setInfoReq.setFileId(createResp.getFileId());
                    setInfoReq.setFileInformation(new FileRenameInformation2(destPath, replace));
                    sh.send(setInfoReq);
                } finally {
                    // Always close the file handle - ensure createResp is not null
                    if (createResp != null && createResp.getFileId() != null) {

        
        if (message instanceof Smb2ReadRequest) {
            affinityKey = Arrays.hashCode(((Smb2ReadRequest)message).getFileId());
        } else if (message instanceof Smb2WriteRequest) {
            affinityKey = Arrays.hashCode(((Smb2WriteRequest)message).getFileId());
        }
        
        if (affinityKey != 0) {
            // Select channel based on affinity key

        when(fh.acquire()).thenReturn(fh);
        lenient().when(fh.isValid()).thenReturn(true);
        lenient().when(fh.getTree()).thenReturn(tree);
        when(fh.getFileId()).thenReturn(new byte[16]);

        // Setup for ioctl request
        when(tree.send(any(Smb2IoctlRequest.class), eq(RequestParam.NO_RETRY))).thenReturn(ioctlResp);

        when(fh.acquire()).thenReturn(fh);
        when(fh.isValid()).thenReturn(true);
        when(fh.getTree()).thenReturn(tree);
        when(fh.getFileId()).thenReturn(new byte[16]);
        when(fh.getFid()).thenReturn(1);

        // build via package-private constructor to control unshared flag