问题描述
我刚刚更新到Hibernate 4.0，并看到警告消息:
I have just updated to Hibernate 4.0 and am seeing the warning message :
HHH000387: ResultSet's statement was not registered
在我的日志文件中.这是什么意思，我应该担心吗?
in my log files. What does this mean, and should I be worried?
推荐答案
此日志消息是ResultSet.getStatement()不返回最初要求创建ResultSet的Statement的标志. (这也可能表示内存泄漏.)使用JDBC包装器时可能会发生这种情况，因为有两个Statement对象:包装器/装饰器和基础的Statement.
This log message is a sign that ResultSet.getStatement() doesn't return the Statement which was originally asked to create the ResultSet. (It may also indicate a memory leak.) This can happen when using a JDBC wrapper, because there are two Statement objects: a wrapper/decorator and the underlying Statement.
在我的项目中，我有自己的JDBC包装器用于测试.我通过确保getStatement()返回原始Statement代理(不是一个新的代理)，而不是委派给基础的ResultSet(它将返回)，在我的ResultSet包装器中修复了此警告基础Statement).
In my project, I have my own JDBC wrapper for testing. I fixed this warning in my ResultSet wrapper by ensuring that getStatement() returns the original Statement proxy (not a new proxy), rather than delegating to the underlying ResultSet (which would return the underlying Statement).
任何产生类似警告的JDBC包装器都可能使用类似的修复程序. (类似的问题和修复可能适用于方法Statement.getConnection().)
Any JDBC wrapper which is producing similar warnings could probably use a similar fix. (A similar problem and fix may apply to the method Statement.getConnection().)
顺便说一下，这里有一个针对此日志记录的错误报告: https://hibernate. atlassian.net/browse/HHH-8210
By the way, there is a bug report for this logging here: https://hibernate.atlassian.net/browse/HHH-8210
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