And getMethod does.



------------------ ???????? ------------------
??????:                                                                         
                                               "user"                           
                                                         
<subharaj.ma...@gmail.com&gt;;
????????:&nbsp;2020??7??22??(??????) ????6:44
??????:&nbsp;"Hbase-User"<user@hbase.apache.org&gt;;

????:&nbsp;Re: HBase 2.1.0 - NoSuchMethodException 
org.apache.hadoop.fs.LocalFileSystem.setStoragePolicy



Yes I am using hadoop 3.0.0.

On Wed, Jul 22, 2020 at 12:31 PM zheng wang <18031...@qq.com&gt; wrote:

&gt; Are you sure you are using hadoop3.0.0?
&gt;
&gt;
&gt;
&gt;
&gt; ------------------&amp;nbsp;????????&amp;nbsp;------------------
&gt; ??????:
&gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
 "user"
&gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
 <
&gt; subharaj.ma...@gmail.com&amp;gt;;
&gt; ????????:&amp;nbsp;2020??7??22??(??????) ????3:17
&gt; ??????:&amp;nbsp;"Hbase-User"<user@hbase.apache.org&amp;gt;;
&gt;
&gt; ????:&amp;nbsp;Re: HBase 2.1.0 - NoSuchMethodException
&gt; org.apache.hadoop.fs.LocalFileSystem.setStoragePolicy
&gt;
&gt;
&gt;
&gt; Thanks for the pointer.
&gt;
&gt; One more query in I am getting this error from CommonFSUtils.
&gt; invokeSetStoragePolicy()
&gt; <
&gt; 
https://github.com/apache/hbase/blob/branch-2.1/hbase-common/src/main/java/org/apache/hadoop/hbase/util/CommonFSUtils.java#L533&amp;gt
&gt; ;.
&gt; I am using hadoop 3.0.0 and in FilterFileSystem (which LocalFileSystem
&gt; extends from) I do see the method&amp;nbsp; setStoragePolicy
&gt; <
&gt; 
https://github.com/apache/hadoop/blob/release-3.0.0-RC1/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/FilterFileSystem.java#L637&amp;gt
&gt; ;
&gt; .
&gt;
&gt; Can someone explain how is this NoSuchMethodException is being thrown or I
&gt; am looking at the wrong code path for LocalFileSystem?
&gt;
&gt; On Tue, Jul 21, 2020 at 7:04 PM Sean Busbey <bus...@apache.org&amp;gt; 
wrote:
&gt;
&gt; &amp;gt; that is the detail message of why it determined that the 
FileSystem
&gt; &amp;gt; doesn't support setStoragePolicy. As opposed to e.g. a security
&gt; &amp;gt; manager denying access to introspect the methods available.
&gt; &amp;gt;
&gt; &amp;gt; On Tue, Jul 21, 2020 at 8:24 AM Debraj Manna <
&gt; subharaj.ma...@gmail.com&amp;gt;
&gt; &amp;gt; wrote:
&gt; &amp;gt; &amp;gt;
&gt; &amp;gt; &amp;gt; I understood the "util.CommonFSUtils: FileSystem doesn't 
support
&gt; &amp;gt; &amp;gt; setStoragePolicy;" part.
&gt; &amp;gt; &amp;gt;
&gt; &amp;gt; &amp;gt; Can you let me know why it is saying
&gt; "java.lang.NoSuchMethodException:
&gt; &amp;gt; &amp;gt; 
org.apache.hadoop.fs.LocalFileSystem.setStoragePolicy2020-07-20
&gt; &amp;gt; &amp;gt; 06:02:24,859 WARN&amp;nbsp; [StoreOpener-1588230740-1]" ?
&gt; &amp;gt; &amp;gt;
&gt; &amp;gt; &amp;gt;
&gt; &amp;gt; &amp;gt; On Tue, Jul 21, 2020 at 6:43 PM zheng wang 
<18031...@qq.com&amp;gt;
&gt; wrote:
&gt; &amp;gt; &amp;gt;
&gt; &amp;gt; &amp;gt; &amp;gt; This log info just as a warning that cant make 
it disappear
&gt; for now,
&gt; &amp;gt; but
&gt; &amp;gt; &amp;gt; &amp;gt; will not impact anything, so you can just 
ignore it in
&gt; local mode.
&gt; &amp;gt; &amp;gt; &amp;gt;
&gt; &amp;gt; &amp;gt; &amp;gt;
&gt; &amp;gt; &amp;gt; &amp;gt; 
------------------&amp;amp;nbsp;????????&amp;amp;nbsp;------------------
&gt; &amp;gt; &amp;gt; &amp;gt; ??????:
&gt; &amp;gt; &amp;gt;
&gt; 
&amp;gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;
&gt; "user"
&gt; &amp;gt; &amp;gt;
&gt; 
&amp;gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;
&gt; <
&gt; &amp;gt; &amp;gt; &amp;gt; subharaj.ma...@gmail.com&amp;amp;gt;;
&gt; &amp;gt; &amp;gt; &amp;gt; ????????:&amp;amp;nbsp;2020??7??21??(??????) 
????9:19
&gt; &amp;gt; &amp;gt; &amp;gt; 
??????:&amp;amp;nbsp;"Hbase-User"<user@hbase.apache.org&amp;amp;gt;;
&gt; &amp;gt; &amp;gt; &amp;gt;
&gt; &amp;gt; &amp;gt; &amp;gt; ????:&amp;amp;nbsp;Re: HBase 2.1.0 - 
NoSuchMethodException
&gt; &amp;gt; &amp;gt; &amp;gt; 
org.apache.hadoop.fs.LocalFileSystem.setStoragePolicy
&gt; &amp;gt; &amp;gt; &amp;gt;
&gt; &amp;gt; &amp;gt; &amp;gt;
&gt; &amp;gt; &amp;gt; &amp;gt;
&gt; &amp;gt; &amp;gt; &amp;gt; Thanks for replying.
&gt; &amp;gt; &amp;gt; &amp;gt;
&gt; &amp;gt; &amp;gt; &amp;gt; Yes it is a single node hbase cluster. I am not 
specifying
&gt; any storage
&gt; &amp;gt; &amp;gt; &amp;gt; policy. Looking at the HStore
&gt; &amp;gt; &amp;gt; &amp;gt; <
&gt; &amp;gt; &amp;gt; &amp;gt;
&gt; &amp;gt;
&gt; 
https://github.com/apache/hbase/blob/master/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HStore.java#L274&amp;amp;gt
&gt; &amp;gt
&gt; 
<https://github.com/apache/hbase/blob/master/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HStore.java#L274&amp;amp;gt&amp;gt&gt;;
&gt; &amp;gt; &amp;gt; ;
&gt; &amp;gt; &amp;gt; &amp;gt; code it appears even if no storage policy is 
specified it
&gt; will take
&gt; &amp;gt; HOT.
&gt; &amp;gt; &amp;gt; &amp;gt;
&gt; &amp;gt; &amp;gt; &amp;gt; Can you explain this a bit more how can I get 
around this
&gt; error or in a
&gt; &amp;gt; &amp;gt; &amp;gt; single node hbase cluster I should be ignoring 
this?
&gt; &amp;gt; &amp;gt; &amp;gt;
&gt; &amp;gt; &amp;gt; &amp;gt;
&gt; &amp;gt; &amp;gt; &amp;gt; On Tue, Jul 21, 2020 at 3:03 PM zheng wang 
<18031...@qq.com&amp;amp;gt;
&gt; wrote:
&gt; &amp;gt; &amp;gt; &amp;gt;
&gt; &amp;gt; &amp;gt; &amp;gt; &amp;amp;gt; LocalFileSystem? 
The&amp;amp;amp;nbsp;setStoragePolicy
&gt; could only be used
&gt; &amp;gt; in
&gt; &amp;gt; &amp;gt; &amp;gt; &amp;amp;gt; distributed hdfs.
&gt; &amp;gt; &amp;gt; &amp;gt; &amp;amp;gt; &amp;amp;amp;nbsp;
&gt; &amp;gt; &amp;gt; &amp;gt; &amp;amp;gt;
&gt; &amp;gt; &amp;gt; &amp;gt; &amp;amp;gt;
&gt; &amp;gt; &amp;gt; &amp;gt; &amp;amp;gt;
&gt; 
------------------&amp;amp;amp;nbsp;????????&amp;amp;amp;nbsp;------------------
&gt; &amp;gt; &amp;gt; &amp;gt; &amp;amp;gt; ??????:
&gt; &amp;gt; &amp;gt; &amp;gt;
&gt; &amp;gt;
&gt; 
&amp;amp;gt;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;
&gt; &amp;gt; &amp;gt; &amp;gt; "user"
&gt; &amp;gt; &amp;gt; &amp;gt;
&gt; &amp;gt;
&gt; 
&amp;amp;gt;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;
&gt; &amp;gt; &amp;gt; &amp;gt; <
&gt; &amp;gt; &amp;gt; &amp;gt; &amp;amp;gt; 
subharaj.ma...@gmail.com&amp;amp;amp;gt;;
&gt; &amp;gt; &amp;gt; &amp;gt; &amp;amp;gt; 
????????:&amp;amp;amp;nbsp;2020??7??21??(??????) ????5:58
&gt; &amp;gt; &amp;gt; &amp;gt; &amp;amp;gt; 
??????:&amp;amp;amp;nbsp;"Hbase-User"<
&gt; user@hbase.apache.org&amp;amp;amp;gt;;
&gt; &amp;gt; &amp;gt; &amp;gt; &amp;amp;gt;
&gt; &amp;gt; &amp;gt; &amp;gt; &amp;amp;gt; ????:&amp;amp;amp;nbsp;HBase 2.1.0 
-
&gt; NoSuchMethodException
&gt; &amp;gt; &amp;gt; &amp;gt; &amp;amp;gt;
&gt; org.apache.hadoop.fs.LocalFileSystem.setStoragePolicy
&gt; &amp;gt; &amp;gt; &amp;gt; &amp;amp;gt;
&gt; &amp;gt; &amp;gt; &amp;gt; &amp;amp;gt;
&gt; &amp;gt; &amp;gt; &amp;gt; &amp;amp;gt;
&gt; &amp;gt; &amp;gt; &amp;gt; &amp;amp;gt; Hi
&gt; &amp;gt; &amp;gt; &amp;gt; &amp;amp;gt;
&gt; &amp;gt; &amp;gt; &amp;gt; &amp;amp;gt; I am using HBase 2.1.0 with Hadoop 
3.0.0. In hbase
&gt; master logs I
&gt; &amp;gt; am
&gt; &amp;gt; &amp;gt; &amp;gt; &amp;amp;gt; seeing a warning like below
&gt; &amp;gt; &amp;gt; &amp;gt; &amp;amp;gt;
&gt; &amp;gt; &amp;gt; &amp;gt; &amp;amp;gt; 2020-07-20 06:02:24,859 
WARN&amp;amp;amp;nbsp;
&gt; [StoreOpener-1588230740-1]
&gt; &amp;gt; &amp;gt; &amp;gt; &amp;amp;gt; util.CommonFSUtils: FileSystem 
doesn't support
&gt; setStoragePolicy;
&gt; &amp;gt; &amp;gt; &amp;gt; &amp;amp;gt; HDFS-6584, HDFS-9345 not 
available. This is normal
&gt; and expected on
&gt; &amp;gt; &amp;gt; &amp;gt; &amp;amp;gt; earlier Hadoop versions.
&gt; &amp;gt; &amp;gt; &amp;gt; &amp;amp;gt; java.lang.NoSuchMethodException:
&gt; &amp;gt; &amp;gt; &amp;gt; &amp;amp;gt;
&gt; &amp;gt; &amp;gt; &amp;gt; &amp;amp;gt;
&gt; &amp;gt; &amp;gt; &amp;gt;
&gt; &amp;gt;
&gt; 
org.apache.hadoop.fs.LocalFileSystem.setStoragePolicy(org.apache.hadoop.fs.Path,
&gt; &amp;gt; &amp;gt; &amp;gt; &amp;amp;gt; java.lang.String)
&gt; &amp;gt; &amp;gt; &amp;gt; &amp;amp;gt;
&gt; &amp;gt; &amp;gt; &amp;gt;
&gt; 
&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;
&gt; &amp;gt; at
&gt; &amp;gt; &amp;gt; &amp;gt; &amp;amp;gt; 
java.lang.Class.getDeclaredMethod(Class.java:2130)
&gt; &amp;gt; &amp;gt; &amp;gt; &amp;amp;gt;
&gt; &amp;gt; &amp;gt; &amp;gt;
&gt; 
&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;
&gt; &amp;gt; at
&gt; &amp;gt; &amp;gt; &amp;gt; &amp;amp;gt;
&gt; &amp;gt; &amp;gt; &amp;gt;
&gt; &amp;gt;
&gt; 
org.apache.hadoop.hbase.util.CommonFSUtils.invokeSetStoragePolicy(CommonFSUtils.java:577)
&gt; &amp;gt; &amp;gt; &amp;gt; &amp;amp;gt;
&gt; &amp;gt; &amp;gt; &amp;gt;
&gt; 
&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;
&gt; &amp;gt; at
&gt; &amp;gt; &amp;gt; &amp;gt; &amp;amp;gt;
&gt; &amp;gt; &amp;gt; &amp;gt;
&gt; &amp;gt;
&gt; 
org.apache.hadoop.hbase.util.CommonFSUtils.setStoragePolicy(CommonFSUtils.java:558)
&gt; &amp;gt; &amp;gt; &amp;gt; &amp;amp;gt;
&gt; &amp;gt; &amp;gt; &amp;gt;
&gt; 
&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;
&gt; &amp;gt; at
&gt; &amp;gt; &amp;gt; &amp;gt; &amp;amp;gt;
&gt; &amp;gt; &amp;gt; &amp;gt;
&gt; &amp;gt;
&gt; 
org.apache.hadoop.hbase.util.CommonFSUtils.setStoragePolicy(CommonFSUtils.java:526)
&gt; &amp;gt; &amp;gt; &amp;gt; &amp;amp;gt;
&gt; &amp;gt; &amp;gt; &amp;gt;
&gt; 
&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;
&gt; &amp;gt; at
&gt; &amp;gt; &amp;gt; &amp;gt; &amp;amp;gt;
&gt; &amp;gt; &amp;gt; &amp;gt;
&gt; &amp;gt;
&gt; 
org.apache.hadoop.hbase.regionserver.HRegionFileSystem.setStoragePolicy(HRegionFileSystem.java:194)
&gt; &amp;gt; &amp;gt; &amp;gt; &amp;amp;gt;
&gt; &amp;gt; &amp;gt; &amp;gt;
&gt; 
&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;
&gt; &amp;gt; at
&gt; &amp;gt; &amp;gt; &amp;gt; &amp;amp;gt;
&gt; &amp;gt; &amp;gt; &amp;gt;
&gt; &amp;gt;
&gt; 
org.apache.hadoop.hbase.regionserver.HStore.<init&amp;amp;amp;gt;(HStore.java:264)
&gt; &amp;gt; &amp;gt; &amp;gt; &amp;amp;gt;
&gt; &amp;gt; &amp;gt; &amp;gt;
&gt; 
&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;
&gt; &amp;gt; at
&gt; &amp;gt; &amp;gt; &amp;gt; &amp;amp;gt;
&gt; &amp;gt; &amp;gt; &amp;gt;
&gt; &amp;gt;
&gt; 
org.apache.hadoop.hbase.regionserver.HRegion.instantiateHStore(HRegion.java:5731)
&gt; &amp;gt; &amp;gt; &amp;gt; &amp;amp;gt;
&gt; &amp;gt; &amp;gt; &amp;gt;
&gt; 
&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;
&gt; &amp;gt; at
&gt; &amp;gt; &amp;gt; &amp;gt; &amp;amp;gt;
&gt; &amp;gt; 
org.apache.hadoop.hbase.regionserver.HRegion$1.call(HRegion.java:1059)
&gt; &amp;gt; &amp;gt; &amp;gt; &amp;amp;gt;
&gt; &amp;gt; &amp;gt; &amp;gt;
&gt; 
&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;
&gt; &amp;gt; at
&gt; &amp;gt; &amp;gt; &amp;gt; &amp;amp;gt;
&gt; &amp;gt; 
org.apache.hadoop.hbase.regionserver.HRegion$1.call(HRegion.java:1056)
&gt; &amp;gt; &amp;gt; &amp;gt; &amp;amp;gt;
&gt; &amp;gt; &amp;gt; &amp;gt;
&gt; 
&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;
&gt; &amp;gt; at
&gt; &amp;gt; &amp;gt; &amp;gt; &amp;amp;gt;
&gt; java.util.concurrent.FutureTask.run(FutureTask.java:266)
&gt; &amp;gt; &amp;gt; &amp;gt; &amp;amp;gt;
&gt; &amp;gt; &amp;gt; &amp;gt;
&gt; 
&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;
&gt; &amp;gt; at
&gt; &amp;gt; &amp;gt; &amp;gt; &amp;amp;gt;
&gt; &amp;gt; &amp;gt; &amp;gt;
&gt; java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
&gt; &amp;gt; &amp;gt; &amp;gt; &amp;amp;gt;
&gt; &amp;gt; &amp;gt; &amp;gt;
&gt; 
&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;
&gt; &amp;gt; at
&gt; &amp;gt; &amp;gt; &amp;gt; &amp;amp;gt;
&gt; java.util.concurrent.FutureTask.run(FutureTask.java:266)
&gt; &amp;gt; &amp;gt; &amp;gt; &amp;amp;gt;
&gt; &amp;gt; &amp;gt; &amp;gt;
&gt; 
&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;
&gt; &amp;gt; at
&gt; &amp;gt; &amp;gt; &amp;gt; &amp;amp;gt;
&gt; &amp;gt; &amp;gt; &amp;gt;
&gt; &amp;gt;
&gt; 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
&gt; &amp;gt; &amp;gt; &amp;gt; &amp;amp;gt;
&gt; &amp;gt; &amp;gt; &amp;gt;
&gt; 
&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;
&gt; &amp;gt; at
&gt; &amp;gt; &amp;gt; &amp;gt; &amp;amp;gt;
&gt; &amp;gt; &amp;gt; &amp;gt;
&gt; &amp;gt;
&gt; 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
&gt; &amp;gt; &amp;gt; &amp;gt; &amp;amp;gt;
&gt; &amp;gt; &amp;gt; &amp;gt;
&gt; 
&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;&amp;amp;amp;nbsp;
&gt; &amp;gt; at
&gt; &amp;gt; &amp;gt; &amp;gt; &amp;amp;gt; 
java.lang.Thread.run(Thread.java:748)
&gt; &amp;gt; &amp;gt; &amp;gt; &amp;amp;gt;
&gt; &amp;gt; &amp;gt; &amp;gt; &amp;amp;gt; As per my understanding, this 
error should not be
&gt; coming with
&gt; &amp;gt; Hadoop
&gt; &amp;gt; &amp;gt; &amp;gt; &amp;amp;gt; 3.0.0. Can someone let me know if 
my understanding
&gt; is correct or
&gt; &amp;gt; what
&gt; &amp;gt; &amp;gt; &amp;gt; &amp;amp;gt; could be going wrong here?
&gt; &amp;gt;
&gt; &amp;gt;
&gt; &amp;gt;
&gt; &amp;gt; --
&gt; &amp;gt; Sean
&gt; &amp;gt;

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