blocks|key|1816897|text|若要解决此问题，请删除文件夹.idea并重新导入项目。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|1816898|根本原因仍然是个谜..。|1816899|entityMap^0|E|5|0|0^^$0|@$1|2|3|4|5|6|7|J|8|@$9|K|A|L|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|M|8|@]|D|@]|E|$]]|$1|H|3|-4|5|6|7|N|8|@]|D|@]|E|$]]]|I|$]]

To fix this, remove the folder <code>.idea</code> and reimport the project.

The root cause remains a mystery...

blocks|key|1096248|text|当我更新到SBT+0.13.7时，也遇到了类似的问题。IntelliJ开始用“无法解析符号”的消息将:=和%2B%2B等运算符标记为红色。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|1096249|修复此解决方案的步骤如下：|1096250|在IntelliJ下面的Files+%7C+Settings中，我切换了自己的SBT+Runner以使用自定义启动程序(并给出了通向sbt-launch.jar的路径，对我来说，这就是/opt/sbt/bin/sbt-launch.jar)。|ordered-list-item|1096251|在测试了我仍然可以在上面的#1之后编译之后，我不得不使缓存失效并重新启动；在Files+%7C+Invalidate+Caches+/Restart下.|1096252|就这样！:-)|1096253|entityMap^0|5|A|R|8|1E|2|1H|2|0|0|1|8|C|G|11|A|1S|E|2I|R|0|12|P|0|0^^$0|@$1|2|3|4|5|6|7|Q|8|@$9|R|A|S|B|C]|$9|T|A|U|B|C]|$9|V|A|W|B|C]|$9|X|A|Y|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|Z|8|@]|D|@]|E|$]]|$1|H|3|I|5|J|7|10|8|@$9|11|A|12|B|C]|$9|13|A|14|B|C]|$9|15|A|16|B|C]|$9|17|A|18|B|C]|$9|19|A|1A|B|C]]|D|@]|E|$]]|$1|K|3|L|5|J|7|1B|8|@$9|1C|A|1D|B|C]]|D|@]|E|$]]|$1|M|3|N|5|6|7|1E|8|@]|D|@]|E|$]]|$1|O|3|-4|5|6|7|1F|8|@]|D|@]|E|$]]]|P|$]]

I had a similar problem when I updated to <code>SBT 0.13.7</code>. <code>IntelliJ</code> started marking operators such as <code>:=</code> and <code>++</code> in red with message "Cannot resolve symbol"

My steps to fix this solution were as follows:

<ol>
<li>In <code>IntelliJ</code> under <code>Files | Settings</code>, I switched my <code>SBT Runner</code> to use a Custom Launcher (and gave my path to <code>sbt-launch.jar</code> which for me was <code>/opt/sbt/bin/sbt-launch.jar</code>).</li>
<li>After testing that I can still compile after #1 above, I then had to invalidate the cache and restart; under <code>Files | Invalidate Caches</code> / Restart...</li>
</ol>

That's it! :-)

blocks|key|1817046|text|如果其他解决方案都不能工作，而且您与我处于同一条船上，在build.sbt和所有具有sbt依赖关系的文件中都可以看到一个sbt，并且在External+Libraries中没有sbt依赖项，那么运行File+%7C+New+%7C+Module+from+Existing+Sources...并选择build.sbt可能会修复它，因为它为我修复了它。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|1817047|entityMap^0|S|9|1V|I|2R|18|42|9|0^^$0|@$1|2|3|4|5|6|7|H|8|@$9|I|A|J|B|C]|$9|K|A|L|B|C]|$9|M|A|N|B|C]|$9|O|A|P|B|C]]|D|@]|E|$]]|$1|F|3|-4|5|6|7|Q|8|@]|D|@]|E|$]]]|G|$]]

In case none of the other solutions work and you are in the same boat as me, where you see a <code>Cannot resolve symbol ...</code> in the <code>build.sbt</code> and all files that have sbt dependencies, and where there are no sbt dependencies in <code>External Libraries</code>, running <code>File | New | Module from Existing Sources...</code> and selecting the <code>build.sbt</code> may fix it for you as it fixed it for me.

blocks|key|1816954|text|我在14.1.2上也有类似的问题；在我的例子中，添加|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1816955|libraryDependencies+%2B=+"org.scalatest"+%25+"scalatest_2.11"+%25+"2.2.1"+%25+"test"|code-block|syntax|javascript|1816956|然后试着|1816957|import+org.scalatest._|1816958|将导致:无法解析符号刻度|1816959|降低sbt+(0.13.8+->，0.13.7)；在build.properties中解决了问题。|1816960|下面是更多的详细信息。|offset|length|1816961|entityMap|0|LINK|mutability|MUTABLE|url|http://activeintelligence.org/blog/archive/scalatest-intellij-problem/^0|0|0|0|0|0|0|6|4|0|0^^$0|@$1|2|3|4|5|6|7|10|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|11|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|12|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|13|8|@]|9|@]|A|$E|F]]|$1|K|3|L|5|6|7|14|8|@]|9|@]|A|$]]|$1|M|3|N|5|6|7|15|8|@]|9|@]|A|$]]|$1|O|3|P|5|6|7|16|8|@]|9|@$Q|17|R|18|1|19]]|A|$]]|$1|S|3|-4|5|6|7|1A|8|@]|9|@]|A|$]]]|T|$U|$5|V|W|X|A|$Y|Z]]]]

I had a similar problem on 14.1.2; in my case adding 

<pre><code>libraryDependencies += "org.scalatest" % "scalatest_2.11" % "2.2.1" % "test"
</code></pre>

and then trying to

<pre><code>import org.scalatest._
</code></pre>

Would resulted in: cannot resolve symbol scalatest

Downgrading sbt (0.13.8 -> 0.13.7); in build.properties solved the problem.

here are more <a href="http://activeintelligence.org/blog/archive/scalatest-intellij-problem/" rel="nofollow">details</a>.

blocks|key|1096359|text|将我的build.properties从0.13.8升级到一个新的版本，比如0.13.15，为我解决了这个问题。参考github问题。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|1096360|entityMap|0|LINK|mutability|MUTABLE|url|https://github.com/coursier/coursier/issues/245^0|3|G|K|6|12|7|1K|B|0|0^^$0|@$1|2|3|4|5|6|7|N|8|@$9|O|A|P|B|C]|$9|Q|A|R|B|C]|$9|S|A|T|B|C]]|D|@$9|U|A|V|1|W]]|E|$]]|$1|F|3|-4|5|6|7|X|8|@]|D|@]|E|$]]]|G|$H|$5|I|J|K|E|$L|M]]]]

Updating my <code>build.properties</code> from <code>0.13.8</code> to a newer version, like <code>0.13.15</code>, solved it for me. <a href="https://github.com/coursier/coursier/issues/245" rel="nofollow noreferrer">Reference github issue.</a>

blocks|key|1816933|text|想法14.0也有同样的问题。上面什么都没起作用。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1816934|升级到IDEA+14.1.1成功了。|1816935|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|F|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|G|8|@]|9|@]|A|$]]|$1|D|3|-4|5|6|7|H|8|@]|9|@]|A|$]]]|E|$]]

Had the same problem in IDEA 14.0. Nothing above worked.

Upgrade to IDEA 14.1.1 did the trick.

blocks|key|1817000|text|重新启动IntelliJ为我修复了它。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1817001|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

Restarting IntelliJ fixed it for me.

blocks|key|2095552|text|这是关于.idea文件夹的，如果它不包括codeStyles、Modules、libraries，就会产生错误。我通过从另一个具有it.Then重新启动IntelliJ的项目导入该文件夹来修复它。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|2095553|entityMap^0|4|5|K|A|V|7|13|9|24|8|0^^$0|@$1|2|3|4|5|6|7|H|8|@$9|I|A|J|B|C]|$9|K|A|L|B|C]|$9|M|A|N|B|C]|$9|O|A|P|B|C]|$9|Q|A|R|B|C]]|D|@]|E|$]]|$1|F|3|-4|5|6|7|S|8|@]|D|@]|E|$]]]|G|$]]

It was about the <code>.idea</code> folder, if it is not included the <code>codeStyles</code>, <code>Modules</code>, <code>libraries</code> , it is giving that error. I fix it with import that folder from another project that has it.Then restart <code>IntelliJ</code>.

I'm using <a href="https://github.com/sbt/sbt" rel="nofollow noreferrer">SBT</a> + Idea 13.1.1 and I have all my SBT file in red:

<pre><code>name := "Transformer"

version := "1.0"

libraryDependencies ++= Seq(
 "com.github.scopt" %% "scopt" % "3.2.0",
 "org.scalatest" % "scalatest_2.10" % "2.1.0" % "test"
)
</code></pre>

It's saying 

<blockquote>
 Cannot resolve symbol name/version
</blockquote>

But Seq is ok. But it's all good to run the app from SBT cmd or even from Idea directly running the main or scalatests. I know it's not a lot information to troubleshoot but I don't know what to check else. Tell me if you have an idea I'll provide everything.

Cheers

SBT + Idea 13 => Cannot resolve symbol

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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我使用的是 + Idea 13.1.1，我的所有SBT文件都是红色的：name := "Transformer"version := "1.0"libraryDependencies ++= Seq(  "com.github.scopt" %% "scopt" % "3.2.0",  "org.scalatest" % "scalatest_2.10" % "2.1.0" % "test")这是

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