严重:The web application [web01] appears to have started a thread named ...
Tomcat报错
严重:The web application [web01] appears to have started a thread named [PooledThread-1] but has failed to stop it. This is very likely to create a memory leak.
没有关闭ResultSet,PreparedStatement,Connection的后果。用完ResultSet,PreparedStatement,Connection对象后一定要关闭,不然占用很多内存。
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