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Posted to dev@commons.apache.org by rd...@apache.org on 2005/11/03 20:47:43 UTC

svn commit: r330616 - in /jakarta/commons/proper/pool/trunk/src/java/org/apache/commons/pool/impl: GenericKeyedObjectPool.java GenericObjectPool.java

Author: rdonkin
Date: Thu Nov  3 11:47:38 2005
New Revision: 330616

URL: http://svn.apache.org/viewcvs?rev=330616&view=rev
Log:
Fix for bug that could (in certain circumstances) result in the pool blocking for up to twice the desired maximum. Spotted by Sandy McArthur. Issue #37337.

Modified:
    jakarta/commons/proper/pool/trunk/src/java/org/apache/commons/pool/impl/GenericKeyedObjectPool.java
    jakarta/commons/proper/pool/trunk/src/java/org/apache/commons/pool/impl/GenericObjectPool.java

Modified: jakarta/commons/proper/pool/trunk/src/java/org/apache/commons/pool/impl/GenericKeyedObjectPool.java
URL: http://svn.apache.org/viewcvs/jakarta/commons/proper/pool/trunk/src/java/org/apache/commons/pool/impl/GenericKeyedObjectPool.java?rev=330616&r1=330615&r2=330616&view=diff
==============================================================================
--- jakarta/commons/proper/pool/trunk/src/java/org/apache/commons/pool/impl/GenericKeyedObjectPool.java (original)
+++ jakarta/commons/proper/pool/trunk/src/java/org/apache/commons/pool/impl/GenericKeyedObjectPool.java Thu Nov  3 11:47:38 2005
@@ -811,7 +811,14 @@
                                 if(_maxWait <= 0) {
                                     wait();
                                 } else {
-                                    wait(_maxWait);
+                                    // this code may be executed again after a notify then continue cycle
+                                    // so, need to calculate the amount of time to wait
+                                    final long elapsed = (System.currentTimeMillis() - starttime);
+                                    final long waitTime = _maxWait - elapsed;
+                                    if (waitTime > 0)
+                                    {
+                                        wait(waitTime);
+                                    }
                                 }
                             } catch(InterruptedException e) {
                                 // ignored

Modified: jakarta/commons/proper/pool/trunk/src/java/org/apache/commons/pool/impl/GenericObjectPool.java
URL: http://svn.apache.org/viewcvs/jakarta/commons/proper/pool/trunk/src/java/org/apache/commons/pool/impl/GenericObjectPool.java?rev=330616&r1=330615&r2=330616&view=diff
==============================================================================
--- jakarta/commons/proper/pool/trunk/src/java/org/apache/commons/pool/impl/GenericObjectPool.java (original)
+++ jakarta/commons/proper/pool/trunk/src/java/org/apache/commons/pool/impl/GenericObjectPool.java Thu Nov  3 11:47:38 2005
@@ -799,7 +799,14 @@
                                 if(_maxWait <= 0) {
                                     wait();
                                 } else {
-                                    wait(_maxWait);
+                                    // this code may be executed again after a notify then continue cycle
+                                    // so, need to calculate the amount of time to wait
+                                    final long elapsed = (System.currentTimeMillis() - starttime);
+                                    final long waitTime = _maxWait - elapsed;
+                                    if (waitTime > 0)
+                                    {
+                                        wait(waitTime);
+                                    }
                                 }
                             } catch(InterruptedException e) {
                                 // ignored



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