HBASE-3979 Trivial fixes in code, document

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1134459 13f79535-47bb-0310-9956-ffa450edef68

CHANGES.txt

@@ -118,6 +118,7 @@ Release 0.91.0 - Unreleased
    HBASE-3971  Compression.java uses ClassLoader.getSystemClassLoader()
                to load codec (Alejandro Abdelnur)
    HBASE-3976  Disable block cache on compactions (Karthik Sankarachary)
+   HBASE-3979  Trivial fixes in code, document (Ming Ma)
 
   IMPROVEMENTS
    HBASE-3290  Max Compaction Size (Nicolas Spiegelberg via Stack)  

src/main/java/org/apache/hadoop/hbase/client/HConnectionManager.java

@@ -980,8 +980,6 @@ public class HConnectionManager {
           // Instantiate the location
           String hostname = Addressing.parseHostname(hostAndPort);
           int port = Addressing.parsePort(hostAndPort);
-          value = regionInfoRow.getValue(HConstants.CATALOG_FAMILY,
-            HConstants.SERVER_QUALIFIER);
           location = new HRegionLocation(regionInfo, hostname, port);
           cacheLocation(tableName, location);
           return location;

src/main/java/org/apache/hadoop/hbase/master/SplitLogManager.java

@@ -173,8 +173,8 @@ public class SplitLogManager extends ZooKeeperListener {
    * available worker region server. This method must only be called after the
    * region servers have been brought online.
    *
-   * @param serverName
-   *          region server name
+   * @param logDir
+   *          the log directory encoded with a region server name
    * @throws IOException
    *          if there was an error while splitting any log file
    * @return cumulative size of the logfiles split

src/main/java/org/apache/hadoop/hbase/regionserver/RegionCoprocessorHost.java

@@ -751,7 +751,7 @@ public class RegionCoprocessorHost
 
   /**
    * @param increment increment object
-   * @param result the result returned by incrementColumnValue
+   * @param result the result returned by postIncrement
    * @throws IOException if an error occurred on the coprocessor
    */
   public void postIncrement(final Increment increment, Result result)