resource.setTxnName(txnName);
FSFS fsfs = resource.getFSFS();
FSTransactionInfo txnInfo = null;
try {
txnInfo = fsfs.openTxn(txnName);
} catch (SVNException svne) {
if (svne.getErrorMessage().getErrorCode() == SVNErrorCode.FS_NO_SUCH_TRANSACTION) {
throw new DAVException("An activity was specified and found, but the corresponding SVN FS transaction was not found.",
null, HttpServletResponse.SC_INTERNAL_SERVER_ERROR, null, SVNLogType.NETWORK, Level.FINE, null, null, null, 0, null);
}