code: @Override
      public synchronized ChainData[] startChainGroup(String groupName) throws ChannelException, ChainException, ChainGroupException {
          return startChainGroup(groupName, ChainStartMode.FAIL_EACH_SILENT);
      }
docs: /*
  @see
  com.ibm.wsspi.channelfw.ChannelFramework#startChainGroup(java.lang.String)