rollback时连接不上jdbc

INFO relational.LCNStartConnection: rollback label
[05/12/18 04:23:44:044 CST] DubboServerHandler-192.168.17.113:20009-thread-2 DEBUG datasource.DataSourceTransactionManager: Could not reset JDBC Connection after transaction
java.sql.SQLException: connection holder is null
at com.alibaba.druid.pool.DruidPooledConnection.checkStateInternal(DruidPooledConnection.java:1157)
at com.alibaba.druid.pool.DruidPooledConnection.checkState(DruidPooledConnection.java:1148)
at com.alibaba.druid.pool.DruidPooledConnection.setAutoCommit(DruidPooledConnection.java:701)
at com.codingapi.tx.datasource.relational.LCNStartConnection.setAutoCommit(LCNStartConnection.java:199)
at org.springframework.jdbc.datasource.DataSourceTransactionManager.doCleanupAfterCompletion(DataSourceTransactionManager.java:374)
at org.springframework.transaction.support.AbstractPlatformTransactionManager.cleanupAfterCompletion(AbstractPlatformTransactionManager.java:1007)
at org.springframework.transaction.support.AbstractPlatformTransactionManager.processRollback(AbstractPlatformTransactionManager.java:878)
at org.springframework.transaction.support.AbstractPlatformTransactionManager.rollback(AbstractPlatformTransactionManager.java:812)
at org.springframework.transaction.interceptor.TransactionAspectSupport.completeTransactionAfterThrowing(TransactionAspectSupport.java:551)
at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:298)