http_url配置正确

在将单个数据库系统转换为多租户数据库容器系统之后，无法通过URL访问新租户数据库的独立XS引擎服务。调用相应的URL会产生这样的错误：503服务不可用

Solution （启用租户数据库引擎的嵌套模式（HDD不用） 或添加单独引擎，需要重启数据库）

1. Enable the embedded XS Engine of the indexserver by executing the following statements on the system database:
   ALTER SYSTEM ALTER CONFIGURATION (‘xsengine.ini’, ‘database’, ‘’) SET (‘httpserver’, ‘embedded’) = ‘true’ with reconfigure;
   ALTER SYSTEM STOP ; (ALTER SYSTEM STOP DATABASE HSD)
   ALTER SYSTEM START ; (ALTER SYSTEM START DATABASE HSD)

2. Add a new standalone XS Engine for the tenant database by executing the following statements on the system database:
   ALTER DATABASE ADD ‘xsengine’