更新后IntelliJ不适用于Java 8
[英]IntelliJ does not work with Java 8 after update
问题描述
So, 2 days ago everything was working perfectly. 
因此，两天前，一切工作正常。 Yesterday I updated IntelliJ and now I' getting an error: 昨天我更新了IntelliJ，现在出现错误：
Exception in thread "main" java.lang.Error: Unresolved compilation problems:
The method stream() is undefined for the type List<PostVector>
Lambda expressions are allowed only at source level 1.8 or above
The method stream() is undefined for the type List<PostVector>
Lambda expressions are allowed only at source level 1.8 or above
PostVector is on of my classes. PostVector在我的课程中。
I have everything set to Java 8 (from SDK in IntelliJ to env. variables)... 我已将所有内容设置为Java 8（从IntelliJ中的SDK到环境变量）...
And yeah, in project in which I updated IntelliJ everything works fine, but this project in which it does not work is another project, so maybe there is a catch (but I still don't know how to fix it) 是的，在我更新了IntelliJ的项目中，一切正常，但是这个不起作用的项目是另一个项目，因此可能有一个问题（但是我仍然不知道如何解决）
1 个解决方案
解决方案1
-1 2016-02-05 09:23:18
You must wait for gwt 2.8. 您必须等待gwt 2.8。 Lambdas are not supported before gwt 2.8 version. gwt 2.8之前的版本不支持Lambda。
You can try 2.8.0-beta1. 您可以尝试2.8.0-beta1。
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