public void clearQueries(){
  for (  AutoCloseable rsrc : refs.values()) {
    try {
      rsrc.close();
    }
 catch (    Exception e) {
      U.error(log,"Failed to close iterator.",e);
    }
  }
  refs.clear();
}

public void clearQueries ( ) { for ( AutoCloseable rsrc : refs . values ( ) ) { try { rsrc . close ( ) ; } catch ( Exception e ) { U . error ( log , "Failed to close iterator." , e ) ; } } refs . clear ( ) ; }
cancel all cache queries .
