Thanks Nichole,
I'd like to try this... just not sure if I remember my Java well enough to get
what you're saying. Are you talking about using that chunk of code in place of
my import?
Also, just to clarify, I'm encountering the error while not in Production mode
-- just trying to debug my code in Eclipse.
Sam
On Apr 28, 2011, at 9:25 PM, Nichole wrote:
> When I need to use document operations rather than a sax2 parser
> through the XMLReaderFactory
> reader, I set a system property which declares the first preferred
> implementation of the factory:
>
> String appEngineEnv =
> System.getProperty("com.google.appengine.runtime.environment");
>
> if (appEngineEnv != null &&
> appEngineEnv.equalsIgnoreCase("Production")){ // else Development
> // avail in app engine:
> System.setProperty("javax.xml.parsers.SAXParserFactory",
>
> "com.sun.org.apache.xerces.internal.parsers.SAXParserFactoryImpl");
> }
>
>
>
>
> On Apr 27, 8:58 pm, Sam <[email protected]> wrote:
>> Hi,
>>
>> I'm new to App Engine. I just spent the weekend porting my code over
>> to Java. The major class in my app is a SAX XML parser that extends
>> DefaultHandler. For some reason, I keep on getting errors similar to
>> the following (extracted from the Eclipse debugger) whenever I try to
>> get a PersistenceManager:
>>
>> Source not found
>> -------------------------
>> The JAR file /Applications/eclipse/plugins/
>> com.google.appengine.eclipse.sdkbundle_1.4.3v201103311225/appengine-
>> java-sdk-1.4.3/lib/usr/appengine-api-1.0-sdk-1.4.3.jar has no source
>> attachment.
>>
>> You can attach source by clicking Attach Source below:
>>
>> // "Attach Source" button follows....
>>
>> I've tried deleting Eclipse and then re-install both it and the Google
>> add-ons, but that didn't help. The error is happening both when I try
>> to instantiate an instance of the PMF class as shown in the Guestbook
>> example, and when I try to eliminate that by using the following line
>> instead:
>>
>> PersistenceManager pm =
>> javax.jdo.JDOHelper.getPersistenceManagerFactory().getPersistenceManager();
>>
>> My call stack for the main thread looks like the following every time
>> it crashes:
>>
>> XIncludeAwareParserConfiguration(XML11Configuration).parse(boolean)
>> line: 820
>> XIncludeAwareParserConfiguration(XML11Configuration).parse(XMLInputSource)
>> line: 737
>> SAXParserImpl$JAXPSAXParser(XMLParser).parse(XMLInputSource) line: 119
>> SAXParserImpl$JAXPSAXParser(AbstractSAXParser).parse(InputSource)
>> line: 1205
>> SAXParserImpl$JAXPSAXParser.parse(InputSource) line: 522
>> SAXParserImpl$JAXPSAXParser.parse(String, DefaultHandler) line: 277
>> MyServlet.doGet(HttpServletRequest, HttpServletResponse) line: 24
>> MyServlet(HttpServlet).service(HttpServletRequest,
>> HttpServletResponse) line: 617
>> MyServlet(HttpServlet).service(ServletRequest, ServletResponse) line:
>> 717
>> ServletHolder.handle(ServletRequest, ServletResponse) line: 511
>> ... and so on. I'm willing to send the entire callstack if anyone
>> would find that helpful.
>>
>> Some classes I don't even get a "class not found" error for; just
>> "Source not found." in red text with a button to edit the source
>> lookup path. Those classes include XIncludeAwareParserConfiguration,
>> SAXParserImpl$JAXPSAXParser, ServletHolder, ServeBlobFilter,
>> ServletHandler, StaticFileFilter, SecurityHandler,
>> DevAppEngineWebAppContext, JettyContainerService$ApiProxyHandler,
>> Server, HttpConnection, HttpParser, and QueuedThreadPool$PoolThread.
>>
>> The classes that are getting the "class not found" errors are all
>> saying the AppEngine jar doesn't have source attached to it, see
>> above. They are: TransactionCleanupFilter, my servlet (which extends
>> HttpServlet), SelectChannelConnector$ConnectorEndPoint.
>>
>> I'm stumped.
>>
>> Do you have any ideas?
>>
>> Thanks in advance,
>>
>> Sam Stigler
>> [email protected]
>
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