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RapidXML异常

[英]RapidXML Exception

 原文  2019-05-13 22:41:53  1   1    c++/ rapidxml

问题描述

I'm trying to parse a response from another system that is in XML. 我正在尝试解析另一个XML系统的响应。 I decided to use RapidXML as my parser. 我决定使用RapidXML作为我的解析器。 Everything was going fine until the system reported a "faultResponse" message. 在系统报告“faultResponse”消息之前，一切都很顺利。 When trying to handle the "faultResponse" message I get a parse error 当试图处理“faultResponse”消息时，我得到一个解析错误

I made sure I'm capturing the exception code and it says it's a parse error. 我确定我正在捕获异常代码，它说这是一个解析错误。 "Expected <". “预期<”。 I'm looking at the sending system and they log what they send, so I know it's not missing an <. 我正在查看发送系统并记录他们发送的内容，所以我知道它不会错过<。 I tried xmllint to verify it's a good file and xmllint says it's good 我试过xmllint来验证它是一个好文件，而xmllint说它很好

Actual XML being sent from remote system 从远程系统发送的实际XML 

<FaultResponse sequenceNumber="10004993">
  <Exception type="System.Exception">
    <message>Distribution Exception: </message>
    <detail>System.Exception: Distribution Exception:  ---&gt; System.Exception: Error copying "AcomSubscriber.xds" to "\\ACOM-P40\C$\Program files (x86)\Zetron\AcomConsole"; Exception: Logon failure: unknown user name or bad password
Error copying "AcomSubscriber.xds" to "\\ACOM-P42\C$\Program files (x86)\Zetron\AcomConsole"; Exception: Logon failure: unknown user name or bad password
Error copying "AcomSubscriber.xds" to "\\ACOM-P39\C$\Program files (x86)\Zetron\AcomConsole"; Exception: Logon failure: unknown user name or bad password
Error copying "AcomSubscriber.xds" to "\\ACOM-P41\C$\Program files (x86)\Zetron\AcomConsole"; Exception: Logon failure: unknown user name or bad password
Error copying "AcomSubscriber.xds" to "\\ACOM-P44\C$\Program files (x86)\Zetron\AcomConsole"; Exception: Logon failure: unknown user name or bad password
Error copying "AcomSubscriber.xds" to "\\ACOM-P43\C$\Program files (x86)\Zetron\AcomConsole"; Exception: Logon failure: unknown user name or bad password
Error copying "AcomSubscriber.xds" to "\\ACOM-P47\C$\Program files (x86)\Zetron\AcomConsole"; Exception: Logon failure: unknown user name or bad password
Error copying "AcomSubscriber.xds" to "\\ACOM-P49\C$\Program files (x86)\Zetron\AcomConsole"; Exception: Logon failure: unknown user name or bad password
Error copying "AcomSubscriber.xds" to "\\ACOM-P45\C$\Program files (x86)\Zetron\AcomConsole"; Exception: Logon failure: unknown user name or bad password
Error copying "AcomSubscriber.xds" to "\\ACOM-P48\C$\Program files (x86)\Zetron\AcomConsole"; Exception: Logon failure: unknown user name or bad password
Error copying "AcomSubscriber.xds" to "\\ACOM-P50\C$\Program files (x86)\Zetron\AcomConsole"; Exception: Logon failure: unknown user name or bad password
Error copying "AcomSubscriber.xds" to "\\ACOM-P46\C$\Program files (x86)\Zetron\AcomConsole"; Exception: Logon failure: unknown user name or bad password
Error copying "AcomSubscriber.xds" to "\\ACOM-P51\C$\Program files (x86)\Zetron\AcomConsole"; Exception: Logon failure: unknown user name or bad password
   --- End of inner exception stack trace ---</detail>
    <Exception type="System.Exception">
      <message>Error copying "AcomSubscriber.xds" to "\\ACOM-P40\C$\Program files (x86)\Zetron\AcomConsole"; Exception: Logon failure: unknown user name or bad password
Error copying "AcomSubscriber.xds" to "\\ACOM-P42\C$\Program files (x86)\Zetron\AcomConsole"; Exception: Logon failure: unknown user name or bad password
Error copying "AcomSubscriber.xds" to "\\ACOM-P39\C$\Program files (x86)\Zetron\AcomConsole"; Exception: Logon failure: unknown user name or bad password
Error copying "AcomSubscriber.xds" to "\\ACOM-P41\C$\Program files (x86)\Zetron\AcomConsole"; Exception: Logon failure: unknown user name or bad password
Error copying "AcomSubscriber.xds" to "\\ACOM-P44\C$\Program files (x86)\Zetron\AcomConsole"; Exception: Logon failure: unknown user name or bad password
Error copying "AcomSubscriber.xds" to "\\ACOM-P43\C$\Program files (x86)\Zetron\AcomConsole"; Exception: Logon failure: unknown user name or bad password
Error copying "AcomSubscriber.xds" to "\\ACOM-P47\C$\Program files (x86)\Zetron\AcomConsole"; Exception: Logon failure: unknown user name or bad password
Error copying "AcomSubscriber.xds" to "\\ACOM-P49\C$\Program files (x86)\Zetron\AcomConsole"; Exception: Logon failure: unknown user name or bad password
Error copying "AcomSubscriber.xds" to "\\ACOM-P45\C$\Program files (x86)\Zetron\AcomConsole"; Exception: Logon failure: unknown user name or bad password
Error copying "AcomSubscriber.xds" to "\\ACOM-P48\C$\Program files (x86)\Zetron\AcomConsole"; Exception: Logon failure: unknown user name or bad password
Error copying "AcomSubscriber.xds" to "\\ACOM-P50\C$\Program files (x86)\Zetron\AcomConsole"; Exception: Logon failure: unknown user name or bad password
Error copying "AcomSubscriber.xds" to "\\ACOM-P46\C$\Program files (x86)\Zetron\AcomConsole"; Exception: Logon failure: unknown user name or bad password
Error copying "AcomSubscriber.xds" to "\\ACOM-P51\C$\Program files (x86)\Zetron\AcomConsole"; Exception: Logon failure: unknown user name or bad password</message>
      <detail>System.Exception: Error copying "AcomSubscriber.xds" to "\\ACOM-P40\C$\Program files (x86)\Zetron\AcomConsole"; Exception: Logon failure: unknown user name or bad password
Error copying "AcomSubscriber.xds" to "\\ACOM-P42\C$\Program files (x86)\Zetron\AcomConsole"; Exception: Logon failure: unknown user name or bad password
Error copying "AcomSubscriber.xds" to "\\ACOM-P39\C$\Program files (x86)\Zetron\AcomConsole"; Exception: Logon failure: unknown user name or bad password
Error copying "AcomSubscriber.xds" to "\\ACOM-P41\C$\Program files (x86)\Zetron\AcomConsole"; Exception: Logon failure: unknown user name or bad password
Error copying "AcomSubscriber.xds" to "\\ACOM-P44\C$\Program files (x86)\Zetron\AcomConsole"; Exception: Logon failure: unknown user name or bad password
Error copying "AcomSubscriber.xds" to "\\ACOM-P43\C$\Program files (x86)\Zetron\AcomConsole"; Exception: Logon failure: unknown user name or bad password
Error copying "AcomSubscriber.xds" to "\\ACOM-P47\C$\Program files (x86)\Zetron\AcomConsole"; Exception: Logon failure: unknown user name or bad password
Error copying "AcomSubscriber.xds" to "\\ACOM-P49\C$\Program files (x86)\Zetron\AcomConsole"; Exception: Logon failure: unknown user name or bad password
Error copying "AcomSubscriber.xds" to "\\ACOM-P45\C$\Program files (x86)\Zetron\AcomConsole"; Exception: Logon failure: unknown user name or bad password
Error copying "AcomSubscriber.xds" to "\\ACOM-P48\C$\Program files (x86)\Zetron\AcomConsole"; Exception: Logon failure: unknown user name or bad password
Error copying "AcomSubscriber.xds" to "\\ACOM-P50\C$\Program files (x86)\Zetron\AcomConsole"; Exception: Logon failure: unknown user name or bad password
Error copying "AcomSubscriber.xds" to "\\ACOM-P46\C$\Program files (x86)\Zetron\AcomConsole"; Exception: Logon failure: unknown user name or bad password
Error copying "AcomSubscriber.xds" to "\\ACOM-P51\C$\Program files (x86)\Zetron\AcomConsole"; Exception: Logon failure: unknown user name or bad password</detail>
    </Exception>
  </Exception>
</FaultResponse>

// get message from system and store in variable target
rapidxml::xml_document<> doc;
try
{
  doc.parse<0>(target);
}
catch (const std::runtime_error& e)
{
  std::cerr << "Runtime error was: " << e.what() << std::endl;
}
catch (const rapidxml::parse_error& e)
{
  std::cerr << "Parse error was: " << e.what() << std::endl;
  cout << "Trying to parse: " << target << " of size " << strlen(target) << endl;
}
catch (const std::exception& e)
{
  std::cerr << "Error was: " << e.what() << std::endl;
}
catch (...)
{
  std::cerr << "An unknown error occurred." << std::endl;
}

I expected to get the doc variable to have the contents of the xml document and start working my way through it, but I get the parse error. 我希望得到doc变量来获取xml文档的内容并开始通过它，但是我得到了解析错误。

1 个解决方案

解决方案1
 0  2019-05-14 17:42:20

I've done some more testing and it appears the XML file is valid and able to be parsed. 我已经做了一些测试，看起来XML文件是有效的并且能够被解析。 I created a separate program to test it and rapidxml worked just fine. 我创建了一个单独的程序来测试它，并且rapidxml工作正常。 Looks like something is corrupting the target variable. 看起来有些东西正在腐蚀目标变量。

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