System.Xml.XmlException: 缺少根元素

2009-10-19 05:25:52 6.7k 阅读 AI 写同款 · GEO 优化AI 选题数据监测一键分发 ›

Python中优化模块scipy.optimize的优化算法介绍如果你有一个特殊的优化问题，你可以使用对象来自定义问题的求解。# 自定义目标函数# 自定义优化问题custom_problem.fun = custom_objective_function # 目标函数custom_problem.x = [1, 1] # 初始猜测# 执行优化# 打印结果在上述例子中，我们自定义了一个对象，并指定了目标函数和初始猜测，然后使用minimize函数进行求解。Scipy的优化模块提供了丰富的功能，适用于各种优化问题。阅读详情

说明: 执行当前 Web 请求期间，出现未处理的异常。请检查堆栈跟踪信息，以了解有关该错误以及代码中导致错误的出处的详细信息。

异常详细信息: System.Xml.XmlException: 缺少根元素。

源错误:

[没有相关的源行]

源文件: c:\windows\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\root\a840fbda\97b8902a\App_Web_2c_wd-pi.6.cs 行: 0

堆栈跟踪:

[XmlException: 缺少根元素。]
System.Xml.XmlTextReaderImpl.Throw(Exception e) +76
System.Xml.XmlTextReaderImpl.ThrowWithoutLineInfo(String res) +61
System.Xml.XmlTextReaderImpl.ParseDocumentContent() +3979352
System.Xml.XmlTextReaderImpl.Read() +151
System.Xml.XmlLoader.Load(XmlDocument doc, XmlReader reader, Boolean preserveWhitespace) +112
System.Xml.XmlDocument.Load(XmlReader reader) +108
System.Xml.XmlDocument.Load(String filename) +87
Zhiyuan.Web.CN.admin.code.GeneralConfigFileManager.ReviseConfig() +165
Zhiyuan.Web.CN.admin.code.GeneralConfigFileManager..cctor() +240

[TypeInitializationException: “Zhiyuan.Web.CN.admin.code.GeneralConfigFileManager”的类型初始值设定项引发异常。]
Zhiyuan.Web.CN.admin.code.GeneralConfigFileManager.LoadConfig() +0
Zhiyuan.Web.CN.admin.code.GeneralConfig..cctor() +108

[TypeInitializationException: “Zhiyuan.Web.CN.admin.code.GeneralConfig”的类型初始值设定项引发异常。]
Zhiyuan.Web.CN.admin.code.GeneralConfig.ResetConfig() +0
Zhiyuan.Web.CN.Parentpage..ctor() +177
Zhiyuan.Web.CN.shownews..ctor() +108
ASP.shownews_aspx..ctor() in c:\windows\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\root\a840fbda\97b8902a\App_Web_2c_wd-pi.6.cs:0

[TargetInvocationException: 调用的目标发生了异常。]
System.RuntimeTypeHandle.CreateInstance(RuntimeType type, Boolean publicOnly, Boolean noCheck, Boolean& canBeCached, RuntimeMethodHandle& ctor, Boolean& bNeedSecurityCheck) +0
System.RuntimeType.CreateInstanceSlow(Boolean publicOnly, Boolean fillCache) +86
System.RuntimeType.CreateInstanceImpl(Boolean publicOnly, Boolean skipVisibilityChecks, Boolean fillCache) +230
System.Activator.CreateInstance(Type type, Boolean nonPublic) +67
System.Web.UI.PageParser.GetCompiledPageInstance(VirtualPath virtualPath, String inputFile, HttpContext context) +224
System.Web.UI.PageParser.GetCompiledPageInstance(String virtualPath, String inputFile, HttpContext context) +121
URLRewriter.RewriterFactoryHandler.GetHandler(HttpContext context, String requestType, String url, String pathTranslated) +675
System.Web.HttpApplication.MapHttpHandler(HttpContext context, String requestType, VirtualPath path, String pathTranslated, Boolean useAppConfig) +193
System.Web.MapHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +93
System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +155

...全文