launchWorkerProcess(commandList, topEnvironment, logPrefix, processExitCallback, new File(workerDir));
launchWorkerProcess(commandList, topEnvironment, logPrefix, processExitCallback, new File(workerDir));
launchWorkerProcess(commandList, topEnvironment, logPrefix, processExitCallback, new File(workerDir));
launchWorkerProcess(commandList, topEnvironment, logPrefix, processExitCallback, new File(workerDir));