Salesforce 如何创建销售队伍'；用户'；使用RESTAPI？

我正在尝试在SFDC中创建一个用户，并在Java客户机上使用RESTAPI。 请查看下面的代码，并帮助我理解为什么我会收到下面的错误消息：

HTTP Status 400 ::
{
errorCode: "NOT_FOUND"
message: "The requested resource does not exist"
}

代码：

---

我使用Chrome Postman插件发布了以下内容：

请注意，资源URL被设置为：（我假设您位于AP1上，基于ProfileId中的）

我得到的答复是：

[
    {
        "message": "Duplicate Username.<br>The username already exists in this or another Salesforce organization. Usernames must be unique across all Salesforce organizations. To resolve, use a different username (it doesn't need to match the user's email address). ",
        "errorCode": "DUPLICATE_USERNAME",
        "fields": [
            "Username"
        ]
    }
]

---

特别是，请检查

instanceURL

上是否没有尾随斜杠。我使用Chrome Postman插件发布了以下内容：

请注意，资源URL被设置为：（我假设您位于AP1上，基于ProfileId中的）

我得到的答复是：

[
    {
        "message": "Duplicate Username.<br>The username already exists in this or another Salesforce organization. Usernames must be unique across all Salesforce organizations. To resolve, use a different username (it doesn't need to match the user's email address). ",
        "errorCode": "DUPLICATE_USERNAME",
        "fields": [
            "Username"
        ]
    }
]

---

特别是，请检查

instanceURL

上是否没有尾随斜杠。也许您的帐户没有访问用户对象的权限？也许您的帐户没有访问用户对象的权限？

[
    {
        "message": "Duplicate Username.<br>The username already exists in this or another Salesforce organization. Usernames must be unique across all Salesforce organizations. To resolve, use a different username (it doesn't need to match the user's email address). ",
        "errorCode": "DUPLICATE_USERNAME",
        "fields": [
            "Username"
        ]
    }
]

https://ap1.salesforce.com/services/data/v29.0/sobjects/User