Navicat 连接 Oracle 报 ORA-03135: connection lost contact
ORA-28547: connection to server failed, probable Oracle Net admin error
oci.dll 版本太低，需要重新下载并指定

下载：​​instantclient-basic-windows.x64-21.7.0.0.0dbru.zip​​

Navicat 连接Oracle ORA-28547: connection to server failed, probable Oracle Net admin error_bc

Navicat 连接Oracle ORA-28547: connection to server failed, probable Oracle Net admin error_bc_02


Navicat 连接Oracle ORA-28547: connection to server failed, probable Oracle Net admin error_oracle_03


Navicat 连接Oracle ORA-28547: connection to server failed, probable Oracle Net admin error_xml_04


Navicat 连接Oracle ORA-28547: connection to server failed, probable Oracle Net admin error_oracle_05

his:
  #Oracle
  driver-class-name: oracle.jdbc.driver.OracleDriver  
  #url: jdbc:oracle:thin:@//<host>:<port>/<SERVICE_NAME>  服务名的方式连接
  #url: jdbc:oracle:thin:@<host>:<port>:<SID>             SID 的方式连接
  url: jdbc:oracle:thin:@172.16.17.4:1521/his_db
  username: his
  password: hispwd
  #用来检测连接是否有效的sql 必须是一个查询语句（ mysql中为 select 'x'  oracle中为 select 1 from dual）
  validation-query: select 1 from dual 
  #将MyBatis Mapper xml 放到 jar 包外面，发布时改成 file:mapper/hospital/*.xml
  mapper-locations: classpath*:mapper/hospital/*.xml