org.apache.hadoop.hive.hwi

Class HWIServer

java.lang.Object

org.apache.hadoop.hive.hwi.HWIServer

public class HWIServer
extends java.lang.Object

This is the entry point for HWI. A web server is invoked in the same manner as the hive CLI. Rather then opening a command line session a web server is started and a web application to work with hive is started.

Field Summary

Fields

Modifier and Type	Field and Description
protected static org.apache.commons.logging.Log	l4j

Constructor Summary

Constructors

Constructor and Description
HWIServer(java.lang.String[] args)

Method Summary

Modifier and Type	Method and Description
static void	main(java.lang.String[] args)
void	start() This method initialized the internal Jetty Servlet Engine.
void	stop() Shut down the running HWI Server.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

l4j

protected static final org.apache.commons.logging.Log l4j

Constructor Detail

HWIServer

public HWIServer(java.lang.String[] args)
          throws java.io.IOException

Parameters:

args - These are the command line arguments. Usually -hiveconf.

Throws:

java.io.IOException

Method Detail

start

public void start()
           throws java.io.IOException

This method initialized the internal Jetty Servlet Engine. It adds the hwi context path.

Throws:

java.io.IOException - Port already in use, bad bind etc.

main

public static void main(java.lang.String[] args)
                 throws java.lang.Exception

Parameters:

args - as of now no arguments are supported

Throws:

java.lang.Exception - Could be thrown if due to issues with Jetty or bad configuration options

stop

public void stop()
          throws java.lang.Exception

Shut down the running HWI Server.

Throws:

java.lang.Exception - Running Thread.stop() can and probably will throw this