Bug Report 2025/12/18

[Bashev]

Describe the bug (*)

A clear and concise description of what the bug is.

java.lang.ClassCastException: class com.intellij.psi.impl.source.xml.XmlDocumentImpl cannot be cast to class com.intellij.psi.impl.source.xml.XmlTagImpl (com.intellij.psi.impl.source.xml.XmlDocumentImpl and com.intellij.psi.impl.source.xml.XmlTagImpl are in unnamed module of loader com.intellij.util.lang.PathClassLoader @816f27d)
	at com.magento.idea.magento2plugin.reference.provider.ObserverNameReferenceProvider.getReferencesByElement(ObserverNameReferenceProvider.java:25)
	at com.intellij.psi.impl.source.resolve.reference.ReferenceProvidersRegistryImpl.getReferences(ReferenceProvidersRegistryImpl.java:164)
	at com.intellij.psi.impl.source.resolve.reference.ReferenceProvidersRegistryImpl.mapNotEmptyReferencesFromProviders(ReferenceProvidersRegistryImpl.java:145)
	at com.intellij.psi.impl.source.resolve.reference.ReferenceProvidersRegistryImpl.doGetReferencesFromProviders(ReferenceProvidersRegistryImpl.java:124)
	at com.intellij.psi.impl.source.resolve.reference.ReferenceProvidersRegistry.lambda$getReferencesFromProviders$0(ReferenceProvidersRegistry.java:44)
	at com.intellij.psi.util.CachedValuesManager$NonPhysicalPsiHandlerProvider.compute(CachedValuesManager.java:222)
	at com.intellij.psi.util.CachedValuesManager$NonPhysicalPsiHandlerProvider.compute(CachedValuesManager.java:215)
	at com.intellij.psi.impl.PsiParameterizedCachedValue.doCompute(PsiParameterizedCachedValue.kt:24)
	at com.intellij.util.CachedValueBase.lambda$getValueWithLock$3(CachedValueBase.java:299)
	at com.intellij.util.CachedValueBase.computeData(CachedValueBase.java:37)
	at com.intellij.util.CachedValueBase.lambda$getValueWithLock$4(CachedValueBase.java:299)
	at com.intellij.openapi.util.RecursionManager$1.computePreventingRecursion(RecursionManager.java:113)
	at com.intellij.openapi.util.RecursionGuard.doPreventingRecursion(RecursionGuard.java:28)
	at com.intellij.openapi.util.RecursionManager.doPreventingRecursion(RecursionManager.java:68)
	at com.intellij.util.CachedValueBase.getValueWithLock(CachedValueBase.java:300)
	at com.intellij.psi.impl.PsiParameterizedCachedValue.getValue(PsiParameterizedCachedValue.kt:18)
	at com.intellij.psi.util.CachedValuesManager.getParameterizedCachedValue(CachedValuesManager.java:97)
	at com.intellij.psi.util.CachedValuesManager.getCachedValue(CachedValuesManager.java:212)
	at com.intellij.psi.util.CachedValuesManager.getCachedValue(CachedValuesManager.java:136)
	at com.intellij.psi.impl.source.resolve.reference.ReferenceProvidersRegistry.getReferencesFromProviders(ReferenceProvidersRegistry.java:42)
	at com.intellij.psi.impl.source.xml.XmlAttributeValueImpl.getReferences(XmlAttributeValueImpl.java:80)
	at com.intellij.psi.impl.source.xml.XmlAttributeValueImpl.getReferences(XmlAttributeValueImpl.java:95)
	at com.intellij.spellchecker.xml.XmlSpellcheckingStrategy$XmlAttributeValueTokenizer.tokenize(XmlSpellcheckingStrategy.java:206)
	at com.intellij.spellchecker.xml.XmlSpellcheckingStrategy$XmlAttributeValueTokenizer.tokenize(XmlSpellcheckingStrategy.java:180)
	at com.intellij.spellchecker.inspections.SpellCheckingInspection.tokenize(SpellCheckingInspection.java:177)
	at com.intellij.spellchecker.inspections.SpellCheckingInspection.tokenize(SpellCheckingInspection.java:168)
	at com.intellij.spellchecker.inspections.SpellCheckingInspection.inspect(SpellCheckingInspection.java:138)
	at com.intellij.spellchecker.inspections.SpellCheckingInspection$1.visitElement(SpellCheckingInspection.java:128)
	at com.intellij.psi.impl.source.xml.XmlAttributeValueImpl.accept(XmlAttributeValueImpl.java:47)
	at com.intellij.codeInsight.daemon.impl.InspectionRunner$InspectionProblemHolder.visitElement(InspectionRunner.java:609)
	at com.intellij.codeInsight.daemon.impl.InspectionRunner.lambda$processContext$19(InspectionRunner.java:414)
	at com.intellij.codeInsight.daemon.impl.InspectionVisitorOptimizer.acceptElements(InspectionVisitorOptimizer.java:207)
	at com.intellij.codeInsight.daemon.impl.InspectionRunner.processContext(InspectionRunner.java:412)
	at com.intellij.codeInsight.daemon.impl.InspectionRunner.lambda$inspect$7(InspectionRunner.java:179)
	at com.intellij.platform.locking.impl.NestedLocksThreadingSupport.tryRunReadAction(NestedLocksThreadingSupport.kt:826)
	at com.intellij.openapi.application.impl.ApplicationImpl.tryRunReadAction(ApplicationImpl.java:1221)
	at com.intellij.codeInsight.daemon.impl.InspectionRunner.lambda$executeInImpatientReadAction$16(InspectionRunner.java:393)
	at com.intellij.util.AstLoadingFilter.forceAllowTreeLoading(AstLoadingFilter.java:158)
	at com.intellij.util.AstLoadingFilter.forceAllowTreeLoading(AstLoadingFilter.java:150)
	at com.intellij.codeInsight.daemon.impl.InspectionRunner.lambda$executeInImpatientReadAction$17(InspectionRunner.java:384)
	at com.intellij.util.AstLoadingFilter.disallowTreeLoading(AstLoadingFilter.java:129)
	at com.intellij.util.AstLoadingFilter.disallowTreeLoading(AstLoadingFilter.java:118)
	at com.intellij.codeInsight.daemon.impl.InspectionRunner.executeInImpatientReadAction(InspectionRunner.java:384)
	at com.intellij.codeInsight.daemon.impl.InspectionRunner.lambda$inspect$8(InspectionRunner.java:173)
	at com.intellij.concurrency.ApplierCompleter.processArrayItem(ApplierCompleter.java:121)
	at com.intellij.concurrency.ApplierCompleter.processArray(ApplierCompleter.java:219)
	at com.intellij.concurrency.ApplierCompleter.execAll(ApplierCompleter.java:171)
	at com.intellij.concurrency.JobLauncherImpl.lambda$invokeConcurrentlyUnderProgressAsync$3(JobLauncherImpl.java:108)
	at com.intellij.platform.locking.impl.NestedLocksThreadingSupport.tryRunReadAction(NestedLocksThreadingSupport.kt:826)
	at com.intellij.openapi.application.impl.ApplicationImpl.tryRunReadAction(ApplicationImpl.java:1221)
	at com.intellij.concurrency.ApplierCompleter.lambda$wrapInReadActionAndIndicator$2(ApplierCompleter.java:153)
	at com.intellij.openapi.progress.impl.CoreProgressManager.lambda$executeProcessUnderProgress$14(CoreProgressManager.java:681)
	at com.intellij.openapi.progress.impl.CoreProgressManager.registerIndicatorAndRun(CoreProgressManager.java:756)
	at com.intellij.openapi.progress.impl.CoreProgressManager.computeUnderProgress(CoreProgressManager.java:712)
	at com.intellij.openapi.progress.impl.CoreProgressManager.executeProcessUnderProgress(CoreProgressManager.java:680)
	at com.intellij.ope

To Reproduce (*)

Steps to reproduce the behavior:

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

If applicable, add screenshots to help explain your problem.

Please complete the following information: (*)

• OS: Windows 11.0
• PhpStorm/Intellij version: 2025.2.6
• Plugin Version: 2025.2.2

Additional context

Add any other context about the problem here.

[m2-assistant]

Hi @Bashev. Thank you for your report.
To speed up processing of this issue, make sure that you provided sufficient information.
Add a comment to assign the issue: @magento I am working on this

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