stoty commented on code in PR #7327:
URL: https://github.com/apache/hbase/pull/7327#discussion_r2362525566


##########
hbase-server/src/test/java/org/apache/hadoop/hbase/rsgroup/TestRSGroupsKillRS.java:
##########
@@ -268,24 +266,26 @@ public void testLowerMetaGroupVersion() throws Exception {
     Address address = servers.iterator().next();
     int majorVersion = VersionInfo.getMajorVersion(originVersion);
     assertTrue(majorVersion >= 1);
-    String lowerVersion = String.valueOf(majorVersion - 1) + 
originVersion.split("\\.")[1];
-    setFinalStatic(Version.class.getField("version"), lowerVersion);
-    TEST_UTIL.getMiniHBaseCluster().startRegionServer(address.getHostName(), 
address.getPort());
-    assertEquals(NUM_SLAVES_BASE,
-      TEST_UTIL.getMiniHBaseCluster().getLiveRegionServerThreads().size());
-    assertTrue(VersionInfo.compareVersion(originVersion,
-      MASTER.getRegionServerVersion(getServerName(servers.iterator().next()))) 
> 0);
-    LOG.debug("wait for META assigned...");
-    // SCP finished, which means all regions assigned too.
-    TEST_UTIL.waitFor(60000, () -> 
!TEST_UTIL.getHBaseCluster().getMaster().getProcedures().stream()
-      .filter(p -> (p instanceof ServerCrashProcedure)).findAny().isPresent());
+    String lowerVersion = String.valueOf(majorVersion - 1) + 
originVersion.substring(originVersion.indexOf("."));
+    try {
+      setVersionInfoVersion(lowerVersion);
+      TEST_UTIL.getMiniHBaseCluster().startRegionServer(address.getHostName(), 
address.getPort());
+      assertEquals(NUM_SLAVES_BASE,
+        TEST_UTIL.getMiniHBaseCluster().getLiveRegionServerThreads().size());
+      assertTrue(VersionInfo.compareVersion(originVersion,
+        
MASTER.getRegionServerVersion(getServerName(servers.iterator().next()))) > 0);

Review Comment:
   This is unrelated, but the version expression was incorrect here.
   



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