View Capture shows Wireshark Error "The file could not be opened: Uncompression error: buffer error"

[pstavirs]

This typically happens when no packets were captured and is answered in the FAQ

However, it might be better to show a error dialog saying as much instead of triggering Wireshark which displays this non-intuitive error

Adding the following to PortGroup::processViewCaptureAck() should do the trick -

@@ -1419,6 +1419,14 @@ void PortGroup::processViewCaptureAck(PbRpcController *controller)
     capFile->flush();
     capFile->close();
 
+    if (!capFile->size())
+    {
+        QMessageBox::information(NULL, "Capture Buffer Empty",
+                QFileInfo(capFile->fileName()).baseName()
+                    + " - No packets were captured");
+        goto _exit;
+    }
+
     if (!QFile::exists(viewer))
     {
         QMessageBox::warning(NULL, "Can't find Wireshark", 

[pstavirs]

5c1aa6f fixes #212 not this issue