在跑一个网上的java调天气的接口报错?报错

ervlet.service() for servlet [action] in context with path [/WeatherAIp] threw exception [Servlet execution threw an exception] with root cause java.lang.Error: Unresolved compilation problems: The type javax.servlet.http.HttpServletRequest cannot be resolved. It is indirectly referenced from required .class files The type javax.servlet.http.HttpServletResponse cannot be resolved. It is indirectly referenced from required .class files The type javax.servlet.ServletResponse cannot be resolved. It is indirectly referenced from required .class files The type javax.servlet.ServletRequest cannot be resolved. It is indirectly referenced from required .class files The import javax.servlet.http.HttpServletRequest cannot be resolved The import javax.servlet.http.HttpServletResponse cannot be resolved HttpServletRequest cannot be resolved to a type HttpServletResponse cannot be resolved to a type HttpServletRequest cannot be resolved to a type HttpServletResponse cannot be resolved to a type HttpServletRequest cannot be resolved to a type HttpServletResponse cannot be resolved to a type

at com.shd.struts1.action.ObtainIpAction.<init>(ObtainIpAction.java:1)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
at java.lang.reflect.Constructor.newInstance(Unknown Source)
at java.lang.Class.newInstance0(Unknown Source)
at java.lang.Class.newInstance(Unknown Source)
at org.apache.struts.chain.commands.util.ClassUtils.getApplicationInstance(ClassUtils.java:71)
at org.apache.struts.chain.commands.servlet.CreateAction.createAction(CreateAction.java:98)
at org.apache.struts.chain.commands.servlet.CreateAction.getAction(CreateAction.java:68)
at org.apache.struts.chain.commands.AbstractCreateAction.execute(AbstractCreateAction.java:90)
at org.apache.struts.chain.commands.ActionCommandBase.execute(ActionCommandBase.java:51)
at org.apache.commons.chain.impl.ChainBase.execute(ChainBase.java:190)
at org.apache.commons.chain.generic.LookupCommand.execute(LookupCommand.java:304)
at org.apache.commons.chain.impl.ChainBase.execute(ChainBase.java:190)
at org.apache.struts.chain.ComposableRequestProcessor.process(ComposableRequestProcessor.java:283)
at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913)
at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:449)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
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:222)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:936)
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:1004)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:312)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)</pre>