Fixed ICE-7428 - Potential IceGrid node crash on shutdown

2 files changed, 7 insertions, 7 deletions

diff --git a/cpp/src/IceGrid/Activator.cpp b/cpp/src/IceGrid/Activator.cpp
index ac7f7c3d349..1e4303f439b 100644
--- a/cpp/src/IceGrid/Activator.cpp
+++ b/cpp/src/IceGrid/Activator.cpp
@@ -1057,6 +1057,11 @@ void
 Activator::shutdown()
 {
     IceUtil::Monitor< IceUtil::Mutex>::Lock sync(*this);
+    if(_deactivating)
+    {
+        return;
+    }
+
     //
     // Deactivation has been initiated. Set _deactivating to true to
     // prevent activation of new processes. This will also cause the
diff --git a/cpp/src/IceGrid/IceGridNode.cpp b/cpp/src/IceGrid/IceGridNode.cpp
index 2ace825d1ac..c8480146b6e 100644
--- a/cpp/src/IceGrid/IceGridNode.cpp
+++ b/cpp/src/IceGrid/IceGridNode.cpp
@@ -165,16 +165,12 @@ NodeService::~NodeService()
 {
 }
 
-
 bool
 NodeService::shutdown()
 {
-    assert(_activator);
+    assert(_activator && _sessions.get());
     _activator->shutdown();
-    if(_sessions.get())
-    {
-        _sessions->terminate(); // Unblock the main thread if it's blocked on waitForCreate()
-    }
+    _sessions->terminate(); // Unblock the main thread if it's blocked on waitForCreate()
     return true;
 }
 
@@ -674,7 +670,6 @@ NodeService::stop()
         {
             assert(false);
         }
-        _activator = 0;
     }
 
     if(_timer)