ORA-12705: Cannot access NLS data files or invalid environment specified

To resolve this issue, need to add below piece of code to your java code.

  Locale.setDefault(Locale.ENGLISH);

Locale.English is the Parameter is get from you pc set up.

Linux command to make nullable size of existing file.

Below is the command to delete the content of the existing file and make zero size of the file. Please make sure make backup of the file.

cat /dev/null > nohup.out