在A电脑上编写了代码,上传了Git,从B电脑上clone之后,报了以下错误。
严重: Allocate exception for servlet springmvc-dispatcher
java.lang.ClassNotFoundException: org.springframework.web.servlet.DispatcherServlet
at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1892)
at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1735)
at org.apache.catalina.core.DefaultInstanceManager.loadClass(DefaultInstanceManager.java:495)
at org.apache.catalina.core.DefaultInstanceManager.loadClassMaybePrivileged(DefaultInstanceManager.java:477)
at org.apache.catalina.core.DefaultInstanceManager.newInstance(DefaultInstanceManager.java:113)
at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1133)
at org.apache.catalina.core.StandardWrapper.allocate(StandardWrapper.java:853)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:135)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:110)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:169)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:962)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:445)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1115)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:637)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:316)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:745)
分析原因:ClasssNotFoundException很明细是这个jar包没有被引用到项目,再次看了下这个springmvc项目,这个jar包还真没被引用
在我项目中,依赖都是通过maven来管理的,我看了下发布配置,竟少了maven的配置
添加maven配置。项目属性->Deployment Assembly->Add->Java buid path entries->Next->Maven Dependencies
Clear!
操作之后,发现tomcat也有jar文件了