In this topic, you will learn how to use the Upcasting feature of XPO in XAF. It is useful when you need to combine base and derived classes in a single query.
在本主题中,您将学习如何在 XAF 中使用...
-- ::, WARN org.apache.hadoop.hdfs.qjournal.client.QuorumJournalManager: Remote journal 192.168.58.183: failed to write txns -. Will try to write to this JN again after the next log roll.
at o...