tags:

views:

233

answers:

2
+1  Q: 

Java Applet in Firefox

Hi All,

I am facing a weird problem in Testing server while using applet (using embed tag) in my ASP.NET MVC application Applet works fine locally in both browsers IE and Firefox but when deployed to Testing server its throwing below exception for Firefox only (IE works fine).

Please help me out in this 

basic: exception: javax.xml.parsers.FactoryConfigurationError: Provider <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"&gt; not found.
java.lang.RuntimeException: javax.xml.parsers.FactoryConfigurationError: Provider <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"&gt; not found
    at sun.plugin2.applet.Plugin2Manager.createApplet(Unknown Source)
    at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Unknown Source)
    at java.lang.Thread.run(Unknown Source)
Caused by: javax.xml.parsers.FactoryConfigurationError: Provider <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"&gt; not found
    at javax.xml.parsers.DocumentBuilderFactory.newInstance(Unknown Source)
    at org.apache.log4j.xml.DOMConfigurator.doConfigure(DOMConfigurator.java:772)
    at org.apache.log4j.xml.DOMConfigurator.doConfigure(DOMConfigurator.java:696)
    at org.apache.log4j.helpers.OptionConverter.selectAndConfigure(OptionConverter.java:471)
    at org.apache.log4j.LogManager.<clinit>(LogManager.java:125)
    at org.apache.log4j.Logger.getLogger(Logger.java:105)
        Exception: java.lang.RuntimeException: javax.xml.parsers.FactoryConfigurationError: Provider <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"&gt; not found
Ignored exception: java.lang.RuntimeException: javax.xml.parsers.FactoryConfigurationError: Provider <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"&gt; not found
basic: Starting applet teardown
basic: Finished applet teardown
+1  A: 

Apparently log4j tries to access some XML configuration file and cannot find them where it expects them.

PhiLho  2010-04-30 14:54:52
Thanks for reply PhiLho, I have 2 questions , same code is working locally for FireFox why the IE is not throwing this exception ? My head is spinning for this issue
prakash  2010-04-30 15:13:12
A: 

The problem is actually that the DTD cannot be found. This can be caused by access restrictions in the security box the applet is running in. IE is probably more flexible in this or has it actually in the client side cache.

That said, this indicates that the log4j XML configuration file is declared with a HTML doctype. Why is it there? It's a XML file, get rid of the HTML doctype. Just a XML declaration with eventually a log4j.dtd is enough.

BalusC  2010-05-01 03:23:36

related questions

Subsonic Vs NHibernate
How to check For File Lock in C# ?
Is nAnt still supported and suitable for .net 3.5/VS2008?
Limit size of Queue<T> in .NET?
Viewstate invalid when using Safari
Free OCR library
Unhandled Exception Handler in .NET 1.1
Localising date format descriptors
Get a new object instance from a Type in C#
VFP .NET OLEdb provider does not work in Win 64-Bits. Help
.NET Testing Framework Advice
Embedded Database for .net that can run off a network
Automatically update version number
Homegrown consumption of web services
How do you migrate a large app from VB6 to VB .net ?
.NET Migrations Engine
Adding Scripting functionality to .NET applications
SQLite and XSD
Floating Point Number parsing: Is there a Catch All algorithm?
How do I programmatically create a PDF in my .NET application?
How do I sync the SVN revision number with my ASP.NET web site?
XSD DataSets and ignoring foreign keys
Anatomy of a "Memory Leak"
Reliable Timer in a Console Application
How do I calculate relative time?