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https://issues.apache.org/jira/browse/HADOOP-18248?focusedWorklogId=773446&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-773446
 ]

ASF GitHub Bot logged work on HADOOP-18248:
-------------------------------------------

                Author: ASF GitHub Bot
            Created on: 23/May/22 12:02
            Start Date: 23/May/22 12:02
    Worklog Time Spent: 10m 
      Work Description: slfan1989 commented on code in PR #4334:
URL: https://github.com/apache/hadoop/pull/4334#discussion_r879374438


##########
hadoop-tools/hadoop-azure/src/test/java/org/apache/hadoop/fs/azurebfs/ITestAzureBlobFileSystemFlush.java:
##########
@@ -400,7 +400,7 @@ private void validate(InputStream stream, byte[] 
writeBuffer, boolean isEqual)
             writeBuffer,
             readBuffer);
       } else {
-        assertThat(
+          org.hamcrest.MatcherAssert.assertThat(

Review Comment:
   Thank you, I will fix it.



##########
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSShell.java:
##########
@@ -82,8 +82,13 @@
 import static org.apache.hadoop.hdfs.server.namenode.AclTestHelpers.aclEntry;
 import static org.hamcrest.CoreMatchers.is;
 import static org.hamcrest.CoreMatchers.not;
-import static org.junit.Assert.*;
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+import static org.junit.Assert.assertFalse;

Review Comment:
   OK, I will fix it.





Issue Time Tracking
-------------------

    Worklog Id:     (was: 773446)
    Time Spent: 2h 10m  (was: 2h)

> Fix Junit Test Deprecated assertThat
> ------------------------------------
>
>                 Key: HADOOP-18248
>                 URL: https://issues.apache.org/jira/browse/HADOOP-18248
>             Project: Hadoop Common
>          Issue Type: Improvement
>    Affects Versions: 3.4.0
>            Reporter: fanshilun
>            Assignee: fanshilun
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 3.4.0
>
>          Time Spent: 2h 10m
>  Remaining Estimate: 0h
>
> javac will give a warning for compilation, as follows:
> org.junit.Assert.assertThat Deprecated. use 
> org.hamcrest.MatcherAssert.assertThat()
> {code:java}
> TestIncrementalBrVariations.java:141:4:[deprecation] 
> <T>assertThat(T,Matcher<? super T>) in Assert has been deprecated {code}
>  



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