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javac not recognized as an internal external command

vijay kaaman
Greenhorn

Joined: May 18, 2011
Posts: 5
Hi..

I am using windows 7.

JAVA_HOME and PATH environment variables set. "C:\Program Files\Java\jdk1.7.0_01"

on the following directory.."C:\SCWCD\beerV1\src\com\example\web\" there exists a file called BeerSelect.java

when I issue the javac command in the above directory as "javac BeerSelect.java"..I get the "javac not recognized as an internal external command.." error message. However, if I move the java file to the bin directory in "C:\Program Files\Java\jdk1.7.0_01", I do not get the javac not recognized error.

Can someone help me with this?

THank you.



John Jai
Bartender

Joined: May 31, 2011
Posts: 1776
Did you open a new cmd prompt after setting the PATH variable under the System Variables? Note that PATH should point to the bin directory of the Java 7 installation folder and better append it in the beginning of the PATH configuration.
Campbell Ritchie
Sheriff

Joined: Oct 13, 2005
Posts: 38363
    
  23
Never put your work into the program files directories. Your PATH entry should end with bin, as John Jai has told you.
Rodrigo Lopes
Ranch Hand

Joined: Feb 29, 2008
Posts: 119
set JAVA_HOME="C:\Program Files\Java\jdk1.7.0_01" and PATH=%PATH%;%JAVA_HOME%\bin
and don't forget to also set CLASSPATH=.;%JAVA_HOME%\lib (at least)
Campbell Ritchie
Sheriff

Joined: Oct 13, 2005
Posts: 38363
    
  23
Disagree. Unless you have problems you should forget about setting a system classpath.
Hebert Coelho
Ranch Hand

Joined: Jul 14, 2010
Posts: 754

Usually i just set the PATH with the bin folder of the Java instalation.

Something like: "C:\Program Files\Java\jdk1.7.0_01\bin"

You would not need the JAVA_HOME


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Campbell Ritchie
Sheriff

Joined: Oct 13, 2005
Posts: 38363
    
  23
Both methods for setting the PATH are valid. You sometimes need a JAVA_HOME for IDEs, but that is an advanced topic.
 
It is sorta covered in the JavaRanch Style Guide.
 
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