in taverna-server-worker/src/main/java/org/apache/taverna/server/localworker/impl/LocalWorker.java [369:378]
private void setPrivatePerms(File dir) {
if (!dir.setReadable(false, false) || !dir.setReadable(true, true)
|| !dir.setExecutable(false, false)
|| !dir.setExecutable(true, true)
|| !dir.setWritable(false, false)
|| !dir.setWritable(true, true)) {
out.println("warning: "
+ "failed to set permissions on security context directory");
}
}