Fix initialisations

vkucera · vkucera · commit 2748ad4f4586 · 2026-01-13T10:23:29.000+01:00
diff --git a/PWGHF/D2H/TableProducer/candidateCreatorBToJpsiReduced.cxx b/PWGHF/D2H/TableProducer/candidateCreatorBToJpsiReduced.cxx
@@ -259,7 +259,7 @@ struct HfCandidateCreatorBToJpsiReduced {
           trackParCovLf0.propagateToDCA(primaryVertex, bz, &dcaKaon);
 
           // get uncertainty of the decay length
-          double phi, theta;
+          double phi{}, theta{};
           // getPointDirection modifies phi and theta
           getPointDirection(std::array{collision.posX(), collision.posY(), collision.posZ()}, secondaryVertexBplus, phi, theta);
           auto errorDecayLength = std::sqrt(getRotatedCovMatrixXX(covMatrixPV, phi, theta) + getRotatedCovMatrixXX(covMatrixPCA, phi, theta));
@@ -332,7 +332,7 @@ struct HfCandidateCreatorBToJpsiReduced {
             trackParCovLf1.propagateToDCA(primaryVertex, bz, &dcaTrackLf1);
 
             // get uncertainty of the decay length
-            double phi, theta;
+            double phi{}, theta{};
             // getPointDirection modifies phi and theta
             getPointDirection(std::array{collision.posX(), collision.posY(), collision.posZ()}, secondaryVertexBs, phi, theta);
             auto errorDecayLength = std::sqrt(getRotatedCovMatrixXX(covMatrixPV, phi, theta) + getRotatedCovMatrixXX(covMatrixPCA, phi, theta));
diff --git a/PWGHF/D2H/TableProducer/candidateCreatorBplusReduced.cxx b/PWGHF/D2H/TableProducer/candidateCreatorBplusReduced.cxx
@@ -184,7 +184,7 @@ struct HfCandidateCreatorBplusReduced {
         trackParCovPi.propagateToDCA(primaryVertex, bz, &dcaPion);
 
         // get uncertainty of the decay length
-        double phi, theta;
+        double phi{}, theta{};
         // getPointDirection modifies phi and theta
         getPointDirection(std::array{collision.posX(), collision.posY(), collision.posZ()}, secondaryVertexBplus, phi, theta);
         auto errorDecayLength = std::sqrt(getRotatedCovMatrixXX(covMatrixPV, phi, theta) + getRotatedCovMatrixXX(covMatrixPCA, phi, theta));
diff --git a/PWGHF/D2H/TableProducer/dataCreatorCharmHadPiReduced.cxx b/PWGHF/D2H/TableProducer/dataCreatorCharmHadPiReduced.cxx
@@ -209,7 +209,7 @@ struct HfDataCreatorCharmHadPiReduced {
   o2::hf_evsel::HfEventSelectionMc hfEvSelMc;
 
   // CCDB service
-  Service<o2::ccdb::BasicCCDBManager> ccdb;
+  Service<o2::ccdb::BasicCCDBManager> ccdb{};
   o2::base::Propagator::MatCorrType noMatCorr = o2::base::Propagator::MatCorrType::USEMatCorrNONE;
   int runNumber{};
 
diff --git a/PWGHF/D2H/TableProducer/dataCreatorCharmResoToD0Reduced.cxx b/PWGHF/D2H/TableProducer/dataCreatorCharmResoToD0Reduced.cxx
@@ -102,7 +102,7 @@ struct HfDataCreatorCharmResoToD0Reduced {
 
   // CCDB service
   o2::ccdb::CcdbApi ccdbApi;
-  Service<o2::ccdb::BasicCCDBManager> ccdb;
+  Service<o2::ccdb::BasicCCDBManager> ccdb{};
   double bz{0.};
   int runNumber{0}; // needed to detect if the run changed and trigger update of calibrations etc.
 
diff --git a/PWGHF/D2H/TableProducer/dataCreatorCharmResoToDplusReduced.cxx b/PWGHF/D2H/TableProducer/dataCreatorCharmResoToDplusReduced.cxx
@@ -102,7 +102,7 @@ struct HfDataCreatorCharmResoToDplusReduced {
 
   // CCDB service
   o2::ccdb::CcdbApi ccdbApi;
-  Service<o2::ccdb::BasicCCDBManager> ccdb;
+  Service<o2::ccdb::BasicCCDBManager> ccdb{};
   double bz{0.};
   int runNumber{0}; // needed to detect if the run changed and trigger update of calibrations etc.
 
diff --git a/PWGHF/D2H/TableProducer/dataCreatorCharmResoToDstarReduced.cxx b/PWGHF/D2H/TableProducer/dataCreatorCharmResoToDstarReduced.cxx
@@ -101,7 +101,7 @@ struct HfDataCreatorCharmResoToDstarReduced {
 
   // CCDB service
   o2::ccdb::CcdbApi ccdbApi;
-  Service<o2::ccdb::BasicCCDBManager> ccdb;
+  Service<o2::ccdb::BasicCCDBManager> ccdb{};
   double bz{0.};
   int runNumber{0}; // needed to detect if the run changed and trigger update of calibrations etc.
 
diff --git a/PWGHF/D2H/TableProducer/dataCreatorJpsiHadReduced.cxx b/PWGHF/D2H/TableProducer/dataCreatorJpsiHadReduced.cxx
@@ -192,7 +192,7 @@ struct HfDataCreatorJpsiHadReduced {
   TrackSelectorEl selectorElectron;
 
   // CCDB service
-  Service<o2::ccdb::BasicCCDBManager> ccdb;
+  Service<o2::ccdb::BasicCCDBManager> ccdb{};
   // O2DatabasePDG service
   Service<o2::framework::O2DatabasePDG> pdg;
 
diff --git a/PWGHF/D2H/Tasks/taskCharmPolarisation.cxx b/PWGHF/D2H/Tasks/taskCharmPolarisation.cxx
@@ -222,7 +222,7 @@ struct HfTaskCharmPolarisation {
   SliceCache cache;
   EventPlaneHelper epHelper; // event plane helper
   HfEventSelection hfEvSel;  // event selection and monitoring
-  o2::framework::Service<o2::ccdb::BasicCCDBManager> ccdb;
+  o2::framework::Service<o2::ccdb::BasicCCDBManager> ccdb{};
 
   using CollisionsWithMcLabels = soa::SmallGroups<soa::Join<aod::Collisions, aod::McCollisionLabels>>;
   using CollisionsWithMcLabelsAndCent = soa::SmallGroups<soa::Join<aod::Collisions, aod::McCollisionLabels, aod::CentFT0Ms, aod::CentFT0Cs>>;
diff --git a/PWGHF/D2H/Tasks/taskD0.cxx b/PWGHF/D2H/Tasks/taskD0.cxx
@@ -104,7 +104,7 @@ struct HfTaskD0 {
   ctpRateFetcher mRateFetcher;
 
   SliceCache cache;
-  Service<o2::ccdb::BasicCCDBManager> ccdb;
+  Service<o2::ccdb::BasicCCDBManager> ccdb{};
 
   using D0Candidates = soa::Filtered<soa::Join<aod::HfCand2Prong, aod::HfSelD0>>;
   using D0CandidatesMc = soa::Filtered<soa::Join<aod::HfCand2Prong, aod::HfSelD0, aod::HfCand2ProngMcRec>>;
diff --git a/PWGHF/D2H/Tasks/taskDirectedFlowCharmHadrons.cxx b/PWGHF/D2H/Tasks/taskDirectedFlowCharmHadrons.cxx
@@ -74,7 +74,7 @@ struct HfTaskDirectedFlowCharmHadrons {
   EventPlaneHelper epHelper;
   SliceCache cache;
   HfEventSelection hfEvSel; // event selection and monitoring
-  o2::framework::Service<o2::ccdb::BasicCCDBManager> ccdb;
+  o2::framework::Service<o2::ccdb::BasicCCDBManager> ccdb{};
 
   using CandDplusDataWMl = soa::Filtered<soa::Join<aod::HfCand3Prong, aod::HfSelDplusToPiKPi, aod::HfMlDplusToPiKPi>>;
   using CandDplusData = soa::Filtered<soa::Join<aod::HfCand3Prong, aod::HfSelDplusToPiKPi>>;
diff --git a/PWGHF/D2H/Tasks/taskDplus.cxx b/PWGHF/D2H/Tasks/taskDplus.cxx
@@ -92,7 +92,7 @@ struct HfTaskDplus {
   HfUpcGapThresholds upcThresholds; // UPC gap determination thresholds
   ctpRateFetcher mRateFetcher;      // interaction rate fetcher
 
-  Service<o2::ccdb::BasicCCDBManager> ccdb;
+  Service<o2::ccdb::BasicCCDBManager> ccdb{};
 
   using CandDplusData = soa::Filtered<soa::Join<aod::HfCand3Prong, aod::HfSelDplusToPiKPi>>;
   using CandDplusDataWithMl = soa::Filtered<soa::Join<aod::HfCand3Prong, aod::HfSelDplusToPiKPi, aod::HfMlDplusToPiKPi>>;
diff --git a/PWGHF/D2H/Tasks/taskDs.cxx b/PWGHF/D2H/Tasks/taskDs.cxx
@@ -169,7 +169,7 @@ struct HfTaskDs {
   } ccdbConfig;
 
   SliceCache cache;
-  Service<o2::ccdb::BasicCCDBManager> ccdb;
+  Service<o2::ccdb::BasicCCDBManager> ccdb{};
 
   using TH1Ptr = std::shared_ptr<TH1>;
   using TH2Ptr = std::shared_ptr<TH2>;
diff --git a/PWGHF/D2H/Tasks/taskFlowCharmHadrons.cxx b/PWGHF/D2H/Tasks/taskFlowCharmHadrons.cxx
@@ -129,7 +129,7 @@ struct HfTaskFlowCharmHadrons {
 
   EventPlaneHelper epHelper;
   HfEventSelection hfEvSel; // event selection and monitoring
-  o2::framework::Service<o2::ccdb::BasicCCDBManager> ccdb;
+  o2::framework::Service<o2::ccdb::BasicCCDBManager> ccdb{};
   SliceCache cache;
 
   using CandDsDataWMl = soa::Filtered<soa::Join<aod::HfCand3Prong, aod::HfSelDsToKKPi, aod::HfMlDsToKKPi>>;
diff --git a/PWGHF/D2H/Tasks/taskLc.cxx b/PWGHF/D2H/Tasks/taskLc.cxx
@@ -88,7 +88,7 @@ struct HfTaskLc {
   HfEventSelection hfEvSel;         // event selection and monitoring
   HfUpcGapThresholds upcThresholds; // UPC gap determination thresholds
   SliceCache cache;
-  Service<o2::ccdb::BasicCCDBManager> ccdb;
+  Service<o2::ccdb::BasicCCDBManager> ccdb{};
 
   using Collisions = soa::Join<aod::Collisions, aod::EvSels>;
   using CollisionsMc = soa::Join<aod::Collisions, aod::McCollisionLabels, aod::EvSels>;
diff --git a/PWGHF/HFC/TableProducer/derivedDataCreatorCorrelationsReduced.cxx b/PWGHF/HFC/TableProducer/derivedDataCreatorCorrelationsReduced.cxx
@@ -103,7 +103,7 @@ struct HfDerivedDataCreatorCorrelationsReduced {
   Configurable<std::vector<double>> binsPtAssoc{"binsPtAssoc", std::vector<double>{0.2, 1., 2., 50.}, "pT bin limits for associated particles"};
 
   HfEventSelection hfEvSel; // event selection and monitoring
-  o2::framework::Service<o2::ccdb::BasicCCDBManager> ccdb;
+  o2::framework::Service<o2::ccdb::BasicCCDBManager> ccdb{};
   SliceCache cache;
 
   double massCharm{0.};
diff --git a/PWGHF/HFC/TableProducer/producerCharmHadronsTrackFemtoDream.cxx b/PWGHF/HFC/TableProducer/producerCharmHadronsTrackFemtoDream.cxx
@@ -184,7 +184,7 @@ struct HfProducerCharmHadronsTrackFemtoDream {
   std::vector<float> outputMlPiKP;
   o2::ccdb::CcdbApi ccdbApi;
   o2::hf_evsel::HfEventSelection hfEvSel;
-  Service<o2::ccdb::BasicCCDBManager> ccdb; /// Accessing the CCDB
+  Service<o2::ccdb::BasicCCDBManager> ccdb{}; /// Accessing the CCDB
   o2::base::MatLayerCylSet* lut{};
   // if (doPvRefit){ lut = o2::base::MatLayerCylSet::rectifyPtrFromFile(ccdb->get<o2::base::MatLayerCylSet>(ccdbPathLut));} //! may be it useful, will check later
 
diff --git a/PWGHF/HFC/TableProducer/producerCharmHadronsV0FemtoDream.cxx b/PWGHF/HFC/TableProducer/producerCharmHadronsV0FemtoDream.cxx
@@ -227,7 +227,7 @@ struct HfProducerCharmHadronsV0FemtoDream {
   std::vector<float> outputMlPiKP;
   o2::ccdb::CcdbApi ccdbApi;
   o2::hf_evsel::HfEventSelection hfEvSel;
-  Service<o2::ccdb::BasicCCDBManager> ccdb; /// Accessing the CCDB
+  Service<o2::ccdb::BasicCCDBManager> ccdb{}; /// Accessing the CCDB
   o2::base::MatLayerCylSet* lut{};
   // if (doPvRefit){ lut = o2::base::MatLayerCylSet::rectifyPtrFromFile(ccdb->get<o2::base::MatLayerCylSet>(ccdbPathLut));} //! may be it useful, will check later
 
diff --git a/PWGHF/HFC/Tasks/taskFlow.cxx b/PWGHF/HFC/Tasks/taskFlow.cxx
@@ -255,7 +255,7 @@ struct HfTaskFlow {
 
   SliceCache cache;
   Service<o2::framework::O2DatabasePDG> pdg;
-  Service<o2::ccdb::BasicCCDBManager> ccdb;
+  Service<o2::ccdb::BasicCCDBManager> ccdb{};
   std::vector<o2::detectors::AlignParam>* offsetFT0{};
   std::vector<o2::detectors::AlignParam>* offsetFV0{};
   o2::ccdb::CcdbApi ccdbApi;
diff --git a/PWGHF/HFL/Tasks/taskElectronWeakBoson.cxx b/PWGHF/HFL/Tasks/taskElectronWeakBoson.cxx
@@ -138,7 +138,7 @@ struct HfTaskElectronWeakBoson {
   Configurable<bool> enableZeeRecoQA{"enableZeeRecoQA", false, "Enable QA for Z->ee reconstruction"};
   Configurable<float> massZMinQA{"massZMinQA", 0.1, "minimum mass cut for Zee Reco QA"};
   // CCDB service object
-  Service<o2::ccdb::BasicCCDBManager> ccdb;
+  Service<o2::ccdb::BasicCCDBManager> ccdb{};
 
   struct HfElectronCandidate {
     float pt, eta, phi, dcaxyTrk, dcazTrk, eop, energyIso, momIso;
diff --git a/PWGHF/TableProducer/candidateCreatorDstar.cxx b/PWGHF/TableProducer/candidateCreatorDstar.cxx
@@ -105,8 +105,8 @@ struct HfCandidateCreatorDstar {
   Configurable<bool> useAbsDCA{"useAbsDCA", false, "Minimise abs. distance rather than chi2"};
   Configurable<bool> useWeightedFinalPCA{"useWeightedFinalPCA", false, "Recalculate vertex position using track covariances, effective only if useAbsDCA is true"};
 
-  HfEventSelection hfEvSel;                 // event selection and monitoring
-  Service<o2::ccdb::BasicCCDBManager> ccdb; // From utilsBfieldCCDB.h
+  HfEventSelection hfEvSel;                   // event selection and monitoring
+  Service<o2::ccdb::BasicCCDBManager> ccdb{}; // From utilsBfieldCCDB.h
   o2::base::Propagator::MatCorrType noMatCorr = o2::base::Propagator::MatCorrType::USEMatCorrNONE;
   // D0-prong vertex fitter
   o2::vertexing::DCAFitterN<2> df;
diff --git a/PWGHF/TableProducer/candidateCreatorSigmac0plusplus.cxx b/PWGHF/TableProducer/candidateCreatorSigmac0plusplus.cxx
@@ -101,7 +101,7 @@ struct HfCandidateCreatorSigmac0plusplus {
   TrackSelection softPiCuts;
 
   // Needed for dcaXY, dcaZ recalculation of soft pions reassigned to a new collision
-  Service<o2::ccdb::BasicCCDBManager> ccdb;
+  Service<o2::ccdb::BasicCCDBManager> ccdb{};
   o2::base::MatLayerCylSet* lut{};
   o2::base::Propagator::MatCorrType noMatCorr = o2::base::Propagator::MatCorrType::USEMatCorrNONE;
   int runNumber{};
diff --git a/PWGHF/TableProducer/candidateCreatorXic0Omegac0.cxx b/PWGHF/TableProducer/candidateCreatorXic0Omegac0.cxx
@@ -143,7 +143,7 @@ struct HfCandidateCreatorXic0Omegac0 {
 
   HfEventSelection hfEvSel;        // event selection and monitoring
   o2::vertexing::DCAFitterN<2> df; // 2-prong vertex fitter to build the omegac/xic vertex
-  Service<o2::ccdb::BasicCCDBManager> ccdb;
+  Service<o2::ccdb::BasicCCDBManager> ccdb{};
   o2::base::MatLayerCylSet* lut{};
   o2::base::Propagator::MatCorrType matCorr = o2::base::Propagator::MatCorrType::USEMatCorrLUT;
   int runNumber{-1};
diff --git a/PWGHF/TableProducer/candidateCreatorXicToXiPiPi.cxx b/PWGHF/TableProducer/candidateCreatorXicToXiPiPi.cxx
@@ -112,7 +112,7 @@ struct HfCandidateCreatorXicToXiPiPi {
   Configurable<int> kfConstructMethod{"kfConstructMethod", 2, "Construct method of XicPlus: 0 fast mathematics without constraint of fixed daughter particle masses, 2 daughter particle masses stay fixed in construction process"};
   Configurable<bool> rejDiffCollTrack{"rejDiffCollTrack", true, "Reject tracks coming from different collisions (effective only for KFParticle w/o derived data)"};
 
-  Service<o2::ccdb::BasicCCDBManager> ccdb;
+  Service<o2::ccdb::BasicCCDBManager> ccdb{};
   o2::base::MatLayerCylSet* lut{};
   o2::base::Propagator::MatCorrType matCorr = o2::base::Propagator::MatCorrType::USEMatCorrLUT;
 
@@ -362,7 +362,7 @@ struct HfCandidateCreatorXicToXiPiPi {
       // Lambda daughters
       auto trackPosLambdaDaughter = casc.posTrack_as<TracksWCovDcaPidPrPi>();
       auto trackNegLambdaDaughter = casc.negTrack_as<TracksWCovDcaPidPrPi>();
-      float pPiFromLambda, pPrFromLambda, nSigTpcPiFromLambda, nSigTofPiFromLambda, nSigTpcPrFromLambda, nSigTofPrFromLambda;
+      float pPiFromLambda{}, pPrFromLambda{}, nSigTpcPiFromLambda{}, nSigTofPiFromLambda{}, nSigTpcPrFromLambda{}, nSigTofPrFromLambda{};
       if (signXic == +1) {
         pPiFromLambda = trackNegLambdaDaughter.p();
         nSigTpcPiFromLambda = trackNegLambdaDaughter.tpcNSigmaPi();
@@ -591,7 +591,7 @@ struct HfCandidateCreatorXicToXiPiPi {
 
       // mass of Xi-Pi0 pair
       KFParticle kfXiPi0;
-      float errMassXiPi0;
+      float errMassXiPi0{};
       const KFParticle* kfXiResonanceDaughtersPi0[2] = {&kfXi, &kfCharmBachelor0};
       kfXiPi0.SetConstructMethod(kfConstructMethod);
       try {
@@ -603,7 +603,7 @@ struct HfCandidateCreatorXicToXiPiPi {
 
       // mass of Xi-Pi1 pair
       KFParticle kfXiPi1;
-      float errMassXiPi1;
+      float errMassXiPi1{};
       const KFParticle* kfXiResonanceDaughtersPi1[2] = {&kfXi, &kfCharmBachelor1};
       kfXiPi1.SetConstructMethod(kfConstructMethod);
       try {
@@ -614,7 +614,7 @@ struct HfCandidateCreatorXicToXiPiPi {
       kfXiPi1.GetMass(massXiPi1, errMassXiPi1);
 
       // get invariant mass of Xic candidate
-      float errMassXiPiPi;
+      float errMassXiPiPi{};
       kfXicPlus.GetMass(massXiPiPi, errMassXiPiPi);
 
       // decay length of XicPlus
@@ -637,7 +637,7 @@ struct HfCandidateCreatorXicToXiPiPi {
       // Lambda daughters
       auto trackPosLambdaDaughter = casc.posTrack_as<TracksWCovExtraPidPrPi>();
       auto trackNegLambdaDaughter = casc.negTrack_as<TracksWCovExtraPidPrPi>();
-      float pPiFromLambda, pPrFromLambda, nSigTpcPiFromLambda, nSigTofPiFromLambda, nSigTpcPrFromLambda, nSigTofPrFromLambda;
+      float pPiFromLambda{}, pPrFromLambda{}, nSigTpcPiFromLambda{}, nSigTofPiFromLambda{}, nSigTpcPrFromLambda{}, nSigTofPrFromLambda{};
       if (signXic == +1) {
         pPiFromLambda = trackNegLambdaDaughter.p();
         nSigTpcPiFromLambda = trackNegLambdaDaughter.tpcNSigmaPi();
diff --git a/PWGHF/TableProducer/candidateCreatorXicc.cxx b/PWGHF/TableProducer/candidateCreatorXicc.cxx
@@ -185,7 +185,7 @@ struct HfCandidateCreatorXicc {
         trackParVarPi.propagateToDCA(primaryVertex, bz, &impactParameter1);
 
         // get uncertainty of the decay length
-        double phi, theta;
+        double phi{}, theta{};
         getPointDirection(std::array{collision.posX(), collision.posY(), collision.posZ()}, secondaryVertexXicc, phi, theta);
         auto errorDecayLength = std::sqrt(getRotatedCovMatrixXX(covMatrixPV, phi, theta) + getRotatedCovMatrixXX(covMatrixPCA, phi, theta));
         auto errorDecayLengthXY = std::sqrt(getRotatedCovMatrixXX(covMatrixPV, phi, 0.) + getRotatedCovMatrixXX(covMatrixPCA, phi, 0.));
@@ -225,9 +225,9 @@ struct HfCandidateCreatorXiccMc {
                aod::TracksWMc const&,
                aod::McParticles const& mcParticles)
   {
-    int8_t sign = 0;
-    int8_t flag;
-    int8_t origin;
+    int8_t sign{};
+    int8_t flag{};
+    int8_t origin{};
 
     // Match reconstructed candidates.
     for (const auto& candidate : candidates) {
diff --git a/PWGHF/TableProducer/candidateSelectorD0.cxx b/PWGHF/TableProducer/candidateSelectorD0.cxx
@@ -244,7 +244,7 @@ struct HfCandidateSelectorD0 {
     }
 
     // invariant-mass cut
-    float massD0, massD0bar;
+    float massD0{}, massD0bar{};
     if constexpr (ReconstructionType == aod::hf_cand::VertexerType::KfParticle) {
       massD0 = candidate.kfGeoMassD0();
       massD0bar = candidate.kfGeoMassD0bar();
diff --git a/PWGHF/TableProducer/derivedDataCreatorD0ToKPi.cxx b/PWGHF/TableProducer/derivedDataCreatorD0ToKPi.cxx
@@ -310,7 +310,7 @@ struct HfDerivedDataCreatorD0ToKPi {
 
         double const ct = HfHelper::ctD0(candidate);
         double const y = HfHelper::yD0(candidate);
-        float massD0, massD0bar;
+        float massD0{}, massD0bar{};
         float topolChi2PerNdf = -999.;
         if constexpr (ReconstructionType == aod::hf_cand::VertexerType::KfParticle) {
           massD0 = candidate.kfGeoMassD0();
diff --git a/PWGHF/TableProducer/mcPidTof.cxx b/PWGHF/TableProducer/mcPidTof.cxx
@@ -351,7 +351,7 @@ struct TofSignal {
   HistogramRegistry histos{"Histos", {}, OutputObjHandlingPolicy::AnalysisObject};
   // Detector response and input parameters
   o2::pid::tof::TOFResoParamsV3 mRespParamsV3;
-  Service<o2::ccdb::BasicCCDBManager> ccdb;
+  Service<o2::ccdb::BasicCCDBManager> ccdb{};
   struct : ConfigurableGroup {
     Configurable<std::string> cfgUrl{"ccdb-url", "http://alice-ccdb.cern.ch", "url of the ccdb repository"};
     Configurable<std::string> cfgPathGrpLhcIf{"ccdb-path-grplhcif", "GLO/Config/GRPLHCIF", "Path on the CCDB for the GRPLHCIF object"};
@@ -471,7 +471,7 @@ struct TofEventTime {
   bool enableTableEvTimeTOFOnly = false;
   // Detector response and input parameters
   o2::pid::tof::TOFResoParamsV3 mRespParamsV3;
-  Service<o2::ccdb::BasicCCDBManager> ccdb;
+  Service<o2::ccdb::BasicCCDBManager> ccdb{};
   TOFCalibConfig mTOFCalibConfig; // TOF Calib configuration
 
   // Event time configurations
@@ -737,7 +737,7 @@ struct McPidTof {
 
   // Detector response parameters
   o2::pid::tof::TOFResoParamsV3 mRespParamsV3;
-  Service<o2::ccdb::BasicCCDBManager> ccdb;
+  Service<o2::ccdb::BasicCCDBManager> ccdb{};
   TOFCalibConfig mTOFCalibConfig; // TOF Calib configuration
   Configurable<bool> enableQaHistograms{"enableQaHistograms", false, "Flag to enable the QA histograms"};
 
diff --git a/PWGHF/TableProducer/trackIndexSkimCreator.cxx b/PWGHF/TableProducer/trackIndexSkimCreator.cxx
@@ -130,8 +130,8 @@ struct HfTrackIndexSkimCreatorTagSelCollisions {
 
   Configurable<bool> fillHistograms{"fillHistograms", true, "fill histograms"};
   Configurable<std::string> triggerClassName{"triggerClassName", "kINT7", "Run 2 trigger class, only for Run 2 converted data"};
-  HfEventSelection hfEvSel;                 // event selection and monitoring
-  Service<o2::ccdb::BasicCCDBManager> ccdb; // needed for evSelection
+  HfEventSelection hfEvSel;                   // event selection and monitoring
+  Service<o2::ccdb::BasicCCDBManager> ccdb{}; // needed for evSelection
 
   // QA histos
   HistogramRegistry registry{"registry"};
@@ -321,7 +321,7 @@ struct HfTrackIndexSkimCreatorTagSelTracks {
   SliceCache cache;
 
   // Needed for PV refitting
-  Service<o2::ccdb::BasicCCDBManager> ccdb;
+  Service<o2::ccdb::BasicCCDBManager> ccdb{};
   o2::base::MatLayerCylSet* lut{};
   o2::base::Propagator::MatCorrType noMatCorr = o2::base::Propagator::MatCorrType::USEMatCorrNONE;
   int runNumber{};
@@ -1277,7 +1277,7 @@ struct HfTrackIndexSkimCreator {
   o2::vertexing::DCAFitterN<2> df2; // 2-prong vertex fitter
   o2::vertexing::DCAFitterN<3> df3; // 3-prong vertex fitter
   // Needed for PV refitting
-  Service<o2::ccdb::BasicCCDBManager> ccdb;
+  Service<o2::ccdb::BasicCCDBManager> ccdb{};
   o2::base::MatLayerCylSet* lut{};
   o2::base::Propagator::MatCorrType noMatCorr = o2::base::Propagator::MatCorrType::USEMatCorrNONE;
   int runNumber{};
@@ -3104,7 +3104,7 @@ struct HfTrackIndexSkimCreatorCascades {
 
   o2::vertexing::DCAFitterN<2> df2; // 2-prong vertex fitter
   // Needed for PV refitting
-  Service<o2::ccdb::BasicCCDBManager> ccdb;
+  Service<o2::ccdb::BasicCCDBManager> ccdb{};
   o2::base::MatLayerCylSet* lut{};
   o2::base::Propagator::MatCorrType noMatCorr = o2::base::Propagator::MatCorrType::USEMatCorrNONE;
   o2::base::Propagator::MatCorrType matCorr = o2::base::Propagator::MatCorrType::USEMatCorrLUT;
@@ -3367,7 +3367,7 @@ struct HfTrackIndexSkimCreatorLfCascades {
   } config;
 
   o2::vertexing::DCAFitterN<2> df2; // 2-prong vertex fitter
-  Service<o2::ccdb::BasicCCDBManager> ccdb;
+  Service<o2::ccdb::BasicCCDBManager> ccdb{};
   o2::base::MatLayerCylSet* lut{};
   o2::base::Propagator::MatCorrType matCorr = o2::base::Propagator::MatCorrType::USEMatCorrLUT;
   int runNumber{};
diff --git a/PWGHF/TableProducer/treeCreatorOmegacSt.cxx b/PWGHF/TableProducer/treeCreatorOmegacSt.cxx
@@ -261,7 +261,7 @@ struct HfTreeCreatorOmegacSt {
   Configurable<std::string> cfgTriggersOfInterest{"cfgTriggersOfInterest", "fTrackedOmega,fHfCharmBarToXiBach", "Triggers of interest, comma separated for Zorro"};
 
   SliceCache cache;
-  Service<o2::ccdb::BasicCCDBManager> ccdb;
+  Service<o2::ccdb::BasicCCDBManager> ccdb{};
   o2::vertexing::DCAFitterN<2> df2;
 
   static constexpr int ItsNClsMin{4};
diff --git a/PWGHF/TableProducer/treeCreatorTccToD0D0Pi.cxx b/PWGHF/TableProducer/treeCreatorTccToD0D0Pi.cxx
@@ -258,7 +258,7 @@ struct HfTreeCreatorTccToD0D0Pi {
   o2::vertexing::DCAFitterN<2> dfD1;  // 2-prong vertex fitter (to rebuild D01 vertex)
   o2::vertexing::DCAFitterN<2> dfD2;  // 2-prong vertex fitter (to rebuild D02 vertex)
 
-  Service<o2::ccdb::BasicCCDBManager> ccdb;
+  Service<o2::ccdb::BasicCCDBManager> ccdb{};
   o2::base::MatLayerCylSet* lut{};
   o2::base::Propagator::MatCorrType matCorr = o2::base::Propagator::MatCorrType::USEMatCorrLUT;
   double bz{0.};
diff --git a/PWGHF/Tasks/taskMcValidation.cxx b/PWGHF/Tasks/taskMcValidation.cxx
diff --git a/PWGHF/Tasks/taskPidStudies.cxx b/PWGHF/Tasks/taskPidStudies.cxx
