Program: 54482
Project: 54482
Buggy source:
private boolean initialSync() throws TryAgainException, FatalErrorException {
  LOGGER.info("String_Node_Str");
  callback.setConsistentState(false);
  HostAndPort syncSource;
  try {
    syncSource=syncSourceProvider.newSyncSource();
    LOGGER.info("String_Node_Str" + syncSource + "String_Node_Str");
  }
 catch (  NoSyncSourceFoundException ex) {
    throw new TryAgainException("String_Node_Str");
  }
  MongoClient remoteClient;
  try {
    remoteClient=remoteClientFactory.createClient(syncSource);
  }
 catch (  UnreachableMongoServerException ex) {
    throw new TryAgainException(ex);
  }
  try {
    LOGGER.debug("String_Node_Str");
    MongoConnection remoteConnection=remoteClient.openConnection();
    try {
      OplogReader reader=oplogReaderProvider.newReader(remoteConnection);
      OplogOperation lastClonedOp=reader.getLastOp();
      OpTime lastRemoteOptime1=lastClonedOp.getOpTime();
      try (WriteOplogTransaction oplogTransaction=oplogManager.createWriteTransaction()){
        LOGGER.info("String_Node_Str");
        oplogTransaction.truncate();
        LOGGER.info("String_Node_Str");
        Status<?> status=dropDatabases();
        if (!status.isOk()) {
          throw new TryAgainException("String_Node_Str" + status);
        }
        LOGGER.info("String_Node_Str");
        if (!isRunning()) {
          LOGGER.warn("String_Node_Str");
          return false;
        }
        LOGGER.info("String_Node_Str");
        cloneDatabases(remoteClient);
        LOGGER.info("String_Node_Str");
        oplogTransaction.forceNewValue(lastClonedOp.getHash(),lastClonedOp.getOpTime());
      }
       if (!isRunning()) {
        LOGGER.warn("String_Node_Str");
        return false;
      }
      try (MongodConnection connection=server.openConnection();WriteMongodTransaction trans=connection.openWriteTransaction()){
        OpTime lastRemoteOptime2=reader.getLastOp().getOpTime();
        LOGGER.info("String_Node_Str");
        applyOplog(trans,reader,lastRemoteOptime1,lastRemoteOptime2);
        trans.commit();
        LOGGER.info("String_Node_Str");
        if (!isRunning()) {
          LOGGER.warn("String_Node_Str");
          return false;
        }
        OplogOperation lastOperation=reader.getLastOp();
        OpTime lastRemoteOptime3=lastOperation.getOpTime();
        LOGGER.info("String_Node_Str");
        applyOplog(trans,reader,lastRemoteOptime2,lastRemoteOptime3);
        trans.commit();
        LOGGER.info("String_Node_Str");
        if (!isRunning()) {
          LOGGER.warn("String_Node_Str");
          return false;
        }
        LOGGER.info("String_Node_Str");
        rebuildIndexes();
        trans.commit();
        LOGGER.info("String_Node_Str");
        if (!isRunning()) {
          LOGGER.warn("String_Node_Str");
          return false;
        }
        trans.commit();
      }
     }
 catch (    OplogStartMissingException ex) {
      throw new TryAgainException(ex);
    }
catch (    OplogOperationUnsupported ex) {
      throw new TryAgainException(ex);
    }
catch (    MongoException|RollbackException ex) {
      throw new TryAgainException(ex);
    }
catch (    OplogManagerPersistException ex) {
      throw new FatalErrorException();
    }
catch (    UserException ex) {
      throw new FatalErrorException(ex);
    }
    callback.setConsistentState(true);
    LOGGER.info("String_Node_Str");
  }
  finally {
    remoteClient.close();
  }
  return true;
}

Fixed version (ground truth):
private boolean initialSync() throws TryAgainException, FatalErrorException {
  LOGGER.info("String_Node_Str");
  callback.setConsistentState(false);
  HostAndPort syncSource;
  try {
    syncSource=syncSourceProvider.newSyncSource();
    LOGGER.info("String_Node_Str" + syncSource + "String_Node_Str");
  }
 catch (  NoSyncSourceFoundException ex) {
    throw new TryAgainException("String_Node_Str");
  }
  MongoClient remoteClient;
  try {
    remoteClient=remoteClientFactory.createClient(syncSource);
  }
 catch (  UnreachableMongoServerException ex) {
    throw new TryAgainException(ex);
  }
  try {
    LOGGER.debug("String_Node_Str");
    MongoConnection remoteConnection=remoteClient.openConnection();
    try (OplogReader reader=oplogReaderProvider.newReader(remoteConnection)){
      OplogOperation lastClonedOp=reader.getLastOp();
      OpTime lastRemoteOptime1=lastClonedOp.getOpTime();
      try (WriteOplogTransaction oplogTransaction=oplogManager.createWriteTransaction()){
        LOGGER.info("String_Node_Str");
        oplogTransaction.truncate();
        LOGGER.info("String_Node_Str");
        Status<?> status=dropDatabases();
        if (!status.isOk()) {
          throw new TryAgainException("String_Node_Str" + status);
        }
        LOGGER.info("String_Node_Str");
        if (!isRunning()) {
          LOGGER.warn("String_Node_Str");
          return false;
        }
        LOGGER.info("String_Node_Str");
        cloneDatabases(remoteClient);
        LOGGER.info("String_Node_Str");
        oplogTransaction.forceNewValue(lastClonedOp.getHash(),lastClonedOp.getOpTime());
      }
       if (!isRunning()) {
        LOGGER.warn("String_Node_Str");
        return false;
      }
      try (MongodConnection connection=server.openConnection();WriteMongodTransaction trans=connection.openWriteTransaction()){
        OpTime lastRemoteOptime2=reader.getLastOp().getOpTime();
        LOGGER.info("String_Node_Str");
        applyOplog(trans,reader,lastRemoteOptime1,lastRemoteOptime2);
        trans.commit();
        LOGGER.info("String_Node_Str");
        if (!isRunning()) {
          LOGGER.warn("String_Node_Str");
          return false;
        }
        OplogOperation lastOperation=reader.getLastOp();
        OpTime lastRemoteOptime3=lastOperation.getOpTime();
        LOGGER.info("String_Node_Str");
        applyOplog(trans,reader,lastRemoteOptime2,lastRemoteOptime3);
        trans.commit();
        LOGGER.info("String_Node_Str");
        if (!isRunning()) {
          LOGGER.warn("String_Node_Str");
          return false;
        }
        LOGGER.info("String_Node_Str");
        rebuildIndexes();
        trans.commit();
        LOGGER.info("String_Node_Str");
        if (!isRunning()) {
          LOGGER.warn("String_Node_Str");
          return false;
        }
        trans.commit();
      }
     }
 catch (    OplogStartMissingException ex) {
      throw new TryAgainException(ex);
    }
catch (    OplogOperationUnsupported ex) {
      throw new TryAgainException(ex);
    }
catch (    MongoException|RollbackException ex) {
      throw new TryAgainException(ex);
    }
catch (    OplogManagerPersistException ex) {
      throw new FatalErrorException();
    }
catch (    UserException ex) {
      throw new FatalErrorException(ex);
    }
    callback.setConsistentState(true);
    LOGGER.info("String_Node_Str");
  }
  finally {
    remoteClient.close();
  }
  return true;
}