Program: 115915
Project: 115915
Buggy source:
private void addEventListeners(){
  addEventListener(new CompleteTopologyEventListener(){
    private boolean initialized;
    @Override protected void onEvent(    Event event){
      if (!initialized) {
        try {
          TopologyManager.acquireReadLock();
          for (          Service service : TopologyManager.getTopology().getServices()) {
            for (            Cluster cluster : service.getClusters()) {
              for (              Member member : cluster.getMembers()) {
                if (member.getStatus() == MemberStatus.Active) {
                  addMember(cluster.getServiceName(),member.getClusterId(),member.getMemberId());
                }
              }
            }
          }
          initialized=true;
        }
 catch (        Exception e) {
          log.error("String_Node_Str",e);
        }
 finally {
          TopologyManager.releaseReadLock();
        }
      }
    }
  }
);
  addEventListener(new MemberActivatedEventListener(){
    @Override protected void onEvent(    Event event){
      MemberActivatedEvent memberActivatedEvent=(MemberActivatedEvent)event;
      String serviceName=memberActivatedEvent.getServiceName();
      String clusterId=memberActivatedEvent.getClusterId();
      String memberId=memberActivatedEvent.getMemberId();
      try {
        TopologyManager.acquireReadLockForCluster(serviceName,clusterId);
        addMember(serviceName,clusterId,memberId);
      }
 catch (      Exception e) {
        log.error("String_Node_Str",e);
      }
 finally {
        TopologyManager.releaseReadLockForCluster(serviceName,clusterId);
      }
    }
  }
);
  addEventListener(new MemberMaintenanceListener(){
    @Override protected void onEvent(    Event event){
      MemberMaintenanceModeEvent memberMaintenanceModeEvent=(MemberMaintenanceModeEvent)event;
      String serviceName=memberMaintenanceModeEvent.getServiceName();
      String clusterId=memberMaintenanceModeEvent.getClusterId();
      String memberId=memberMaintenanceModeEvent.getMemberId();
      try {
        TopologyManager.acquireReadLockForCluster(serviceName,clusterId);
        removeMember(serviceName,clusterId,memberId);
      }
 catch (      Exception e) {
        log.error("String_Node_Str",e);
      }
 finally {
        TopologyManager.releaseReadLockForCluster(serviceName,clusterId);
      }
    }
  }
);
  addEventListener(new MemberSuspendedEventListener(){
    @Override protected void onEvent(    Event event){
      MemberSuspendedEvent memberSuspendedEvent=(MemberSuspendedEvent)event;
      String serviceName=memberSuspendedEvent.getServiceName();
      String clusterId=memberSuspendedEvent.getClusterId();
      String memberId=memberSuspendedEvent.getMemberId();
      try {
        TopologyManager.acquireReadLockForCluster(serviceName,clusterId);
        removeMember(serviceName,clusterId,memberId);
      }
 catch (      Exception e) {
        log.error("String_Node_Str",e);
      }
 finally {
        TopologyManager.releaseReadLockForCluster(memberSuspendedEvent.getServiceName(),memberSuspendedEvent.getClusterId());
      }
    }
  }
);
  addEventListener(new MemberTerminatedEventListener(){
    @Override protected void onEvent(    Event event){
      MemberTerminatedEvent memberTerminatedEvent=(MemberTerminatedEvent)event;
      String serviceName=memberTerminatedEvent.getServiceName();
      String clusterId=memberTerminatedEvent.getClusterId();
      String memberId=memberTerminatedEvent.getMemberId();
      try {
        TopologyManager.acquireReadLockForCluster(serviceName,clusterId);
        removeMember(serviceName,clusterId,memberId);
      }
 catch (      Exception e) {
        log.error("String_Node_Str",e);
      }
 finally {
        TopologyManager.releaseReadLockForCluster(serviceName,clusterId);
      }
    }
  }
);
  addEventListener(new ClusterRemovedEventListener(){
    @Override protected void onEvent(    Event event){
      ClusterRemovedEvent clusterRemovedEvent=(ClusterRemovedEvent)event;
      String serviceName=clusterRemovedEvent.getServiceName();
      String clusterId=clusterRemovedEvent.getClusterId();
      try {
        TopologyManager.acquireReadLockForCluster(serviceName,clusterId);
        Service service=TopologyManager.getTopology().getService(serviceName);
        if (service == null) {
          if (log.isWarnEnabled()) {
            log.warn(String.format("String_Node_Str",serviceName));
          }
          return;
        }
        Cluster cluster=service.getCluster(clusterId);
        removeCluster(cluster);
      }
 catch (      Exception e) {
        log.error("String_Node_Str",e);
      }
 finally {
        TopologyManager.releaseReadLockForCluster(serviceName,clusterId);
      }
    }
  }
);
  addEventListener(new ServiceRemovedEventListener(){
    @Override protected void onEvent(    Event event){
      ServiceRemovedEvent serviceRemovedEvent=(ServiceRemovedEvent)event;
      String serviceName=serviceRemovedEvent.getServiceName();
      try {
        TopologyManager.acquireReadLockForService(serviceName);
        Service service=TopologyManager.getTopology().getService(serviceName);
        if (service == null) {
          if (log.isWarnEnabled()) {
            log.warn(String.format("String_Node_Str",serviceName));
          }
          return;
        }
        for (        Cluster cluster : service.getClusters()) {
          removeCluster(cluster);
        }
      }
 catch (      Exception e) {
        log.error("String_Node_Str",e);
      }
 finally {
        TopologyManager.releaseReadLockForService(serviceName);
      }
    }
  }
);
}

Fixed version (ground truth):
private void addEventListeners(){
  addEventListener(new CompleteTopologyEventListener(){
    private boolean initialized;
    @Override protected void onEvent(    Event event){
      if (initialized) {
        return;
      }
      try {
        TopologyManager.acquireReadLock();
        for (        Service service : TopologyManager.getTopology().getServices()) {
          for (          Cluster cluster : service.getClusters()) {
            for (            Member member : cluster.getMembers()) {
              if (member.getStatus() == MemberStatus.Active) {
                addMember(cluster.getServiceName(),member.getClusterId(),member.getMemberId());
              }
            }
          }
        }
        initialized=true;
      }
 catch (      Exception e) {
        log.error("String_Node_Str",e);
      }
 finally {
        TopologyManager.releaseReadLock();
      }
    }
  }
);
  addEventListener(new MemberActivatedEventListener(){
    @Override protected void onEvent(    Event event){
      MemberActivatedEvent memberActivatedEvent=(MemberActivatedEvent)event;
      String serviceName=memberActivatedEvent.getServiceName();
      String clusterId=memberActivatedEvent.getClusterId();
      String memberId=memberActivatedEvent.getMemberId();
      try {
        TopologyManager.acquireReadLockForCluster(serviceName,clusterId);
        addMember(serviceName,clusterId,memberId);
      }
 catch (      Exception e) {
        log.error("String_Node_Str",e);
      }
 finally {
        TopologyManager.releaseReadLockForCluster(serviceName,clusterId);
      }
    }
  }
);
  addEventListener(new MemberMaintenanceListener(){
    @Override protected void onEvent(    Event event){
      MemberMaintenanceModeEvent memberMaintenanceModeEvent=(MemberMaintenanceModeEvent)event;
      String serviceName=memberMaintenanceModeEvent.getServiceName();
      String clusterId=memberMaintenanceModeEvent.getClusterId();
      String memberId=memberMaintenanceModeEvent.getMemberId();
      try {
        TopologyManager.acquireReadLockForCluster(serviceName,clusterId);
        removeMember(serviceName,clusterId,memberId);
      }
 catch (      Exception e) {
        log.error("String_Node_Str",e);
      }
 finally {
        TopologyManager.releaseReadLockForCluster(serviceName,clusterId);
      }
    }
  }
);
  addEventListener(new MemberSuspendedEventListener(){
    @Override protected void onEvent(    Event event){
      MemberSuspendedEvent memberSuspendedEvent=(MemberSuspendedEvent)event;
      String serviceName=memberSuspendedEvent.getServiceName();
      String clusterId=memberSuspendedEvent.getClusterId();
      String memberId=memberSuspendedEvent.getMemberId();
      try {
        TopologyManager.acquireReadLockForCluster(serviceName,clusterId);
        removeMember(serviceName,clusterId,memberId);
      }
 catch (      Exception e) {
        log.error("String_Node_Str",e);
      }
 finally {
        TopologyManager.releaseReadLockForCluster(memberSuspendedEvent.getServiceName(),memberSuspendedEvent.getClusterId());
      }
    }
  }
);
  addEventListener(new MemberTerminatedEventListener(){
    @Override protected void onEvent(    Event event){
      MemberTerminatedEvent memberTerminatedEvent=(MemberTerminatedEvent)event;
      String serviceName=memberTerminatedEvent.getServiceName();
      String clusterId=memberTerminatedEvent.getClusterId();
      String memberId=memberTerminatedEvent.getMemberId();
      try {
        TopologyManager.acquireReadLockForCluster(serviceName,clusterId);
        removeMember(serviceName,clusterId,memberId);
      }
 catch (      Exception e) {
        log.error("String_Node_Str",e);
      }
 finally {
        TopologyManager.releaseReadLockForCluster(serviceName,clusterId);
      }
    }
  }
);
  addEventListener(new ClusterRemovedEventListener(){
    @Override protected void onEvent(    Event event){
      ClusterRemovedEvent clusterRemovedEvent=(ClusterRemovedEvent)event;
      String serviceName=clusterRemovedEvent.getServiceName();
      String clusterId=clusterRemovedEvent.getClusterId();
      try {
        TopologyManager.acquireReadLockForCluster(serviceName,clusterId);
        Service service=TopologyManager.getTopology().getService(serviceName);
        if (service == null) {
          if (log.isWarnEnabled()) {
            log.warn(String.format("String_Node_Str",serviceName));
          }
          return;
        }
        Cluster cluster=service.getCluster(clusterId);
        removeCluster(cluster);
      }
 catch (      Exception e) {
        log.error("String_Node_Str",e);
      }
 finally {
        TopologyManager.releaseReadLockForCluster(serviceName,clusterId);
      }
    }
  }
);
  addEventListener(new ServiceRemovedEventListener(){
    @Override protected void onEvent(    Event event){
      ServiceRemovedEvent serviceRemovedEvent=(ServiceRemovedEvent)event;
      String serviceName=serviceRemovedEvent.getServiceName();
      try {
        TopologyManager.acquireReadLockForService(serviceName);
        Service service=TopologyManager.getTopology().getService(serviceName);
        if (service == null) {
          if (log.isWarnEnabled()) {
            log.warn(String.format("String_Node_Str",serviceName));
          }
          return;
        }
        for (        Cluster cluster : service.getClusters()) {
          removeCluster(cluster);
        }
      }
 catch (      Exception e) {
        log.error("String_Node_Str",e);
      }
 finally {
        TopologyManager.releaseReadLockForService(serviceName);
      }
    }
  }
);
}