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java 提示Operation not allowed after ResultSet closed
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A ResultSet object is automatically closed when the Statement object that generated it is closed, re-executed, or used to retrieve the next result from a sequence of multiple results.
This tutorial will discuss the operation not allowed after resultset closed error in Java.
Learn how to fix java.sql.SQLException: Operation not allowed after ResultSet closed, including causes, solutions, and tips for better results.
Moreover, in scenarios where additional ResultSet objects are derived from the same Statement, as seen with the rs instance in the calling code snippet, failing to close these result sets exacerbates the issue. To mitigate the java.sql.SQLException: Operation not allowed after ResultSet closed error, developers must diligently manage their ResultSet instances and ensure appropriate closure ...
文章浏览阅读862次。 文章讨论了在Java中，当ResultSet在未显式关闭的情况下，由于数据库连接关闭导致的OperationnotallowedafterResultSetclosed错误。 解决办法是确保在操作ResultSet之前先关闭连接。
# 问题描述 使用JDBC连接数据库时，出现这个错误，我还能看出来，应该是我使用完Statement、ResultSet等之后，关闭close方法的顺序错误 # 问题解决 查阅资料发现，是一个stmt同时对应了多个rs对象，然后用完一个就关闭它，导致第二个rs不能正常使用，所以可以这么解决： 要么，
A ResultSet is a database cursor that holds the results of a SQL query. It is not a standalone object; its lifecycle is tightly linked to the Statement that created it and the Connection that created the Statement.
如果您在使用JDBC对数据库进行dump时，出现了java.sql.SQLException: Operation not allowed after ResultSet closed异常，这通常是由于已经关闭的ResultSet对象被再次使用导致的。 在您的情况下，可能是由于连接池中的某些连接在使用过程中出现了问题，从而导致ResultSet对象在没有完全使用完毕的情况下被关闭。当您 ...
Troubleshooting the 'java.sql.sqlexception: operation not allowed after resultset closed' error: incorrect JDBC code, database connection issues, and more. Learn how to fix it here! (java.sql.sqlexception: operation not allowed after resultset closed)
Errors like java.sql.SQLException: Operation not allowed after ResultSet closed can be avoided with good practices in resource management.