From 34784b2d29eeebc967e340dd5da6c2f23c08b157 Mon Sep 17 00:00:00 2001
From: DeepSOIC <vv.titov@gmail.com>
Date: Wed, 1 Jul 2015 20:26:36 +0300
Subject: [PATCH] PartDesign: Fix revolution

It failed to close task if starting a body.
---
 src/Mod/PartDesign/Gui/TaskRevolutionParameters.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/Mod/PartDesign/Gui/TaskRevolutionParameters.cpp b/src/Mod/PartDesign/Gui/TaskRevolutionParameters.cpp
index d206110af..b26769037 100644
--- a/src/Mod/PartDesign/Gui/TaskRevolutionParameters.cpp
+++ b/src/Mod/PartDesign/Gui/TaskRevolutionParameters.cpp
@@ -373,7 +373,11 @@ void TaskRevolutionParameters::apply()
     App::DocumentObject* support = 0;
     if (revolve->getTypeId().isDerivedFrom(PartDesign::Revolution::getClassTypeId())) {
         sketch = static_cast<PartDesign::Revolution*>(revolve)->Sketch.getValue();
-        support = static_cast<PartDesign::Revolution*>(revolve)->getBaseObject();
+        try{//throws if no base
+            support = static_cast<PartDesign::Revolution*>(revolve)->getBaseObject();
+        } catch (Base::Exception) {
+            support = NULL;
+        }
     }
 
     //Gui::Command::openCommand("Revolution changed");