if (propName.startsWith(SVNProperty.SVN_WC_PREFIX)) {
if (propName != null && propName.startsWith(SVNProperty.SVN_WC_PREFIX)) {
    public void doGetRevisionProperty(File path, String propName, SVNRevision pegRev, SVNRevision revision, ISVNPropertyHandler handler) throws SVNException {        if (propName.startsWith(SVNProperty.SVN_WC_PREFIX)) {            SVNErrorManager.error("svn: '" + propName + "' is a wcprop , thus not accessible to clients");        }        SVNWCAccess wcAccess = createWCAccess(path);        try {            wcAccess.open(true, false);            String url = wcAccess.getTargetEntryProperty(SVNProperty.URL);            long revNumber = getRevisionNumber(path, revision);            if (pegRev == null || !pegRev.isValid()) {                pegRev = SVNRevision.parse(wcAccess.getTargetEntryProperty(SVNProperty.REVISION));            }            revision = SVNRevision.create(revNumber);            url = getURL(url, pegRev, revision);            doGetRevisionProperty(url, propName, revision, handler);        } finally {            wcAccess.close(true, false);        }    }