[YARN-3341] Fix findbugs warning:BC_UNCONFIRMED_CAST at FSSchedulerNode.reserveResource

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Duplicate
• Labels: findbugs
• Assignee: Zhihai Xu
• Reporter: Zhihai Xu
• Created: 12/Mar/15 18:57
• Updated: 17/Mar/15 18:13
• Resolved: 17/Mar/15 18:10

Description

Fix findbugs warning:BC_UNCONFIRMED_CAST at FSSchedulerNode.reserveResource
The warning message is

Unchecked/unconfirmed cast from org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerApplicationAttempt to org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FSAppAttempt in org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FSSchedulerNode.reserveResource(SchedulerApplicationAttempt, Priority, RMContainer)

The code which cause the warning is

    this.reservedAppSchedulable = (FSAppAttempt) application;

Issue Links

• relates to: YARN-3204 Fix new findbug warnings in hadoop-yarn-server-resourcemanager(resourcemanager.scheduler.fair)