[resolved] An internal error occurred during: java.lang.NullPointerException

[Anonymous]

I am receiving the following error, which is preventing me from running my jobs (errors encountered during build):
An internal error occurred during: "Generation Engine Initialization in progress...".
java.lang.NullPointerException

I checked the environment variable and all my other Java-based applications work.  Any ideas? 

[mlatasa]

Solved. Although same error keep arrising in the .log file, now the job gets generated.
This is what solved it.
In 6.0.1, even after :

stop your Studios / commandline
navigate to Talend-Studio-20141207_1530-V5.6.1/plugins/org.talend.designer.codegen_5.6.1.20141207_1530/resources/
delete the file named header_route.javajet
delete the commandline-workspace folder (le workspace du commandline )
re-start your commandline and / or Studios
The file gets recreated , 
the error still appears in the .log.
The generation seems to be ok
from 

[Anonymous]

Hi,
Thanks for your feedback. Feel free to let us know if your issue repro again.
Best regards
Sabrina