IDEA编译报错：org/jetbrains/jps/incremental/messages/BuildMessage$Kind的解决办法

背景

最近换了电脑在安装了Intellij IDEA后，导入了之前开发的Java项目，尝试运行mian()方法后一直在报如下错误：

Error:scalac: Error: org/jetbrains/jps/incremental/messages/BuildMessage$Kind
java.lang.UnsupportedClassVersionError: org/jetbrains/jps/incremental/messages/BuildMessage$Kind
at org.jetbrains.jps.incremental.scala.local.AbstractCompiler$ClientReporter.log(AbstractCompiler.scala:92)
at xsbt.DelegatingReporter.info0(DelegatingReporter.scala:39)
at scala.tools.nsc.reporters.Reporter$$anonfun$error$1.apply$mcV$sp(Reporter.scala:70)
at scala.tools.nsc.reporters.Reporter$$anonfun$error$1.apply(Reporter.scala:70)
at scala.tools.nsc.reporters.Reporter$$anonfun$error$1.apply(Reporter.scala:70)
at scala.tools.nsc.reporters.Reporter.withoutTruncating(Reporter.scala:42)
at scala.tools.nsc.reporters.Reporter.error(Reporter.scala:70)
at scala.tools.nsc.Global.globalError(Global.scala:229)
at scala.tools.nsc.Global$Run.compileUnits(Global.scala:1565)
at scala.tools.nsc.Global$Run.compileSources(Global.scala:1553)
at scala.tools.nsc.Global$Run.compile(Global.scala:1662)
at xsbt.CachedCompiler0.run(CompilerInterface.scala:115)
at xsbt.CachedCompiler0.run(CompilerInterface.scala:94)
at xsbt.CompilerInterface.run(CompilerInterface.scala:22)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at sbt.compiler.AnalyzingCompiler.call(AnalyzingCompiler.scala:101)
at sbt.compiler.AnalyzingCompiler.compile(AnalyzingCompiler.scala:47)
at sbt.compiler.AnalyzingCompiler.compile(AnalyzingCompiler.scala:41)
at org.jetbrains.jps.incremental.scala.local.IdeaIncrementalCompiler.compile(IdeaIncrementalCompiler.scala:32)
at org.jetbrains.jps.incremental.scala.local.LocalServer.compile(LocalServer.scala:26)
at org.jetbrains.jps.incremental.scala.remote.Main$.make(Main.scala:68)
at org.jetbrains.jps.incremental.scala.remote.Main$.nailMain(Main.scala:25)
at org.jetbrains.jps.incremental.scala.remote.Main.nailMain(Main.scala)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at com.martiansoftware.nailgun.NGSession.run(NGSession.java:319)

问题排查

起初我还以为是idea的版本问题，通过查询发现是因为低版本Java不支持org.jetbrains.jps.incremental.messages包导致的，那接下来就好解决了。

解决方法

升级JDK到1.8，重新安装了JDK1.8 的版本，把项目的JDK也换成1.8，再次运行main()方法显示成功了。

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