@Override
	public boolean folderExists(String folderPath) throws IOException {
		synchronized (syncObject) {
			validate();
			try {
				return (repository.getFolder(currentUser, folderPath, false) != null);
			}
			catch (InvalidNameException e) {
				throw new AssertException();
			}
		}
	}
Verify that the client is active and continuing to read events
Ghidra/Features/GhidraServer/src/main/java/ghidra/server/remote/RepositoryHandleImpl.java