Javax.servlet.ServletException: Error instantiating servlet cla3s cn.itcast.servlet.FoodTypeServlet
Org.apache.catalina.valves.ErrorReportvalve.invoke ErrorReportValve.java: 103)
Org.apache.catalina.valves.AccessLogalve.invoke-AccessLogalve.java: 962)
Org.apache.catalina.connector.cyteldapter.servic CoyoteAdapter.java: 445)
Org.apache.coyote.http11.bstractHttp11rocesor.proce8s AbstractHttp11Erocessor.java: 1115)
Org.apache.coyote.AbstractrotocolbstractconnectionHandler.proces AbstractErotocol.java: 637
Org.apache.tomcat.util.net.AprEndpintr socketrocessor.douprEndpint.java: 2555)
Org.apache.tomcat.util.net.AprEndpointssocketrocesor.run(AprEndpoint.java:2544
Java.util.concurrent.ThreadooEecutorNorker.runTask-ThreadooEecutor.java: 895)
Java.util.concurrent.ThreadFoolExecutorSWorker.runn ThreadoolExecutor.java: 918)
Org.apache.tomcat.util.thread.askThreadNrappingRunnable.run TaskThread.java: 61)
Java.lang.Thread.runa Thread.java: 662)
Cause
Java.lang.ExceptionInInitializerError
CN. Itcast.servlet.FoodTypeServlet. < init > FoodTypeServlet.java: 38)
Sun.reflect.NativeConstructoracceasorImpl.newInstance Native method
Sun.reflect.NativeConstructorccessormpl.newInatance NativeConstructor AccessorImpl.java: 39)
Sun.reflect.DelegatingConstructorccessormpl.newInstance Delegating Constructor nccessorImp.java: 27
Java.lang.reflect.contructor.newInstance Constructor.java: 513)
Org.apache.catalina.valves.ErrorReportalve.invoke ErrorReportValve.java: 103)
Org.apache.catalina.valves.accesLogalve.invoke access LogValve.java: 962)
Org.apache.catalina.connector.coyoteadapter.service CoyoteAdapter.java: 445)
Org.apache.coyote.http11.bstractHttp11rocessor.proces AbstractHttp11Erocessor.java: 1115)
Org.apache.coyote.AbstratrotocbstractConnectionHandlr.proce3s AbstractProtocol.java: 637)
Org.apache.tomcat.util.net.AprEndpointsocketProcesso.doRunn prEndpoint.java: 2555)
Org.apache.tomcat.util.net.prEndpointsocketroceasor.run(prEndpoint.java:2544
Java.util.concurrent.ThreadPoolecutororker.runTaskTreadPoolecutor.java: 89)