Solved: A Java runtime Environmrnt(JRE) or Java Development Kit(JDK) must be available in order to tun Eclipse. No Java virtual machine was found

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Fifian

A Java runtime Environmrnt(JRE) or Java Development Kit(JDK) must be available in order to tun Eclipse. No Java virtual machine was found

Hi,
could you please help!!! I installed Eclipse on my windows XP computer and before that I installed Java SDK or JDK installed on my machine, version 1.4.2_8 from a CD which attached with the Eclipse book..when I complete the installation of the Eclipse and doubble click to Eclipse.exe (as a blue boll icon), I always got a message pop-upp dialog telleing me " A Java runtime Environmrnt(JRE) or Java Development Kit(JDK) must be available in order to tun Eclipse. No Java virtual machine was found after searching in the following locations: C:\ide\eclipse\jre\bin\javaw.exe 'javaw.exe.' in your PATH.
I have installed a higher version of SDK 1.4.2_10 and more What shall I do??
Thank you

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sciuriware

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sciuriware

There are good reasons to download JAVA 6.1 from SUN
and to download ECLIPSE 3.2.2 from http://www.eclipse.org/downloads/
then at least you're up to date.

Delete the C:\eclipse directory in advance and simply expand the new download into C:\

;JOOP!

sciuriware

I forgot to tell you that it's good to uninstall JAVA before or after ECLIPSE installation
before you install the latest JAVA.

You should start eclipse as:

C:\eclipse\eclipse.exe -data MyDevelopmentDirectory // The later is personal

My command is : E:\eclipse\eclipse.exe -data D:\JOOP\JAVA -vmargs -Xmx256m -Xms128m
where the last parameters start with a lot of memory to speed things up.

;JOOP!

sciuriware

And the right place to download JAVA from is: http://java.sun.com/javase/downloads/index.jsp

;JOOP!

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ysnky🇹🇷

eclipse needs jdk to run so you need to set JAVA_HOME variable which refers to jdk installation directory. to set JAVA_HOME variable;

right click on "my computer" and click to "properties"
click to "advanced" tab
click to "environment variables"
click to "new" button under "system variables"
enter JAVA_HOME for variables name
enter jdk installation directory ("C:\Program Files\Java\jdk1.5.0_01" for me) for variables value
then click to ok

sciuriware

ysnky, eclipse only needs a JRE as it comes with its own compiler.

;JOOP!

ysnky🇹🇷

under which directory???
i couldnt find javac.exe under eclipse directory.

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sciuriware

You don't need javac.exe, there is a compiler INSIDE ECLIPSE.

;JOOP!

ysnky🇹🇷

is there a path where jdk is stored in eclipse? for example in jdeveloper it is kept under jdk directory.

sciuriware

There is NO JDK inside ECLIPSE.
The official SUN JDK contains all java sources and demo's

What you are looking for is eclipsec.exe
But, please don't touch it.
Let ECLIPSE do the work for you.

;JOOP!

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ysnky🇹🇷

where is eclipsec.exe?

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Java is a platform-independent, object-oriented programming language and run-time environment, designed to have as few implementation dependencies as possible such that developers can write one set of code across all platforms using libraries. Most devices will not run Java natively, and require a run-time component to be installed in order to execute a Java program.