wro4j-core/src/main/java/ro/isdc/wro/http/support/ServletContextAttributeHelper.java
public void clear() {
    LOG.debug("destroying servletContext: {}", this.name);
    for (Attribute attribute : Attribute.values()) {
      servletContext.removeAttribute(getAttributeName(attribute));
    }
  }
public void clear() {
    LOG.debug("destroying servletContext: {}", this.name);
    for (Attribute attribute : Attribute.values()) {
      servletContext.removeAttribute(getAttributeName(attribute));
    }
  }
Remove all attributes from {@link ServletContext}.