[jboss-user] [Installation, Configuration & DEPLOYMENT] - MalformedURLException for cache config in a web app

bob_ninja do-not-reply at jboss.com
Fri Apr 18 15:51:12 EDT 2008

I have a simple web app that tries to initialize and use a cache instance. I am running the latest AS BETA 4, using the ALL config that includes cache lib.

I copied one of the sample config files:
... into my app to avoid any issues. My code is simple:

                                // read configuration
    final XmlConfigurationParser parser = new XmlConfigurationParser();
    final Configuration config =
                                // init cache
    CacheFactory<String,Object> factory =
      new DefaultCacheFactory<String,Object>();
    cache = factory.createCache(config, true);

I have my own context class co-located with the config file. The server is generating this:

15:28:45,107 ERROR [XmlHelper] Configurator general error
        at java.net.URL.(URL.java:601)
        at java.net.URL.(URL.java:464)
        at java.net.URL.(URL.java:413)
        at org.apache.xerces.impl.XMLEntityManager.setupCurrentEntity(Unknown Source)
        at org.apache.xerces.impl.XMLVersionDetector.determineDocVersion(Unknown Source)
        at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
        at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
        at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
        at org.apache.xerces.parsers.DOMParser.parse(Unknown Source)
        at org.apache.xerces.jaxp.DocumentBuilderImpl.parse(Unknown Source)
        at org.jboss.cache.xml.XmlHelper.getDocumentRoot(XmlHelper.java:374)
        at org.jboss.cache.factories.XmlConfigurationParser.parseStream(XmlConfigurationParser.java:
        at test.avaya.jbc.cache.CacheContext.init(CacheContext.java:60)
        at test.avaya.jbc.cache.CacheContext.(CacheContext.java:47)
        at test.avaya.jbc.cache.CacheContext.getInstance(CacheContext.java:33)
        at test.avaya.jbc.VerifyFidelity.run(VerifyFidelity.java:72)
15:28:45,107 ERROR [STDERR] Exception in thread "Thread-28"
15:28:45,107 ERROR [STDERR] java.lang.NullPointerException
15:28:45,107 ERROR [STDERR]     at org.jboss.cache.factories.XmlConfigurationParser.getMBeanElement(
15:28:45,107 ERROR [STDERR]     at org.jboss.cache.factories.XmlConfigurationParser.parseStream(XmlC
15:28:45,107 ERROR [STDERR]     at test.avaya.jbc.cache.CacheContext.init(CacheContext.java:60)
15:28:45,107 ERROR [STDERR]     at test.avaya.jbc.cache.CacheContext.(CacheContext.java:47)
15:28:45,107 ERROR [STDERR]     at test.avaya.jbc.cache.CacheContext.getInstance(CacheContext.java:3
15:28:45,107 ERROR [STDERR]     at test.avaya.jbc.VerifyFidelity.run(VerifyFidelity.java:72)

Looks like it does locate the file fine and starts reading it, but then fails due to a URL. "getDocumentRoot" seems to imply an early failure at the start of the file. "determineDocVersion" might imply processing the 1st tag,
<?xml version="1.0" encoding="UTF-8"?>

Not sure. I don't really see any URLs there. In any case I only changed the cluster name, so this is the stock config file that same with AS. I would assume that it should parse fine.

Tried searching old posts, but found not clue. If there is another existing resource that explains this sort of issue, I would appreciate a tip.
Or just in general any tip, as what area I should focus on.


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