Public

getUGI

getRemoteAddr

Expected user name should be a short name.

checkUsername

getDefaultWebUserName

Returns the url parameter for the given token string.

getDelegationTokenUrlParam

getNNServiceAddress

getTokenUGI

Returns the url parameter for the given string, prefixed with '?' if firstParam
is true, prefixed wi

getUrlParam

getUsernameFromQuery

bestNode

validatePath

Dictionary

Making http requests using okhttp

Represents a command that can be executed. Often used to run code in a different
Thread.

java.lang.Runnable

A buffer for bytes. A byte buffer can be created in either one of the following
ways:

 *  #allocate

java.nio.ByteBuffer

A TimeUnit represents time durations at a given unit of granularity and provides
utility methods to 

java.util.concurrent.TimeUnit

A Handler object accepts a logging request and exports the desired messages to a
target, for example

java.util.logging.Handler

Defines a general exception a servlet can throw when it encounters difficulty.

javax.servlet.ServletException

javax.swing.JOptionPane

onRequestPermissionsResult

scheduleAtFixedRate

notifyDataSetChanged

/**
   * Get {@link UserGroupInformation} and possibly the delegation token out of
   * the request.
   * @param context the ServletContext that is serving this request.
   * @param request the http request
   * @param conf configuration
   * @param secureAuthMethod the AuthenticationMethod used in secure mode.
   * @param tryUgiParameter Should it try the ugi parameter?
   * @return a new user from the request
   * @throws AccessControlException if the request has no token
   */

// Token-based connections need only verify the effective user, and

// disallow proxying to different user.  Proxy authorization checks

// are not required since the checks apply to issuing a token.

"Security enabled but user not authenticated by filter"

// Security's not on, pull from url or use default web user

// This is not necessarily true, could have been auth'ed by user-facing

// create and attempt to authorize a proxy user

How to use getUsernameFromQuerymethodin org.apache.hadoop.hdfs.server.common.JspHelper

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How to use
getUsernameFromQuery
method
in
org.apache.hadoop.hdfs.server.common.JspHelper