Horrible Exception: java.lang.OutOfMemoryError: Java heap space
	at java.lang.String.<init>(Unknown Source)
	at java.lang.StringBuffer.toString(Unknown Source)
	at org.apache.log4j.PatternLayout.format(PatternLayout.java:505)
	at org.apache.log4j.WriterAppender.subAppend(WriterAppender.java:302)
	at org.apache.log4j.RollingFileAppender.subAppend(RollingFileAppender.java:263)
	at org.apache.log4j.WriterAppender.append(WriterAppender.java:160)
	at org.apache.log4j.AppenderSkeleton.doAppend(AppenderSkeleton.java:251)
	at org.apache.log4j.helpers.AppenderAttachableImpl.appendLoopOnAppenders(AppenderAttachableImpl.java:66)
	at org.apache.log4j.Category.callAppenders(Category.java:206)
	at org.apache.log4j.Category.forcedLog(Category.java:391)
	at org.apache.log4j.Category.debug(Category.java:260)
	at org.apache.velocity.runtime.log.Log4JLogChute.log(Log4JLogChute.java:148)
	at org.apache.velocity.runtime.log.Log.log(Log.java:76)
	at org.apache.velocity.runtime.log.Log.debug(Log.java:127)
	at org.apache.velocity.runtime.resource.ResourceManagerImpl.loadResource(ResourceManagerImpl.java:428)
	at org.apache.velocity.runtime.resource.ResourceManagerImpl.getResource(ResourceManagerImpl.java:335)
	at org.apache.velocity.runtime.RuntimeInstance.getTemplate(RuntimeInstance.java:1102)
	at org.apache.velocity.runtime.RuntimeSingleton.getTemplate(RuntimeSingleton.java:324)
	at org.apache.velocity.app.Velocity.mergeTemplate(Velocity.java:473)
	at org.apache.turbine.services.velocity.TurbineVelocityService.executeRequest(TurbineVelocityService.java:412)
	at org.apache.turbine.services.velocity.TurbineVelocityService.handleRequest(TurbineVelocityService.java:284)
	at org.apache.turbine.services.velocity.TurbineVelocity.handleRequest(TurbineVelocity.java:74)
	at org.apache.turbine.modules.navigations.VelocityNavigation.buildTemplate(VelocityNavigation.java:95)
	at org.apache.turbine.modules.navigations.TemplateNavigation.doBuild(TemplateNavigation.java:69)
	at org.apache.turbine.modules.Navigation.build(Navigation.java:60)
	at org.apache.turbine.modules.NavigationLoader.eval(NavigationLoader.java:110)
	at org.apache.turbine.util.template.TemplateNavigation.toString(TemplateNavigation.java:109)
	at org.apache.velocity.runtime.parser.node.ASTReference.render(ASTReference.java:336)
	at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:318)
	at org.apache.velocity.Template.merge(Template.java:254)
	at org.apache.velocity.app.Velocity.mergeTemplate(Velocity.java:483)
	at org.apache.turbine.services.velocity.TurbineVelocityService.executeRequest(TurbineVelocityService.java:412)