IDEA 2021.2 启动报错

猫头虎

发布于 2024-04-07 18:44:45

16600

代码可运行

文章被收录于专栏：猫头虎博客专区猫头虎博客专区

运行总次数：0

代码可运行

错误信息如下：

Plugin 'some.awesome' failed to initialize and will be disabled. Please restart IntelliJ IDEA.

java.lang.NullPointerException
    at NyanApplicationComponent.<init>(NyanApplicationComponent.java:21)
    at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
    at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:490)
    at com.intellij.serviceContainer.ConstructorInjectionKt.instantiateUsingPicoContainer(constructorInjection.kt:52)
    at com.intellij.serviceContainer.ComponentManagerImpl.instantiateClassWithConstructorInjection(ComponentManagerImpl.kt:877)
    at com.intellij.serviceContainer.MyComponentAdapter.doCreateInstance(MyComponentAdapter.kt:35)
    at com.intellij.serviceContainer.BaseComponentAdapter.getInstanceUncached(BaseComponentAdapter.kt:113)
    at com.intellij.serviceContainer.BaseComponentAdapter.getInstance(BaseComponentAdapter.kt:67)
    at com.intellij.serviceContainer.BaseComponentAdapter.getInstance$default(BaseComponentAdapter.kt:60)
    at com.intellij.serviceContainer.ComponentManagerImpl.createComponents(ComponentManagerImpl.kt:407)
    at com.intellij.openapi.application.impl.ApplicationImpl.lambda$loadComponents$5(ApplicationImpl.java:369)
    at com.intellij.openapi.progress.impl.CoreProgressManager.lambda$runProcess$2(CoreProgressManager.java:183)
    at com.intellij.openapi.progress.impl.CoreProgressManager.registerIndicatorAndRun(CoreProgressManager.java:705)
    at com.intellij.openapi.progress.impl.CoreProgressManager.executeProcessUnderProgress(CoreProgressManager.java:647)
    at com.intellij.openapi.progress.impl.ProgressManagerImpl.executeProcessUnderProgress(ProgressManagerImpl.java:63)
    at com.intellij.openapi.progress.impl.CoreProgressManager.runProcess(CoreProgressManager.java:170)
    at com.intellij.openapi.application.impl.ApplicationImpl.loadComponents(ApplicationImpl.java:369)
    at com.intellij.idea.ApplicationLoader$startApp$loadComponentInEdtFuture$1.run(ApplicationLoader.kt:136)
    at java.base/java.util.concurrent.CompletableFuture$AsyncRun.run(CompletableFuture.java:1736)
    at com.intellij.openapi.application.TransactionGuardImpl.runWithWritingAllowed(TransactionGuardImpl.java:214)
    at com.intellij.openapi.application.TransactionGuardImpl.access$200(TransactionGuardImpl.java:21)
    at com.intellij.openapi.application.TransactionGuardImpl$2.run(TransactionGuardImpl.java:196)
    at com.intellij.openapi.application.impl.ApplicationImpl.runIntendedWriteActionOnCurrentThread(ApplicationImpl.java:794)
    at com.intellij.openapi.application.impl.ApplicationImpl.lambda$invokeLater$4(ApplicationImpl.java:350)
    at com.intellij.openapi.application.impl.FlushQueue.doRun(FlushQueue.java:84)
    at com.intellij.openapi.application.impl.FlushQueue.runNextEvent(FlushQueue.java:133)
    at com.intellij.openapi.application.impl.FlushQueue.flushNow(FlushQueue.java:46)
    at com.intellij.openapi.application.impl.FlushQueue$FlushNow.run(FlushQueue.java:189)
    at java.desktop/java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:313)
    at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:776)
    at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:727)
    at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:721)
    at java.base/java.security.AccessController.doPrivileged(Native Method)
    at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:85)
    at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:746)
    at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:408)
    at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:203)
    at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:124)
    at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:113)
    at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:109)
    at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
    at java.desktop/java.awt.EventDispatchThread.run(EventDispatchThread.java:90)

解决方案: 方案一: 重启IDEA ===>成功

方案二：请参考我的另一篇博文的解决方案： https://blog.csdn.net/qq_44866828/article/details/118991037

错误信息分析：

这段错误信息表明在初始化一个插件时出现了一个java.lang.NullPointerException异常，导致插件初始化失败，从而需要重新启动 IntelliJ IDEA。异常堆栈跟踪显示了在插件的初始化构造函数中发生了空指针异常。

解决方案：

根据您提供的信息，解决方案似乎很简单，只需重启 IntelliJ IDEA 即可解决问题。这可能是由于某些临时状态或初始化问题导致插件未能正确加载。

重启 IDEA 是一种常见的解决方法，但如果问题仍然存在，您可以尝试以下步骤：

清理项目缓存： 在 IDEA 中选择 File -> Invalidate Caches / Restart，然后选择 “Invalidate and Restart”，这将清除项目的缓存并重新启动 IDEA。
检查插件版本： 有时，某些插件版本可能与 IDEA 版本不兼容，导致类似的问题。确保您使用的插件版本与您的 IDEA 版本兼容。
查看插件配置： 如果插件需要进行一些配置，确保您已经正确配置了插件所需的参数。
检查插件代码： 如果您是插件的开发者，您可以根据堆栈跟踪中的行号（如NyanApplicationComponent.java:21）检查插件的初始化代码，看是否存在空指针引用或其他异常情况。

如果上述方法仍然无法解决问题，您可以考虑卸载并重新安装该插件，或者查阅插件的文档、社区支持或开发者论坛，以获取更多关于此问题的帮助。

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原始发表：2023-08-15，如有侵权请联系 cloudcommunity@tencent.com 删除

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