IDEA启动报错Internal error. Please report to http://jb.gg/ide/critical-startup-errors java.lang.NoClassDefFoundError: org/eclipse/xtext/xbase/lib/Exceptions

报错内容：

Internal error. Please report to http://jb.gg/ide/critical-startup-errors
java.lang.NoClassDefFoundError: org/eclipse/xtext/xbase/lib/Exceptions
	at delight.rhinosandox.internal.RhinoSandboxImpl.assertContextFactory(RhinoSandboxImpl.java:71)
	at delight.rhinosandox.internal.RhinoSandboxImpl.evalWithGlobalScope(RhinoSandboxImpl.java:91)
	at com.github.markusbernhardt.proxy.selector.pac.JavaxPacScriptParser.setupEngine(JavaxPacScriptParser.java:80)
	at com.github.markusbernhardt.proxy.selector.pac.JavaxPacScriptParser.<init>(JavaxPacScriptParser.java:40)
	at com.github.markusbernhardt.proxy.selector.pac.PacProxySelector.selectEngine(PacProxySelector.java:76)
	at com.github.markusbernhardt.proxy.selector.pac.PacProxySelector.<init>(PacProxySelector.java:41)
	at com.intellij.util.net.IdeaWideProxySelector.select(IdeaWideProxySelector.java:75)
	at com.intellij.util.proxy.CommonProxy.select(CommonProxy.java:213)
	at com.zeroturnaround.javarebel.idea.plugin.settings.IntellijProxyProvider.getProxyFor(IntellijProxyProvider.java:50)
	at com.zeroturnaround.http.HttpClientHelper$3.determineProxy(HttpClientHelper.java:111)
	at org.apache.http.impl.conn.DefaultRoutePlanner.determineRoute(DefaultRoutePlanner.java:76)
	at org.apache.http.impl.client.InternalHttpClient.determineRoute(InternalHttpClient.java:124)
	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:183)
	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:82)
	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:106)
	at org.zeroturnaround.jrebel.client.licensing.JRebelLicensingImpl.getApiJsonResponse(JRebelLicensingImpl.java:331)
	at org.zeroturnaround.jrebel.client.licensing.JRebelLicensingImpl.access$100(JRebelLicensingImpl.java:43)
	at org.zeroturnaround.jrebel.client.licensing.JRebelLicensingImpl$1.call(JRebelLicensingImpl.java:52)
	at org.zeroturnaround.jrebel.client.licensing.JRebelLicensingImpl$1.call(JRebelLicensingImpl.java:47)
	at org.zeroturnaround.jrebel.client.util.CachedValueKeeper.get(CachedValueKeeper.java:57)
	at org.zeroturnaround.jrebel.client.licensing.JRebelLicensingImpl.isTrialRegistrationAvailable(JRebelLicensingImpl.java:239)
	at org.zeroturnaround.jrebel.ide.common.ui.activation.LiveTrialInfo.checkTrialRegistrationAPIAvailable(LiveTrialInfo.java:72)
	at org.zeroturnaround.jrebel.ide.common.ui.activation.LiveTrialInfo.isTrialRegistrationAPIAvailable(LiveTrialInfo.java:50)
	at org.zeroturnaround.jrebel.ide.common.ui.activation.LiveTrialInfo.loadCache(LiveTrialInfo.java:37)
	at org.zeroturnaround.jrebel.ide.common.CommonStartup.lambda$start$2(CommonStartup.java:197)
	at org.zeroturnaround.jrebel.ide.common.CommonStartup$$Lambda$4.licenseStatusChanged(CommonStartup.java)
	at org.zeroturnaround.jrebel.client.licensing.Watcher.broadcastLicensingStatusChange(Watcher.java:181)
	at org.zeroturnaround.jrebel.client.licensing.Watcher.sendStatusChangeToInitialListenersAndRemove(Watcher.java:175)
	at org.zeroturnaround.jrebel.client.licensing.Watcher.licenseStatusChanged(Watcher.java:164)
	at org.zeroturnaround.jrebel.client.licensing.Watcher.updateLicensingState(Watcher.java:142)
	at org.zeroturnaround.jrebel.client.licensing.Watcher.gotSomeLicensingStatus(Watcher.java:133)
	at org.zeroturnaround.jrebel.client.licensing.JRebelLicensingImpl.getLicensingStatus(JRebelLicensingImpl.java:117)
	at org.zeroturnaround.jrebel.client.licensing.Watcher.refreshLicenseStatus(Watcher.java:122)
	at org.zeroturnaround.jrebel.client.licensing.Watcher.access$300(Watcher.java:20)
	at org.zeroturnaround.jrebel.client.licensing.Watcher$1.run(Watcher.java:60)
	at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.ClassNotFoundException: org.eclipse.xtext.xbase.lib.Exceptions
	at com.intellij.util.lang.UrlClassLoader.findClass(UrlClassLoader.java:241)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
	... 36 more

　　

 

报错图为：

我尝试找org/eclipse/xtext/xbase/lib/Exceptions的地方，没找到，百度了和Google不同的错误，我猜想有可能是本机的网络让jrebel识别不到因此报错，网络没问题，因此我解决的是：

C:\Users%{用户}%.IntelliJIdea2018.3\config\plugins 删除Jrebel的插件

即可去启动IDEA成功啦，