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From "Konstantin Weitz (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-1351) Invalid Format String Invocation
Date Fri, 25 Oct 2013 00:37:02 GMT
Konstantin Weitz created YARN-1351:
--------------------------------------

             Summary: Invalid Format String Invocation
                 Key: YARN-1351
                 URL: https://issues.apache.org/jira/browse/YARN-1351
             Project: Hadoop YARN
          Issue Type: Bug
          Components: resourcemanager
            Reporter: Konstantin Weitz


While trying to print a warning, two values of the wrong type (Resource instead of int) are
passed into a String.format method call, leading to a runtime exception, in the file:

_trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/QueueManager.java_.

The warning was intended to be printed whenever the resources don't fit into each other, either
because the number of virtual cores or the memory is too small. I changed the %d's into %s,
this way the warning will contain both the cores and the memory.

Following the patch that fixes the issue:


Index: hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/QueueManager.java
===================================================================
--- hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/QueueManager.java
(revision 1535589)
+++ hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/QueueManager.java
(working copy)
@@ -471,7 +471,7 @@
     if (maxQueueResources.containsKey(queueName) && minQueueResources.containsKey(queueName)
         && !Resources.fitsIn(minQueueResources.get(queueName),
             maxQueueResources.get(queueName))) {
-      LOG.warn(String.format("Queue %s has max resources %d less than min resources %d",
+      LOG.warn(String.format("Queue %s has max resources %s less than min resources %s",
           queueName, maxQueueResources.get(queueName), minQueueResources.get(queueName)));
     }
   }




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