IDEA報錯:Unable to save settings Failed to save settings

更新時間：2020年09月28日 14:48:07 作者：碼丁的早晨

這篇文章主要介紹了IDEA報錯:Unable to save settings Failed to save settings的相關知識,本文給大家分享問題原因及解決方案，需要的朋友可以參考下

今天打開IDEA時，出現(xiàn)了“Unable to save settings Failed to save settings”異常，百度了一下，發(fā)現(xiàn)大部分都是說卸載“identifier Highlighter”插件，但是我并沒有安裝這個插件，所以在翻找了好久之后，終于是解決了問題，在此下一下我的解決經(jīng)驗。

IDEA這個報錯翻譯過來就是：“保存設置失敗”，至于是為什么失敗，并沒有在此處說明，但是IDEA把具體原因放到了他的日志文件中，所以只要我們找到了日志文件，那么就可以對癥下藥，解決問題！

1.尋找日志文件

C盤—User(用戶)—.IntelliJIdea文件夾—system—log—idea.log

注意：如果電腦有多個用戶，那么就是在你當前用戶下的.IntelliJIdea文件夾中

2.找到報錯

打開idea.log文件，從最下面開始翻，找到最新的報錯信息，那就是你遇到的真正問題，找到之后，翻譯一下，基本就知道問題在哪兒了

下面列舉幾個報錯的原因

1.這個報錯是沒有寫入文件的權限，再看后面的“C:\Users\.idea”，說明是沒有C盤的寫入權限

2.此處最下面可以看到“ Cannot save scheme workspace/Jetty Server”，說明是jetty的配置有問題(此處代碼轉載自https://blog.csdn.net/yjw123456/article/details/78547552/)

2017-11-15 17:20:55,720 [ 196716]  WARN - mponents.impl.stores.StoreUtil - Save settings failed 
java.lang.RuntimeException: java.lang.Exception: Cannot get RunManager component state
  at com.intellij.util.ExceptionUtil.rethrow(ExceptionUtil.java:179)
  at com.intellij.util.lang.CompoundRuntimeException.throwIfNotEmpty(CompoundRuntimeException.java:148)
  at com.intellij.configurationStore.ComponentStoreImpl.save(ComponentStoreImpl.kt:199)
  at com.intellij.openapi.components.impl.stores.StoreUtil.save(StoreUtil.java:49)
  at com.intellij.openapi.project.impl.ProjectImpl.save(ProjectImpl.java:349)
  at com.intellij.openapi.components.impl.stores.StoreUtil.saveDocumentsAndProjectsAndApp(StoreUtil.java:126)
  at com.intellij.openapi.application.impl.ApplicationImpl.saveAll(ApplicationImpl.java:1437)
  at com.intellij.ide.SaveAndSyncHandlerImpl.saveProjectsAndDocuments(SaveAndSyncHandlerImpl.java:126)
  at com.intellij.ide.SaveAndSyncHandlerImpl$2.a(SaveAndSyncHandlerImpl.java:94)
  at com.intellij.openapi.application.TransactionGuardImpl.a(TransactionGuardImpl.java:86)
  at com.intellij.openapi.application.TransactionGuardImpl.a(TransactionGuardImpl.java:109)
  at com.intellij.openapi.application.TransactionGuardImpl.submitTransaction(TransactionGuardImpl.java:118)
  at com.intellij.openapi.application.TransactionGuard.submitTransaction(TransactionGuard.java:122)
  at com.intellij.ide.SaveAndSyncHandlerImpl$2.onFrameDeactivated(SaveAndSyncHandlerImpl.java:92)
  at com.intellij.ide.FrameStateManagerImpl.a(FrameStateManagerImpl.java:84)
  at com.intellij.ide.FrameStateManagerImpl.access$500(FrameStateManagerImpl.java:32)
  at com.intellij.ide.FrameStateManagerImpl$2.a(FrameStateManagerImpl.java:70)
  at com.intellij.util.concurrency.QueueProcessor.runSafely(QueueProcessor.java:246)
  at com.intellij.util.Alarm$Request.runSafely(Alarm.java:417)
  at com.intellij.util.Alarm$Request.access$700(Alarm.java:344)
  at com.intellij.util.Alarm$Request$1.run(Alarm.java:384)
  at com.intellij.openapi.application.TransactionGuardImpl$2.run(TransactionGuardImpl.java:314)
  at com.intellij.openapi.application.impl.LaterInvocator$FlushQueue.a(LaterInvocator.java:416)
  at com.intellij.openapi.application.impl.LaterInvocator$FlushQueue.run(LaterInvocator.java:399)
  at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311)
  at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:762)
  at java.awt.EventQueue.access$500(EventQueue.java:98)
  at java.awt.EventQueue$3.run(EventQueue.java:715)
  at java.awt.EventQueue$3.run(EventQueue.java:709)
  at java.security.AccessController.doPrivileged(Native Method)
  at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:80)
  at java.awt.EventQueue.dispatchEvent(EventQueue.java:732)
  at com.intellij.ide.IdeEventQueue.c(IdeEventQueue.java:821)
  at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:649)
  at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:365)
  at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
  at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
  at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
  at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
  at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
  at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)
Caused by: java.lang.Exception: Cannot get RunManager component state
  at com.intellij.configurationStore.ComponentStoreImpl.save(ComponentStoreImpl.kt:166)
  ... 38 more
Caused by: java.lang.RuntimeException: Cannot save scheme workspace/Jetty Server: jetty (level: WORKSPACE)
  at com.intellij.configurationStore.SchemeManagerImpl.save(SchemeManagerImpl.kt:535)
  at com.intellij.configurationStore.Scheme_implKt.save(scheme-impl.kt:154)
  at com.intellij.execution.impl.RunManagerImpl.getState(RunManagerImpl.kt:500)
  at com.intellij.execution.impl.RunManagerImpl.getState(RunManagerImpl.kt:63)
  at com.intellij.configurationStore.ComponentStoreImpl.a(ComponentStoreImpl.kt:227)
  at com.intellij.configurationStore.ComponentStoreImpl.save(ComponentStoreImpl.kt:159)
  ... 38 more

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