Rohith Sharma K S created YARN-7212:
---------------------------------------

             Summary: [Atsv2] TimelineSchemaCreator fails to create flowrun 
table causes RegionServer down!
                 Key: YARN-7212
                 URL: https://issues.apache.org/jira/browse/YARN-7212
             Project: Hadoop YARN
          Issue Type: Bug
            Reporter: Rohith Sharma K S


*Hbase-2.0* officially support *hadoop-alpha* compilations. So I was trying to 
build and test with HBase-2.0. But table schema creation fails and causes 
RegionServer to shutdown with following error
{noformat}
Caused by: java.lang.NoSuchMethodError: 
org.apache.hadoop.hbase.Tag.asList([BII)Ljava/util/List;
at 
org.apache.hadoop.yarn.server.timelineservice.storage.flow.FlowScanner.getCurrentAggOp(FlowScanner.java:250)
at 
org.apache.hadoop.yarn.server.timelineservice.storage.flow.FlowScanner.nextInternal(FlowScanner.java:226)
at 
org.apache.hadoop.yarn.server.timelineservice.storage.flow.FlowScanner.next(FlowScanner.java:145)
at 
org.apache.hadoop.hbase.regionserver.StoreFlusher.performFlush(StoreFlusher.java:132)
at 
org.apache.hadoop.hbase.regionserver.DefaultStoreFlusher.flushSnapshot(DefaultStoreFlusher.java:75)
at org.apache.hadoop.hbase.regionserver.HStore.flushCache(HStore.java:973)
at 
org.apache.hadoop.hbase.regionserver.HStore$StoreFlusherImpl.flushCache(HStore.java:2252)
at 
org.apache.hadoop.hbase.regionserver.HRegion.internalFlushCacheAndCommit(HRegion.java:2672)
{noformat}

Since HBase-2.0 community is ready to release Hadoop-3.x compatible versions, 
ATSv2 also need to support HBase-2.0 versions. For this, we need to take up a 
task of test and validate HBase-2.0 issues! 





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