如果报错Error 500: LinkageError while defining class: org.apache.commons.dbcp.***
请更换commons.dbcp至commons-dbcp-1.3.jar即可...so easy啊!!今天恶心坏了,websphere果然是个大奇葩,大奇葩!!
报错日志：
Error 500: LinkageError while defining class: org.apache.commons.dbcp.ConnectionFactory Could not be defined due to: (org/apache/commons/dbcp/ConnectionFactory) bad major version at offset=6 This is often caused by having a class defined at multiple locations within the classloader hierarchy. Other potential causes include compiling against an older or newer version of the class that has an incompatible method signature. Dumping the current context classloader hierarchy: ==> indicates defining