![創意變現工作坊 臺灣藍鵲茶黃柏鈞談生態農學與社企經驗](https://i.imgur.com/hm8hkN4.jpg)
2020年9月22日—黃柏鈞曾任荒野保護協會保育部主任、中華民國野鳥學會秘書長,目前是台大城鄉所博士候選人,一生職涯總與生態、保育緊緊相連。
![創意變現工作坊 臺灣藍鵲茶黃柏鈞談生態農學與社企經驗](https://i.imgur.com/hm8hkN4.jpg)
Type Exception Report
Description The server encountered an unexpected condition that prevented it from fulfilling the request.
Exception
java.lang.NullPointerException tw.edu.nccu.registration.servlet.RegistrationAction.doConferenceInfo(RegistrationAction.java:173) tw.edu.nccu.registration.servlet.RegistrationAction.perform(RegistrationAction.java:46) tw.edu.nccu.registration.servlet.Controller.doGet(Controller.java:66) javax.servlet.http.HttpServlet.service(HttpServlet.java:634) javax.servlet.http.HttpServlet.service(HttpServlet.java:741) org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)Note The full stack trace of the root cause is available in the server logs.
Apache Tomcat/8.5.54相關分類資訊