在java中加载freemarker模板时FileNotFoundException
在加载freemarker模板时,即使该模板实际存在于路径中,我也收到一个找不到异常的文件.
更新:这是作为一个webservice运行.它会根据搜索查询将xml返回给客户端.当我从另一个java程序(从静态主机)调用它时,模板加载成功.但是当客户端请求xml时,发生FileNotFoundException. 操作系统:Windows 7 这是我的代码: private String templatizeQuestion(QuestionResponse qr) throws Exception { SimpleHash context = new SimpleHash(); Configuration config = new Configuration(); StringWriter out = new StringWriter(); Template _template = null; if(condition1) { _template = config.getTemplate("/templates/fibplain.xml"); } else if(condition2) { _template = config.getTemplate("/templates/mcq.xml"); } context.put("questionResponse",qr); _template.process(context,out); return out.toString(); } 全错误堆栈: java.io.FileNotFoundException: Template /templates/fibplain.xml not found. at freemarker.template.Configuration.getTemplate(Configuration.java:495) at freemarker.template.Configuration.getTemplate(Configuration.java:458) at com.hm.newAge.services.Curriculum.templatizeQuestion(Curriculum.java:251) at com.hm.newAge.services.Curriculum.processQuestion(Curriculum.java:228) at com.hm.newAge.services.Curriculum.processQuestionList(Curriculum.java:210) at com.hm.newAge.services.Curriculum.getTest(Curriculum.java:122) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.apache.axis2.rpc.receivers.RPCUtil.invokeServiceClass(RPCUtil.java:212) at org.apache.axis2.rpc.receivers.RPCMessageReceiver.invokeBusinessLogic(RPCMessageReceiver.java:117) at org.apache.axis2.receivers.AbstractInOutMessageReceiver.invokeBusinessLogic(AbstractInOutMessageReceiver.java:40) at org.apache.axis2.receivers.AbstractMessageReceiver.receive(AbstractMessageReceiver.java:114) at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:181) at org.apache.axis2.transport.http.HTTPTransportUtils.processHTTPPostRequest(HTTPTransportUtils.java:172) at org.apache.axis2.transport.http.AxisServlet.doPost(AxisServlet.java:146) at javax.servlet.http.HttpServlet.service(HttpServlet.java:637) at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:861) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:606) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489) at java.lang.Thread.run(Unknown Source) 解决方法
FreeMarker模板路径由TemplateLoader对象解析,该对象应在Configuration对象中指定.您指定为模板路径的路径由TemplateLoader解释,通常相对于某种基本目录(即使以/开头),因此也称为模板根目录.在你的例子中,你没有指定任何TemplateLoader,所以你使用的是默认的TemplateLoader,它只是向后兼容的,几乎没用(也是危险的).所以,做这样的事情:
config.setDirectoryForTemplateLoading(new File( "C:/Users/Jay/workspace/WebService/templates")); 接着: config.getTemplate("fibplain.xml"); 请注意,模板前缀不存在,因为模板路径相对于C:/ Users / Jay / workspace / WebService / templates. (这也意味着模板不能用../-s退出,这可能对安全性很重要.) 您也可以从SerlvetContext,“类路径”等加载模板,而不是从真实目录加载.这一切都取决于您选择的TemplateLoader. 参见:http://freemarker.org/docs/pgui_config_templateloading.html 更新:如果您获取FileNotFoundException而不是TemplateNotFoundException,那么现在是将FreeMarker升级到至少2.3.22的时候了.它还会提供更好的错误消息,就像您使用默认的TemplateLoader的典型错误一样,它会在错误消息中告诉您.较少浪费开发人员时间. (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |
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