From 3fd909f8be2cbdc4866565a13631d4839ef6fc88 Mon Sep 17 00:00:00 2001
From: Nathan Brei <nbrei@jlab.org>
Date: Tue, 7 May 2024 22:26:32 -0400
Subject: [PATCH] Small bugfix: JMultifactory app pointer

---
 src/libraries/JANA/JMultifactory.h      | 2 --
 src/libraries/JANA/Omni/JComponentFwd.h | 7 ++++++-
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/src/libraries/JANA/JMultifactory.h b/src/libraries/JANA/JMultifactory.h
index a5de848e5..a635c535f 100644
--- a/src/libraries/JANA/JMultifactory.h
+++ b/src/libraries/JANA/JMultifactory.h
@@ -239,14 +239,12 @@ void JMultifactory::SetCollection(std::string tag, std::unique_ptr<typename JFac
 
 template <typename T>
 void JMultifactoryHelper<T>::Process(const std::shared_ptr<const JEvent> &event) {
-    mMultiFactory->SetApplication(this->GetApplication());
     mMultiFactory->Execute(event);
 }
 
 #ifdef JANA2_HAVE_PODIO
 template <typename T>
 void JMultifactoryHelperPodio<T>::Process(const std::shared_ptr<const JEvent> &event) {
-    mMultiFactory->SetApplication(this->GetApplication());
     mMultiFactory->Execute(event);
 }
 #endif // JANA2_HAVE_PODIO
diff --git a/src/libraries/JANA/Omni/JComponentFwd.h b/src/libraries/JANA/Omni/JComponentFwd.h
index 0d1975916..f73bfe8f9 100644
--- a/src/libraries/JANA/Omni/JComponentFwd.h
+++ b/src/libraries/JANA/Omni/JComponentFwd.h
@@ -85,7 +85,12 @@ struct JComponent {
         return m_status; 
     }
 
-    void SetApplication(JApplication* app) { m_app = app; }
+    void SetApplication(JApplication* app) { 
+        if (app == nullptr) {
+            throw JException("Attempting to set a null JApplication pointer!");
+        }
+        m_app = app; 
+    }
 
     void SetLogger(JLogger logger) { m_logger = logger; }