HBase 1.x and 2.x are major versions, meaning their entire APIs are incompatible, including client-to-server. Refer to this section for more information: https://hbase.apache.org/book.html#hbase.versioning
On Tue, 2023-07-11 at 20:01 +0800, wangmiao wrote: > Hello Team, > > > We are working on a cluster and upgrading the hbase version from 1.2.0 to > 2.4.9. > The client's hbase-client version is still 1.2.0. There was an issue > accessing 2.4.9. After region migration, the client will not recognize > the new region information and the following error will occur > > org.apache.hadoop.hbase.NotServingRegionException: > org.apache.hadoop.hbase.NotServingRegionException: hbase:meta,,1 is not > online on dx- > hbaseservice00.dx,16020,1 > > > May I ask how to solve this problem without upgrading the client version? If > you need to upgrade the version, are there any other > compatibility issues? > > > > > thanks > Miao Wang > > >
