Fix session-shutdown-after-failure so it does not cause a segfault.

Fixed the method-call wrapper for Python in the qpid messaging wrapper to properly
handle and translate C++ exceptions.


git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk@1005654 13f79535-47bb-0310-9956-ffa450edef68

2 files changed, 9 insertions, 6 deletions

diff --git a/qpid/cpp/bindings/qpid/python/python.i b/qpid/cpp/bindings/qpid/python/python.i
index 85dc745783..bf61cb10b7 100644
--- a/qpid/cpp/bindings/qpid/python/python.i
+++ b/qpid/cpp/bindings/qpid/python/python.i
@@ -23,13 +23,16 @@
 
 /* Define the general-purpose exception handling */
 %exception {
+    std::string error;
+    Py_BEGIN_ALLOW_THREADS;
     try {
-        Py_BEGIN_ALLOW_THREADS
         $action
-        Py_END_ALLOW_THREADS
+    } catch (qpid::types::Exception& ex) {
+        error = ex.what();
     }
-    catch (qpid::messaging::MessagingException& mex) {
-        PyErr_SetString(PyExc_RuntimeError, mex.what());
+    Py_END_ALLOW_THREADS;
+    if (!error.empty()) {
+        PyErr_SetString(PyExc_RuntimeError, error.c_str());
         return NULL;
     }
 }
diff --git a/qpid/cpp/src/qmf/AgentSession.cpp b/qpid/cpp/src/qmf/AgentSession.cpp
index 8c93008a69..47e40ed24a 100644
--- a/qpid/cpp/src/qmf/AgentSession.cpp
+++ b/qpid/cpp/src/qmf/AgentSession.cpp
@@ -223,7 +223,6 @@ void AgentSessionImpl::open()
 {
     if (opened)
         throw QmfException("The session is already open");
-    opened = true;
 
     const string addrArgs(";{create:never,node:{type:topic}}");
 
@@ -245,6 +244,7 @@ void AgentSessionImpl::open()
 
     // Start the receiver thread
     threadCanceled = false;
+    opened = true;
     thread = new qpid::sys::Thread(*this);
 
     // Send an initial agent heartbeat message
@@ -255,7 +255,7 @@ void AgentSessionImpl::open()
 void AgentSessionImpl::close()
 {
     if (!opened)
-        throw QmfException("The session is already closed");
+        return;
 
     // Stop and join the receiver thread
     threadCanceled = true;