Examples of org.jboss.cache.config.ConfigurationException

org.jboss.cache.config.ConfigurationException
An exception that represents an error in the configuration. This could be a parsing error or a logical error involving clashing configuration options or missing mandatory configuration elements. @author Manik Surtani (manik AT jboss DOT org) @see org.jboss.cache.config.Configuration @see org.jboss.cache.CacheFactory

      {
         evictionConfig.setWakeupInterval(getInt(wakeUpInterval));
      }
      else
      {
         throw new ConfigurationException("Missing mandatory attribute wakeUpInterval");
      }


      List<EvictionRegionConfig> evictionRegionConfigs = new LinkedList<EvictionRegionConfig>();
      Element defaultRegion = getSingleElementInCoreNS("default", evictionElement);

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         {
            algorithm = Util.getInstance(algorithmClass);
         }
         catch (Exception e)
         {
            throw new ConfigurationException("Unable to construct eviction algorithm class [" + algorithmClassName + "]", e);
         }


         try
         {
            algorithmConfig = Util.getInstance(algorithm.getConfigurationClass());
         }
         catch (Exception e)
         {
            throw new RuntimeException("Failed to instantiate eviction algorithm configuration class [" +
                  algorithm.getConfigurationClass() + "]", e);
         }
      }
      else
      {
         if (!isDefault)
         {
            if (defaultRegion == null || defaultRegion.getEvictionAlgorithmConfig() == null)
            {
               throw new MissingPolicyException("There is no Eviction Algorithm Class specified on the region or for the entire cache!");
            }
            else
            {
               try
               {
                  algorithmConfig = defaultRegion.getEvictionAlgorithmConfig().clone();
               }
               catch (CloneNotSupportedException e)
               {
                  throw new ConfigurationException("Unable to clone eviction algorithm configuration from default", e);
               }
            }
         }
      }

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         if (cache == null)
         {
            if (config == null)
            {
               throw new ConfigurationException("Must call setConfiguration() or setCache() before call to create()");
            }


            constructCache();
         }

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    * Builds the interceptor based on the interceptor class and also sets all its attributes.
    */
   private CommandInterceptor buildCommandInterceptor(Element element)
   {
      String interceptorClass = getAttributeValue(element, "class");
      if (!existsAttribute(interceptorClass)) throw new ConfigurationException("Interceptor class cannot be empty!");
      CommandInterceptor result;
      try
      {
         result = (CommandInterceptor) Util.loadClass(interceptorClass).newInstance();
      }
      catch (Exception e)
      {
         throw new ConfigurationException("CommandInterceptor class is not properly loaded in classloader", e);
      }
      Properties p = XmlConfigHelper.extractProperties(element);
      XmlConfigHelper.setValues(result, p, false, true);
      return result;
   }

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         // search for anything we need to inject
         for (Method method : methods) invokeInjectionMethod(target, method);
      }
      catch (Exception e)
      {
         throw new ConfigurationException("Unable to configure component (type: " + target.getClass() + ", instance " + target + ")", e);
      }
   }

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   protected ComponentFactory getFactory(Class componentClass)
   {
      if (defaultFactories == null) scanDefaultFactories();
      Class<? extends ComponentFactory> cfClass = defaultFactories.get(componentClass);
      if (cfClass == null)
         throw new ConfigurationException("No registered default factory for component " + componentClass + " found!");
      // a component factory is a component too!  See if one has been created and exists in the registry
      ComponentFactory cf = getComponent(cfClass);
      if (cf == null)
      {
         // hasn't yet been created.  Create and put in registry
         cf = instantiateFactory(cfClass);
         if (cf == null)
            throw new ConfigurationException("Unable to locate component factory for component " + componentClass);
         // we simply register this factory.  Registration will take care of constructing any dependencies.
         registerComponent(cf, cfClass);
      }


      // ensure the component factory is in the STARTED state!
      Component c = componentLookup.get(cfClass.getName());
      if (c.instance != cf)
         throw new ConfigurationException("Component factory " + cfClass + " incorrectly registered!");
      return cf;
   }

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         return factory.newInstance();
      }
      catch (Exception e)
      {
         // unable to get a hold of an instance!!
         throw new ConfigurationException("Unable to instantiate factory " + factory, e);
      }
   }

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            return componentType.cast(new OptimisticContextFactory());
         case PESSIMISTIC:
            if (log.isTraceEnabled()) log.trace("Creating a pessimistic context factory");
            return componentType.cast(new PessimisticContextFactory());
      }
      throw new ConfigurationException("Unknown configuration node locking scheme");
   }

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   {
      FileLookup fileLookup = new FileLookup();
      InputStream is = fileLookup.lookupFile(fileName);
      if (is == null)
      {
         throw new ConfigurationException("Unable to find config file " + fileName + " either in classpath or on the filesystem!");
      }


      return parseConfigs(is);
   }

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         if (config.getAfterClass() != null)
         {
            List<CommandInterceptor> withClassName = interceptorChain.getInterceptorsWithClassName(config.getAfterClass());
            if (withClassName.isEmpty())
            {
               throw new ConfigurationException("Cannot add after class: " + config.getAfterClass()
                     + " as no such iterceptor exists in the default chain");
            }
            interceptorChain.addAfterInterceptor(config.getInterceptor(), withClassName.get(0).getClass());
         }
         if (config.getBeforeClass() != null)
         {
            List<CommandInterceptor> withClassName = interceptorChain.getInterceptorsWithClassName(config.getBeforeClass());
            if (withClassName.isEmpty())
            {
               throw new ConfigurationException("Cannot add before class: " + config.getAfterClass()
                     + " as no such iterceptor exists in the default chain");
            }
            interceptorChain.addBeforeInterceptor(config.getInterceptor(), withClassName.get(0).getClass());
         }
      }

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org.jboss.cache.config.parsing.element.CustomInterceptorsElementParser

org.jboss.cache.config.parsing.element.EvictionElementParser

org.jboss.cache.config.parsing.element.LoadersElementParser

org.jboss.cache.config.parsing.EvictionElementParserTest

org.jboss.cache.config.parsing.RootElementBuilder

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org.jboss.cache.config.parsing.XmlConfigHelper

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