1 .直接改变明星
project xmlns=' http://maven.Apache.org/POM/4.0.0 ' xmlns : xsi=' http://www.w3.org/2001/XML方案ins ttins maven-4.0.0.xsd ' model版本4.0.0/modelversionparentgroupidorder groupidartifactidspring-boot-starter-parararer --- lookupparentfromrepository---/parent2. Tomcat版本
属性Tomcat.version8.5. 51/Tomcat.version/properties！ -添加依赖项- -！ ependencygroupidorg.Apache.Tomcat.embed/groupidartifactidtomcat-embed-core/artifactidversion $ { Tomcat.version } ependencydependencygroupidorg.Apache.Tomcat/groupidartifactidtomcat-juli/artifactidversion $ { Tomcat.version }//从属是spring-boot-starter-web上的tomcatdependencygroupidorg.spring framework.boot/groupidartifactidspring -忽略引导的artifactidexclusionsexclusiongroupidorg.spring framework.boot/groupidartifactidspring-spring
org.Apache.catalina.life cycle exception : failedtostartcomponent [标准引擎[ catalina ] .标准主机[本地主机] atorg.Apache.catalina.core.container base.addchild internal (container base.Java 33601015 )。 atorg.Apache.catalina.core.container base.addchild (container base.Java :991 )。 atorg.Apache.catalina.core.standard host.addchild (standard host.Java :652 )。 atorg.Apache.catalina.startup.host config.deploy war (host config.Java :1127 )。 atorg.Apache.catalina.startup.host config $ deploy war.run (host config.Java 33602020 ) ) )。 at Java.util.concurrent.executors $ runnable adapter.call (executors.Java :511 ) at Java.util.concurrent.future at Java.util.concurrent.thread pool executor $ worker.run (thread pool executor.Java 3360624 ) atJava.lang.Thread.thread . lang.noclassdeffounderror : javax/servlet/genericfilteratjava.lang.class loader.define class1at Java.lang.class loader.define class (class loader.Java :763 ) atorg.Apache.catalina.loader.webappclassloaderbase.findclassinternal (webapclassloaderbase.Java 33603205 )。 atorg.Apache.catalina.loader.webappclassloaderbase.find class (webapclassloaderbase.Java 33601373 ) )。 atorg.Apache.catalina.loader.webappclassloaderbase.load class (webapclassloaderbase.Java 33601861 ) )。 atorg.Apache.catalina.loader.webappclassloaderbase.load class (webapclassloaderbase.Java 33601735 ) )。 atorg.Apache.Tomcat.web socket.server.wsservercontainer.init (wsservercontainer.Java 3360109 )。 atorg.Apache.Tomcat.web socket.server.ws sci.init (ws sci.Java 3360131 ) atorg.Apache.Tomcat.web socket.serin atorg.Apache.catalina.util.life cycle base.start (life cycle base.Java :145 )。 10 morecausedby : Java.lang.classnotfoundexception : javax.servlet.genericfilteratorg.Apache.catalina.loalion 01892 ) atorg.Apache.catalina.loader.webappclassloaderbase.load class ) webappclass )。