I am not being able to see a detailed output of a server error?

Question

In asp.net, i can't see the detailed message of the server when an error is present. I mean, when you open a browser and navigate to say http://[errorpage].com and the page shows something like "internal server error - the server is busy" - surely you know that the server is busy...but with my application i get only error 503 - but i cant go as far as mozilla browser goes and cannot see the entire error message. I tried to catch and display the exception - but...no. also i tried to parse the source with regular exp. - but i guess net stops whenever error is present and cannot proceed to parsing - also...without trycatching: same thing.

Answer 1

As a rule, don't enable this on live websites. In your web.config, add/edit the following:

<customErrors mode="Off" />

This will start showing detailed info about the error. But again, DO NOT do this on a live server, or at least not permanently, as it is a security hazard.

Answer 2

The best way to do that is to implement error handling into your code, then save errors somewhere (database, file ...) Then you can look into your file and get a full error

eg

try {
   //your code here
}
catch(Exception ex)
{
   //write to file ex.ToString() to see whole stack trace, or ex.Message to see just message like "index out of bounds"
}

and also if you want to get errors in browser then turn it on in your config file

look at this link for details http://msdn.microsoft.com/en-us/library/h0hfz6fc.aspx

Answer 3

Your question is a little manic, but you've got to consider what error handling is going on up the stack if this is happening:

try{
   //Something
}
catch(Exception){
   //Handle it some how
   throw new Exception("Broken");
}

then this will loose all of the call stack before the new exception is thrown. If this is happening it can be fixed like this:

try{
   //Something
}
catch(Exception){
   //Handle it some how
   throw;
}

this continues to throw the original exception with stack trace.

Answer 4

如果打开ASP.NET Health Monitoring ，则ASP.NET会将错误的详细信息记录到Windows事件日志或您指定的任何其他目标位置。