backport: MarshalledObject.java (equals): Check hashcode first.

Merge Orp RMI patches from Wu Gansha <gansha.wu@intel.com>
	* java/rmi/MarshalledObject.java (equals): Check hashcode first.

	* java/rmi/server/RMIClassLoader.java (MyClassLoader): Create/Use
	annotation.
	(loadClass): Take String as codebases.
	(getClassAnnotation): Use MyClassLoader annotations.
	* java/rmi/server/UnicastRemoteObject.java (UnicastRemoteObject):
	call exportObject(this).

	* gnu/java/rmi/RMIMarshalledObjectOutputStream.java
	(RMIMarshalledObjectOutputStream): set locBytesStream and locStream.
	(setAnnotation): Don't set locBytesStream and locStream.
	(replaceObject): Removed.
	(flush): Don't test locStream.
	(getLocBytes): LikeWise.
	* gnu/java/rmi/dgc/DGCImpl.java: extends UnicastServerRef.
	(leaseCache): New field.
	(dirty): Use leaseCache.
	(LeaseRecord): New inner class.
	* gnu/java/rmi/registry/RegistryImpl.java (RegistryImpl): Don't
	explicitly call exportObject().
	* gnu/java/rmi/registry/RegistryImpl_Stub.java: set useNewInvoke to
	false to communicate with Sun JDK130.
	* gnu/java/rmi/server/ConnectionRunnerPool.java: Add CPU comment.
	* gnu/java/rmi/server/RMIObjectInputStream.java
	(UnicastConnectionManager): Removed field.
	* gnu/java/rmi/server/RMIObjectOutputStream.java (replaceObject):
	Use UnicastServer.getExportedRef().
	* gnu/java/rmi/server/UnicastConnection.java (reviveTime): New field.
	(expireTime): Likewise.
	(CONNECTION_TIMEOUT): Likewise.
	(disconnect): Call sock.close().
	(isExpired): New method.
	(resetTime): Likewise.
	(run): Use do while loop and catch Exception for discardConnection().
	* gnu/java/rmi/server/UnicastConnectionManager.java: Pool connections.
	* gnu/java/rmi/server/UnicastRef.java: Lots of changes.
	* gnu/java/rmi/server/UnicastRemoteCall.java: Lots of changes.
	* gnu/java/rmi/server/UnicastServer.java (refcache): New field.
	(exportObject): Use refcache.
	(unexportObject): Likewise.
	(getExportedRef): New method.
	* gnu/java/rmi/server/UnicastServerRef.java (UnicastServerRef): New
	constructor.
	(exportObject): Save manager.serverobj.
	(getStub): New method.

From-SVN: r58900

libjava/java/rmi/server/RemoteObject.java

@@ -127,11 +127,11 @@ public boolean equals(Object obj) {
 	  }
 	catch (InstantiationException e1) 
 	  {
-	    throw new UnmarshalException("failed to create ref");
+	    throw new UnmarshalException("failed to create ref", e1);
 	  }
 	catch (IllegalAccessException e2) 
 	  {
-	    throw new UnmarshalException("failed to create ref");
+	    throw new UnmarshalException("failed to create ref", e2);
 	  }
 	ref.readExternal(in);
       }