Job compilation error

[Anonymous]

I am using Talend 6.2 and jdk1.8.77. Jobs were working fine until my system crashed.

Initially I got error message "an error occurred (org/eclipse/jdt/core/javacore)" while launching Talend. But after some time I was able to launch it without any error. However, now I am unable to run any jobs. I get compilation error whenever I am running any job. Error message is like - 

""

Execution failed : Job compile errors
At least job "INIT_ORACLE_WEEKLY_DATA_EXTRACT" has a compile errors, please fix and export again.
Error Line: 2025
Detail Message: oracle.jdbc cannot be resolved to a type
There may be some other errors caused by JVM compatibility. Make sure your JVM setup is similar to the studio.

""

Please help. It's urgent.

[hami1]

Could you please check whether all the modules Updated in the Talend Version which you are using.

Thanks,

hmd

[Anonymous]

All modules are updated. Same jobs are working fine with same modules in other system. I think something went missing when my system crashed.