Program: 134785
Project: 134785
Buggy source:
/** 
 * Initializes Manager.
 * @param prevayler			implementation of prevayler system
 * @param context				remote directory implementation
 */
public void initialize(Prevayler prevayler,CDBAccess cdbAccess,Context context,Logger logger,ManagerContainerServices managerContainerServices){
  this.prevayler=prevayler;
  this.remoteDirectory=context;
  this.logger=logger;
  initializeDefaultConfiguration();
  if (cdbAccess != null)   setCDBAccess(cdbAccess);
  readManagerConfiguration();
  random=new Random();
  heartbeatTask=new Timer(true);
  delayedDeactivationTask=new Timer(true);
  containerLoggedInMonitor=new Object();
  activationSynchronization=new HashMap();
  activationPendingRWLock=new ReaderPreferenceReadWriteLock();
  shutdown=new AtomicBoolean(false);
  threadPool=new ThreadPoolExecutor(poolThreads,poolThreads,Long.MAX_VALUE,TimeUnit.NANOSECONDS,new LinkedBlockingQueue(),new DaemonThreadFactory("String_Node_Str"));
  managerCache=new HashMap();
  pendingActivations=new HashMap();
  pendingContainerShutdown=Collections.synchronizedSet(new HashSet());
  clientMessageQueue=new HashMap<Client,LinkedList<ClientMessageTask>>();
  groupedNotifyTaskMap=new HashMap<Object,GroupedNotifyTask>();
  threadsUsedPrecentage=new AtomicInteger(0);
  threadPool.prestartAllCoreThreads();
  try {
    String componentSpec=System.getProperty(NAME_CDB_COMPONENTSPEC);
    if (componentSpec != null) {
      cdbActivation=new ComponentSpec(componentSpec);
      logger.log(Level.INFO,"String_Node_Str" + cdbActivation + "String_Node_Str");
    }
  }
 catch (  Throwable t) {
    logger.log(Level.WARNING,"String_Node_Str" + NAME_CDB_COMPONENTSPEC + "String_Node_Str"+ t.getMessage(),t);
  }
  checkLoadBalancingStrategy();
  try {
    alarmSource=new AlarmSourceImpl(managerContainerServices);
    alarmSource.start();
  }
 catch (  Throwable ex) {
    logger.log(Level.SEVERE,"String_Node_Str" + ex.getMessage(),ex);
    alarmSource=null;
  }
  initializePingTasks();
  topologySortManager=new ComponentInfoTopologicalSortManager(components,containers,activationPendingRWLock,pendingContainerShutdown,threadPool,logger);
}

Fixed version (ground truth):
/** 
 * Initializes Manager.
 * @param prevayler			implementation of prevayler system
 * @param context				remote directory implementation
 */
public void initialize(Prevayler prevayler,CDBAccess cdbAccess,Context context,Logger logger,ManagerContainerServices managerContainerServices){
  this.prevayler=prevayler;
  this.remoteDirectory=context;
  this.logger=logger;
  initializeDefaultConfiguration();
  if (cdbAccess != null)   setCDBAccess(cdbAccess);
  readManagerConfiguration();
  random=new Random();
  heartbeatTask=new Timer(true);
  delayedDeactivationTask=new Timer(true);
  containerLoggedInMonitor=new Object();
  activationSynchronization=new HashMap<String,ReferenceCountingLock>();
  activationPendingRWLock=new ReaderPreferenceReadWriteLock();
  shutdown=new AtomicBoolean(false);
  threadPool=new ThreadPoolExecutor(poolThreads,poolThreads,Long.MAX_VALUE,TimeUnit.NANOSECONDS,new LinkedBlockingQueue(),new DaemonThreadFactory("String_Node_Str"));
  managerCache=new HashMap<String,Manager>();
  pendingActivations=new HashMap<String,ComponentInfo>();
  pendingContainerShutdown=Collections.synchronizedSet(new HashSet<String>());
  clientMessageQueue=new HashMap<Client,LinkedList<ClientMessageTask>>();
  groupedNotifyTaskMap=new HashMap<Object,GroupedNotifyTask>();
  threadsUsedPrecentage=new AtomicInteger(0);
  threadPool.prestartAllCoreThreads();
  try {
    String componentSpec=System.getProperty(NAME_CDB_COMPONENTSPEC);
    if (componentSpec != null) {
      cdbActivation=new ComponentSpec(componentSpec);
      logger.log(Level.INFO,"String_Node_Str" + cdbActivation + "String_Node_Str");
    }
  }
 catch (  Throwable t) {
    logger.log(Level.WARNING,"String_Node_Str" + NAME_CDB_COMPONENTSPEC + "String_Node_Str"+ t.getMessage(),t);
  }
  checkLoadBalancingStrategy();
  try {
    alarmSource=new AlarmSourceImpl(managerContainerServices);
    alarmSource.start();
  }
 catch (  Throwable ex) {
    logger.log(Level.SEVERE,"String_Node_Str" + ex.getMessage(),ex);
    alarmSource=null;
  }
  initializePingTasks();
  topologySortManager=new ComponentInfoTopologicalSortManager(components,containers,activationPendingRWLock,pendingContainerShutdown,threadPool,logger);
}