类未找到异常-Eclipse

我有2个eclipse项目A和B. A是一个web项目。我试图从项目AI的控制器调用项目B中的类添加了jar的proj B构建路径项目A. 项目是编译错误free.But我得到如下的运行时异常：类未找到异常-Eclipse

SEVERE: Servlet.service() for servlet [com.tcs.ibm.Controller] in context with path [/TextAnalytics] threw exception [Servlet execution threw an exception] with root cause 
java.lang.ClassNotFoundException: com.tcs.ibm.Hello 
    at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1688) 
    at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1533) 
    at com.tcs.ibm.Controller.doPost(Controller.java:45) 
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:641) 
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:722) 
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305) 
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) 
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:224) 
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:169) 
    at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472) 
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168) 
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98) 
    at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:928) 
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118) 
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407) 
    at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:987) 
    at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:539) 
    at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:300) 
    at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) 
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) 
    at java.lang.Thread.run(Thread.java:662) 
input is fff

来源

2012-08-02 Priya

您是否将项目B jar放在/ WEB-INF/lib下？ – Patton 2012-08-02 13:03:16

看来类com.tcs.ibm.Hello是不存在classpath作为解决由@Patton把它上面包含你的jar文件在WEB-INF/lib中重新安装并重新启动服务器。

来源

2012-08-02 13:04:40 amicngh

类未找到异常-Eclipse

回答

相关问题