< Docs
  • Java


MilvusClient interface. This method drops a role. It will succeed if the role exists, otherwise fail.

R<RpcStatus> dropRole(DropRoleParam requestParam);


Use the DropRoleParam.Builder to construct a DropRoleParam object.

import io.milvus.param.DropRoleParam;
DropRoleParam.Builder builder = DropRoleParam.newBuilder();

Methods of DropRoleParam.Builder:

Method Description Parameters
withRoleName(String roleName) Sets the roleName. RoleName cannot be empty or null. roleName: The role name used to create the privilege.
build() Construct a DropRoleParam object. N/A

The can throw the following exceptions:

  • ParamException: error if the parameter is invalid.


This method catches all the exceptions and returns an R<RpcStatus> object.

  • If the API fails on the server side, it returns the error code and message from the server.

  • If the API fails by RPC exception, it returns R.Status.Unknown and error message of the exception.

  • If the API succeeds, it returns R.Status.Success.


import io.milvus.param.DropRoleParam;

R<RpcStatus> response = client.dropRole(DropRoleParam.newBuilder()

if (response.getStatus() != R.Status.Success.getCode()) {
    throw new RuntimeException(response.getMessage());