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From: Apache Wiki <wikidiffs@apache.org>
To: Apache Wiki <wikidiffs@apache.org>
Date: Tue, 14 Feb 2017 12:36:05 -0000
Message-ID: <148707576549.1243.4925826331265264150@moin-vm.apache.org>
Subject: =?utf-8?q?=5BHadoop_Wiki=5D_Update_of_=22HowToSetupYourDevelopmentEnviron?=
 =?utf-8?q?ment=22_by_SteveLoughran?=
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archived-at: Tue, 14 Feb 2017 12:36:15 -0000

Dear Wiki user,

You have subscribed to a wiki page or wiki category on "Hadoop Wiki" for ch=
ange notification.

The "HowToSetupYourDevelopmentEnvironment" page has been changed by SteveLo=
ughran:
https://wiki.apache.org/hadoop/HowToSetupYourDevelopmentEnvironment?action=
=3Ddiff&rev1=3D34&rev2=3D35

Comment:
add the details on OSX install, especially protoc setup now that homebrew 1=
.x doesn't support protobuf 2.5

  This page describes how to get your environment setup and is IDE agnostic.
  =

  =3D Requirements =3D
-  * Java 6 or 7
-  * Maven
+  * Java 7 or 8 (Branch 2) or Java 8 (trunk)
+  * Maven 3.3 or later
   * Your favorite IDE
+  * Protobuf 2.5.0
  =

  =3D Setup Your Development Environment in Linux =3D
  =

- The instructions below talk about how to get an environment setup using t=
he command line to build, control source, and test.  These instructions are=
 therefore IDE independent.  Take a look at EclipseEnvironment for instruct=
ions on how to configure Eclipse to build, control source, and test.  If yo=
u prefer ItelliJ IDEA, then take a look [[HadoopUnderIDEA| here]]
+ The instructions below talk about how to get an environment setup using t=
he command line to build, control source, and test.  These instructions are=
 therefore IDE independent.  Take a look at EclipseEnvironment for instruct=
ions on how to configure Eclipse to build, control source, and test.  If yo=
u prefer IntelliJ IDEA, then take a look [[HadoopUnderIDEA| here]]
  =

-  * Choose a good place to put your code.  You will eventually use your so=
urce code to run Hadoop, so choose wisely. For example ~/code/hadoop.
+  * Choose a good place to put your code.  You will eventually use your so=
urce code to run Hadoop, so choose wisely. For example {{{~/code/hadoop}}}.
-  * Get the source.  This is documented in HowToContribute.  Put the sourc=
e in ~/code/hadoop (or whatever you chose) so that you have ~/code/hadoop/h=
adoop-common
+  * Get the source.  This is documented in HowToContribute.  Put the sourc=
e in {{{~/code/hadoop (or whatever you chose) so that you have {{{~/code/ha=
doop/hadoop-common}}}
-  * cd into ''hadoop-common'', or whatever you named the directory
+  * cd into {{{hadoop-common}}}, or whatever you named the directory
-  * attempt to run ''mvn install''
+  * attempt to run {{{mvn install}}} . To build without tests: {{{mvn inst=
all -DskipTests}}}
    *  If you get any strange errors (other than JUnit test failures and er=
rors), then consult the ''Build Errors'' section below.
   * follow GettingStartedWithHadoop to learn how to run Hadoop.
    *  If you run in to any problems, refer to the ''Runtime Errors'' below=
, along with the troubleshooting document here: TroubleShooting
+ =

+ =3D Setup Your Development Environment in OSX =3D
+ =

+ =

+ The Linux instructions match, except that:
+ =

+ XCode is needed for the command line compiler and other tools. =

+ =

+ =

+ protobuf 2.5.0 needs to be built by hand, as macports and homebrew no lon=
ger ship that version.
+ =

+ Follow the instructions in the building from source [[http://sleepythread=
.blogspot.co.uk/2013/11/installing-protoc-25x-compiler-google.html|Installi=
ng protoc 2.5.x compiler on mac]] ''but change the URL for the protobuf arc=
hive to [[https://github.com/google/protobuf/releases/download/v2.5.0/proto=
buf-2.5.0.tar.gz]]''. =

+ =

+ To verify that protobuf is  correctly installed, the command {{{protoc --=
version}}} must print out the string {{{libprotoc 2.5.0}}}.
+ =

  =

  =3D Run HDFS in pseudo-distributed mode from the dev tree =3D
 =20

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