HBASE-27401 Clean up current broken 'n's in our javadoc (#4812)

Signed-off-by: Andrew Purtell <apurtell@apache.org>
(cherry picked from commit 63cdd02)

Conflicts:
	hbase-backup/src/main/java/org/apache/hadoop/hbase/backup/impl/BackupManager.java
	hbase-client/src/main/java/org/apache/hadoop/hbase/HRegionLocation.java
	hbase-client/src/main/java/org/apache/hadoop/hbase/client/Append.java
	hbase-client/src/main/java/org/apache/hadoop/hbase/client/Mutation.java
	hbase-client/src/main/java/org/apache/hadoop/hbase/client/Scan.java
	hbase-client/src/main/java/org/apache/hadoop/hbase/filter/SingleColumnValueExcludeFilter.java
	hbase-client/src/main/java/org/apache/hadoop/hbase/filter/SingleColumnValueFilter.java
	hbase-client/src/main/java/org/apache/hadoop/hbase/security/visibility/VisibilityClient.java
	hbase-client/src/main/java/org/apache/hadoop/hbase/shaded/protobuf/RequestConverter.java
	hbase-common/src/main/java/org/apache/hadoop/hbase/CellUtil.java
	hbase-it/src/test/java/org/apache/hadoop/hbase/test/IntegrationTestReplication.java
	hbase-rest/src/test/java/org/apache/hadoop/hbase/rest/client/TestRemoteTable.java
	hbase-rsgroup/src/main/java/org/apache/hadoop/hbase/rsgroup/RSGroupInfoManager.java
	hbase-server/src/main/java/org/apache/hadoop/hbase/HBaseServerBase.java
	hbase-server/src/main/java/org/apache/hadoop/hbase/coprocessor/MasterObserver.java
	hbase-server/src/main/java/org/apache/hadoop/hbase/mob/MobUtils.java
	hbase-server/src/main/java/org/apache/hadoop/hbase/procedure/flush/RegionServerFlushTableProcedureManager.java
	hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/Region.java
	hbase-server/src/main/java/org/apache/hadoop/hbase/replication/HBaseReplicationEndpoint.java
	hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsSource.java
	hbase-server/src/test/java/org/apache/hadoop/hbase/HBaseTestingUtil.java
	hbase-server/src/test/java/org/apache/hadoop/hbase/HBaseTestingUtility.java
	hbase-server/src/test/java/org/apache/hadoop/hbase/tool/TestBulkLoadHFilesSplitRecovery.java
	hbase-thrift/src/main/java/org/apache/hadoop/hbase/thrift/ThriftUtilities.java

Author: Apache9

hbase-asyncfs/src/main/java/org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutputSaslHelper.java

@@ -367,7 +367,7 @@ private static class BuilderPayloadSetter {
        * Create a ByteString from byte array without copying (wrap), and then set it as the payload
        * for the builder.
        * @param builder builder for HDFS DataTransferEncryptorMessage.
-       * @param payload byte array of payload. n
+       * @param payload byte array of payload.
        */
       static void wrapAndSetPayload(DataTransferEncryptorMessageProto.Builder builder,
         byte[] payload) throws IOException {

hbase-client/src/main/java/org/apache/hadoop/hbase/AsyncMetaTableAccessor.java

@@ -102,8 +102,8 @@ public static CompletableFuture<Optional<TableState>> getTableState(AsyncTable<?
   }
 
   /**
-   * Returns the HRegionLocation from meta for the given region n * @param regionName region we're
-   * looking for
+   * Returns the HRegionLocation from meta for the given region
+   * @param regionName region we're looking for
    * @return HRegionLocation for the given region
    */
   public static CompletableFuture<Optional<HRegionLocation>>
@@ -128,8 +128,8 @@ public static CompletableFuture<Optional<TableState>> getTableState(AsyncTable<?
   }
 
   /**
-   * Returns the HRegionLocation from meta for the given encoded region name n * @param
-   * encodedRegionName region we're looking for
+   * Returns the HRegionLocation from meta for the given encoded region name
+   * @param encodedRegionName region we're looking for
    * @return HRegionLocation for the given region
    */
   public static CompletableFuture<Optional<HRegionLocation>>
@@ -176,8 +176,8 @@ private static Optional<TableState> getTableState(Result r) throws IOException {
   }
 
   /**
-   * Used to get all region locations for the specific table. n * @param tableName table we're
-   * looking for, can be null for getting all regions
+   * Used to get all region locations for the specific table.
+   * @param tableName table we're looking for, can be null for getting all regions
    * @return the list of region locations. The return value will be wrapped by a
    *         {@link CompletableFuture}.
    */
@@ -200,8 +200,8 @@ public static CompletableFuture<List<HRegionLocation>> getTableHRegionLocations(
   }
 
   /**
-   * Used to get table regions' info and server. n * @param tableName table we're looking for, can
-   * be null for getting all regions
+   * Used to get table regions' info and server.
+   * @param tableName                   table we're looking for, can be null for getting all regions
    * @param excludeOfflinedSplitParents don't return split parents
    * @return the list of regioninfos and server. The return value will be wrapped by a
    *         {@link CompletableFuture}.
@@ -259,9 +259,10 @@ void add(Result r) {
   }
 
   /**
-   * Performs a scan of META table for given table. n * @param tableName table withing we scan
-   * @param type    scanned part of meta
-   * @param visitor Visitor invoked against each row
+   * Performs a scan of META table for given table.
+   * @param tableName table withing we scan
+   * @param type      scanned part of meta
+   * @param visitor   Visitor invoked against each row
    */
   private static CompletableFuture<Void> scanMeta(AsyncTable<AdvancedScanResultConsumer> metaTable,
     TableName tableName, QueryType type, final Visitor visitor) {
@@ -270,11 +271,12 @@ private static CompletableFuture<Void> scanMeta(AsyncTable<AdvancedScanResultCon
   }
 
   /**
-   * Performs a scan of META table for given table. n * @param startRow Where to start the scan
-   * @param stopRow Where to stop the scan
-   * @param type    scanned part of meta
-   * @param maxRows maximum rows to return
-   * @param visitor Visitor invoked against each row
+   * Performs a scan of META table for given table.
+   * @param startRow Where to start the scan
+   * @param stopRow  Where to stop the scan
+   * @param type     scanned part of meta
+   * @param maxRows  maximum rows to return
+   * @param visitor  Visitor invoked against each row
    */
   private static CompletableFuture<Void> scanMeta(AsyncTable<AdvancedScanResultConsumer> metaTable,
     byte[] startRow, byte[] stopRow, QueryType type, int maxRows, final Visitor visitor) {

hbase-client/src/main/java/org/apache/hadoop/hbase/ClusterId.java

@@ -52,7 +52,8 @@ public byte[] toByteArray() {
 
   /**
    * @param bytes A pb serialized {@link ClusterId} instance with pb magic prefix
-   * @return An instance of {@link ClusterId} made from <code>bytes</code> n * @see #toByteArray()
+   * @return An instance of {@link ClusterId} made from <code>bytes</code>
+   * @see #toByteArray()
    */
   public static ClusterId parseFrom(final byte[] bytes) throws DeserializationException {
     if (ProtobufUtil.isPBMagicPrefix(bytes)) {
@@ -78,9 +79,7 @@ public ClusterIdProtos.ClusterId convert() {
     return builder.setClusterId(this.id).build();
   }
 
-  /**
-   * n * @return A {@link ClusterId} made from the passed in <code>cid</code>
-   */
+  /** Returns A {@link ClusterId} made from the passed in <code>cid</code> */
   public static ClusterId convert(final ClusterIdProtos.ClusterId cid) {
     return new ClusterId(cid.getClusterId());
   }

hbase-client/src/main/java/org/apache/hadoop/hbase/ClusterStatus.java

@@ -269,7 +269,7 @@ public List<ServerName> getBackupMasters() {
   }
 
   /**
-   * n * @return Server's load or null if not found.
+   * @return Server's load or null if not found.
    * @deprecated As of release 2.0.0, this will be removed in HBase 3.0.0 Use
    *             {@link #getLiveServerMetrics} instead.
    */

hbase-client/src/main/java/org/apache/hadoop/hbase/HColumnDescriptor.java

@@ -358,8 +358,8 @@ public HColumnDescriptor setDataBlockEncoding(DataBlockEncoding value) {
 
   /**
    * Set whether the tags should be compressed along with DataBlockEncoding. When no
-   * DataBlockEncoding is been used, this is having no effect. n * @return this (for chained
-   * invocation)
+   * DataBlockEncoding is been used, this is having no effect.
+   * @return this (for chained invocation)
    */
   public HColumnDescriptor setCompressTags(boolean value) {
     getDelegateeForModification().setCompressTags(value);
@@ -668,8 +668,8 @@ public byte[] toByteArray() {
 
   /**
    * @param bytes A pb serialized {@link HColumnDescriptor} instance with pb magic prefix
-   * @return An instance of {@link HColumnDescriptor} made from <code>bytes</code> n * @see
-   *         #toByteArray()
+   * @return An instance of {@link HColumnDescriptor} made from <code>bytes</code>
+   * @see #toByteArray()
    */
   public static HColumnDescriptor parseFrom(final byte[] bytes) throws DeserializationException {
     ColumnFamilyDescriptor desc = ColumnFamilyDescriptorBuilder.parseFrom(bytes);
@@ -713,7 +713,7 @@ public String getEncryptionType() {
   }
 
   /**
-   * Set the encryption algorithm for use with this family n
+   * Set the encryption algorithm for use with this family
    */
   public HColumnDescriptor setEncryptionType(String value) {
     getDelegateeForModification().setEncryptionType(value);