2021.2版本idea启动报错，无法加载插件

Plugin 'com.alibaba.p3c.smartfox' failed to initialize and will be disabled. Please restart IntelliJ IDEA.

java.lang.ClassNotFoundException: com.alibaba.p3c.idea.component.CommonSettingsApplicationComponent
PluginClassLoader(plugin=PluginDescriptor(name=Alibaba Java Coding Guidelines, id=com.alibaba.p3c.smartfox, descriptorPath=plugin.xml, path=~/Library/Application Support/JetBrains/IntelliJIdea2021.2/plugins/Alibaba Java Coding Guidelines, version=2.1.0, package=null), packagePrefix=null, instanceId=73, state=active)
at com.intellij.ide.plugins.cl.PluginClassLoader.loadClass(PluginClassLoader.java:254)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:522)
at com.intellij.serviceContainer.ComponentManagerImpl.registerComponent(ComponentManagerImpl.kt:441)
at com.intellij.serviceContainer.ComponentManagerImpl.registerComponents(ComponentManagerImpl.kt:380)
at com.intellij.serviceContainer.ComponentManagerImpl.access$registerComponents(ComponentManagerImpl.kt:58)
at com.intellij.serviceContainer.ComponentManagerImpl.registerComponents(ComponentManagerImpl.kt:255)
at com.intellij.openapi.client.ClientAwareComponentManager.registerComponents(ClientAwareComponentManager.kt:63)
at com.intellij.idea.ApplicationLoader$initApplication$2$1.accept(ApplicationLoader.kt:77)
at com.intellij.idea.ApplicationLoader$initApplication$2$1.accept(ApplicationLoader.kt)
at java.base/java.util.concurrent.CompletableFuture.uniAcceptNow(CompletableFuture.java:753)
at java.base/java.util.concurrent.CompletableFuture.uniAcceptStage(CompletableFuture.java:731)
at java.base/java.util.concurrent.CompletableFuture.thenAccept(CompletableFuture.java:2108)
at com.intellij.idea.ApplicationLoader$initApplication$2.apply(ApplicationLoader.kt:75)
at com.intellij.idea.ApplicationLoader$initApplication$2.apply(ApplicationLoader.kt)
at java.base/java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:1072)
at java.base/java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:478)
at com.intellij.idea.ApplicationLoader$initApplication$3.execute(ApplicationLoader.kt:107)
at java.base/java.util.concurrent.CompletableFuture.uniComposeStage(CompletableFuture.java:1118)
at java.base/java.util.concurrent.CompletableFuture.thenComposeAsync(CompletableFuture.java:2246)
at java.base/java.util.concurrent.CompletableFuture.thenComposeAsync(CompletableFuture.java:143)
at com.intellij.idea.ApplicationLoader.initApplication(ApplicationLoader.kt:65)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at com.intellij.idea.a.a(a.java:89)
at com.intellij.ide.a.m.f.a(f.java:93)
at com.intellij.ide.a.m.bM.a(bM.java:310)
at com.intellij.ide.a.m.bT.a(bT.java:278)
at com.intellij.ide.a.m.bT.c(bT.java:171)
at com.intellij.ide.a.m.bT.b(bT.java:81)
at java.base/java.util.concurrent.CompletableFuture.uniRunNow(CompletableFuture.java:815)
at java.base/java.util.concurrent.CompletableFuture.uniRunStage(CompletableFuture.java:799)
at java.base/java.util.concurrent.CompletableFuture.thenRun(CompletableFuture.java:2121)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at com.intellij.ide.a.m.bT.a(bT.java:80)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at com.intellij.idea.MainImpl.start(MainImpl.java:83)
at com.intellij.idea.StartupUtil.lambda$start$16(StartupUtil.java:283)
at java.base/java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:1072)
at java.base/java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:506)
at java.base/java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1705)
at java.base/java.util.concurrent.CompletableFuture$AsyncSupply.exec(CompletableFuture.java:1692)
at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:290)
at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1020)
at java.base/java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1656)
at java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1594)
at java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:183)

在 IntelliJ IDEA 2021.2 上使用 Alibaba Java Coding Guidelines 2.1.0 重现该故障，然后检查 plugin.xml 条目以及报告的 com.alibaba.p3c.idea.component.CommonSettingsApplicationComponent 类。确认插件能够成功初始化且不会出现 ClassNotFoundException。

由索引模型根据 Issue 内容生成。