[jira] [Created] (HADOOP-13486) Method invocation in log can be replaced by variable because the variable's toString method contain more info

["Nemo Chen (JIRA)" <ji...@apache.org>]

Nemo Chen created HADOOP-13486:
----------------------------------

             Summary: Method invocation in log can be replaced by variable because the variable's toString method contain more info 
                 Key: HADOOP-13486
                 URL: https://issues.apache.org/jira/browse/HADOOP-13486
             Project: Hadoop Common
          Issue Type: Bug
    Affects Versions: 2.7.2
            Reporter: Nemo Chen


Similar to the fix in HADOOP-6419, in file:

hadoop-rel-release-2.7.2/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/Server.java

{code}
Connection c = (Connection)key.attachment();
...
LOG.info(Thread.currentThread().getName() + ": readAndProcess from client " + c.getHostAddress() + " threw exception [" + e + "]", (e instanceof WrappedRpcServerException) ? null : e);
...
{code}

in class Connection, the toString method contains both getHostAddress() and remotePort
{code}
public String toString() {
      return getHostAddress() + ":" + remotePort; 
    }
{code}

Therefore the c.getHostAddress() should be replaced by c for simplicity and information wise.



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