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 post requests using okhttp

Convenience class for writing character files. The constructors of this class
assume that the defaul

java.io.FileWriter

Prints formatted representations of objects to a text-output stream. This class
implements all of th

java.io.PrintWriter

An immutable arbitrary-precision signed decimal.A value is represented by an
arbitrary-precision "un

java.math.BigDecimal

DecimalFormat is a concrete subclass ofNumberFormat that formats decimal
numbers. It has a variety o

java.text.DecimalFormat

org.hamcrest.core.IsNull

Class that models an arbitrary location in a Resource.Typically used to track
the location of proble

org.springframework.beans.factory.parsing.Location

Return the contained value, if present, otherwise throw an exception to be
created by the provided s

orElseThrow

getApplicationContext

Compares this BigDecimal with the specified BigDecimal. Two BigDecimal objects
that are equal in val

compareTo

/**
   * 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