Version information
Release date: October 18, 2022
Version: V2.4.0
Overview
OceanBase Connector/J V2.4.0 supports the OB2.0 protocol and coordinates with OceanBase Database and OceanBase Database Proxy (ODP) to provide the end-to-end tracing feature. The version is recommended for general businesses. We recommend that you use it with OceanBase Database V4.0.0.
Enhanced features
The OB2.0 protocol is supported. You can use the
useOceanBaseProtocolV20parameter to enable or disable the protocol. By default, the protocol is enabled.This version provides the end-to-end tracing feature in coordination with OceanBase Database and ODP. You can use the
enableFullLinkTraceparameter to enable or disable the feature. By default, the feature is disabled. WhenenableFullLinkTraceis set totrue,useOceanBaseProtocolV20is forcibly set totrue.
Bug fixes
Fixed an issue that when network fluctuations occur, the following exception is reported for the load balancing of the daemon thread:
No active connection found for master.Fixed an issue of the ArrayBinding feature that the
setNullmethod causes the server to return exceptions.Fixed an issue that if both the PreparedStatement and PrepareExecute protocols are enabled, when a procedure is recursively called, PreparedStatement is closed only at the first time.