c3p0配置数据源一直报错，虽然不影响开发，但是总是报错很让人难受，求大神们帮忙看看，10C币奉上

Question

以下是错误信息：
Failed to destroy resource: com.mchange.v2.c3p0.impl.NewPooledConnection@1e8491f3
java.lang.NullPointerException
at com.mysql.jdbc.StatementImpl.realClose(StatementImpl.java:2307)
at com.mysql.jdbc.PreparedStatement.realClose(PreparedStatement.java:2688)
at com.mysql.jdbc.ConnectionImpl.closeAllOpenStatements(ConnectionImpl.java:1489)
at com.mysql.jdbc.ConnectionImpl.realClose(ConnectionImpl.java:4289)
at com.mysql.jdbc.ConnectionImpl.close(ConnectionImpl.java:1461)
at com.mchange.v2.c3p0.impl.NewPooledConnection.close(NewPooledConnection.java:326)
at com.mchange.v2.c3p0.impl.NewPooledConnection.close(NewPooledConnection.java:115)
at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool$1.destroyResource(C3P0PooledConnectionPool.java:185)
at com.mchange.v2.resourcepool.BasicResourcePool$5.run(BasicResourcePool.java:576)
at com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:354)
下面是我配置数据源的配置信息：

Answer 1

貌似是connection归还出现了异常。而且里面有一个空指针异常。希望根据这个思路试试debug