YARN-4534. Remove the redundant symbol in yarn rmadmin help msg. Contributed by Lin Yiqun.

(cherry picked from commit 62b0d61513)

hadoop-yarn-project/CHANGES.txt

@@ -1191,6 +1191,9 @@ Release 2.8.0 - UNRELEASED
     YARN-4479. Change CS LeafQueue pendingOrderingPolicy to hornor recovered apps.
     (Rohith Sharma K S via jianhe)
 
+    YARN-4534. Remove the redundant symbol in yarn rmadmin help msg.
+    (Lin Yiqun via aajisaka)
+
 Release 2.7.3 - UNRELEASED
 
   INCOMPATIBLE CHANGES

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/cli/RMAdminCLI.java

@@ -241,7 +241,7 @@ public class RMAdminCLI extends HAAdmin {
                   + "label2(exclusive=false),label3\">]" +
       " [-removeFromClusterNodeLabels <label1,label2,label3>]" +
       " [-replaceLabelsOnNode <\"node1[:port]=label1,label2 node2[:port]=label1\">]" +
-      " [-directlyAccessNodeLabelStore]]" +
+      " [-directlyAccessNodeLabelStore]" +
       " [-updateNodeResource [NodeID] [MemSize] [vCores] ([OvercommitTimeout])");
     if (isHAEnabled) {
       appendHAUsage(summary);

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/cli/TestRMAdminCLI.java

@@ -397,7 +397,7 @@ public class TestRMAdminCLI {
               "[-removeFromClusterNodeLabels <label1,label2,label3>] " +
               "[-replaceLabelsOnNode " +
               "<\"node1[:port]=label1,label2 node2[:port]=label1\">] " +
-              "[-directlyAccessNodeLabelStore]] [-updateNodeResource " +
+              "[-directlyAccessNodeLabelStore] [-updateNodeResource " +
               "[NodeID] [MemSize] [vCores] ([OvercommitTimeout]) " +
               "[-help [cmd]]"));
       assertTrue(dataOut
@@ -487,7 +487,7 @@ public class TestRMAdminCLI {
               + " [username]] [-addToClusterNodeLabels <\"label1(exclusive=true),"
                   + "label2(exclusive=false),label3\">]"
               + " [-removeFromClusterNodeLabels <label1,label2,label3>] [-replaceLabelsOnNode "
-              + "<\"node1[:port]=label1,label2 node2[:port]=label1\">] [-directlyAccessNodeLabelStore]] "
+              + "<\"node1[:port]=label1,label2 node2[:port]=label1\">] [-directlyAccessNodeLabelStore] "
               + "[-updateNodeResource [NodeID] [MemSize] [vCores] ([OvercommitTimeout]) "
               + "[-transitionToActive [--forceactive] <serviceId>] "
               + "[-transitionToStandby <serviceId>] "