public static void DisplayException(Exception ex)
{
if (!Application.Current.Dispatcher.CheckAccess())
{
Application.Current.Dispatcher.Invoke(((Action)(() => DisplayException(ex))));
return;
}
// Record this exception at server so that we know about it
{
string message = ex.Message;
string stack_trace = ex.StackTrace;
int MAX_CHARS = 512;
if (null != stack_trace && stack_trace.Length > MAX_CHARS)
{
stack_trace = stack_trace.Substring(0, MAX_CHARS - 3) + "...";
}
FeatureTrackingManager.Instance.UseFeature(
Features.Exception,
"Ver", ClientVersion.CurrentVersion,
"Message", message,
"Stack", stack_trace
);
}
string useful_text_heading = "Something unexpected has happened, but it's okay.";
string useful_text_subheading = "You can continue working, but we would appreciate it if you would send us some feedback on what you were doing when this happened.";
// should we display a better message
// TODO: make this a bit neater
if (ex != null)
{
// very broad descriptions based on the exceptions we caught
if (ex.GetType() == typeof(PathTooLongException))
{
useful_text_heading = "Maximum path length exceeded";
useful_text_subheading = "A very long path was entered (more than 260 characters). If you were importing documents, please move the documents into a folder with a shorter path before retrying the import.";
}
}
// Check if this is an exception we know about and want to be a little more friendly
UsefulTextException ute = ex as UsefulTextException;
if (null != ute)
{
useful_text_heading = ute.header;
useful_text_subheading = ute.body;
}
Display("Unexpected problem in Qiqqa!", useful_text_heading, useful_text_subheading, null, true, false, ex);
}
public static void DisplayException(Exception ex)
{
// When we're looking at an OutOfMem exception, there's nothing we can do but abort everything!
if (ex is System.OutOfMemoryException)
{
throw new OutOfMemoryException("Out of memory", ex);
}
// the garbage collection is not crucial for the functioning of the dialog itself, hence dump it into a worker thread.
SafeThreadPool.QueueUserWorkItem(o =>
{
// Collect all generations of memory.
GC.WaitForPendingFinalizers();
GC.Collect(GC.MaxGeneration, GCCollectionMode.Forced, true, true);
});
string useful_text_heading = "Something unexpected has happened, but it's okay. " + ex.Message;
string useful_text_subheading = "You can continue working, but we would appreciate it if you would send us some feedback on what you were doing when this happened.";
// should we display a better message
// TODO: make this a bit neater
if (ex != null)
{
// very broad descriptions based on the exceptions we caught
if (ex.GetType() == typeof(PathTooLongException))
{
useful_text_heading = "Maximum path length exceeded";
useful_text_subheading = "A very long path was entered (more than 260 characters). If you were importing documents, please move the documents into a folder with a shorter path before retrying the import.";
}
}
// Check if this is an exception we know about and want to be a little more friendly
UsefulTextException ute = ex as UsefulTextException;
if (null != ute)
{
useful_text_heading = ute.header;
useful_text_subheading = ute.body;
}
Logging.Error(ex, "Unhandled Exception Handler: {0} - {1}", useful_text_heading, useful_text_subheading);
// make sure we're not in the process of shutting down Qiqqa for then the next code chunk will cause a (recursive) CRASH:
if (ShutdownableManager.Instance.IsShuttingDown)
{
Logging.Error(ex, "Unhandled Exception Handler: detected Qiqqa shutting down.");
}
else
{
// Record this exception at server so that we know about it
{
string message = ex.Message;
string stack_trace = ex.StackTrace;
int MAX_CHARS = 512;
if (null != stack_trace && stack_trace.Length > MAX_CHARS)
{
stack_trace = stack_trace.Substring(0, MAX_CHARS - 3) + "...";
}
FeatureTrackingManager.Instance.UseFeature(
Features.Exception,
"Ver", ClientVersion.CurrentVersion,
"Message", message,
"Stack", stack_trace
);
}
Display("Unexpected problem in Qiqqa!", useful_text_heading, useful_text_subheading, null, true, false, ex);
}
}
