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[开发环境搭建] JEECG 常见问题大全

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发表于 2018-12-21 10:38:30 |显示全部楼层
maven install报错
程序包jp.sourceforge.qrcode.data不存在

项目启动报错
java.lang.ClassNotFoundException: org.jeecgframework.web.erp.scoringpaper.deal.PaperImageDeal

每次win10一更新就会这样,有时候会自己又好了
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发表于 2018-12-22 19:15:56 |显示全部楼层
启动后进首页就出错
严重: Servlet.service() for servlet [jsp] in context with path [/jeecg] threw exception
java.lang.UnsupportedOperationException: Method not decompiled: org.jeecgframework.core.aop.GZipFilter.doFilter(javax.servlet.ServletRequest, javax.servlet.ServletResponse, javax.servlet.FilterChain):void
        at org.jeecgframework.core.aop.GZipFilter.doFilter(GZipFilter.java:150)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165)
        at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
        at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:198)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
        at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:474)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)
        at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:624)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:349)
        at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:783)
        at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
        at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:789)
        at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1437)
        at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
        at java.lang.Thread.run(Thread.java:748)
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发表于 2018-12-29 08:57:08 |显示全部楼层
生成的代码应该放在那里啊
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发表于 2018-12-29 09:06:01 |显示全部楼层
qq394085448 发表于 2018-8-4 00:27
按照入门教程设置完,使用maven启动成功后输入网址出现错误,然后根据新手教程里面所有的文件都下载完成后 ...

这个应该是版本不一致
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发表于 2019-1-8 10:04:05 |显示全部楼层

JDK1.8 java.lang.OutOfMemoryError: PermGen space 问题 应该改成如下:
PermSize 和 MaxPermSize 在 JDK1.8 取消了
改成了
元空间
MetaSpaceSize 和 MaxMetaSpaceSize
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发表于 2019-3-19 10:41:51 |显示全部楼层
您好,楼主,我想问下JEECG是否支持以下功能?1.数据源为redis和 csv 怎么支持 2.级联查询条件  例如:省市区 如何配置 3.是否支持前端的列排序和列隐藏 4.能换前端UI为layUI的吗?
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发表于 2019-3-28 18:04:20 |显示全部楼层
jeecg 3.8 版本  代码生成时报错 麻烦楼主看一下为什么
Servlet.service() for servlet [springMvc] in context with path [/jeecg] threw exception [Handler processing failed; nested exception is java.lang.NoClassDefFoundError: Could not initialize class org.jeecgframework.codegenerate.util.CodeResourceUtil] with root cause
java.lang.NoClassDefFoundError: Could not initialize class org.jeecgframework.codegenerate.util.CodeResourceUtil
        at org.jeecgframework.web.cgform.controller.generate.GenerateController.gogenerate(GenerateController.java:130)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:221)
        at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:137)
        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:747)
        at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:676)
        at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85)
        at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:938)
        at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:870)
        at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:961)
        at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:852)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:622)
        at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:837)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:292)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
        at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
        at com.alibaba.druid.support.http.WebStatFilter.doFilter(WebStatFilter.java:123)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
        at org.jeecgframework.core.aop.GZipFilter.doFilter(GZipFilter.java:114)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
        at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
        at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
        at org.springframework.orm.hibernate4.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:150)
        at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:212)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:94)
        at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:492)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:141)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:80)
        at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:620)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88)
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发表于 2019-5-31 10:18:44 |显示全部楼层
jeecg3.7,3.8版本,,经常重新运行好程序之后,直接刷新登录界面会报空指针。


HTTP Status 500 - java.lang.NullPointerException
type Exception report

message java.lang.NullPointerException

description The server encountered an internal error that prevented it from fulfilling this request.

exception

org.apache.jasper.JasperException: java.lang.NullPointerException
        org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:549)
        org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:470)
        org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390)
        org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334)
        javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
        org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51)
        org.springframework.web.servlet.view.InternalResourceView.renderMergedOutputModel(InternalResourceView.java:209)
        org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:267)
        org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1221)
        org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:1005)
        org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:952)
        org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:870)
        org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:961)
        org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:852)
        javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
        org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:837)
        javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
        org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51)
        org.jeecgframework.core.aop.GZipFilter.doFilter(GZipFilter.java:119)
        com.alibaba.druid.support.http.WebStatFilter.doFilter(WebStatFilter.java:140)
        org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(Character





2019-05-31 09:59:25] [INFO] [org.jeecgframework.web.system.controller.core.LoginController:307] login 资源路径returnURL:null
五月 31, 2019 9:59:26 上午 org.apache.catalina.core.ApplicationDispatcher invoke
严重: Servlet.service() for servlet jsp threw exception
java.lang.NullPointerException
        at org.jeecgframework.web.system.pojo.base.TSFunction.hasSubFunction(TSFunction.java:168)
        at org.jeecgframework.web.system.pojo.base.TSFunction.hasSubFunction(TSFunction.java:160)
        at org.jeecgframework.core.util.ListtoMenu.getHplusMultistageTree(ListtoMenu.java:969)
        at org.jeecgframework.tag.core.easyui.MenuTag.end(MenuTag.java:126)
        at org.jeecgframework.tag.core.easyui.MenuTag.doEndTag(MenuTag.java:50)
        at org.apache.jsp.webpage.main.hplus_005fmain_jsp._jspx_meth_t_005fmenu_005f0(hplus_005fmain_jsp.java:696)
        at org.apache.jsp.webpage.main.hplus_005fmain_jsp._jspService(hplus_005fmain_jsp.java:158)
        at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
        at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:432)
        at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390)
        at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334)
        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.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
        at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:749)
        at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:487)
        at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:412)
        at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:339)
        at org.springframework.web.servlet.view.InternalResourceView.renderMergedOutputModel(InternalResourceView.java:209)
        at org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:267)
        at org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1221)
        at org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:1005)
        at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:952)
        at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:870)
        at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:961)
        at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:852)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
        at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:837)
        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.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
        at org.jeecgframework.core.aop.GZipFilter.doFilter(GZipFilter.java:119)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
        at com.alibaba.druid.support.http.WebStatFilter.doFilter(WebStatFilter.java:140)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
        at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
        at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
        at org.springframework.orm.hibernate4.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:150)
        at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
        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:502)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100)
        at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:953)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
        at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1041)
        at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:603)
        at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:312)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)
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发表于 2019-6-28 16:35:31 |显示全部楼层
您好请问一下我在此标签中
<t:dgCol title="用户名"  field="userName"  query="true" queryMode="single"  width="120"></t:dgCol>
增加query="true" 页面搜索效果出来了,但是为什么数据不能查
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发表于 2019-7-6 14:41:36 |显示全部楼层
用jeecg的online表单开发功能开发的表单, 没有代码生成,怎么提交改动过的部分到git的远程仓库?提交的时候git显示没有改动的代码
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