eclipse出现The user operation is waiting for “Building workplace” to complete 问题解决办法

Eclipse出现The user operation is waiting for “Building workplace” to complete 问题解决办法

解决办法：

右击选中项目->然后点击Properties->选中Builders->取消掉不需要的Builder->点击Apply  and Close 即可解决。 

如图所示：