Class cast exception in MapStruct Support plugin.

[gloss82]

Mapstruct Plugin 1.2.1

IntelliJ IDEA 2020.1.2 (Ultimate Edition)
Build #IU-201.7846.76, built on June 1, 2020
Licensed to **********
Subscription is active until September 23, 2020
Runtime version: 11.0.7+10-b765.53 amd64
VM: OpenJDK 64-Bit Server VM by JetBrains s.r.o.
Linux 5.4.0-40-generic
GC: ParNew, ConcurrentMarkSweep
Memory: 1979M
Cores: 24
Non-Bundled Plugins: GenerateSerialVersionUID, Lombook Plugin, org.mapstruct.intellij, MavenRunHelper, org.jetbrains.kotlin, cn.wuzhizhan.plugin.mybatis
Current Desktop: ubuntu:GNOME

Stack trace:

java.lang.ClassCastException: class com.intellij.psi.impl.source.tree.java.PsiNameValuePairImpl cannot be cast to class com.intellij.psi.PsiMethod (com.intellij.psi.impl.source.tree.java.PsiNameValuePairImpl and com.intellij.psi.PsiMethod are in unnamed module of loader com.intellij.ide.plugins.cl.PluginClassLoader @18f7cdd9)
	at org.mapstruct.intellij.expression.JavaExpressionInjector.getLanguagesToInject(JavaExpressionInjector.java:94)
	at com.intellij.psi.impl.source.tree.injected.InjectedLanguageManagerImpl.processInPlaceInjectorsFor(InjectedLanguageManagerImpl.java:423)
	at com.intellij.psi.impl.source.tree.injected.InjectedLanguageUtil.probeElementsUp(InjectedLanguageUtil.java:345)
	at com.intellij.psi.impl.source.tree.injected.InjectedLanguageUtil.enumerate(InjectedLanguageUtil.java:164)
	at com.intellij.psi.impl.source.tree.injected.InjectedLanguageManagerImpl.enumerateEx(InjectedLanguageManagerImpl.java:321)
	at com.intellij.codeInsight.daemon.impl.InjectedGeneralHighlightingPass.lambda$getInjectedPsiFiles$3(InjectedGeneralHighlightingPass.java:184)
	at com.intellij.concurrency.ApplierCompleter.execAndForkSubTasks(ApplierCompleter.java:149)
	at com.intellij.concurrency.ApplierCompleter.execAndForkSubTasks(ApplierCompleter.java:162)
	at com.intellij.concurrency.ApplierCompleter.execAndForkSubTasks(ApplierCompleter.java:162)
	at com.intellij.concurrency.ApplierCompleter.execAndForkSubTasks(ApplierCompleter.java:162)
	at com.intellij.concurrency.ApplierCompleter.execAndForkSubTasks(ApplierCompleter.java:162)
	at com.intellij.openapi.application.impl.ApplicationImpl.tryRunReadAction(ApplicationImpl.java:1106)
	at com.intellij.concurrency.ApplierCompleter.lambda$wrapInReadActionAndIndicator$1(ApplierCompleter.java:105)
	at com.intellij.openapi.progress.impl.CoreProgressManager.registerIndicatorAndRun(CoreProgressManager.java:627)
	at com.intellij.openapi.progress.impl.CoreProgressManager.executeProcessUnderProgress(CoreProgressManager.java:572)
	at com.intellij.openapi.progress.impl.ProgressManagerImpl.executeProcessUnderProgress(ProgressManagerImpl.java:61)
	at com.intellij.concurrency.ApplierCompleter.wrapInReadActionAndIndicator(ApplierCompleter.java:117)
	at com.intellij.concurrency.ApplierCompleter.lambda$compute$0(ApplierCompleter.java:96)
	at com.intellij.openapi.application.impl.ReadMostlyRWLock.executeByImpatientReader(ReadMostlyRWLock.java:168)
	at com.intellij.openapi.application.impl.ApplicationImpl.executeByImpatientReader(ApplicationImpl.java:168)
	at com.intellij.concurrency.ApplierCompleter.compute(ApplierCompleter.java:96)
	at java.base/java.util.concurrent.CountedCompleter.exec(CountedCompleter.java:746)
	at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:290)
	at java.base/java.util.concurrent.ForkJoinPool$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:177)

[filiphr]

Thanks for raising the issue. This has already been fixed with #52. We'll do a release soon. FYI this only happens with @Mappings is used