1 Caused by: java.lang.IllegalArgumentException: null source
2 at java.util.EventObject.<init>(EventObject.java:38)
3 at javax.sql.StatementEvent.<init>(StatementEvent.java:39)
4 at com.mysql.jdbc.jdbc2.optional.JDBC4PreparedStatementWrapper.close(JDBC4PreparedStatementWrapper.java:70)
5 at com.caucho.sql.UserStatement.close(UserStatement.java:163)
6 at com.caucho.sql.UserPreparedStatement.close(UserPreparedStatement.java:727)
开始使用的是：mysql-connector-java-5.1.6-bin
更换新的mysql驱动包就没问题了（mysql-connector-java-5.1.11-bin）