private void fileAccessDeleteAllowed(String file) {
		if (isAgentWorkerLogFile(file)) {
			return;
		}

		String filePath = normalize(file, workDirectory);
		for (String dir : deleteAllowedDirectory) {
			if (filePath != null && filePath.startsWith(dir)) {
				return;
			}
		}
		throw new SecurityException("File delete access on " + file + "(" + filePath + ") is not allowed.");
	}
File delete access is allowed <br>
on "agent.exec.folder".

@param file file path
ngrinder-runtime/src/main/java/org/ngrinder/sm/NGrinderSecurityManager.java