安装报错,输入新的admin密码后提交报错.

java.lang.NullPointerException
at com.jivesoftware.forum.database.DbAuthorizationFactory.createAuthorization(DbAuthorizationFactory.java:91)
at com.jivesoftware.forum.AuthorizationFactory.getAuthorization(AuthorizationFactory.java:57)
前面的4部正确,只是页面的默认编码是西欧字符,郁闷啊.
tomcat4.1.18,oracle8.1.16