[YARN-2999] Compilation error in AllocationConfiguration.java in java1.7 while running tests

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Invalid
• Component/s: resourcemanager
• Labels: jdk7
• Target Version/s: 2.7.0
• Assignee: Rohith Sharma K S
• Reporter: Rohith Sharma K S
• Created: 31/Dec/14 00:56
• Updated: 10/Apr/15 20:10
• Resolved: 01/Jan/15 19:32

Description

In AllocationConfiguration, in the below object creation, generic type must be specified as instance variable,otherwise java1.7 lead compilation error while running tests for RM and NM
reservableQueues = new HashSet<>();

Report :

java.lang.Error: Unresolved compilation problem: 
	'<>' operator is not allowed for source level below 1.7

	at org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.AllocationConfiguration.<init>(AllocationConfiguration.java:150)
	at org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler.initScheduler(FairScheduler.java:1276)
	at org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler.serviceInit(FairScheduler.java:1320)
	at org.apache.hadoop.service.AbstractService.init(AbstractService.java:163)
	at org.apache.hadoop.service.CompositeService.serviceInit(CompositeService.java:107)
	at org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$RMActiveServices.serviceInit(ResourceManager.java:559)
	at org.apache.hadoop.service.AbstractService.init(AbstractService.java:163)
	at org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.createAndInitActiveServices(ResourceManager.java:985)
	at org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.serviceInit(ResourceManager.java:251)
	at org.apache.hadoop.service.AbstractService.init(AbstractService.java:163)
	at org.apache.hadoop.yarn.server.resourcemanager.TestRMRestart$TestSecurityMockRM.init(TestRMRestart.java:2027)
	at org.apache.hadoop.yarn.server.resourcemanager.MockRM.<init>(MockRM.java:108)
	at org.apache.hadoop.yarn.server.resourcemanager.TestRMRestart$TestSecurityMockRM.<init>(TestRMRestart.java:2020)
	at org.apache.hadoop.yarn.server.resourcemanager.TestRMRestart.testAppAttemptTokensRestoredOnRMRestart(TestRMRestart.java:1199)