code: @Override
      public void open() throws InfoStoreException {
          String methodName = "open";
          try {
              getClassSource().open();
          } catch (ClassSource_Exception e) {
              // defect 84235:we are generating multiple Warning/Error messages for each error due to each level reporting them.
              // Disable the following warning and defer message generation to a higher level.
              // CWWKC0026W
              //Tr.warning(tc, "ANNO_INFOSTORE_OPEN1_EXCEPTION", getHashText(), getClassSource().getHashText());
  
              String eMsg = "[ " + getHashText() + " ] Failed to open class source ";
              throw InfoStoreException.wrap(tc, CLASS_NAME, methodName, eMsg, e);
          }
      }
docs: Open the InfoStore for processing. Primarily, this will open the ClassSources attached to this
  InfoStore which will then allow classes to be accessed.
  
  @throws InfoStoreException