Hibernate执行100,000级批量插入操作并报告错误
希望从各界寻求帮助的哥哥
[ERROR] 2019-04-28 13:24:28,652 org.c.event.def.AbstractFlushingEventListener - Could not synchronize database state with session
org.hibernate.exception.GenericJDBCException: could not insert: [com.eplugger.netSearch.paper.entity.NetSearchPaper]
[ERROR] 2019-04-28 13:24:28,743 org.hibernate.transaction.JDBCTransaction - Could not toggle autocommit
java.sql.SQLException: connection holder is null
Caused by: java.sql.SQLException: connection holder is null
at com.alibaba.druid.pool.DruidPooledConnection.checkStateInternal(DruidPooledConnection.java:1140)
at com.alibaba.druid.pool.DruidPooledConnection.checkState(DruidPooledConnection.java:1131)
at com.alibaba.druid.pool.DruidPooledConnection.prepareStatement(DruidPooledConnection.java:333)
at org.hibernate.jdbc.AbstractBatcher.getPreparedStatement(AbstractBatcher.java:497)
at org.hibernate.jdbc.AbstractBatcher.prepareStatement(AbstractBatcher.java:94)
at org.hibernate.jdbc.AbstractBatcher.prepareStatement(AbstractBatcher.java:87)
at org.hibernate.jdbc.AbstractBatcher.prepareBatchStatement(AbstractBatcher.java:218)
at org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:2174)
... 139 more