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Date: Thu, 20 Jun 2013 07:09:23 +0000 (UTC)
From: "Rafael Alfaro (JIRA)" <jira@apache.org>
To: dev@activemq.apache.org
Message-ID: <JIRA.12653876.1371712103578.146803.1371712163463@arcas>
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Subject: [jira] [Created] (AMQ-4591)
 org.apache.activemq.broker.scheduler.CronParser bug on
 getNextScheduledTime() to handle the once per minute case "* * * * *"
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Rafael Alfaro created AMQ-4591:
----------------------------------

             Summary: org.apache.activemq.broker.scheduler.CronParser bug on getNextScheduledTime() to handle the once per minute case "* * * * *"
                 Key: AMQ-4591
                 URL: https://issues.apache.org/jira/browse/AMQ-4591
             Project: ActiveMQ
          Issue Type: Bug
          Components: Broker
    Affects Versions: 5.8.0, 5.9.0
         Environment: Any
            Reporter: Rafael Alfaro


There is a Bug on handle the once per minute case.
For the cronentry: "* * * * *" 
The Next Scheduled time is not the top of the next minute.
Instead, is the current Time plus 60 seconds

The problem is that the code is trying to set the precision at seconds, but the precision must have to be at minutes. 
It can be fixed in this way:

Index: activemq-client/src/main/java/org/apache/activemq/broker/scheduler/CronParser.java
===================================================================
--- activemq-client/src/main/java/org/apache/activemq/broker/scheduler/CronParser.java	(revision 1494862)
+++ activemq-client/src/main/java/org/apache/activemq/broker/scheduler/CronParser.java	(working copy)
@@ -44,7 +44,7 @@
         // starting the next event at the top of the minute.
         if (cronEntry.equals("* * * * *")) {
             result = currentTime + 60 * 1000;
-            result = result / 1000 * 1000;
+            result = result / 60000 * 60000;
             return result;
         }


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