From 6a2bc7e998287f687e5b4427350a5566487eb2f9 Mon Sep 17 00:00:00 2001
From: shahoian <ruben.shahoyan@cern.ch>
Date: Sun, 28 Apr 2024 20:36:38 +0200
Subject: [PATCH] Open TreeStream file with recreate, write with kOverwrite

---
 Common/Utils/include/CommonUtils/TreeStreamRedirector.h | 2 +-
 Common/Utils/src/TreeStreamRedirector.cxx               | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/Common/Utils/include/CommonUtils/TreeStreamRedirector.h b/Common/Utils/include/CommonUtils/TreeStreamRedirector.h
index 8199009df400d..80858fecea87b 100644
--- a/Common/Utils/include/CommonUtils/TreeStreamRedirector.h
+++ b/Common/Utils/include/CommonUtils/TreeStreamRedirector.h
@@ -41,7 +41,7 @@ namespace utils
 class TreeStreamRedirector
 {
  public:
-  TreeStreamRedirector(const char* fname = "", const char* option = "update");
+  TreeStreamRedirector(const char* fname = "", const char* option = "recreate");
   virtual ~TreeStreamRedirector();
   void Close();
   TFile* GetFile() { return mDirectory->GetFile(); }
diff --git a/Common/Utils/src/TreeStreamRedirector.cxx b/Common/Utils/src/TreeStreamRedirector.cxx
index 4c21fcd602543..06fb3d65678c4 100644
--- a/Common/Utils/src/TreeStreamRedirector.cxx
+++ b/Common/Utils/src/TreeStreamRedirector.cxx
@@ -117,7 +117,7 @@ void TreeStreamRedirector::Close()
   TDirectory* backup = gDirectory;
   mDirectory->cd();
   for (auto& layout : mDataLayouts) {
-    layout->getTree().Write(layout->getName());
+    layout->getTree().Write(layout->getName(), TObject::kOverwrite);
   }
   mDataLayouts.clear();
   if (backup) {