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By: a guest on Aug 7th, 2012  |  syntax: None  |  size: 1.88 KB  |  hits: 20  |  expires: Never
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  1. servlet file upload
  2. javax.servlet.ServletException: Error instantiating servlet class UploadServlet
  3.     org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
  4.     org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98)
  5.     org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:927)
  6.     org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
  7.     org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1001)
  8.     org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:585)
  9.     org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:312)
  10.     java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
  11.     java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
  12.     java.lang.Thread.run(Unknown Source)
  13.  
  14.  
  15. root cause
  16.  
  17. java.lang.ClassNotFoundException: UploadServlet
  18.     org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1711)
  19.     org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1556)
  20.     org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
  21.     org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98)
  22.     org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:927)
  23.     org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
  24.     org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1001)
  25.     org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:585)
  26.     org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:312)
  27.     java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
  28.     java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
  29.     java.lang.Thread.run(Unknown Source)