HADOOP-10106. Merge change r1551369 from trunk.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1551379 13f79535-47bb-0310-9956-ffa450edef68

hadoop-common-project/hadoop-common/CHANGES.txt

@@ -181,6 +181,8 @@ Release 2.4.0 - UNRELEASED
     HADOOP-8753. LocalDirAllocator throws "ArithmeticException: / by zero" when
     there is no available space on configured local dir. (Benoy Antony via hitesh)
 
+    HADOOP-10106. Incorrect thread name in RPC log messages. (Ming Ma via jing9)
+
 Release 2.3.0 - UNRELEASED
 
   INCOMPATIBLE CHANGES

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

@@ -548,14 +548,14 @@ public abstract class Server {
       
       @Override
       public void run() {
-        LOG.info("Starting " + getName());
+        LOG.info("Starting " + Thread.currentThread().getName());
         try {
           doRunLoop();
         } finally {
           try {
             readSelector.close();
           } catch (IOException ioe) {
-            LOG.error("Error closing read selector in " + this.getName(), ioe);
+            LOG.error("Error closing read selector in " + Thread.currentThread().getName(), ioe);
           }
         }
       }
@@ -586,7 +586,7 @@ public abstract class Server {
             }
           } catch (InterruptedException e) {
             if (running) {                      // unexpected -- log it
-              LOG.info(getName() + " unexpectedly interrupted", e);
+              LOG.info(Thread.currentThread().getName() + " unexpectedly interrupted", e);
             }
           } catch (IOException ex) {
             LOG.error("Error in Reader", ex);
@@ -617,7 +617,7 @@ public abstract class Server {
 
     @Override
     public void run() {
-      LOG.info(getName() + ": starting");
+      LOG.info(Thread.currentThread().getName() + ": starting");
       SERVER.set(Server.this);
       connectionManager.startIdleScan();
       while (running) {
@@ -649,7 +649,7 @@ public abstract class Server {
           closeCurrentConnection(key, e);
         }
       }
-      LOG.info("Stopping " + this.getName());
+      LOG.info("Stopping " + Thread.currentThread().getName());
 
       synchronized (this) {
         try {
@@ -707,14 +707,14 @@ public abstract class Server {
       try {
         count = c.readAndProcess();
       } catch (InterruptedException ieo) {
-        LOG.info(getName() + ": readAndProcess caught InterruptedException", ieo);
+        LOG.info(Thread.currentThread().getName() + ": readAndProcess caught InterruptedException", ieo);
         throw ieo;
       } catch (Exception e) {
         // a WrappedRpcServerException is an exception that has been sent
         // to the client, so the stacktrace is unnecessary; any other
         // exceptions are unexpected internal server errors and thus the
         // stacktrace should be logged
-        LOG.info(getName() + ": readAndProcess from client " +
+        LOG.info(Thread.currentThread().getName() + ": readAndProcess from client " +
             c.getHostAddress() + " threw exception [" + e + "]",
             (e instanceof WrappedRpcServerException) ? null : e);
         count = -1; //so that the (count < 0) block is executed
@@ -737,7 +737,7 @@ public abstract class Server {
         try {
           acceptChannel.socket().close();
         } catch (IOException e) {
-          LOG.info(getName() + ":Exception in closing listener socket. " + e);
+          LOG.info(Thread.currentThread().getName() + ":Exception in closing listener socket. " + e);
         }
       }
       for (Reader r : readers) {
@@ -770,16 +770,16 @@ public abstract class Server {
 
     @Override
     public void run() {
-      LOG.info(getName() + ": starting");
+      LOG.info(Thread.currentThread().getName() + ": starting");
       SERVER.set(Server.this);
       try {
         doRunLoop();
       } finally {
-        LOG.info("Stopping " + this.getName());
+        LOG.info("Stopping " + Thread.currentThread().getName());
         try {
           writeSelector.close();
         } catch (IOException ioe) {
-          LOG.error("Couldn't close write selector in " + this.getName(), ioe);
+          LOG.error("Couldn't close write selector in " + Thread.currentThread().getName(), ioe);
         }
       }
     }
@@ -800,7 +800,7 @@ public abstract class Server {
                   doAsyncWrite(key);
               }
             } catch (IOException e) {
-              LOG.info(getName() + ": doAsyncWrite threw exception " + e);
+              LOG.info(Thread.currentThread().getName() + ": doAsyncWrite threw exception " + e);
             }
           }
           long now = Time.now();
@@ -915,7 +915,7 @@ public abstract class Server {
           call = responseQueue.removeFirst();
           SocketChannel channel = call.connection.channel;
           if (LOG.isDebugEnabled()) {
-            LOG.debug(getName() + ": responding to " + call);
+            LOG.debug(Thread.currentThread().getName() + ": responding to " + call);
           }
           //
           // Send as much data as we can in the non-blocking fashion
@@ -934,7 +934,7 @@ public abstract class Server {
               done = false;            // more calls pending to be sent.
             }
             if (LOG.isDebugEnabled()) {
-              LOG.debug(getName() + ": responding to " + call
+              LOG.debug(Thread.currentThread().getName() + ": responding to " + call
                   + " Wrote " + numBytes + " bytes.");
             }
           } else {
@@ -962,7 +962,7 @@ public abstract class Server {
               }
             }
             if (LOG.isDebugEnabled()) {
-              LOG.debug(getName() + ": responding to " + call
+              LOG.debug(Thread.currentThread().getName() + ": responding to " + call
                   + " Wrote partial " + numBytes + " bytes.");
             }
           }
@@ -970,7 +970,7 @@ public abstract class Server {
         }
       } finally {
         if (error && call != null) {
-          LOG.warn(getName()+", call " + call + ": output error");
+          LOG.warn(Thread.currentThread().getName()+", call " + call + ": output error");
           done = true;               // error. no more data for this channel.
           closeConnection(call.connection);
         }
@@ -1925,7 +1925,7 @@ public abstract class Server {
 
     @Override
     public void run() {
-      LOG.debug(getName() + ": starting");
+      LOG.debug(Thread.currentThread().getName() + ": starting");
       SERVER.set(Server.this);
       ByteArrayOutputStream buf = 
         new ByteArrayOutputStream(INITIAL_RESP_BUF_SIZE);
@@ -1933,7 +1933,7 @@ public abstract class Server {
         try {
           final Call call = callQueue.take(); // pop the queue; maybe blocked here
           if (LOG.isDebugEnabled()) {
-            LOG.debug(getName() + ": " + call + " for RpcKind " + call.rpcKind);
+            LOG.debug(Thread.currentThread().getName() + ": " + call + " for RpcKind " + call.rpcKind);
           }
           String errorClass = null;
           String error = null;
@@ -1966,7 +1966,7 @@ public abstract class Server {
             if (e instanceof UndeclaredThrowableException) {
               e = e.getCause();
             }
-            String logMsg = getName() + ", call " + call + ": error: " + e;
+            String logMsg = Thread.currentThread().getName() + ", call " + call + ": error: " + e;
             if (e instanceof RuntimeException || e instanceof Error) {
               // These exception types indicate something is probably wrong
               // on the server side, as opposed to just a normal exceptional
@@ -2015,13 +2015,13 @@ public abstract class Server {
           }
         } catch (InterruptedException e) {
           if (running) {                          // unexpected -- log it
-            LOG.info(getName() + " unexpectedly interrupted", e);
+            LOG.info(Thread.currentThread().getName() + " unexpectedly interrupted", e);
           }
         } catch (Exception e) {
-          LOG.info(getName() + " caught an exception", e);
+          LOG.info(Thread.currentThread().getName() + " caught an exception", e);
         }
       }
-      LOG.debug(getName() + ": exiting");
+      LOG.debug(Thread.currentThread().getName() + ": exiting");
     }
 
   }