ORACLEWEBROWSET :java.sql.SQLException: No valid JAXP parser property

Question

Hi I have a servlet that reqeusts an xml from another servlet this is the code:
URL host = new URL(url);
HttpURLConnection hostconn = (HttpURLConnection)host.openConnection();
hostconn.connect();
BufferedReader xml = new BufferedReader(new InputStreamReader(hostconn.getInputStream()));
OracleWebRowSet wrs = new OracleWebRowSet();
wrs.readXml(xml);
I get the following error when I try to read the xml document (there is a valid xml document being passed):
java.sql.SQLException: No valid JAXP parser property specified
at oracle.jdbc.rowset.OracleWebRowSetXmlReaderImpl.readXML(OracleWebRowSetXmlReaderImpl.java:138)
at oracle.jdbc.rowset.OracleWebRowSet.readXml(OracleWebRowSet.java:83)
at com.startech.xml.WebRowSetClient.executeSearch(WebRowSetClient.java:65)
at com.startech.xml.WebRowSetClient.main(WebRowSetClient.java:81)
Pls could sum1 help thanks

Answer 1

Hi,
I hope you got rid of this problem by now. I too faced the same problem today while using OracleWebRowSet.readXML. I could able to find a workaround for this problem i.e.
I added the required parser information to System.Properties as below:
Properties p = new Properties(System.getProperties());
p.put("javax.xml.parsers.SAXParserFactory","org.apache.xerces.jaxp.SAXParserFactoryImpl");
System.setProperties(p);
and it worked for me.
Basically what OracleWebRowSet's implementation for ReadXML method does is, it performs a look up for SAXParserFactory implementations within the System properties - it then looks for any DOM implementation defined in System.properties; if none of them is available then it raises the exception
java.sql.SQLException: No valid JAXP parser property specified
- I believe this should work for you too. Please let me know if you got rid of this in any other way.
Thanks & Regards
Dandapani