I cannot run the following line or command;C:jar>jar cfm jarex.Jar jex.Mf *.ClassI have created jar folder contaning the 2 class files and a manifest file. But cannot run the above command it says..'jar' is not recognised as an external or internal command, operable program or batch file..

very nice and eazy undarstandable.Thank you very much. But am experiencing a problem while creating executable jar where the main class is defined in a package.Is there any additional settings to be done ?

create jar file using these statements in command promt:

echo Main-Class: name of the main program>manifest.Txt

jar cvfm Hello.Jar manifest.Txt *.Class

After executing this "Hello.Jar" file will be created.

Then run the jar file in comand promt  using:

java -jar <name of the jar>

or

double click in jar file.

Hi!

 I followed  Vicky99's as well as Prameela's reply to create a jar file. However when I looked at the contents of the jar file I find that there are the following files

META-INF/

META-INF/MANIFEST.MF

Authenticator.Class

Here Manifest.Mf is the manifest file I created using Prameela's reply and Authenticator is a class file I created, which to be sure runs perfectly fine if executed using the standard JDK method. 

I believe that the first file META-INF shouldn't be there. Any suggestions as to what I should do??

Thanks

Hi friends,

I had developed an application for a video shop in netbeans in which the there were English,korean movies etc section .If the user choose the english  the list of dvd,cd available will be loaded on the drop down and the list of customers or a text box to enter the new customer who want to take the dvd or cd for rent,the application was mainly developed on swing,and the data that stores is in the ms access.And there are lot of other features also for the application.

After the completion of the project the I  build the application,and a jar file had created in the dist folder with the lib folder.

Or the jar file that on double clicking may work properly as per the requirement.

Will any body please help me how to do the above thing or any website that form the tutorial to do,

Thank in advance

Replying to vicky99Hi..I have done all the step as per done by u. But my jar file is not opening when I double click on the jar file . Pls suggest me right step for it.Waiting for reply.

ThanksShashikant

your code creates a jar file but it gives a error "Failed to load manifest attribute for  jarex.Jar file" 

source:

http://csdl.Ics.Hawaii.Edu/~johnson/613f99/modules/04/jar-files.Html

I got an error while executing the jar file and the error is as follow;

"failed to load Main-class manifest attribute from E:/my games/game.Jar "

pls help me in this regard. How can I rectify this error??? 

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open the jar file with the winRAR

then ope the mainfest folder andd file in it with noepad

if the code is corrupted edit it and save 

We have the following project directory of classes and source.

1 Classes >> com.Headfirstjava.PackageExercise.Class. Source >>com.Headfirstjava.PackageExercise.Java

2. A text file of manifest.Txt in notepad has a single line.

Main-Class: com.Headfirstjava.PackageExercise and save this text file as manifest.Txt. We have put this manifest.Txt file  in Classes folder.

3. We run the jar tool to create JAR File D:ProjectClasses> jar cf packEx.Jar manifest.Txt com

4. Running(executing) the JAR >> java -jar packEx.Jar. Error : Failed to load ...From packEx.Jar.

Let us view the contents of jar file: jar -tf packEx.Jar >> META - INF/MANIFEST.MF manifest.Txt com/headfirstjava/PackageExercise.Class

Let us extract all the contents of a jar file: jar -xf packEx.Jar. Kindly, note that packEx.Jar is not extracting.Is it the reason for getting error - " Failed to load

Hi

I created a pagination code using java swing. I need to integrate it with my existing code. That is my retail project. Here now all the data will be in one page. I need to change it as pagination. But I did separate app pagination. So now I need to integrate it. But I don't know how to do. Pls can any one tell me about this.

R/Sir

I have already created a runnable jar file using manifiest file but I wanna ask you, How to create setup for a java project?

I follwoed that procedure.Jar file is created.ButDid not excute that jar file.Error: "failed to load main-class manifest attribute from jar"Please give any other options...

-reply by Warma

Replying to vicky99Hii!! I have created a project on hospital managment...In java language...Now the problem is that ...My project contains 25 files including (java class files,java source files and 3 jpeg file)...And now I want to make a single executable file (exe file) for the complete project ...Like other software have...Pllzz help me...As soon as possible... Thnk u...

-question by Varun Chauhan

I am working on a simple mobile game in java.Finally, I am done with the running code in eclipse, but unable to deploy it in an executable jar file, since my game contains two files first.Java(extends MIDlet) and second.Java(GameCanvas) and none of them having "main" in it, all are inherited abstract methods...I have tried various ways to create the same but each time stuck at manifest entries where main class is to be defined. If I try to do this using eclipse export wizard, I am not able to find any launch configuration, the dropdown list comes empty...Somebody help!

-question by Neelabh