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https://issues.apache.org/jira/browse/YARN-1351?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Konstantin Weitz updated YARN-1351:
-----------------------------------
Attachment: patch
> Invalid string format in Fair Scheduler log warn message
> --------------------------------------------------------
>
> Key: YARN-1351
> URL: https://issues.apache.org/jira/browse/YARN-1351
> Project: Hadoop YARN
> Issue Type: Bug
> Components: resourcemanager
> Reporter: Konstantin Weitz
> Attachments: patch
>
>
> 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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