How retrieve the java source code from .war file project

[Ashok Reddy G]

Hello Java Developers,

I developed a Java Web project in Netbeans IDE, i deployed the .war in Tomcat web server.
It is working good. but the thing is I lost the source code of the project which I've done the project in netbeans,
i don't have backups also ..i have project .war file which i have deployed in tomcat.
now the thing is i want to do some enhancements in existing java/servlet files ...
if i extract the .war file will find only .class files but not java files.
can i know is there any possibility to get back the entire source code of the project using any free tools.
please don't recommend DJ compiler.
i want the source code (i have .war file of my project) exactly what i created/developed.....

Please suggest me ...

Best Regards,
Ashok Reddy.G
+91 9912111185

[Akshar Kaul]

i am sorry you wont be able to get the exact source code you developed.
but you can use some decompilers to convert class files back to java files.


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[Kevin]

Mr. Ashok Reddy

Source code is something that one should keep safely for you dont know
when you may need it later
The war file that you have got contains only the .class files.
For retrieving source code you should consider more about reverse
engineering i.e. to derive source code from executable code. Since
your class files are executable code, reverse engineering will
convert .class files to java files.
However as for now I cannot help you much on this topic because even I
too don't know much about reverse engineering.
Sorry for the disappointment but do remember that source code should
have its necessary back ups
You can consider a tiresome process of recreating the code again based
on the output you see in your project.
Thats all for now!

-- Kevin D' Souza

[sreehari ps]

Hi,

Try this decompiler

http://java.decompiler.free.fr/?q=jdgui

Regards
Hari

[Icon Web Solutions]

Use JAD to recover your source code. Java Decompiler.

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[Ashok Reddy G]

Thank you very much ...

Best Regards,
Ashok Reddy.G
+91 9912111185

[Kevin]

Great Idea to use a Decompiler!
I got to learn something new today.
Cheers to you all!

On May 31, 4:30 pm, Ashok Reddy G <ashokred...@gmail.com> wrote:
> Thank you very much ...
>
> Best Regards,
> Ashok Reddy.G
> +91 9912111185
>

> On 31 May 2011 13:52, sreehari ps <sreehar...@gmail.com> wrote:
>
> > Hi,
>
> > Try this decompiler
>
> >http://java.decompiler.free.fr/?q=jdgui
>
> > Regards
> > Hari
>

> >>http://www.indijava.in-  India Java User Group & Java Community.

> >>http://groups.google.com/group/indijava/
>
> >> Java Fresher Jobs :http://www.indijava.in/community/fresher-jobs
> >> Quiz :http://www.indijava.in/community/QUIZ
> >> Java News:http://www.indijava.in/community/java-news
> >> Tutorials:http://www.indijava.in/community/tutorials

> >> Forumhttp://www.indijava.in/community/forum

> >> SCJP Resources :
> >>http://www.indijava.in/community/category/certifications/scjp
>
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[vishwas m]

 ya its really good to know,,!!!

 thank u guys,,!!! 
 Vishwas M
 

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[debasish rout]

Hi
To get the source file out of the war file first you need to:

1. Extract .class files from the .war file using jar tool or any zip tool
   jar -xf <jar file name>
2. use any Java decompilers like DJ Decompiler or Cavaj ro decompile the class files
   to java files.

Regards
Debasish Rout
S/W Engineer,
Discoverture Solutions
Bhubaneswar.

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