用户为空

Irish bull───n.自相矛盾的说法

herring gull───银鸥（等于Larusargentatus）

history is full of───历史充满了

sea gull───海鸥

seal cull───在那里挑选

semibull───n.准诏书

sth is up───某物出事了

Therefore, if you can make sure that a null locale is returned from the user's profile, then WebSphere Portal must use the locale it gets from the request header.───因此，如果您可以确保从用户的概要返回空区域设置，则WebSphere Portal必须使用其从请求Header获得的区域设置。

If a row is returned from the database, the UserBean is populated with non-null user name and password member variables.───如果从数据库返回了一行，则使用非空的用户名和密码成员变量来填充userbean。

Any user without a defined password is considered to have a NULL password.───没有定义口令的任何用户都被视作使用NULL口令。

When user is NULL, the step runs in the job owner's user context on database.───如果user为NULL，则该步骤将在database中的作业所有者用户上下文中运行。