关于Tomcat运行jsp程序出现的错误

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#Tomacat运行jsp出现错误

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在启动Tomcat并尝试运行jsp程序时遇到ClassNotFoundException，详细日志显示在加载servlet HelloWorld时出现问题，错误源于servlet-class配置的路径不正确。解决方法是检查并修正servlet配置文件中的类路径。

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我之前启动Tomcat出现以下情况
一月 22, 2019 8:40:16 下午 org.apache.catalina.core.AprLifecycleListener init
信息: Loaded APR based Apache Tomcat Native library 1.1.34 using APR version 1.5.1.
一月 22, 2019 8:40:16 下午 org.apache.catalina.core.AprLifecycleListener init
信息: APR capabilities: IPv6 [true], sendfile [true], accept filters [false], random [true].
一月 22, 2019 8:40:17 下午 org.apache.catalina.core.AprLifecycleListener initializeSSL
信息: OpenSSL successfully initialized with version OpenSSL 1.0.1q 3 Dec 2015
一月 22, 2019 8:40:17 下午 org.apache.coyote.http11.Http11AprProtocol init
信息: Initializing Coyote HTTP/1.1 on http-8080
一月 22, 2019 8:40:17 下午 org.apache.coyote.ajp.AjpAprProtocol init
信息: Initializing Coyote AJP/1.3 on ajp-8009
一月 22, 2019 8:40:17 下午 org.apache.catalina.startup.Catalina load
信息: Initialization processed in 1374 ms
一月 22, 2019 8:40:17 下午 org.apache.catalina.core.StandardService start
信息: Starting service Catalina
一月 22, 2019 8:40:17 下午 org.apache.catalina.core.StandardEngine start
信息: Starting Servlet Engine: Apache Tomcat/6.0.45
一月 22, 2019 8:40:18 下午 org.apache.catalina.startup.HostConfig deployDescriptor
信息: Deploying configuration descriptor host-manager.xml
一月 22, 2019 8:40:18 下午 org.apache.catalina.startup.HostConfig deployDescriptor
信息: Deploying configuration descriptor manager.xml
一月 22, 2019 8:40:18 下午 org.apache.catalina.startup.HostConfig deployDirectory
信息: Deploying web application directory docs
一月 22, 2019 8:40:18 下午 org.apache.catalina.startup.HostConfig deployDirectory
信息: Deploying web application directory examples
一月 22, 2019 8:40:18 下午 org.apache.catalina.core.ApplicationContext log
信息: ContextListener: contextInitialized()
一月 22, 2019 8:40:18 下午 org.apache.catalina.core.ApplicationContext log
信息: SessionListener: contextInitialized()
一月 22, 2019 8:40:18 下午 org.apache.catalina.startup.HostConfig deployDirectory
信息: Deploying web application directory ROOT
一月 22, 2019 8:40:18 下午 org.apache.coyote.http11.Http11AprProtocol start
信息: Starting Coyote HTTP/1.1 on http-8080
一月 22, 2019 8:40:18 下午 org.apache.coyote.ajp.AjpAprProtocol start
信息: Starting Coyote AJP/1.3 on ajp-8009
一月 22, 2019 8:40:18 下午 org.apache.catalina.startup.Catalina start
信息: Server startup in 926 ms

然后运行jsp程序myeclipse出现该情况：
一月 22, 2019 8:39:02 下午 org.apache.catalina.core.AprLifecycleListener init
信息: Loaded APR based Apache Tomcat Native library 1.1.34 using APR version 1.5.1.
一月 22, 2019 8:39:02 下午 org.apache.catalina.core.AprLifecycleListener init
信息: APR capabilities: IPv6 [true], sendfile [true], accept filters [false], random [true].
一月 22, 2019 8:39:02 下午 org.apache.catalina.core.AprLifecycleListener initializeSSL
信息: OpenSSL successfully initialized with version OpenSSL 1.0.1q 3 Dec 2015
一月 22, 2019 8:39:03 下午 org.apache.coyote.http11.Http11AprProtocol init
信息: Initializing Coyote HTTP/1.1 on http-8080
一月 22, 2019 8:39:03 下午 org.apache.coyote.ajp.AjpAprProtocol init
信息: Initializing Coyote AJP/1.3 on ajp-8009
一月 22, 2019 8:39:03 下午 org.apache.catalina.startup.Catalina load
信息: Initialization processed in 1393 ms
一月 22, 2019 8:39:03 下午 org.apache.catalina.core.StandardService start
信息: Starting service Catalina
一月 22, 2019 8:39:03 下午 org.apache.catalina.core.StandardEngine start
信息: Starting Servlet Engine: Apache Tomcat/6.0.45
一月 22, 2019 8:39:03 下午 org.apache.catalina.startup.HostConfig deployDescriptor
信息: Deploying configuration descriptor host-manager.xml
一月 22, 2019 8:39:03 下午 org.apache.catalina.startup.HostConfig deployDescriptor
信息: Deploying configuration descriptor manager.xml
一月 22, 2019 8:39:03 下午 org.apache.catalina.startup.HostConfig deployDirectory
信息: Deploying web application directory docs
一月 22, 2019 8:39:03 下午 org.apache.catalina.startup.HostConfig deployDirectory
信息: Deploying web application directory examples
一月 22, 2019 8:39:03 下午 org.apache.catalina.core.ApplicationContext log
信息: ContextListener: contextInitialized()
一月 22, 2019 8:39:03 下午 org.apache.catalina.core.ApplicationContext log
信息: SessionListener: contextInitialized()
一月 22, 2019 8:39:03 下午 org.apache.catalina.startup.HostConfig deployDirectory
信息: Deploying web application directory ROOT
一月 22, 2019 8:39:04 下午 org.apache.coyote.http11.Http11AprProtocol start
信息: Starting Coyote HTTP/1.1 on http-8080
一月 22, 2019 8:39:04 下午 org.apache.coyote.ajp.AjpAprProtocol start
信息: Starting Coyote AJP/1.3 on ajp-8009
一月 22, 2019 8:39:04 下午 org.apache.catalina.startup.Catalina start
信息: Server startup in 1031 ms
一月 22, 2019 8:39:08 下午 org.apache.catalina.core.ApplicationContext log
信息: Marking servlet HelloWorld as unavailable
一月 22, 2019 8:39:08 下午 org.apache.catalina.core.ApplicationContext log
严重: Error loading WebappClassLoader
context: /text
delegate: false
repositories:
/WEB-INF/classes/
----------> Parent Classloader:
org.apache.catalina.loader.StandardClassLoader@2349d226
serverlet.HelloWorldSeverlet
java.lang.ClassNotFoundException: serverlet.HelloWorldSeverlet
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1680)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1526)
at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1128)
at org.apache.catalina.core.StandardWrapper.allocate(StandardWrapper.java:827)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:129)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
at org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:879)
at org.apache.coyote.http11.Http11AprProtocol $H t t p 11 C o n n e c t i o n H a n d l e r . p r o c e s s (H t t p 11 A p r P r o t o c o l . j a v a : 610) a t o r g . a p a c h e . t o m c a t . u t i l . n e t . A p r E n d p o i n t$ Worker.run(AprEndpoint.java:1777)
at java.lang.Thread.run(Thread.java:744)
一月 22, 2019 8:39:08 下午 org.apache.catalina.core.StandardWrapperValve invoke
严重: Allocate exception for servlet HelloWorld
java.lang.ClassNotFoundException: serverlet.HelloWorldSeverlet
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1680)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1526)
at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1128)
at org.apache.catalina.core.StandardWrapper.allocate(StandardWrapper.java:827)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:129)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
at org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:879)
at org.apache.coyote.http11.Http11AprProtocol $H t t p 11 C o n n e c t i o n H a n d l e r . p r o c e s s (H t t p 11 A p r P r o t o c o l . j a v a : 610) a t o r g . a p a c h e . t o m c a t . u t i l . n e t . A p r E n d p o i n t$ Worker.run(AprEndpoint.java:1777)
at java.lang.Thread.run(Thread.java:744)