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