Download and install winutils.exe and place it in any location in the D drive. Actually, the official release of Hadoop 2.6 does not include the required binaries (like winutils.exe) which are required to run Hadoop. Remember, Spark is a engine built over Hadoop. Please un-zip the spark package and winutils.exe into “C” drive. A new Hadoop metrics sink that allows writing directly to Graphite. Specification work related to the Hadoop Compatible Filesystem (HCFS) effort. Support for POSIX-style filesystem extended attributes. See the user documentation for more details. Using the OfflineImageViewer, clients can now browse an fsimage via the WebHDFS API. Hadoop.dll hadoop.exp hadoop.lib hadoop.pdb libwinutils.lib winutils.exe winutils.pdb If you see upper dll and exe. You are ready to run Hadoop on Windows now! Set up Hadoop environment in Windows I got Hadoop build successfully with 'mvn compile', but still got test failure when using commenad 'mvn package'.
Whether you want to unit test your Spark Scala application using Scala Tests or want to run some Spark application on Windows, you need to perform a few basics settings and configurations before you do so. In this post, I will explain the configurations that will help you start your journey to run your spark application seamlessly on your windows machines. Let’s get started –
First, note that you don’t need Hadoop installation in your windows machine to run Spark. You need a way to use POSIX like file access operations in windows which is implemented using winutils.exe using some Windows APIs.
Step 1. Download winutils.exe binary from this link – https://github.com/steveloughran/winutils, and place it on a folder like this – – C:/hadoop/bin, make sure you are downloading the same version as on which your Spark version is compiled against. You can check the version of Hadoop your spark version was compiled with using pom of spark binary you are using – https://search.maven.org/artifact/org.apache.spark/spark-parent_2.11/2.4.4/pom
Step 2. set HADOOP_HOME and PATH – In your environment variables either using Control Panel ( available to all apps – recommended option) or on command prompt ( for the current session) – set HADOOP_HOME as C:/hadoop or the path inside which you created bin directory where winutils.exe is present.
Next is to add %HADOOP_HOME%/bin to the PATH.
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Winutils Hadoop 3.2.1
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Now you can run any spark app on your local windows machine in IntelliJ, Eclipse, or in spark-shell. Please comment below for any issues!
More Spark Posts –
What Is Winutils
Field Summary
Fields Modifier and Type Field and Description static String
ENV_HADOOP_HOME
Environment variable for Hadoop's home dir: 'HADOOP_HOME'.static String
ENV_NAME_REGEX
Regular expression for environment variables: '[A-Za-z_][A-Za-z0-9_]*'.static boolean
FREEBSD
protected boolean
inheritParentEnv
Indicates if the parent env vars should be inherited or notstatic boolean
isSetsidAvailable
static String
LINK_COMMAND
a Unix command to create a link: 'ln'.static boolean
LINUX
static org.slf4j.Logger
LOG
static boolean
MAC
static org.apache.hadoop.util.Shell.OSType
osType
Get the type of the operating system, as determined from parsing theos.name
property.static boolean
OTHER
static boolean
PPC_64
static String
READ_LINK_COMMAND
static String
SET_GROUP_COMMAND
a Unix command to set the change user's groups list: 'chgrp'.static String
SET_OWNER_COMMAND
static String
SET_PERMISSION_COMMAND
a Unix command to set permission: 'chmod'.static boolean
SOLARIS
static String
SYSPROP_HADOOP_HOME_DIR
System property for the Hadoop home directory: 'hadoop.home.dir'.protected long
timeOutInterval
Time after which the executing script would be timedout.static String
TOKEN_SEPARATOR_REGEX
Token separator regex used to parse Shell tool outputs.static String
USER_NAME_COMMAND
a Unix command to get the current user's name: 'whoami'.static boolean
WINDOWS
static int
WINDOWS_MAX_SHELL_LENGHT
Deprecated.static int
WINDOWS_MAX_SHELL_LENGTH
Maximum command line length in Windows KB830473 documents this as 8191static Object
WindowsProcessLaunchLock
static String
WINUTILS
Deprecated.use one of the exception-raising getter methods, specificallygetWinUtilsPath()
orgetWinUtilsFile()
Constructor Summary
Constructors Modifier Constructor and Description protected
Shell()
Create an instance with no minimum interval between runs; stderr is not merged with stdout.protected
Shell(long interval)
Create an instance with a minimum interval between executions; stderr is not merged with stdout.protected
Shell(long interval, boolean redirectErrorStream)
Create a shell instance which can be re-executed when therun()
method is invoked with a given elapsed time between calls.
Method Summary
All MethodsStatic MethodsInstance MethodsAbstract MethodsConcrete MethodsDeprecated Methods Modifier and Type Method and Description static File
appendScriptExtension(File parent, String basename)
Returns a File referencing a script with the given basename, inside the given parent directory.static String
appendScriptExtension(String basename)
Returns a script file name with the given basename.static boolean
checkIsBashSupported()
static void
checkWindowsCommandLineLength(String.. commands)
Checks if a given command (String[]) fits in the Windows maximum command line length Note that the input is expected to already include space delimiters, no extra count will be added for delimiters.static void
destroyAllShellProcesses()
Static method to destroy all runningShell
processes.static String
execCommand(Map<String,String> env, String.. cmd)
static String
execCommand(Map<String,String> env, String[] cmd, long timeout)
Static method to execute a shell command.static String
execCommand(String.. cmd)
static Set<Shell>
getAllShells()
Static method to return a Set of allShell
objects.static String[]
getCheckProcessIsAliveCommand(String pid)
Return a command for determining if process with specified pid is alive.String
getEnvironment(String env)
static String
getEnvironmentVariableRegex()
Return a regular expression string that match environment variables.protected abstract String[]
getExecString()
return an array containing the command name and its parameters.int
getExitCode()
static String[]
getGetPermissionCommand()
Return a command to get permission information.static String[]
getGroupsCommand()
a Unix command to get the current user's groups list.static String[]
getGroupsForUserCommand(String user)
static String[]
getGroupsIDForUserCommand(String user)
A command to get a given user's group id list.static String
getHadoopHome()
static Long
getMemlockLimit(Long ulimit)
Static method to return the memory lock limit for datanode.Process
getProcess()
get the current sub-process executing the given command.static File
getQualifiedBin(String executable)
Fully qualify the path to a binary that should be in a known hadoop bin location.static String
getQualifiedBinPath(String executable)
Fully qualify the path to a binary that should be in a known hadoop bin location.static String[]
getReadlinkCommand(String link)
Return a command to read the target of the a symbolic link.static String[]
getRunScriptCommand(File script)
static String[]
getSetOwnerCommand(String owner)
Return a command to set owner.static String[]
getSetPermissionCommand(String perm, boolean recursive)
static String[]
getSetPermissionCommand(String perm, boolean recursive, String file)
Return a command to set permission for specific file.static String[]
getSignalKillCommand(int code, String pid)
static String[]
getSymlinkCommand(String target, String link)
Return a command to create symbolic links.static String[]
getUsersForNetgroupCommand(String netgroup)
Thread
getWaitingThread()
get the thread that is waiting on this instance ofShell
.static File
getWinUtilsFile()
static String
getWinUtilsPath()
Locate the winutils binary, or fail with a meaningful exception and stack trace as an RTE.static boolean
hasWinutilsPath()
Predicate to indicate whether or not the path to winutils is known.static boolean
isJava7OrAbove()
Deprecated.This call isn't needed any more: please remove uses of it.static boolean
isJavaVersionAtLeast(int version)
Query to see if major version of Java specification of the system is equal or greater than the parameter.boolean
isTimedOut()
To check if the passed script to shell command executor timed out or not.protected abstract void
parseExecResult(BufferedReader lines)
protected void
run()
Check to see if a command needs to be executed and execute if needed.protected void
setEnvironment(Map<String,String> env)
protected void
setWorkingDirectory(File dir)
Set the working directory.Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait