}
        if (unc.lastIndexOf('\\') != unc.length() - 1) {
            throw new SmbException(unc + " UNC must end with '\\'");
        }

        final SmbTreeHandleImpl th = getTreeHandle();
        this.response = new Trans2FindFirst2Response(th.getConfig());

        try {

     * @throws CIFSException if an error occurs opening the directory
     */
    @SuppressWarnings("resource")
    @Override
    protected FileEntry open() throws CIFSException {
        final SmbTreeHandleImpl th = getTreeHandle();
        final String uncPath = getParent().getLocator().getUNCPath();
        final Smb2CreateRequest create = new Smb2CreateRequest(th.getConfig(), uncPath);

            throw e;
        }

    }

    /**
     * Gets the SMB tree handle for this iterator.
     *
     * @return the treeHandle
     */
    public final SmbTreeHandleImpl getTreeHandle() {
        return this.treeHandle;
    }

    /**
     * Gets the search attributes for this iterator.
     *
     * @return the search attributes used for filtering directory entries
     */

        // Act
        TestIterator it = TestIterator.create(tree, parent, wildcard, null, attrs, initial, pages);

        // Assert
        assertSame(tree, it.getTreeHandle(), "tree handle should be same instance returned by acquire");
        assertEquals(attrs, it.getSearchAttributes());
        assertEquals(wildcard, it.getWildcard());
        assertSame(parent, it.getParent());

    /**
     * Retrieves the tree handle for this SMB resource
     *
     * @return a tree handle
     * @throws CIFSException if the tree connection cannot be established
     */
    public SmbTreeHandle getTreeHandle() throws CIFSException {
        return ensureTreeConnected();
    }

    /**
     * {@inheritDoc}
     * Optimized to provide better resource cleanup with caching benefits.
     *