Fix the releaseIdleCounter is incorrect.

Fix the releaseIdleCounter does not increment when testAllIdle releases them. Pull request #241 provided by Arun Chaitanya Miriappalli

Author: aooohan

modules/jdbc-pool/src/main/java/org/apache/tomcat/jdbc/pool/ConnectionPool.java

@@ -1142,6 +1142,7 @@ public void testAllIdle() {
                         continue;
                     }
                     if (!con.validate(PooledConnection.VALIDATE_IDLE)) {
+                        releasedIdleCount.incrementAndGet();
                         idle.remove(con);
                         release(con);
                     }

webapps/docs/changelog.xml

@@ -151,6 +151,11 @@
   </subsection>
   <subsection name="jdbc-pool">
     <changelog>
+      <fix>
+        Fix the <code>releaseIdleCounter</code> does not increment when testAllIdle
+        releases them. Pull request <pr>241</pr> provided by Arun Chaitanya Miriappalli
+        (lihan)
+      </fix>
       <fix>
         Fix the <code>ConnectionState</code> state will be inconsistent with actual
         state on the connection when an exception occurs while writing. Pull request