maven WEB项目启动没问题访问页面就报错:org.apache.jasper.JasperException: Unable to compile class for JSP

转：原文点击此处

一、问题描述

eclipse通过maven插件创建一个WEB项目通过内嵌Tomcat加载项目，启动没问题，一访问页面就报错提示无法将jsp编译为class文件:

org.apache.jasper.JasperException: Unable to compile class for JSP: 

An error occurred at line: 1 in the generated java file
The type java.io.ObjectInputStream cannot be resolved. It is indirectly referenced from required .class files

Stacktrace:
org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:92)
org.apache.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:330)
org.apache.jasper.compiler.JDTCompiler.generateClass(JDTCompiler.java:439)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:349)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:327)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:314)
org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:592)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:317)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)

错误的原因为：tomcat6不支持jdk1.8版本

我pom.xml文件里明明配置的是Tomcat7啊!!  怎么是tomcat6运行去了。。。

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"



  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">



  <modelVersion>4.0.0</modelVersion>




  <groupId>com.fendo.sse</groupId>




  <artifactId>com</artifactId>




  <packaging>war</packaging>




  <version>0.0.1-SNAPSHOT</version>




  <name>com Maven Webapp</name>




  <url>http://maven.apache.org</url>




  <dependencies>




    <dependency>




      <groupId>junit</groupId>




      <artifactId>junit</artifactId>




      <version>3.8.1</version>




      <scope>test</scope>




    </dependency>




    



       <!-- 加入ServletAPI -->




		<!-- https://mvnrepository.com/artifact/javax.servlet/javax.servlet-api -->




		<dependency>




			<groupId>javax.servlet</groupId>




			<artifactId>servlet-api</artifactId>




			<version>2.3</version>




			<scope>provided</scope>




		</dependency>




    



  </dependencies>




  <build>




    <finalName>com</finalName>




	<plugins>




	  <plugin>




                <groupId>org.codehaus.mojo</groupId>




                <artifactId>tomcat-maven-plugin</artifactId>




                <version>1.1</version>




                <configuration>




                    <port>8080</port>




                    <uriEncoding>UTF-8</uriEncoding>




                    <url>http://localhost:8080/manager/html</url>




                    <server>tomcat7</server>




                </configuration>




            </plugin>




	</plugins>




  </build>




</project>

注意: 如果你的版本是tomcat7-maven-plugin  2.0 的话，由于它不支持 jdk 1.8，所以把它换成 tomcat7-maven-plugin  2.2就行了。

二、解决方法

找了下发现原来是这里出了问题!!!

把它改为: tomcat7:run 就行了