项目本地OK，但是部署到服务器上就报错，空指针，看半天没懂，请大神赐教

Question

Nested exception: java.net.MalformedURLException

        at java.net.URL.<init>(URL.java:619)

        at java.net.URL.<init>(URL.java:482)

        at java.net.URL.<init>(URL.java:431)

        at com.sun.org.apache.xerces.internal.impl.XMLEntityManager.setupCurrentEntity(XMLEntityManager.java:610)

        at com.sun.org.apache.xerces.internal.impl.XMLVersionDetector.determineDocVersion(XMLVersionDetector.java:189)

        at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:812)

        at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:777)

        at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:141)

        at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1213)

        at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(SAXParserImpl.java:649)

        at org.dom4j.io.SAXReader.read(SAXReader.java:465)

        at org.dom4j.io.SAXReader.read(SAXReader.java:365)

        at com.xxx.util.VideoAlbumInfoXmlParserUtil.parser(VideoAlbumInfoXmlParserUtil.java:35)

        at com.xxx.xxx.xxxx.video.service.VideoAlbumService.selectByVmsid(VideoAlbumService.java:49)

        at com.cxxx.xxx.xxx.video.action.VideoAlbumAction.SelectByGuid(VideoAlbumAction.java:38)

        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)

        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

        at java.lang.reflect.Method.invoke(Method.java:606)

        at org.springframework.web.method.support.InvocableHandlerMethod.invoke(InvocableHandlerMethod.java:215)

        at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:132)

        at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:104)

        at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:745)

        at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:685)

        at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:80)

        at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:919)

        at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:851)

        at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:953)

        at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:844)

        at javax.servlet.http.HttpServlet.service(HttpServlet.java:624)

        at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:829)

        at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)

        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)

        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)

        at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)

        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)

        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)

        at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)

        at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:106)

        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)

        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)

        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)

        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)

        at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:505)

        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170)

        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)

        at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:957)

        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)

        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:423)

        at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1079)

        at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:620)

        at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:318)

        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:744)

Caused by: java.lang.NullPointerException

        at java.net.URL.<init>(URL.java:524)

        ... 55 more

Answer 1

老哥 怎么解决的