java.lang.IllegalStateException: getOutputStream() has already been called for this response

我就是我 2022-05-12 16:22 665阅读 0赞

json转义 的时候出现问题

现象

  1. org.springframework.http.converter.HttpMessageNotWritableException: Could not write JSON: Object is null (through reference chain: cn.sky999.api.ResultMap["content"]->net.sf.json.JSONArray[1]->net.sf.json.JSONObject["deptAddress"]->net.sf.json.JSONNull["empty"]); nested exception is org.codehaus.jackson.map.JsonMappingException: Object is null (through reference chain: cn.sky999.api.ResultMap["content"]->net.sf.json.JSONArray[1]->net.sf.json.JSONObject["deptAddress"]->net.sf.json.JSONNull["empty"])
  2.     at org.springframework.http.converter.json.MappingJacksonHttpMessageConverter.writeInternal(MappingJacksonHttpMessageConverter.java:194)
  3.     at org.springframework.http.converter.AbstractHttpMessageConverter.write(AbstractHttpMessageConverter.java:179)
  4.     at org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter$ServletHandlerMethodInvoker.writeWithMessageConverters(AnnotationMethodHandlerAdapter.java:1037)
  5.     at org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter$ServletHandlerMethodInvoker.handleResponseBody(AnnotationMethodHandlerAdapter.java:995)
  6.     at org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter$ServletHandlerMethodInvoker.getModelAndView(AnnotationMethodHandlerAdapter.java:944)
  7.     at org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.invokeHandlerMethod(AnnotationMethodHandlerAdapter.java:441)
  8.     at org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.handle(AnnotationMethodHandlerAdapter.java:428)
  9.     at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:925)
  10.     at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:856)
  11.     at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:920)
  12.     at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:816)
  13.     at javax.servlet.http.HttpServlet.service(HttpServlet.java:620)
  14.     at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:801)
  15.     at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
  16.     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
  17.     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
  18.     at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
  19.     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
  20.     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
  21.     at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99)
  22.     at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
  23.     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
  24.     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
  25.     at org.springframework.orm.hibernate4.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:152)
  26.     at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
  27.     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
  28.     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
  29.     at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
  30.     at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
  31.     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
  32.     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
  33.     at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
  34.     at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
  35.     at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:503)
  36.     at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170)
  37.     at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
  38.     at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950)
  39.     at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
  40.     at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:421)
  41.     at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1070)
  42.     at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:611)
  43.     at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:314)
  44.     at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
  45.     at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
  46.     at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
  47.     at java.lang.Thread.run(Thread.java:722)
  48. Caused by: org.codehaus.jackson.map.JsonMappingException: Object is null (through reference chain: cn.sky999.api.ResultMap["content"]->net.sf.json.JSONArray[1]->net.sf.json.JSONObject["deptAddress"]->net.sf.json.JSONNull["empty"])
  49.     at org.codehaus.jackson.map.JsonMappingException.wrapWithPath(JsonMappingException.java:218)
  50.     at org.codehaus.jackson.map.JsonMappingException.wrapWithPath(JsonMappingException.java:183)
  51.     at org.codehaus.jackson.map.ser.SerializerBase.wrapAndThrow(SerializerBase.java:131)
  52.     at org.codehaus.jackson.map.ser.BeanSerializer.serializeFields(BeanSerializer.java:183)
  53.     at org.codehaus.jackson.map.ser.BeanSerializer.serialize(BeanSerializer.java:142)
  54.     at org.codehaus.jackson.map.ser.MapSerializer.serializeFields(MapSerializer.java:287)
  55.     at org.codehaus.jackson.map.ser.MapSerializer.serialize(MapSerializer.java:212)
  56.     at org.codehaus.jackson.map.ser.MapSerializer.serialize(MapSerializer.java:23)
  57.     at org.codehaus.jackson.map.ser.ContainerSerializers$CollectionSerializer.serializeContents(ContainerSerializers.java:442)
  58.     at org.codehaus.jackson.map.ser.ContainerSerializers$CollectionSerializer.serializeContents(ContainerSerializers.java:383)
  59.     at org.codehaus.jackson.map.ser.ContainerSerializers$AsArraySerializer.serialize(ContainerSerializers.java:142)
  60.     at org.codehaus.jackson.map.ser.MapSerializer.serializeFields(MapSerializer.java:287)
  61.     at org.codehaus.jackson.map.ser.MapSerializer.serialize(MapSerializer.java:212)
  62.     at org.codehaus.jackson.map.ser.MapSerializer.serialize(MapSerializer.java:23)
  63.     at org.codehaus.jackson.map.ser.StdSerializerProvider._serializeValue(StdSerializerProvider.java:600)
  64.     at org.codehaus.jackson.map.ser.StdSerializerProvider.serializeValue(StdSerializerProvider.java:280)
  65.     at org.codehaus.jackson.map.ObjectMapper.writeValue(ObjectMapper.java:1345)
  66.     at org.springframework.http.converter.json.MappingJacksonHttpMessageConverter.writeInternal(MappingJacksonHttpMessageConverter.java:191)
  67.     ... 45 more
  68. Caused by: net.sf.json.JSONException: Object is null
  69.     at net.sf.json.JSONNull.isEmpty(JSONNull.java:69)
  70.     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  71.     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
  72.     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  73.     at java.lang.reflect.Method.invoke(Method.java:601)
  74.     at org.codehaus.jackson.map.ser.BeanPropertyWriter.get(BeanPropertyWriter.java:467)
  75.     at org.codehaus.jackson.map.ser.BeanPropertyWriter.serializeAsField(BeanPropertyWriter.java:402)
  76.     at org.codehaus.jackson.map.ser.BeanSerializer.serializeFields(BeanSerializer.java:175)
  77.     ... 59 more
  78. 十月 24, 2018 10:28:16 上午 org.apache.catalina.core.ApplicationDispatcher invoke
  79. SEVERE: Servlet.service() for servlet jsp threw exception
  80. java.lang.IllegalStateException: getOutputStream() has already been called for this response
  81.     at org.apache.catalina.connector.Response.getWriter(Response.java:678)
  82.     at org.apache.catalina.connector.ResponseFacade.getWriter(ResponseFacade.java:213)
  83.     at org.apache.jasper.runtime.JspWriterImpl.initOut(JspWriterImpl.java:125)
  84.     at org.apache.jasper.runtime.JspWriterImpl.flushBuffer(JspWriterImpl.java:118)
  85.     at org.apache.jasper.runtime.PageContextImpl.release(PageContextImpl.java:194)
  86.     at org.apache.jasper.runtime.JspFactoryImpl.internalReleasePageContext(JspFactoryImpl.java:126)
  87.     at org.apache.jasper.runtime.JspFactoryImpl.releasePageContext(JspFactoryImpl.java:80)
  88.     at org.apache.jsp.error_jsp._jspService(error_jsp.java:80)
  89.     at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
  90.     at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
  91.     at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:432)
  92.     at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:395)
  93.     at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:339)
  94.     at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
  95.     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
  96.     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
  97.     at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
  98.     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
  99.     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
  100.     at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:748)
  101.     at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:486)
  102.     at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:411)
  103.     at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:338)
  104.     at org.springframework.web.servlet.view.InternalResourceView.renderMergedOutputModel(InternalResourceView.java:238)
  105.     at org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:264)
  106.     at org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1208)
  107.     at org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:992)
  108.     at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:939)
  109.     at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:856)
  110.     at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:920)
  111.     at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:816)
  112.     at javax.servlet.http.HttpServlet.service(HttpServlet.java:620)
  113.     at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:801)
  114.     at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
  115.     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
  116.     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
  117.     at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
  118.     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
  119.     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
  120.     at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99)
  121.     at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
  122.     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
  123.     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
  124.     at org.springframework.orm.hibernate4.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:152)
  125.     at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
  126.     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
  127.     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
  128.     at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
  129.     at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
  130.     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
  131.     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
  132.     at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
  133.     at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
  134.     at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:503)
  135.     at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170)
  136.     at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
  137.     at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950)
  138.     at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
  139.     at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:421)
  140.     at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1070)
  141.     at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:611)
  142.     at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:314)
  143.     at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
  144.     at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
  145.     at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
  146.     at java.lang.Thread.run(Thread.java:722)
  148. [DEBUG][2018-10-24 10:28:16,622][cn.sky999.powerweb.security.SecurityHandlerInterceptor]【结束访问】:/xmyy/api/getItemByItemId.do 【耗时】:53s
  149. 十月 24, 2018 10:28:16 上午 org.apache.catalina.core.StandardWrapperValve invoke
  150. SEVERE: Servlet.service() for servlet [springMvc] in context with path [/xmyy] threw exception [java.lang.IllegalStateException: getOutputStream() has already been called for this response] with root cause
  151. java.lang.IllegalStateException: getOutputStream() has already been called for this response
  152.     at org.apache.catalina.connector.Response.getWriter(Response.java:678)
  153.     at org.apache.catalina.connector.ResponseFacade.getWriter(ResponseFacade.java:213)
  154.     at org.apache.jasper.runtime.JspWriterImpl.initOut(JspWriterImpl.java:125)
  155.     at org.apache.jasper.runtime.JspWriterImpl.flushBuffer(JspWriterImpl.java:118)
  156.     at org.apache.jasper.runtime.PageContextImpl.release(PageContextImpl.java:194)
  157.     at org.apache.jasper.runtime.JspFactoryImpl.internalReleasePageContext(JspFactoryImpl.java:126)
  158.     at org.apache.jasper.runtime.JspFactoryImpl.releasePageContext(JspFactoryImpl.java:80)
  159.     at org.apache.jsp.error_jsp._jspService(error_jsp.java:80)
  160.     at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
  161.     at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
  162.     at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:432)
  163.     at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:395)
  164.     at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:339)
  165.     at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
  166.     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
  167.     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
  168.     at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
  169.     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
  170.     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
  171.     at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:748)
  172.     at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:486)
  173.     at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:411)
  174.     at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:338)
  175.     at org.springframework.web.servlet.view.InternalResourceView.renderMergedOutputModel(InternalResourceView.java:238)
  176.     at org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:264)
  177.     at org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1208)
  178.     at org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:992)
  179.     at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:939)
  180.     at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:856)
  181.     at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:920)
  182.     at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:816)
  183.     at javax.servlet.http.HttpServlet.service(HttpServlet.java:620)
  184.     at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:801)
  185.     at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
  186.     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
  187.     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
  188.     at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
  189.     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
  190.     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
  191.     at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99)
  192.     at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
  193.     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
  194.     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
  195.     at org.springframework.orm.hibernate4.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:152)
  196.     at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
  197.     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
  198.     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
  199.     at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
  200.     at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
  201.     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
  202.     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
  203.     at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
  204.     at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
  205.     at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:503)
  206.     at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170)
  207.     at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
  208.     at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950)
  209.     at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
  210.     at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:421)
  211.     at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1070)
  212.     at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:611)
  213.     at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:314)
  214.     at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
  215.     at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
  216.     at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
  217.     at java.lang.Thread.run(Thread.java:722)

网上有很多说jsp写错了

但是我的问题是因为数据库中出现了空值，导致json转义时不成功

70

发表评论

表情：
评论列表 （有 0 条评论，665人围观）

还没有评论，来说两句吧...

相关阅读