CommandLine cmdLine = CommandLine.parse("/bin/sh ./generate_void_description.sh ./n3file ./voidfile");

int exitValue = executor.execute(cmdLine);

./generate_void_description.sh: 44: ./generate_void_description.sh: Syntax error: "(" unexpected
org.apache.commons.exec.ExecuteException: Process exited with an error: 2 (Exit value: 2)

executor.setExitValue(2);