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其实产生见解的过程就是训练自己发现问题,分析问题的能力。根据以上的认识我想谈下传统的学习与通过视频独立学习的优缺点:
前一阵子在开辟一个Struts2的原型SCM项目,用Struts2+Hibernate开辟.再次碰到了Struts2+JDK6的抵触成绩.
堕落信息:Illegalaccess:thiswebapplicationinstancehasbeenstoppedalready.Couldnotloadorg.xml.sax.SAXException.Theeventualfollowingstacktraceiscausedbyanerrorthrownfordebuggingpurposesaswellastoattempttoterminatethethreadwhichcausedtheillegalaccess,andhasnofunctionalimpact.
java.lang.IllegalStateException
atorg.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1244)
atorg.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1204)
atjava.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)
atorg.apache.xerces.jaxp.DocumentBuilderFactoryImpl.newDocumentBuilder(UnknownSource)
atcom.sun.org.apache.xalan.internal.xsltc.trax.SAX2DOM.<init>(SAX2DOM.java:69)
atcom.sun.org.apache.xalan.internal.xsltc.runtime.output.TransletOutputHandlerFactory.getSerializationHandler(TransletOutputHandlerFactory.java:187)
atcom.sun.org.apache.xalan.internal.xsltc.trax.TransformerImpl.getOutputHandler(TransformerImpl.java:392)
atcom.sun.org.apache.xalan.internal.xsltc.trax.TransformerHandlerImpl.setResult(TransformerHandlerImpl.java:137)
atcom.opensymphony.xwork2.util.DomHelper$DOMBuilder.setup(DomHelper.java:213)
atcom.opensymphony.xwork2.util.DomHelper$DOMBuilder.<init>(DomHelper.java:198)
atcom.opensymphony.xwork2.util.DomHelper$DOMBuilder.<init>(DomHelper.java:189)
atcom.opensymphony.xwork2.util.DomHelper$DOMBuilder.<init>(DomHelper.java:175)
atcom.opensymphony.xwork2.util.DomHelper.parse(DomHelper.java:115)
atcom.opensymphony.xwork2.config.providers.XmlConfigurationProvider.loadConfigurationFiles(XmlConfigurationProvider.java:830)
atcom.opensymphony.xwork2.config.providers.XmlConfigurationProvider.loadDocuments(XmlConfigurationProvider.java:131)
atcom.opensymphony.xwork2.config.providers.XmlConfigurationProvider.init(XmlConfigurationProvider.java:100)
atcom.opensymphony.xwork2.config.impl.DefaultConfiguration.reload(DefaultConfiguration.java:130)
atcom.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:52)
atorg.apache.struts2.dispatcher.Dispatcher.init_PreloadConfiguration(Dispatcher.java:395)
atorg.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:452)
atorg.apache.struts2.dispatcher.FilterDispatcher.init(FilterDispatcher.java:201)
atorg.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:275)
atorg.apache.catalina.core.ApplicationFilterConfig.setFilterDef(ApplicationFilterConfig.java:397)
atorg.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:108)
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Java的B/s开发是通常是javaweb开发,又叫J2EE开发,J2SE是手机开发。C#的C/s和B/s开发是说.net和Asp开发。。u在这里说明一点;资深一点的Java和C#程序员都明白一点 |
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