SAX Parser In Applet Failure

StackOverflow https://stackoverflow.com/questions/513475

  •  21-08-2019
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Question

I have a very simple line of code in my source:

XMLReader xmlReaderFactory = XMLReaderFactory.createXMLReader();

This works flawlessly from an application, however, from an applet, it attempts to load a ".class" file from the server (no classname, just the extension just as you see) and then fails to give me a parser.

Exception in thread "Thread-13" java.lang.ClassFormatError: Incompatible magic value 218762506 in class file 
    at java.lang.ClassLoader.defineClass1(Native Method)
    at java.lang.ClassLoader.defineClass(Unknown Source)
    at java.security.SecureClassLoader.defineClass(Unknown Source)
    at sun.plugin2.applet.Applet2ClassLoader.findClass(Unknown Source)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    at org.xml.sax.helpers.NewInstance.newInstance(Unknown Source)
    at org.xml.sax.helpers.XMLReaderFactory.loadClass(Unknown Source)
    at org.xml.sax.helpers.XMLReaderFactory.createXMLReader(Unknown Source)

What could be the problem?

Was it helpful?

Solution

It looks as if you are attempting to configure the use of a SAX implementation other than that in the JRE. The configuration is pointing to a Windows text files starting with at least two empty lines. SAX implementations may be configured through the system property org.xml.sax.driver or contained in a file within a jar of the name META-INF/services/org.xml.sax.driver.

OTHER TIPS

You might be getting back a 404 error from the server for that class file. See this bug report for details.

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