If the database connection fails, the connection error message may be output.
当数据库连接失败时，会输出连接错误消息。
The text output in the case of an error making the connection to the database is not wrapped in any kind of markup because simple output displays correctly on the phone without the markup.
如果出现数据库连接错误，文本输出不需要封装到任何标记中，因为简单输出无需任何标记即可在此电话上正确显示。
The system level error includes syntactical error, null pointer exception, web service timeout, database connection timeout, and so on.
系统级错误包括语法错误、空指针异常、web服务超时、数据库连接超时等。
The cause of the error message is the way the connection to the database was established: db2 "connect to MYSAMPLE".
这个错误消息是由于建立数据库连接的方式造成的：db 2 “CONNECTTO MYSAMPLE ”。
To force a lock timeout error, establish a first database connection and execute some SQL statements simulating a real transaction on the table employee.
为了促使一个锁定超时错误发生，我们首先建立一个数据库连接，并执行一些sql语句来模拟表employee上的真实事务。
This error can occur if the Hibernate session and associated database connection is closed after the object was retrieved, but before the association was accessed.
如果在获取对象之后关闭Hibernate会话和相关联的数据库连接，在访问关联之前没有恢复，那么就会发生这种错误。
Question: When I build splogger, I get a "database connection does not exist" error during the execution of spcat.
问题：当编译 splogger 时，在执行 spcat 的过程中会看到 “database connectiondoesnotexist”错误，这是怎么回事？
Database connection error, Please contact the webmaster!
数据库连接出错，请联系管理员排除错误！
Database connection error, Please contact the webmaster!
数据库连接出错，请联系管理员排除错误！
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