I want to create a Windows XP batch script that sequentially performs something like the following:

@echo off
:: build everything
cd \workspace\project1
mvn clean install
cd ..\project2
mvn clean install

:: run some java file
cd \workspace\project3
java -jar somefile.jar

When I create a Batch script like this (following these instructions), I still have the problem that the script stops doing something after the first 

mvn clean install

and then displays the command line. How can i execute all of these commands in sequence in one batch file?

I don't want to refer to other files, I want to do it in one file.

batch-file cmd
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