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Java 9 をインストールしました。コマンド プロンプトは、Java パスがバージョン 9 に更新されたことを示しています。Eclipse を開くと、Java バージョンの変更をインストールして確認した後、エラーで開くことができませんでした。以下にエラー ログをコピーしました。

注:-EclipseにJava 9サポートプラグインをインストールしましたが、それも役に立ちませんでした。

  BootLoader constants: OS=win32, ARCH=x86_64, WS=win32, NL=en_US
    Framework arguments:  -product org.eclipse.epp.package.jee.product
    Command-line arguments:  -os win32 -ws win32 -arch x86_64 -product org.eclipse.epp.package.jee.product

    !ENTRY org.eclipse.osgi 4 0 2017-09-28 11:39:12.220
    !MESSAGE Application error
    !STACK 1
    org.eclipse.e4.core.di.InjectionException: java.lang.NoClassDefFoundError: javax/annotation/PostConstruct
        at org.eclipse.e4.core.internal.di.InjectorImpl.internalMake(InjectorImpl.java:410)
        at org.eclipse.e4.core.internal.di.InjectorImpl.make(InjectorImpl.java:318)
        at org.eclipse.e4.core.contexts.ContextInjectionFactory.make(ContextInjectionFactory.java:162)
        at org.eclipse.e4.ui.internal.workbench.swt.E4Application.createDefaultHeadlessContext(E4Application.java:491)
        at org.eclipse.e4.ui.internal.workbench.swt.E4Application.createDefaultContext(E4Application.java:505)
        at org.eclipse.e4.ui.internal.workbench.swt.E4Application.createE4Workbench(E4Application.java:204)
        at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:614)
        at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336)
        at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:594)
        at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:148)
        at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:151)
        at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
        at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134)
        at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
        at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:388)
        at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:243)
        at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
        at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
        at java.base/java.lang.reflect.Method.invoke(Unknown Source)
        at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:653)
        at org.eclipse.equinox.launcher.Main.basicRun(Main.java:590)
        at org.eclipse.equinox.launcher.Main.run(Main.java:1499)
        at org.eclipse.equinox.launcher.Main.main(Main.java:1472)
    Caused by: java.lang.NoClassDefFoundError: javax/annotation/PostConstruct
        at org.eclipse.e4.core.internal.di.InjectorImpl.inject(InjectorImpl.java:124)
        at org.eclipse.e4.core.internal.di.InjectorImpl.internalMake(InjectorImpl.java:399)
        ... 23 more
    Caused by: java.lang.ClassNotFoundException: javax.annotation.PostConstruct cannot be found by org.eclipse.e4.core.di_1.6.100.v20170421-1418
        at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:433)
        at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:395)
        at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:387)
        at org.eclipse.osgi.internal.loader.ModuleClassLoader.loadClass(ModuleClassLoader.java:150)
        at java.base/java.lang.ClassLoader.loadClass(Unknown Source)
        ... 25 more
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