Hibernate: XXXX is not matted

本文介绍了一种使用HQL进行查询的方法,强调了在HQL中使用实体类名称而非数据库表名的重要性,并提供了一个具体的示例。

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1. HQL里面查询的from表名要是映射的对应实体类的名称,而不是数据库里面的表名.

public List<Users> selectUsersAll() {
		String hql = "from Users as u";
		Query query = getSession().createQuery(hql);
		return query.list();
	}
2.



5-03-20 00:25:24,075 INFO metrics.TopMetrics: NNTop conf: dfs.namenode.top.windows.minutes = 1,5,25 2025-03-20 00:25:24,081 INFO namenode.FSNamesystem: Retry cache on namenode is enabled 2025-03-20 00:25:24,081 INFO namenode.FSNamesystem: Retry cache will use 0.03 of total heap and retry c ache entry expiry time is 600000 millis2025-03-20 00:25:24,085 INFO util.GSet: Computing capacity for map NameNodeRetryCache 2025-03-20 00:25:24,085 INFO util.GSet: VM type = 64-bit 2025-03-20 00:25:24,085 INFO util.GSet: 0.029999999329447746% max memory 405.5 MB = 124.6 KB 2025-03-20 00:25:24,085 INFO util.GSet: capacity = 2^14 = 16384 entries 2025-03-20 00:25:24,293 INFO namenode.FSImage: Allocated new BlockPoolId: BP-241692134-192.168.3.111-17 424015242842025-03-20 00:25:24,312 INFO common.Storage: Storage directory /data/namenode has been successfully for matted.2025-03-20 00:25:24,347 INFO namenode.FSImageFormatProtobuf: Saving image file /data/namenode/current/f simage.ckpt_0000000000000000000 using no compression2025-03-20 00:25:24,571 INFO namenode.FSImageFormatProtobuf: Image file /data/namenode/current/fsimage. ckpt_0000000000000000000 of size 399 bytes saved in 0 seconds .2025-03-20 00:25:24,586 INFO namenode.NNStorageRetentionManager: Going to retain 1 images with txid >= 02025-03-20 00:25:24,600 INFO blockmanagement.DatanodeManager: Slow peers collection thread shutdown 2025-03-20 00:25:24,604 INFO namenode.FSNamesystem: Stopping services started for active state 2025-03-20 00:25:24,605 INFO namenode.FSNamesystem: Stopping services started for standby state 2025-03-20 00:25:24,609 INFO namenode.FSImage: FSImageSaver clean checkpoint: txid=0 when meet shutdown .2025-03-20 00:25:24,609 INFO namenode.NameNode: SHUTDOWN_MSG: /************************************************************ SHUTDOWN_MSG: Shutting down NameNode at node11/192.168.3.111 ************************************************************/ [root@node11 ~]# start-dfs.sh Starting namenodes on [
03-20
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