启动spring boot服务器时出现以下异常。我看到问题与javax.servlet.jsp包有关。有没有办法强制spring boot为这个包使用特定的jar，按顺序避免这个错误？请帮我摆脱这个。
Exception in thread "main" java.lang.ExceptionInInitializerError
at org.apache.jasper.servlet.JspServlet.init(JspServlet.java:159)
at org.eclipse.jetty.servlet.ServletHolder.initServlet(ServletHolder.java:532)
at org.eclipse.jetty.servlet.ServletHolder.doStart(ServletHolder.java:344)
at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:64)
at org.eclipse.jetty.servlet.ServletHandler.initialize(ServletHandler.java:791)
at org.springframework.boot.context.embedded.jetty.JettyEmbeddedWebAppContext$JettyEmbeddedServletHandler.deferredInitialize(JettyEmbeddedWebAppContext.java:46)
at org.springframework.boot.context.embedded.jetty.JettyEmbeddedWebAppContext.deferredInitialize(JettyEmbeddedWebAppContext.java:36)
at org.springframework.boot.context.embedded.jetty.JettyEmbeddedServletContainer.handleDeferredInitialize(JettyEmbeddedServletContainer.java:120)
at org.springframework.boot.context.embedded.jetty.JettyEmbeddedServletContainer.start(JettyEmbeddedServletContainer.java:104)
at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.startEmbeddedServletContainer(EmbeddedWebApplicationContext.java:272)
at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.finishRefresh(EmbeddedWebApplicationContext.java:132)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:485)
at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.refresh(EmbeddedWebApplicationContext.java:109)
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:691)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:320)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:952)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:941)
at org.magnum.mobilecloud.video.Application.main(Application.java:43)
Caused by: java.lang.SecurityException: class
"javax.servlet.jsp.JspApplicationContext"'s signer information does not match signer information of other classes in the same package
at java.lang.ClassLoader.checkCerts(ClassLoader.java:952)
at java.lang.ClassLoader.preDefineClass(ClassLoader.java:666)
at java.lang.ClassLoader.defineClass(ClassLoader.java:794)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:449)
at java.net.URLClassLoader.access$100(URLClassLoader.java:71)
at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
at org.apache.jasper.compiler.JspRuntimeContext.(JspRuntimeContext.java:123) ... 18 more
请在下面找到我的pom.xml：
<?xml version="1.0" encoding="UTF-8"?>
<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/xsd/maven- 4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.example</groupId>
<artifactId>myproject</artifactId>
<version>0.0.1-SNAPSHOT</version>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>1.1.6.RELEASE</version>
</parent>
<!-- Additional lines to be added here... -->
<distributionManagement>
<repository>
<id>libs-releases</id>
<url>http://nexus.ab11.com/nexus/content/repositories/releases/</url>
</repository>
<snapshotRepository>
<uniqueVersion>false</uniqueVersion>
<id>libs-snapshots</id>
<url>http://nexus.ab11.com/nexus/content/repositories/snapshots/</url>
</snapshotRepository>
</distributionManagement>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-eclipse-plugin</artifactId>
<configuration>
<useProjectReferences>false</useProjectReferences>
<additionalConfig>
<file>
<name>.settings/org.eclipse.jdt.ui.prefs</name>
<location>${main.basedir}/eclipse/org.eclipse.jdt.ui.prefs</location>
</file>
<file>
<name>.settings/org.eclipse.jdt.core.prefs</name>
<location>${main.basedir}/eclipse/org.eclipse.jdt.core.prefs</location>
</file>
</additionalConfig>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<configuration>
<includes>
<include>**/*Tests.java</include>
</includes>
<excludes>
<exclude>**/Abstract*.java</exclude>
</excludes>
<systemPropertyVariables>
<java.security.egd>file:/dev/./urandom</java.security.egd>
<java.awt.headless>true</java.awt.headless>
</systemPropertyVariables>
</configuration>
</plugin>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<version>2.3.2</version>
</plugin>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
<!-- <plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-enforcer-plugin</artifactId>
<version>1.3.1</version>
<executions>
<execution>
<id>enforce</id>
<configuration>
<rules>
<DependencyConvergence/>
</rules>
</configuration>
<goals>
<goal>enforce</goal>
</goals>
</execution>
</executions>
</plugin> -->
</plugins>
</build>
<dependencies>
<!-- <dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>3.1.0</version> </dependency> -->
<dependency>
<groupId>com.google.guava</groupId>
<artifactId>guava</artifactId>
<version>14.0</version>
</dependency>
<dependency>
<groupId>com.ab11.cslt</groupId>
<artifactId>CSLT-Ranjith</artifactId>
<version>1.0.4-SNAPSHOT</version>
<classifier>tests</classifier>
<exclusions>
<exclusion>
<artifactId>servlet-api</artifactId>
<groupId>com.c2s2.external</groupId>
</exclusion>
<!-- <exclusion>
<artifactId>servlet-api-2.5</artifactId>
<groupId>org.mortbay.jetty</groupId>
</exclusion> -->
<exclusion>
<artifactId>selenium-server</artifactId>
<groupId>org.seleniumhq.selenium</groupId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>com.ab11.cslt</groupId>
<artifactId>CSLT-Ranjith</artifactId>
<version>1.0.4-SNAPSHOT</version>
<exclusions>
<exclusion>
<artifactId>servlet-api</artifactId>
<groupId>com.c2s2.external</groupId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>com.squareup.retrofit</groupId>
<artifactId>retrofit</artifactId>
<version>1.6.0</version>
</dependency>
<!-- tag::jetty[] -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
<exclusions>
<exclusion>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-tomcat</artifactId>
</exclusion>
<exclusion>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-logging</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-log4j</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-jetty</artifactId>
<exclusions>
<exclusion>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-logging</artifactId>
</exclusion>
</exclusions>
</dependency>
<!-- end::jetty[] -->
<!-- tag::actuator[] -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-actuator</artifactId>
</dependency>
<!-- end::actuator[] -->
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-validator</artifactId>
</dependency>
</dependencies>
<!-- (you don't need this if you are using a .RELEASE version) -->
<repositories>
<repository>
<id>spring-snapshots</id>
<url>http://repo.spring.io/snapshot</url>
<snapshots>
<enabled>true</enabled>
</snapshots>
</repository>
<repository>
<id>spring-milestones</id>
<url>http://repo.spring.io/milestone</url>
</repository>
<repository>
<id>spring-release</id>
<url>http://maven.springframework.org/release</url>
</repository>
<repository>
<id>libs-snapshots</id>
<url>http://nexus.ab11.com/nexus/content/repositories/snapshots/</url>
</repository>
<repository>
<id>libs-releases</id>
<url>http://nexus.ab11.com/nexus/content/repositories/releases/</url>
</repository>
<repository>
<id>nexus-public</id>
<url>http://nexus.ab11.com/nexus/content/groups/public-all/</url>
</repository>
<repository>
<id>jboss-public</id>
<url>https://repository.jboss.org/nexus/content/groups/public</url>
</repository>
</repositories>
<pluginRepositories>
<pluginRepository>
<id>spring-snapshots</id>
<url>http://repo.spring.io/snapshot</url>
</pluginRepository>
<pluginRepository>
<id>spring-milestones</id>
<url>http://repo.spring.io/milestone</url>
</pluginRepository>
</pluginRepositories>
</project>
另请在下面的依赖树中找到servlet jar。
mvn dependency:tree |grep servlet
^@[INFO] | | \-
org.eclipse.jetty:jetty-servlet:jar:8.1.15.v20140411:compile [INFO] |
| +-
org.eclipse.jetty.orbit:javax.servlet:jar:3.0.0.v201112011016:compile
[INFO] | +-
org.eclipse.jetty.orbit:javax.servlet.jsp:jar:2.2.0.v201112011158:compile
[INFO] | +-
org.eclipse.jetty.orbit:javax.servlet.jsp.jstl:jar:1.2.0.v201105211821:compile