[Bug] General Exception in the PhpClassReferenceProvider while accessing PhpIndexImpl.getAnyByFQN

[mxp100]

Describe the bug (*)

A clear and concise description of what the bug is.

java.lang.Exception
	at com.intellij.psi.stubs.StubTreeLoaderImpl.diagnoseLengthMismatch(StubTreeLoaderImpl.java:181)
	at com.intellij.psi.stubs.StubTreeLoaderImpl.checkLengthMatch(StubTreeLoaderImpl.java:147)
	at com.intellij.psi.stubs.StubTreeLoaderImpl.readFromVFile(StubTreeLoaderImpl.java:114)
	at com.intellij.psi.stubs.StubTreeLoader.lambda$stubTreeAndIndexDoNotMatch$0(StubTreeLoader.java:67)
	at com.intellij.openapi.progress.impl.CoreProgressManager.registerIndicatorAndRun(CoreProgressManager.java:698)
	at com.intellij.openapi.progress.impl.CoreProgressManager.computeUnderProgress(CoreProgressManager.java:646)
	at com.intellij.openapi.progress.impl.CoreProgressManager.computeInNonCancelableSection(CoreProgressManager.java:237)
	at com.intellij.psi.stubs.StubTreeLoader.stubTreeAndIndexDoNotMatch(StubTreeLoader.java:65)
	at com.intellij.psi.stubs.StubProcessingHelperBase.inconsistencyDetected(StubProcessingHelperBase.java:151)
	at com.intellij.psi.stubs.StubProcessingHelperBase.checkType(StubProcessingHelperBase.java:93)
	at com.intellij.psi.stubs.StubProcessingHelperBase.processStubsInFile(StubProcessingHelperBase.java:72)
	at com.intellij.psi.stubs.StubIndexImpl.lambda$processElements$2(StubIndexImpl.java:300)
	at com.intellij.psi.stubs.StubIndexImpl.processElements(StubIndexImpl.java:346)
	at com.intellij.psi.stubs.StubIndex.getElements(StubIndex.java:100)
	at com.intellij.psi.stubs.StubIndex.getElements(StubIndex.java:88)
	at com.jetbrains.php.PhpIndexImpl.getElements(PhpIndexImpl.java:592)
	at com.jetbrains.php.PhpIndexImpl.getByName(PhpIndexImpl.java:1010)
	at com.jetbrains.php.PhpIndexImpl.getByFQN(PhpIndexImpl.java:985)
	at com.jetbrains.php.PhpIndexImpl.getByFqnCacheAware(PhpIndexImpl.java:1070)
	at com.jetbrains.php.PhpIndexImpl.getClassesByFQNInternal(PhpIndexImpl.java:1064)
	at com.jetbrains.php.PhpIndexImpl.getAnyByFQN(PhpIndexImpl.java:1107)
	at com.magento.idea.magento2plugin.reference.provider.PhpClassReferenceProvider.getReferencesByElement(PhpClassReferenceProvider.java:79)
	at com.magento.idea.magento2plugin.reference.provider.CompositeReferenceProvider.getReferencesByElement(CompositeReferenceProvider.java:30)
	at com.intellij.psi.impl.source.resolve.reference.ReferenceProvidersRegistryImpl.getReferences(ReferenceProvidersRegistryImpl.java:199)
	at com.intellij.psi.impl.source.resolve.reference.ReferenceProvidersRegistryImpl.mapNotEmptyReferencesFromProviders(ReferenceProvidersRegistryImpl.java:162)
	at com.intellij.psi.impl.source.resolve.reference.ReferenceProvidersRegistryImpl.doGetReferencesFromProviders(ReferenceProvidersRegistryImpl.java:141)
	at com.intellij.psi.impl.source.resolve.reference.ReferenceProvidersRegistry.getReferencesFromProviders(ReferenceProvidersRegistry.java:43)
	at com.intellij.psi.impl.source.xml.XmlAttributeValueImpl.getReferences(XmlAttributeValueImpl.java:80)
	at com.intellij.psi.impl.SharedPsiElementImplUtil.addReferences(SharedPsiElementImplUtil.java:57)
	at com.intellij.psi.impl.SharedPsiElementImplUtil.findReferenceAt(SharedPsiElementImplUtil.java:33)
	at com.intellij.psi.impl.SharedPsiElementImplUtil.findReferenceAt(SharedPsiElementImplUtil.java:51)
	at com.intellij.psi.impl.source.tree.CompositePsiElement.findReferenceAt(CompositePsiElement.java:103)
	at com.intellij.psi.AbstractFileViewProvider.findReferenceAt(AbstractFileViewProvider.java:238)
	at com.intellij.psi.SingleRootFileViewProvider.findReferenceAt(SingleRootFileViewProvider.java:223)
	at com.intellij.psi.impl.source.PsiFileImpl.findReferenceAt(PsiFileImpl.java:531)
	at com.intellij.codeInsight.TargetElementUtilBase.findReference(TargetElementUtilBase.java:189)
	at com.intellij.codeInsight.TargetElementUtilBase.doGetReferenceOrReferencedElement(TargetElementUtilBase.java:160)
	at com.intellij.codeInsight.TargetElementUtilBase.getReferenceOrReferencedElement(TargetElementUtilBase.java:204)
	at com.intellij.codeInsight.TargetElementUtilBase.getReferencedElement(TargetElementUtilBase.java:248)
	at com.intellij.codeInsight.TargetElementUtilBase.doFindTargetElement(TargetElementUtilBase.java:227)
	at com.intellij.codeInsight.TargetElementUtilBase.findTargetElement(TargetElementUtilBase.java:292)
	at com.intellij.codeInsight.TargetElementUtil.findTargetElement(TargetElementUtil.java:147)
	at com.intellij.openapi.fileEditor.impl.text.TextEditorPsiDataProvider.getPsiElementIn(TextEditorPsiDataProvider.java:226)
	at com.intellij.openapi.fileEditor.impl.text.TextEditorPsiDataProvider.getSlowData(TextEditorPsiDataProvider.java:139)
	at com.intellij.openapi.fileEditor.impl.text.TextEditorPsiDataProvider.lambda$getData$0(TextEditorPsiDataProvider.java:93)
	at com.intellij.ide.impl.DataManagerImpl.getSlowData(DataManagerImpl.java:153)
	at com.intellij.ide.impl.DataManagerImpl.lambda$getDataRule$2(DataManagerImpl.java:121)
	at com.intellij.ide.impl.DataManagerImpl.lambda$getDataRule$4(DataManagerImpl.java:126)
	at com.intellij.ide.impl.DataManagerImpl.getDataFromProvider(DataManagerImpl.java:77)
	at com.intellij.ide.impl.DataManagerImpl.getDataFromProvider(DataManagerImpl.java:56)
	at com.intellij.ide.impl.DataManagerImpl.lambda$getDataFromProvider$1(DataManagerImpl.java:77)
	at com.intellij.openapi.actionSystem.DataKey.getData(DataKey.java:68)
	at com.intellij.ide.impl.dataRules.NavigatableRule.getData(NavigatableRule.java:39)
	at com.intellij.ide.impl.DataManagerImpl.getRulesData(DataManagerImpl.java:139)
	at com.intellij.ide.impl.DataManagerImpl.lambda$getDataRule$4(DataManagerImpl.java:127)
	at com.intellij.ide.impl.DataManagerImpl.getDataFromProvider(DataManagerImpl.java:77)
	at com.intellij.ide.impl.DataManagerImpl.getDataFromProvider(DataManagerImpl.java:56)
	at com.intellij.ide.impl.DataManagerImpl.lambda$getDataFromProvider$1(DataManagerImpl.java:77)
	at com.intellij.openapi.actionSystem.DataKey.getData(DataKey.java:68)
	at com.intellij.ide.impl.dataRules.NavigatableArrayRule.getData(NavigatableArrayRule.java:23)
	at com.intellij.ide.impl.DataManagerImpl.getRulesData(DataManagerImpl.java:139)
	at com.intellij.ide.impl.DataManagerImpl.lambda$getDataRule$4(DataManagerImpl.java:127)
	at com.intellij.ide.impl.DataManagerImpl.getDataFromProvider(DataManagerImpl.java:77)
	at com.intellij.openapi.actionSystem.impl.PreCachedDataContext2.getData(PreCachedDataContext2.java:170)
	at com.intellij.openapi.actionSystem.DataContext.getData(DataContext.java:42)
	at com.intellij.openapi.actionSystem.impl.ActionUpdate

To Reproduce (*)

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1. Go to '...'
2. Click on '....'
3. Scroll down to '....'
4. See error

Expected behavior (*)

A clear and concise description of what you expected to happen.

Screenshots

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Please complete the following information: (*)

• OS: Linux 5.16.2-051602-generic
• PhpStorm/Intellij version: 2021.3.1
• Plugin Version: 4.2.1

Additional context

Add any other context about the problem here.

[bohdan-harniuk]

Hello, @mxp100!

Thank you for your report!
We'll try to fix this issue in the upcoming release.

Regards,

[bohdan-harniuk]

Similar to the #666.

[bohdan-harniuk]

Hello, @mxp100!

We've fixed this issue. It will be delivered in the upcoming release.

Regards,