nutz-book-project是否可以去掉redis，在setup的启动时候去掉redis，dao报错了
严重: Exception starting filter nutz
org.nutz.mvc.LoadingException: org.nutz.dao.DaoException: org.nutz.el.ElException: no such key=ig
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at org.nutz.lang.born.ConstructorBorning.born(ConstructorBorning.java:17)
at org.nutz.lang.born.BornContext.doBorn(BornContext.java:60)
at org.nutz.lang.Mirror.born(Mirror.java:990)
at org.nutz.lang.Lang.wrapThrow(Lang.java:196)
at org.nutz.mvc.impl.NutLoading.load(NutLoading.java:135)
at org.nutz.mvc.ActionHandler.(ActionHandler.java:19)
at org.nutz.mvc.NutFilter._init(NutFilter.java:87)
at org.nutz.mvc.NutFilter.init(NutFilter.java:65)
at org.apache.catalina.core.ApplicationFilterConfig.initFilter(ApplicationFilterConfig.java:279)
at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:260)
at org.apache.catalina.core.ApplicationFilterConfig.(ApplicationFilterConfig.java:105)
at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:4700)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5340)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1408)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1398)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
Caused by: org.nutz.dao.DaoException: org.nutz.el.ElException: no such key=ig