Android: parseexception at Line 1 , column0 no element found?

I have an issue like

o

org.apache.harmony.xml.ExpatParser$ParseException: At line 1, column 0: no element found
 org.apache.harmony.xml.开发者_开发知识库ExpatParser.finish(ExpatParser.java:553) Displayed activity com.logictreeit.flight1/com.logictreeit.flight.app.MainTabActivity: 1689 ms (total 1689 ms)
 org.apache.harmony.xml.ExpatParser.parseDocument(ExpatParser.java:483)
   org.apache.harmony.xml.ExpatReader.parse(ExpatReader.java:320)
    org.apache.harmony.xml.ExpatReader.parse(ExpatReader.java:293)

Some times successfully parsing , but some times it thrwoing above error.

My code is

URL url = new URL(urlString);
        SAXParserFactory saxParserFactory= SAXParserFactory.newInstance();
        SAXParser saxParser = saxParserFactory.newSAXParser();
        XMLReader xmlReader = saxParser.getXMLReader();
        FlightGuideHandler flightGuideHandler = new FlightGuideHandler();
        xmlReader.setContentHandler(flightGuideHandler);
        inputStream = url.openStream();
        xmlReader.parse(new InputSource(urlString)); // am getting error at this line

Can any one help me to sort out this error .

Thanking yoyu , Srinivas

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Have you double checked that there is no white space at the top of the XML file and the XML declaration is the very first thing that appears?

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instead of
inputStream = url.openStream(); xmlReader.parse(new InputSource(urlString));

try xmlReader.parse(new InputSource(inputStream)); or
xmlReader.parse(new InputSource(urlString.openStream()));

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I think you are facing this issue due to xml that is not in good format...Here is a work around for you. Just clean up xml, before parsing it....just replace xml's '&', with "& amp;"(ignore the space between "& amp;")..... this may fix your issue.... as this kinds of issue could arrise due to appearance of '&' in the XML data obtained.

eg: if your string (xmlString ), is your XML data, then

xmlString = xmlString.replaceAll( "&", "& amp;" ); [please ignore the space between "& amp;" as i could not produce the same word when saved to the form. ]

will give you an error free XML string for parsing.

Hope it may saved your time atleast few minutes

Regards, Sudhin Philip.