我想在android项目中用apache的commons包，但是导入org.apache.commons.httpclient包就报错,(我甚至还没写任何代码)，而且类似的错误还有很多，都是出现以下警告
(org.apache.commons.httpclient.HttpMethodBase$1) that doesn't come with an associated EnclosingMethod attribute. This class was probably produced by a compiler that did not target the modern .class file format. The recommended solution is to recompile the class from source, using an up-to-date compiler and without specifying any "-target" type options. The consequence of ignoring this warning is that reflective operations on this class will incorrectly indicate that it is not an inner class
ps：这是我用吸墨api开发android阅读器是遇到的错误，有人用过吸墨api吗
(org.apache.commons.httpclient.HttpMethodBase$1) that doesn't come with an associated EnclosingMethod attribute. This class was probably produced by a compiler that did not target the modern .class file format. The recommended solution is to recompile the class from source, using an up-to-date compiler and without specifying any "-target" type options. The consequence of ignoring this warning is that reflective operations on this class will incorrectly indicate that it is not an inner class
ps：这是我用吸墨api开发android阅读器是遇到的错误，有人用过吸墨api吗
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