编译我的资产时遇到错误，但是rake或sprockets或堆栈中的某些内容正在吞噬它
** Execute assets:precompile:primary
uninitialized constant #<Class:0x007fae6cb3dd88>::FooBar
Command failed with status (1): [/Users/john/.rbenv/versions/1.9.3-p385-per...]
我如何获得更多细节？我正在用--trace --verbose