SpringBoot整合web时报错Caused by: java.lang.ClassNotFoundException: javax.servlet.Filter
2018-01-22 11:02
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在Idea中使用SpringBoot来整合Web启动时出现如下错误：
java.lang.NoClassDefFoundError: javax/servlet/Filter
at java.lang.ClassLoader.defineClass1(Native Method) ~[na:1.8.0_101]
at java.lang.ClassLoader.defineClass(ClassLoader.java:763) ~[na:1.8.0_101]
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) ~[na:1.8.0_101]
at java.net.URLClassLoader.defineClass(URLClassLoader.java:467) ~[na:1.8.0_101]
at java.net.URLClassLoader.access$100(URLClassLoader.java:73) ~[na:1.8.0_101]
at java.net.URLClassLoader$1.run(URLClassLoader.java:368) ~[na:1.8.0_101]
at java.net.URLClassLoader$1.run(URLClassLoader.java:362) ~[na:1.8.0_101]
at java.security.AccessController.doPrivileged(Native Method) ~[na:1.8.0_101]
at java.net.URLClassLoader.findClass(URLClassLoader.java:361) ~[na:1.8.0_101]
at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[na:1.8.0_101]
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331) ~[na:1.8.0_101]
at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[na:1.8.0_101]
at java.lang.ClassLoader.defineClass1(Native Method) ~[na:1.8.0_101]
at java.lang.ClassLoader.defineClass(ClassLoader.java:763) ~[na:1.8.0_101]
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) ~[na:1.8.0_101]
at java.net.URLClassLoader.defineClass(URLClassLoader.java:467) ~[na:1.8.0_101]
at java.net.URLClassLoader.access$100(URLClassLoader.java:73) ~[na:1.8.0_101]
at java.net.URLClassLoader$1.run(URLClassLoader.java:368) ~[na:1.8.0_101]
at java.net.URLClassLoader$1.run(URLClassLoader.java:362) ~[na:1.8.0_101]
at java.security.AccessController.doPrivileged(Native Method) ~[na:1.8.0_101]
at java.net.URLClassLoader.findClass(URLClassLoader.java:361) ~[na:1.8.0_101]
解决方法：去掉scope依赖部署
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-tomcat</artifactId>
<!--<scope>provided</scope>-->
</dependency>关于Maven中dependency -->scope-->provided的作用详见：http://blog.csdn.net/qq_36135928/article/details/79126590我在这
java.lang.NoClassDefFoundError: javax/servlet/Filter
at java.lang.ClassLoader.defineClass1(Native Method) ~[na:1.8.0_101]
at java.lang.ClassLoader.defineClass(ClassLoader.java:763) ~[na:1.8.0_101]
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) ~[na:1.8.0_101]
at java.net.URLClassLoader.defineClass(URLClassLoader.java:467) ~[na:1.8.0_101]
at java.net.URLClassLoader.access$100(URLClassLoader.java:73) ~[na:1.8.0_101]
at java.net.URLClassLoader$1.run(URLClassLoader.java:368) ~[na:1.8.0_101]
at java.net.URLClassLoader$1.run(URLClassLoader.java:362) ~[na:1.8.0_101]
at java.security.AccessController.doPrivileged(Native Method) ~[na:1.8.0_101]
at java.net.URLClassLoader.findClass(URLClassLoader.java:361) ~[na:1.8.0_101]
at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[na:1.8.0_101]
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331) ~[na:1.8.0_101]
at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[na:1.8.0_101]
at java.lang.ClassLoader.defineClass1(Native Method) ~[na:1.8.0_101]
at java.lang.ClassLoader.defineClass(ClassLoader.java:763) ~[na:1.8.0_101]
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) ~[na:1.8.0_101]
at java.net.URLClassLoader.defineClass(URLClassLoader.java:467) ~[na:1.8.0_101]
at java.net.URLClassLoader.access$100(URLClassLoader.java:73) ~[na:1.8.0_101]
at java.net.URLClassLoader$1.run(URLClassLoader.java:368) ~[na:1.8.0_101]
at java.net.URLClassLoader$1.run(URLClassLoader.java:362) ~[na:1.8.0_101]
at java.security.AccessController.doPrivileged(Native Method) ~[na:1.8.0_101]
at java.net.URLClassLoader.findClass(URLClassLoader.java:361) ~[na:1.8.0_101]
解决方法：去掉scope依赖部署
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-tomcat</artifactId>
<!--<scope>provided</scope>-->
</dependency>关于Maven中dependency -->scope-->provided的作用详见：http://blog.csdn.net/qq_36135928/article/details/79126590我在这
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