From 133035409dc411460d121d66dfb7bd686d6f1b17 Mon Sep 17 00:00:00 2001
From: Leonhard Reichenbach <leonhard.reichenbach@cern.ch>
Date: Tue, 7 Nov 2023 17:25:08 +0100
Subject: [PATCH] catch exception and keep going

---
 src/ConformalTracking.cc | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/ConformalTracking.cc b/src/ConformalTracking.cc
index cf6c2c9..26aca9b 100644
--- a/src/ConformalTracking.cc
+++ b/src/ConformalTracking.cc
@@ -593,7 +593,12 @@ void ConformalTracking::processEvent(LCEvent* evt) {
   UKDTree          nearestNeighbours = nullptr;
 
   for (auto const& parameters : _stepParameters) {
-    runStep(kdClusters, nearestNeighbours, conformalTracks, collectionClusters, parameters);
+    try {
+      runStep(kdClusters, nearestNeighbours, conformalTracks, collectionClusters, parameters);
+    } catch (const TooManyTracksException& e) {
+      streamlog_out(ERROR) << "Too many tracks in step: " << parameters._step << " skipping further steps" << std::endl;
+      break;
+    }
     streamlog_out(DEBUG9) << "STEP " << parameters._step << ": nr tracks = " << conformalTracks.size() << std::endl;
     if (streamlog_level(DEBUG9)) {
       for (auto const& confTrack : conformalTracks) {