Details
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Bug
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Status: Open
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Major
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Resolution: Unresolved
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10.0
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None
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None
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Ubuntu 18.04
Netbeans is running on OpenJDK 11.0.1+13-Ubuntu-3ubuntu118.04ppa1
The Java platform for the project is OpenJDK 1.8.0_191-8u191-b12-2ubuntu0.18.04.1-b12
Description
Invoking the "Implement all abstract methods" hint action produces a ClassCastException when the type of the parameters of the methods to implement is not in the classpath.
Here is the stack trace:
java.lang.ClassCastException: class com.sun.tools.javac.code.Type$ClassType cannot be cast to class com.sun.tools.javac.code.Type$ErrorType (com.sun.tools.javac.code.Type$ClassType and com.sun.tools.javac.code.Type$ErrorType are in unnamed module of loader org.netbeans.StandardModule$OneModuleClassLoader @2fd0241) at org.netbeans.modules.java.source.builder.TreeFactory.Type(TreeFactory.java:797) at org.netbeans.api.java.source.TreeMaker.Type(TreeMaker.java:1083) at org.netbeans.api.java.source.GeneratorUtilities.resolveWildcard(GeneratorUtilities.java:1784) at org.netbeans.api.java.source.GeneratorUtilities.createMethod(GeneratorUtilities.java:818) at org.netbeans.api.java.source.GeneratorUtilities.createMethod(GeneratorUtilities.java:1693) at org.netbeans.api.java.source.GeneratorUtilities.createAbstractMethodImplementation(GeneratorUtilities.java:721) at org.netbeans.api.java.source.GeneratorUtilities.createAbstractMethodImplementations(GeneratorUtilities.java:705) at org.netbeans.modules.java.hints.errors.ImplementAllAbstractMethods.generateAllAbstractMethodImplementations(ImplementAllAbstractMethods.java:587) at org.netbeans.modules.java.hints.errors.ImplementAllAbstractMethods$ImplementFixBase.generateImplementation(ImplementAllAbstractMethods.java:402) at org.netbeans.modules.java.hints.errors.ImplementAllAbstractMethods$ImplementAbstractMethodsFix.executeRound(ImplementAllAbstractMethods.java:548) at org.netbeans.modules.java.hints.errors.ImplementAllAbstractMethods$ImplementFixBase.run(ImplementAllAbstractMethods.java:363) at org.netbeans.modules.java.hints.errors.ImplementAllAbstractMethods$ImplementFixBase.run(ImplementAllAbstractMethods.java:285) at org.netbeans.api.java.source.JavaSource$1.run(JavaSource.java:672) at org.netbeans.api.java.source.JavaSource$1.run(JavaSource.java:662) at org.netbeans.api.java.source.JavaSource$MultiTask.run(JavaSource.java:501) at org.netbeans.modules.parsing.impl.TaskProcessor.callUserTask(TaskProcessor.java:586) at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:130) at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:114) at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:181) at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:178) at org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager.priorityIO(FileChangedManager.java:153) at org.netbeans.modules.masterfs.providers.ProvidedExtensions.priorityIO(ProvidedExtensions.java:335) at org.netbeans.modules.parsing.nb.DataObjectEnvFactory.runPriorityIO(DataObjectEnvFactory.java:118) at org.netbeans.modules.parsing.impl.Utilities.runPriorityIO(Utilities.java:67) at org.netbeans.modules.parsing.impl.TaskProcessor.runUserTask(TaskProcessor.java:178) at org.netbeans.modules.parsing.api.ParserManager.parse(ParserManager.java:81) at org.netbeans.api.java.source.JavaSource.runUserActionTaskImpl(JavaSource.java:451) at org.netbeans.api.java.source.JavaSource.runUserActionTask(JavaSource.java:422) at org.netbeans.api.java.source.JavaSource.runModificationTask(JavaSource.java:683) at org.netbeans.modules.java.hints.errors.ImplementAllAbstractMethods$ImplementFixBase.implement(ImplementAllAbstractMethods.java:341) [catch] at org.netbeans.modules.editor.hints.HintsUI$1.run(HintsUI.java:810) at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1418) at org.netbeans.modules.openide.util.GlobalLookup.execute(GlobalLookup.java:45) at org.openide.util.lookup.Lookups.executeWith(Lookups.java:278) at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2033)