org.apache.jasper.JasperException:xxx.jsp File "xxxx" not found

更新代码后遇到JSP页面文件找不到的问题,具体为pathTags.jsp文件缺失导致的错误。通过检查并移除重复引用的界面元素解决了该问题。

今天更新代码以后出现以下的错误:

21-Mar-2015 00:57:40.934 INFO [localhost-startStop-2] org.apache.catalina.core.ApplicationContext.log SessionListener: contextDestroyed()
21-Mar-2015 00:57:40.934 INFO [localhost-startStop-2] org.apache.catalina.core.ApplicationContext.log ContextListener: contextDestroyed()
21-Mar-2015 00:58:05.141 INFO [localhost-startStop-1] org.apache.catalina.core.ApplicationContext.log ContextListener: contextInitialized()
21-Mar-2015 00:58:05.141 INFO [localhost-startStop-1] org.apache.catalina.core.ApplicationContext.log SessionListener: contextInitialized()
21-Mar-2015 01:47:49.372 INFO [localhost-startStop-2] org.apache.catalina.core.ApplicationContext.log SessionListener: contextDestroyed()
21-Mar-2015 01:47:49.372 INFO [localhost-startStop-2] org.apache.catalina.core.ApplicationContext.log ContextListener: contextDestroyed()
21-Mar-2015 02:30:38.757 INFO [localhost-startStop-1] org.apache.catalina.core.ApplicationContext.log No Spring WebApplicationInitializer types detected on classpath
21-Mar-2015 02:30:39.885 INFO [localhost-startStop-1] org.apache.catalina.core.ApplicationContext.log ContextListener: contextInitialized()
21-Mar-2015 02:30:39.885 INFO [localhost-startStop-1] org.apache.catalina.core.ApplicationContext.log SessionListener: contextInitialized()
21-Mar-2015 02:30:47.592 INFO [http-apr-8080-exec-2] org.apache.catalina.core.ApplicationContext.log No Spring WebApplicationInitializer types detected on classpath
21-Mar-2015 02:31:25.414 SEVERE [http-apr-8080-exec-15] org.apache.catalina.core.StandardWrapperValve.invoke Servlet.service() for servlet [jsp] in context with path [/HBFM] threw exception [/pages/column.jsp (line: 8, column: 1) File "pathTags.jsp" not found] with root cause
 org.apache.jasper.JasperException: /pages/column.jsp (line: 8, column: 1) File "pathTags.jsp" not found
    at org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:42)
    at org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:276)
    at org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:92)
    at org.apache.jasper.compiler.Parser.processIncludeDirective(Parser.java:323)
    at org.apache.jasper.compiler.Parser.parseIncludeDirective(Parser.java:358)
    at org.apache.jasper.compiler.Parser.parseDirective(Parser.java:461)
    at org.apache.jasper.compiler.Parser.parseFileDirectives(Parser.java:1781)
    at org.apache.jasper.compiler.Parser.parse(Parser.java:136)
    at org.apache.jasper.compiler.ParserController.doParse(ParserController.java:227)
    at org.apache.jasper.compiler.ParserController.parseDirectives(ParserController.java:117)
    at org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:194)
    at org.apache.jasper.compiler.Compiler.compile(Compiler.java:356)
    at org.apache.jasper.compiler.Compiler.compile(Compiler.java:336)
    at org.apache.jasper.compiler.Compiler.compile(Compiler.java:323)
    at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:564)
    at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:357)
    at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:391)
    at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:335)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:725)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106)
    at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:505)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:142)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)
    at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:610)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:534)
    at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1081)
    at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:658)
    at org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:277)
    at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.doRun(AprEndpoint.java:2381)
    at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:2370)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
    at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
    at java.lang.Thread.run(Thread.java:745)

错误原因:
重复引用界面

解决办法:将注释

div style="width:100%;height:100%;" id="ifr-graph-formContent">
<%--    <%@ include file="/WEB-INF/jsp/oa/attachment/showWpsKingGPreload.jsp" %> --%>
</div>  

感谢您的阅读

### 解决方案 当遇到 `org.apache.jasper.JasperException: java.lang.ClassNotFoundException` 错误时,通常是因为JSP页面未能找到对应的编译后的类文件。此问题可能由多种因素引起。 #### 1. 更新Servlet API依赖版本 Tomcat 10.0及其之后的版本引入了Jakarta EE命名空间的变化,即从`javax.servlet`改为`jakarta.servlet`。如果使用的库仍然是旧版,则可能导致兼容性问题[^2]。因此建议更新项目的构建工具配置文件(如Maven或Gradle),确保所引用的是最新版本的Servlet API: 对于Maven项目,在pom.xml中添加如下依赖项: ```xml <dependency> <groupId>jakarta.platform</groupId> <artifactId>jakarta.jakartaee-web-api</artifactId> <version>9.1.0</version> <scope>provided</scope> </dependency> ``` #### 2. 清理并重新部署Web应用 有时IDE缓存可能会导致此类错误的发生。尝试清理工作目录下的临时文件夹以及服务器上的已部署的应用程序副本,并执行完整的重新构建过程。 #### 3. 检查JSP页面头部声明 确认所有的JSP页面都包含了正确的page指令头信息。缺少这些必要的声明也可能引发类似的异常情况。例如应包含这样的语句来指定字符编码和编程语言: ```jsp <%@ page contentType="text/html;charset=UTF-8" language="java" %> ``` 注意这里不应该被移除,除非有特殊原因[^3]。 #### 4. 验证ClassPath设置 确保所有必需的第三方库已经被正确加载到classpath路径下。特别是那些用于支持特定功能(比如数据库连接池、JSON解析等)所需的额外jar包。 通过以上措施应该能够有效解决`org.apache.jasper.JasperException: java.lang.ClassNotFoundException`的问题。
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