刚刚接触ssh2框架，并进行基于配置文件的整合，以下问题虽不影响运行，但希望知道该如何解决？

Question

SSH2整合运行过程中所遇问题：1、Multiple annotations found at this line:       - schema_reference.4: Failed to read schema document 'http://www.springframework.org/schema/beans/spring-beans-3.1.xsd', because 1) could        not find the document; 2) the document could not be read; 3) the root element of the document is not <xsd:schema>.       - cvc-elt.1: Cannot find the declaration of element 'beans'.解决如下：  2、log4j:WARN No appenders could be found for logger (org.springframework.core.env.StandardEnvironment).log4j:WARN Please initialize the log4j system properly.log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.