解决Jsp运行org.apache.jasper.JasperException: Unable to compile class for JSP:问题

 1 <?xml version="1.0" encoding="UTF-8"?>
 2 
 3 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 4   xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 5   <modelVersion>4.0.0</modelVersion>
 6 
 7   <groupId>com.itheima</groupId>
 8   <artifactId>maven_java</artifactId>
 9   <version>1.0-SNAPSHOT</version>
10   <packaging>war</packaging>
11 
12   <name>maven_java Maven Webapp</name>
13   <!-- FIXME change it to the project‘s website -->
14   <url>http://www.example.com</url>
15 
16   <properties>
17     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
18     <maven.compiler.source>1.7</maven.compiler.source>
19     <maven.compiler.target>1.7</maven.compiler.target>
20   </properties>
21 
22   <dependencies>
23     <dependency>
24       <groupId>junit</groupId>
25       <artifactId>junit</artifactId>
26       <version>4.11</version>
27       <scope>test</scope>
28     </dependency>
29 
30     <dependency>
31       <groupId>javax.servlet</groupId>
32       <artifactId>servlet-api</artifactId>
33       <version>2.5</version>
34       <scope>provided</scope>
35     </dependency>
36 
37     <!-- https://mvnrepository.com/artifact/javax.servlet.jsp/jsp-api -->
38     <dependency>
39       <groupId>javax.servlet.jsp</groupId>
40       <artifactId>jsp-api</artifactId>
41       <version>2.1</version>
42       <scope>provided</scope>
43     </dependency>
44 
45   </dependencies>
46 
47   <build>
48     <finalName>maven_java</finalName>
49     <pluginManagement><!-- lock down plugins versions to avoid using Maven defaults (may be moved to parent pom) -->
50       <plugins>
51         <plugin>
52           <artifactId>maven-clean-plugin</artifactId>
53           <version>3.1.0</version>
54         </plugin>
55         <!-- see http://maven.apache.org/ref/current/maven-core/default-bindings.html#Plugin_bindings_for_war_packaging -->
56         <plugin>
57           <artifactId>maven-resources-plugin</artifactId>
58           <version>3.0.2</version>
59         </plugin>
60         <plugin>
61           <artifactId>maven-compiler-plugin</artifactId>
62           <version>3.8.0</version>
63         </plugin>
64         <plugin>
65           <artifactId>maven-surefire-plugin</artifactId>
66           <version>2.22.1</version>
67         </plugin>
68         <plugin>
69           <artifactId>maven-war-plugin</artifactId>
70           <version>3.2.2</version>
71         </plugin>
72         <plugin>
73           <artifactId>maven-install-plugin</artifactId>
74           <version>2.5.2</version>
75         </plugin>
76         <plugin>
77           <artifactId>maven-deploy-plugin</artifactId>
78           <version>2.8.2</version>
79         </plugin>
80         <plugin>
81           <groupId>org.apache.tomcat.maven</groupId>
82           <artifactId>tomcat7-maven-plugin</artifactId>
83           <version>2.2</version>
84         </plugin>
85       </plugins>
86     </pluginManagement>
87   </build>
88 </project>