ impl/DefaultPooledObject.java impl/LinkedBlockingDeque.java

Author: markt
Date: Thu Jan  1 17:23:52 2015
New Revision: 1648907

URL: http://svn.apache.org/r1648907
Log:
Update to Commons Pool 2.3 release

Modified:
    tomcat/trunk/java/org/apache/tomcat/dbcp/pool2/   (props changed)
    tomcat/trunk/java/org/apache/tomcat/dbcp/pool2/impl/DefaultPooledObject.java
    tomcat/trunk/java/org/apache/tomcat/dbcp/pool2/impl/LinkedBlockingDeque.java

Propchange: tomcat/trunk/java/org/apache/tomcat/dbcp/pool2/
------------------------------------------------------------------------------
--- svn:mergeinfo (original)
+++ svn:mergeinfo Thu Jan  1 17:23:52 2015
@@ -1 +1 @@
-/commons/proper/pool/trunk/src/main/java/org/apache/commons/pool2:1593516-1643813
+/commons/proper/pool/trunk/src/main/java/org/apache/commons/pool2:1593516-1648905

Modified: tomcat/trunk/java/org/apache/tomcat/dbcp/pool2/impl/DefaultPooledObject.java
URL: http://svn.apache.org/viewvc/tomcat/trunk/java/org/apache/tomcat/dbcp/pool2/impl/DefaultPooledObject.java?rev=1648907&r1=1648906&r2=1648907&view=diff
==============================================================================
--- tomcat/trunk/java/org/apache/tomcat/dbcp/pool2/impl/DefaultPooledObject.java (original)
+++ tomcat/trunk/java/org/apache/tomcat/dbcp/pool2/impl/DefaultPooledObject.java Thu Jan  1 17:23:52 2015
@@ -83,7 +83,11 @@ public class DefaultPooledObject<T> impl
 
     @Override
     public long getIdleTimeMillis() {
-        return System.currentTimeMillis() - lastReturnTime;
+        final long elapsed = System.currentTimeMillis() - lastReturnTime;
+     // elapsed may be negative if:
+     // - another thread updates lastReturnTime during the calculation window
+     // - System.currentTimeMillis() is not monotonic (e.g. system time is set back)
+     return elapsed >= 0 ? elapsed : 0;
     }
 
     @Override
@@ -214,9 +218,7 @@ public class DefaultPooledObject<T> impl
                 state == PooledObjectState.RETURNING) {
             state = PooledObjectState.IDLE;
             lastReturnTime = System.currentTimeMillis();
-            if (borrowedBy != null) {
-                borrowedBy = null;
-            }
+            borrowedBy = null;
             return true;
         }
 

Modified: tomcat/trunk/java/org/apache/tomcat/dbcp/pool2/impl/LinkedBlockingDeque.java
URL: http://svn.apache.org/viewvc/tomcat/trunk/java/org/apache/tomcat/dbcp/pool2/impl/LinkedBlockingDeque.java?rev=1648907&r1=1648906&r2=1648907&view=diff
==============================================================================
--- tomcat/trunk/java/org/apache/tomcat/dbcp/pool2/impl/LinkedBlockingDeque.java (original)
+++ tomcat/trunk/java/org/apache/tomcat/dbcp/pool2/impl/LinkedBlockingDeque.java Thu Jan  1 17:23:52 2015
@@ -1228,6 +1228,9 @@ class LinkedBlockingDeque<E> extends Abs
         /**
          * Returns the successor node of the given non-null, but
          * possibly previously deleted, node.
+         *
+         * @param n node whose successor is sought
+         * @return successor node
          */
         private Node<E> succ(Node<E> n) {
             // Chains of deleted nodes ending in null or self-links



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