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https://issues.apache.org/jira/browse/YARN-2999?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14262604#comment-14262604
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Rohith commented on YARN-2999:
------------------------------
bq. This is a maven build ,not an IDE build, right?
yes, test has run with maven build. My machine has java 1.7 only installed,no
java 1.6. I think I get root cause of the problem i.e my eclipse set up has jre
1.6 default compiler. And Build Automatically has set true. So when I do any
change in eclipse, source file were compiled under jre 1.6 but I run test in
maven build which run on jre 1.7. After changing eclipse default compiler to
1.7, it is working fine.
Given Hadoop 2.7 is meant to be java 7 only, I am open to close the issue.
> Compilation error in AllocationConfiguration.java in java1.7 while running
> tests
> --------------------------------------------------------------------------------
>
> Key: YARN-2999
> URL: https://issues.apache.org/jira/browse/YARN-2999
> Project: Hadoop YARN
> Issue Type: Bug
> Components: resourcemanager
> Reporter: Rohith
> Assignee: Rohith
> Attachments: 0001-YARN-2999.patch
>
>
> 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 :
> {code}
> 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)
> {code}
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