打包jar出现Exported with compile errors 一类错误的解决方法_exported with compile warnings

JAR creation failed. See details for additional information.
  Exported with compile errors: monitor_cms/src/cn/seisys/db/DataHandleUtil.java
  Exported with compile warnings: monitor_cms/src/cn/seisys/db/DataHandleUtil.java
  Class files on classpath not found or not accessible for: 'monitor_cms/src/cn/seisys/db/MiniConnectionPoolManager.java'
  Exported with compile warnings: monitor_cms/src/cn/seisys/db/JDBCUtil.java
  Exported with compile errors: monitor_cms/src/cn/seisys/main/MonitorMain.java
  Exported with compile warnings: monitor_cms/src/cn/seisys/modbus/ModbusUtil.java
  Exported with compile warnings: monitor_cms/src/cn/seisys/thread/ClientMesHandleThread.java
  Exported with compile warnings: monitor_cms/src/cn/seisys/thread/CMSReadThread.java
  Exported with compile warnings: monitor_cms/src/cn/seisys/util/GBKCodeUtil.java
  Exported with compile warnings: monitor_cms/src/cn/seisys/websocket/SocketChannelIOHelper.java
  Exported with compile warnings: monitor_cms/src/cn/seisys/websocket/drafts/Draft_10.java
  Exported with compile warnings: monitor_cms/src/cn/seisys/websocket/exceptions/WebsocketNotConnectedException.java
 

如上图出现这类错误时是由于代码里面存在整个类全部注释掉的情况，把类删除或者保留类定义即可。