freemarker 配置异常

阳光穿透心脏的1/2处 2022-05-31 04:24 166阅读 0赞

异常：

二月 07, 2018 10:00:23 上午 org.apache.catalina.core.StandardWrapperValve invoke
    严重: Servlet.service() for servlet [springMVC] in context with path [/h501] threw exception [Handler processing failed; nested exception is java.lang.IllegalAccessError: tried to access class freemarker.ext.servlet.AllHttpScopesHashModel from class org.springframework.web.servlet.view.freemarker.FreeMarkerView] with root cause
    java.lang.IllegalAccessError: tried to access class freemarker.ext.servlet.AllHttpScopesHashModel from class org.springframework.web.servlet.view.freemarker.FreeMarkerView
    	at org.springframework.web.servlet.view.freemarker.FreeMarkerView.buildTemplateModel(FreeMarkerView.java:296)
    	at org.springframework.web.servlet.view.freemarker.FreeMarkerView.doRender(FreeMarkerView.java:277)
    	at org.springframework.web.servlet.view.freemarker.FreeMarkerView.renderMergedTemplateModel(FreeMarkerView.java:234)
    	at org.springframework.web.servlet.view.AbstractTemplateView.renderMergedOutputModel(AbstractTemplateView.java:167)
    	at org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:303)
    	at org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1244)
    	at org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:1027)
    	at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:971)
    	at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:893)
    	at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:967)
    	at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:858)
    	at javax.servlet.http.HttpServlet.service(HttpServlet.java:622)
    	at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:843)
    	at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
    	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:292)
    	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
    	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
    	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)
    	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
    	at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:85)
    	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
    	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)
    	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
    	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:212)
    	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106)
    	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:141)
    	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)
    	at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:616)
    	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88)
    	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:522)
    	at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1095)
    	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:672)
    	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1502)
    	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1458)
    	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
    	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
    	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
    	at java.lang.Thread.run(Thread.java:748)

原因：

引入的freemarker.jar的版本问题，之前引用的是freemarker2.3.2，

可能是发布程序里存在多个版本的freemarker，检查一下你的项目发布路径的lib里是否有多个或者还是老的freemarker的jar，如果是想办法删除掉，引用新的freemarker包，并确认发布后在发布的lib目录里是最新的jar。问题解决

这种问题应该是多出在maven项目中。

<dependency>
            <groupId>org.freemarker</groupId>
            <artifactId>freemarker</artifactId>
            <version>2.3.20</version>
     </dependency>