add protection in reader against missing output event when the non standard cluster...

diff --git a/PWG4/PartCorrBase/AliCaloTrackReader.cxx b/PWG4/PartCorrBase/AliCaloTrackReader.cxx
index cf53e23bb63f49a3a535d0830d7d93a3b46449d8..75a7d5b417abe67ccea4687d5af47bb1fa947d51 100755 (executable)
--- a/PWG4/PartCorrBase/AliCaloTrackReader.cxx
+++ b/PWG4/PartCorrBase/AliCaloTrackReader.cxx
@@ -884,7 +884,8 @@ void AliCaloTrackReader::FillInputEMCAL() {
     
   }//Get the clusters from the input event
   else {
-    TClonesArray * clusterList = dynamic_cast<TClonesArray*> (fOutputEvent->FindListObject(fEMCALClustersListName));
+    TClonesArray * clusterList = 0x0; 
+    if(fOutputEvent) clusterList = dynamic_cast<TClonesArray*> (fOutputEvent->FindListObject(fEMCALClustersListName));
     if(!clusterList){
       //printf("AliCaloTrackReader::FillInputEMCAL() - Wrong name of list with clusters? Try input event <%s>\n",fEMCALClustersListName.Data());
       //List not in output event, try input event