Hibernate4 + c3p0 + Derby

优蛋•2022-11-13•随笔•阅读12

经过更多研究后，我发现明确地关闭所有连接可以解决此问题：

C3P0Registry.getNumPooledDataSources();@SuppressWarnings({ "unchecked", "rawtypes" })Iterator<Set> it = C3P0Registry.getPooledDataSources().iterator();while (it.hasNext()) {    try {dataSource = (PooledDataSource) it.next();dataSource.close();    } catch (Exception e) {logger.error(e);    }}

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