摘要： 在Eclipse 3.2 + MyEclipse 5.0 中编译的class文件，发布到WebSphere Application Server 6.0中。报错：Error 500: java.lang.LinkageError: LinkageError while defining class: xxxx Could not be defined due to: xxxxxx (Unsupported major.minor version 49.0) This is often caused by having a class defined at multiple locations 阅读全文