Примеры ошибок, обнаруженных с помощью диагностики V6082

V6082. Unsafe double-checked locking.

WildFly

V6082 Unsafe double-checked locking. A previously assigned object may be replaced by another object. JspApplicationContextWrapper.java(74), JspApplicationContextWrapper.java(72)

private volatile ExpressionFactory factory;
....
@Override
public ExpressionFactory getExpressionFactory() {
  if (factory == null) {
    synchronized (this) {
      if (factory == null) {
        factory = delegate.getExpressionFactory();
        for (ExpressionFactoryWrapper wrapper : wrapperList) {
          factory = wrapper.wrap(factory, servletContext);
        }
      }
    }
  }
  return factory;
}