Ahmed Hussein created HADOOP-17103:
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             Summary: Replace Guava Supplier with Java8+ Supplier in MAPREDUCE
                 Key: HADOOP-17103
                 URL: https://issues.apache.org/jira/browse/HADOOP-17103
             Project: Hadoop Common
          Issue Type: Sub-task
            Reporter: Ahmed Hussein
            Assignee: Ahmed Hussein


Replacing Usage of Guava supplier are in Unit tests 
{{GenereicTestUtils.waitFor()}} in hadoop-mapreduce-project subdirectory.
{code:java}
Targets
hadoop-mapreduce-project with mask '*.java'
Found Occurrences  (8 usages found)
    org.apache.hadoop.mapred  (2 usages found)
        TestTaskAttemptListenerImpl.java  (1 usage found)
            20 import com.google.common.base.Supplier;
        UtilsForTests.java  (1 usage found)
            64 import com.google.common.base.Supplier;
    org.apache.hadoop.mapreduce.v2.app  (4 usages found)
        TestFetchFailure.java  (1 usage found)
            29 import com.google.common.base.Supplier;
        TestMRApp.java  (1 usage found)
            31 import com.google.common.base.Supplier;
        TestRecovery.java  (1 usage found)
            31 import com.google.common.base.Supplier;
        TestTaskHeartbeatHandler.java  (1 usage found)
            28 import com.google.common.base.Supplier;
    org.apache.hadoop.mapreduce.v2.app.rm  (1 usage found)
        TestRMContainerAllocator.java  (1 usage found)
            156 import com.google.common.base.Supplier;
    org.apache.hadoop.mapreduce.v2.hs  (1 usage found)
        TestJHSDelegationTokenSecretManager.java  (1 usage found)
            30 import com.google.common.base.Supplier;

{code}



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