abstractdog commented on PR #3413:
URL: https://github.com/apache/hive/pull/3413#issuecomment-1174633880

   thanks @ayushtkn , I fixed TestLlapTaskCommunicator
   in the precommit I can see mass failures, e.g. in TestMmCompactorOnMr, where 
hive.log contains:
   ```
   Caused by: java.lang.NoSuchMethodError: 
org.apache.hadoop.fs.Path.compareTo(Lorg/apache/hadoop/fs/Path;)I
           at org.apache.hadoop.io.FileChunk.compareTo(FileChunk.java:82) 
~[tez-runtime-library-0.10.2.jar:?]
           at org.apache.hadoop.io.FileChunk.compareTo(FileChunk.java:27) 
~[tez-runtime-library-0.10.2.jar:?]
           at java.util.TreeMap.compare(TreeMap.java:1294) ~[?:1.8.0_292]
           at java.util.TreeMap.put(TreeMap.java:538) ~[?:1.8.0_292]
           at java.util.TreeSet.add(TreeSet.java:255) ~[?:1.8.0_292]
           at 
org.apache.tez.runtime.library.common.shuffle.orderedgrouped.MergeManager.closeOnDiskFile(MergeManager.java:598)
 ~[tez-runtime-library-0.10.2.jar:0.10.2]
           at 
org.apache.tez.runtime.library.common.shuffle.orderedgrouped.MapOutput$DiskDirectMapOutput.commit(MapOutput.java:188)
 ~[tez-runtime-library-0.10.2.jar:0.10.2]
           at 
org.apache.tez.runtime.library.common.shuffle.orderedgrouped.ShuffleScheduler.copySucceeded(ShuffleScheduler.java:605)
 ~[tez-runtime-library-0.10.2.jar:0.10.2]
           at 
org.apache.tez.runtime.library.common.shuffle.orderedgrouped.FetcherOrderedGrouped.setupLocalDiskFetch(FetcherOrderedGrouped.java:739)
 ~[tez-runtime-library-0.10.2.jar:0.10.2]
           at 
org.apache.tez.runtime.library.common.shuffle.orderedgrouped.FetcherOrderedGrouped.fetchNext(FetcherOrderedGrouped.java:183)
 ~[tez-runtime-library-0.10.2.jar:0.10.2]
           at 
org.apache.tez.runtime.library.common.shuffle.orderedgrouped.FetcherOrderedGrouped.callInternal(FetcherOrderedGrouped.java:198)
 ~[tez-runtime-library-0.10.2.jar:0.10.2]
           at 
org.apache.tez.runtime.library.common.shuffle.orderedgrouped.FetcherOrderedGrouped.callInternal(FetcherOrderedGrouped.java:61)
 ~[tez-runtime-library-0.10.2.jar:0.10.2]
           ... 7 more
   ```
   is it something related to the fact that tez 0.10.2 was compiled against the 
newer hadoop? if it's only the case, we'll simply merge tez and hadoop upgrade 
together


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