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[GH-ISSUE #4] findAssignments causing ArrayIndexOutOfBoundsException #1

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opened 2026-05-22 22:05:05 +01:00 by JakeStanger · 0 comments
JakeStanger commented 2026-05-22 22:05:05 +01:00
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Originally created by @yuanbo1998 on GitHub (Aug 8, 2025).
Original GitHub issue: https://github.com/corn-config/corn-intellij/issues/4

java.lang.ArrayIndexOutOfBoundsException: Index 0 out of bounds for length 0
	at dev.jstanger.language.CornUtil.findAssignments(CornUtil.java:29)
	at dev.jstanger.language.CornChooseByNameContributor.getNames(CornChooseByNameContributor.java:16)
	at com.intellij.ide.util.gotoByName.ContributorsBasedGotoByModel.processContributorNames(ContributorsBasedGotoByModel.java:132)
	at com.intellij.ide.util.gotoByName.ContributorsBasedGotoByModel$1.processInReadAction(ContributorsBasedGotoByModel.java:83)
	at com.intellij.ide.util.gotoByName.ContributorsBasedGotoByModel$1.processInReadAction(ContributorsBasedGotoByModel.java:77)
	at com.intellij.openapi.application.ReadActionProcessor.lambda$process$0(ReadActionProcessor.java:11)
	at com.intellij.openapi.application.impl.AppImplKt$rethrowCheckedExceptions$2.invoke(appImpl.kt:106)
	at com.intellij.platform.locking.impl.NestedLocksThreadingSupport.runReadAction(NestedLocksThreadingSupport.kt:784)
	at com.intellij.openapi.application.impl.ApplicationImpl.runReadAction(ApplicationImpl.java:1043)
	at com.intellij.openapi.application.ReadAction.compute(ReadAction.java:66)
	at com.intellij.openapi.application.ReadActionProcessor.process(ReadActionProcessor.java:11)
	at com.intellij.concurrency.JobLauncherImpl.lambda$invokeConcurrentlyUnderProgressAsync$1(JobLauncherImpl.java:74)
	at com.intellij.openapi.progress.impl.CoreProgressManager.computePrioritized(CoreProgressManager.java:865)
	at com.intellij.concurrency.JobLauncherImpl.lambda$invokeConcurrentlyUnderProgressAsync$2(JobLauncherImpl.java:74)
	at com.intellij.concurrency.ApplierCompleter.processArrayItem(ApplierCompleter.java:121)
	at com.intellij.concurrency.ApplierCompleter.processArray(ApplierCompleter.java:219)
	at com.intellij.concurrency.ApplierCompleter.execAll(ApplierCompleter.java:171)
	at com.intellij.concurrency.ApplierCompleter.lambda$exec$0(ApplierCompleter.java:110)
	at com.intellij.platform.locking.impl.NestedLocksThreadingSupport.tryRunReadAction(NestedLocksThreadingSupport.kt:826)
	at com.intellij.openapi.application.impl.ApplicationImpl.tryRunReadAction(ApplicationImpl.java:1221)
	at com.intellij.concurrency.ApplierCompleter.lambda$wrapInReadActionAndIndicator$2(ApplierCompleter.java:153)
	at com.intellij.openapi.progress.impl.CoreProgressManager.lambda$executeProcessUnderProgress$14(CoreProgressManager.java:681)
	at com.intellij.openapi.progress.impl.CoreProgressManager.registerIndicatorAndRun(CoreProgressManager.java:756)
	at com.intellij.openapi.progress.impl.CoreProgressManager.computeUnderProgress(CoreProgressManager.java:712)
	at com.intellij.openapi.progress.impl.CoreProgressManager.executeProcessUnderProgress(CoreProgressManager.java:680)
	at com.intellij.openapi.progress.impl.ProgressManagerImpl.executeProcessUnderProgress(ProgressManagerImpl.java:78)
	at com.intellij.concurrency.ApplierCompleter.wrapInReadActionAndIndicator(ApplierCompleter.java:164)
	at com.intellij.concurrency.ApplierCompleter.wrapAndRun(ApplierCompleter.java:148)
	at com.intellij.concurrency.ApplierCompleter.exec(ApplierCompleter.java:113)
	at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:507)
	at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1491)
	at java.base/java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:2073)
	at java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:2035)
	at java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:187)
Originally created by @yuanbo1998 on GitHub (Aug 8, 2025). Original GitHub issue: https://github.com/corn-config/corn-intellij/issues/4 ``` java.lang.ArrayIndexOutOfBoundsException: Index 0 out of bounds for length 0 at dev.jstanger.language.CornUtil.findAssignments(CornUtil.java:29) at dev.jstanger.language.CornChooseByNameContributor.getNames(CornChooseByNameContributor.java:16) at com.intellij.ide.util.gotoByName.ContributorsBasedGotoByModel.processContributorNames(ContributorsBasedGotoByModel.java:132) at com.intellij.ide.util.gotoByName.ContributorsBasedGotoByModel$1.processInReadAction(ContributorsBasedGotoByModel.java:83) at com.intellij.ide.util.gotoByName.ContributorsBasedGotoByModel$1.processInReadAction(ContributorsBasedGotoByModel.java:77) at com.intellij.openapi.application.ReadActionProcessor.lambda$process$0(ReadActionProcessor.java:11) at com.intellij.openapi.application.impl.AppImplKt$rethrowCheckedExceptions$2.invoke(appImpl.kt:106) at com.intellij.platform.locking.impl.NestedLocksThreadingSupport.runReadAction(NestedLocksThreadingSupport.kt:784) at com.intellij.openapi.application.impl.ApplicationImpl.runReadAction(ApplicationImpl.java:1043) at com.intellij.openapi.application.ReadAction.compute(ReadAction.java:66) at com.intellij.openapi.application.ReadActionProcessor.process(ReadActionProcessor.java:11) at com.intellij.concurrency.JobLauncherImpl.lambda$invokeConcurrentlyUnderProgressAsync$1(JobLauncherImpl.java:74) at com.intellij.openapi.progress.impl.CoreProgressManager.computePrioritized(CoreProgressManager.java:865) at com.intellij.concurrency.JobLauncherImpl.lambda$invokeConcurrentlyUnderProgressAsync$2(JobLauncherImpl.java:74) at com.intellij.concurrency.ApplierCompleter.processArrayItem(ApplierCompleter.java:121) at com.intellij.concurrency.ApplierCompleter.processArray(ApplierCompleter.java:219) at com.intellij.concurrency.ApplierCompleter.execAll(ApplierCompleter.java:171) at com.intellij.concurrency.ApplierCompleter.lambda$exec$0(ApplierCompleter.java:110) at com.intellij.platform.locking.impl.NestedLocksThreadingSupport.tryRunReadAction(NestedLocksThreadingSupport.kt:826) at com.intellij.openapi.application.impl.ApplicationImpl.tryRunReadAction(ApplicationImpl.java:1221) at com.intellij.concurrency.ApplierCompleter.lambda$wrapInReadActionAndIndicator$2(ApplierCompleter.java:153) at com.intellij.openapi.progress.impl.CoreProgressManager.lambda$executeProcessUnderProgress$14(CoreProgressManager.java:681) at com.intellij.openapi.progress.impl.CoreProgressManager.registerIndicatorAndRun(CoreProgressManager.java:756) at com.intellij.openapi.progress.impl.CoreProgressManager.computeUnderProgress(CoreProgressManager.java:712) at com.intellij.openapi.progress.impl.CoreProgressManager.executeProcessUnderProgress(CoreProgressManager.java:680) at com.intellij.openapi.progress.impl.ProgressManagerImpl.executeProcessUnderProgress(ProgressManagerImpl.java:78) at com.intellij.concurrency.ApplierCompleter.wrapInReadActionAndIndicator(ApplierCompleter.java:164) at com.intellij.concurrency.ApplierCompleter.wrapAndRun(ApplierCompleter.java:148) at com.intellij.concurrency.ApplierCompleter.exec(ApplierCompleter.java:113) at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:507) at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1491) at java.base/java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:2073) at java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:2035) at java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:187) ```
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corn-config/corn-intellij#1
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