> add additional synchronization? > But how? You should make sure, that one JDBC connections is not used from multiple threads simultaneously. You can, for example, acquire some lock before using it.
> Another thing, the JDBC connection can be closed automatically? Do you mean closing by timeout or something like that? There is nothing like that, AFAIK. JDBC connection can only close, if some corrupted messages are met, like in your case. Denis чт, 30 нояб. 2017 г. в 11:35, Lucky <wanxing...@163.com>: > Denis, > > Another thing, the JDBC connection can be closed automatically? > > > > >
