原因是这个项目的model获取地址现在被移除了，而且已经很久没有更新了。
所以我们只要把这个地址去掉就行了。
原来此处有一个地址，remove即可
https://blog.csdn.net/sjc170/article/details/102961231
eclipse 报错 code recommenders cannot download its model repository index
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eclipse code recommenders cannot download its model repository index
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