DXFLineNumberReader lnr = null;
try {
cis = new CountingInputStream(url.openStream());
lnr = new DXFLineNumberReader(new InputStreamReader(cis));
theUnivers = new DXFUnivers(dxfInsertsFilter);
theUnivers.read(lnr);
} catch (IOException ioe) {
log.error("Error reading data in datastore: ", ioe);
throw ioe;
} finally {