[ https://issues.apache.org/jira/browse/NETBEANS-1224?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
ASF GitHub Bot updated NETBEANS-1224: ------------------------------------- Labels: pull-request-available (was: ) > Code completion for lambda parameter throwing exception in jdk-11 > ----------------------------------------------------------------- > > Key: NETBEANS-1224 > URL: https://issues.apache.org/jira/browse/NETBEANS-1224 > Project: NetBeans > Issue Type: Bug > Components: java - Editor > Reporter: ARUNAVA SINHA > Priority: Major > Labels: pull-request-available > Attachments: TestClass.java > > > If we have a functional interface as method argument and we want to implement > it using lambda expression , then on trying to do code-completion for lambda > param exception occurs. > The issue is reproducible in Open JDK-11 with or without nb-javac(for jdk-11) > The issue was reproduced using OpenJDK 64-Bit Server VM 18.9 (build 11+28, > mixed mode) > Please find below sample code for simulating the issue. > public class JavaApplication1 { > public static void main(String[] args) > { JavaApplication1 obj = new JavaApplication1(); obj.test((var a,^ )); } > private void test(FuncInterface f) {} > interface FuncInterface\{ public void test(String s, int p, long v); } > } > > On doing ctl+space at '^' throwing below exception. > ===================== > java.lang.NullPointerException > at jdk.compiler/com.sun.tools.javac.code.Types.subst(Types.java:3258) > at > jdk.compiler/com.sun.tools.javac.comp.InferenceContext.asUndetVar(InferenceContext.java:207) > at > jdk.compiler/com.sun.tools.javac.comp.InferenceContext.asUndetVars(InferenceContext.java:213) > at > jdk.compiler/com.sun.tools.javac.comp.Attr.checkLambdaCompatible(Attr.java:2872) > at jdk.compiler/com.sun.tools.javac.comp.Attr.visitLambda(Attr.java:2610) > at > jdk.compiler/com.sun.tools.javac.tree.JCTree$JCLambda.accept(JCTree.java:1807) > at jdk.compiler/com.sun.tools.javac.comp.Attr.attribTree(Attr.java:655) > at > jdk.compiler/com.sun.tools.javac.comp.DeferredAttr.attribSpeculative(DeferredAttr.java:497) > at > jdk.compiler/com.sun.tools.javac.comp.DeferredAttr.attribSpeculative(DeferredAttr.java:480) > at > jdk.compiler/com.sun.tools.javac.comp.DeferredAttr$4.complete(DeferredAttr.java:368) > at > jdk.compiler/com.sun.tools.javac.comp.DeferredAttr$DeferredType.check(DeferredAttr.java:334) > at > jdk.compiler/com.sun.tools.javac.comp.DeferredAttr$DeferredType.check(DeferredAttr.java:320) > at > jdk.compiler/com.sun.tools.javac.comp.DeferredAttr$RecoveryDeferredTypeMap.recover(DeferredAttr.java:1033) > at > jdk.compiler/com.sun.tools.javac.comp.DeferredAttr$RecoveryDeferredTypeMap.typeOf(DeferredAttr.java:1022) > at > jdk.compiler/com.sun.tools.javac.comp.Resolve$ResolveDeferredRecoveryMap.typeOf(Resolve.java:2554) > at > jdk.compiler/com.sun.tools.javac.comp.DeferredAttr$DeferredTypeMap.visitType(DeferredAttr.java:989) > at > jdk.compiler/com.sun.tools.javac.comp.DeferredAttr$RecoveryDeferredTypeMap.visitType(DeferredAttr.java:1012) > at > jdk.compiler/com.sun.tools.javac.comp.DeferredAttr$DeferredTypeMap.visitType(DeferredAttr.java:975) > at jdk.compiler/com.sun.tools.javac.code.Type.accept(Type.java:214) > at > jdk.compiler/com.sun.tools.javac.code.Types$MapVisitor.visit(Types.java:4940) > at > jdk.compiler/com.sun.tools.javac.code.Types$TypeMapping.apply(Types.java:4951) > at > jdk.compiler/com.sun.tools.javac.code.Types$TypeMapping.apply(Types.java:4949) > at jdk.compiler/com.sun.tools.javac.util.List.map(List.java:425) > at > jdk.compiler/com.sun.tools.javac.comp.Resolve$8.getArgumentTypes(Resolve.java:2542) > at > jdk.compiler/com.sun.tools.javac.comp.Resolve.accessInternal(Resolve.java:2463) > at > jdk.compiler/com.sun.tools.javac.comp.Resolve.accessMethod(Resolve.java:2483) > at > jdk.compiler/com.sun.tools.javac.comp.Resolve$BasicLookupHelper.access(Resolve.java:3297) > at jdk.compiler/com.sun.tools.javac.comp.Resolve$10.access(Resolve.java:2651) > at > jdk.compiler/com.sun.tools.javac.comp.Resolve.lookupMethod(Resolve.java:3538) > at > jdk.compiler/com.sun.tools.javac.comp.Resolve.resolveQualifiedMethod(Resolve.java:2641) > at > jdk.compiler/com.sun.tools.javac.comp.Resolve.resolveQualifiedMethod(Resolve.java:2635) > at jdk.compiler/com.sun.tools.javac.comp.Attr.selectSym(Attr.java:3721) > at jdk.compiler/com.sun.tools.javac.comp.Attr.visitSelect(Attr.java:3601) > at > jdk.compiler/com.sun.tools.javac.tree.JCTree$JCFieldAccess.accept(JCTree.java:2110) > at jdk.compiler/com.sun.tools.javac.comp.Attr.attribTree(Attr.java:655) > at jdk.compiler/com.sun.tools.javac.comp.Attr.visitApply(Attr.java:2006) > at > jdk.compiler/com.sun.tools.javac.tree.JCTree$JCMethodInvocation.accept(JCTree.java:1634) > at jdk.compiler/com.sun.tools.javac.comp.Attr.attribTree(Attr.java:655) > at jdk.compiler/com.sun.tools.javac.comp.Attr.attribExpr(Attr.java:702) > at jdk.compiler/com.sun.tools.javac.comp.Attr.visitExec(Attr.java:1773) > at > jdk.compiler/com.sun.tools.javac.tree.JCTree$JCExpressionStatement.accept(JCTree.java:1452) > at jdk.compiler/com.sun.tools.javac.comp.Attr.attribTree(Attr.java:655) > at jdk.compiler/com.sun.tools.javac.comp.Attr.attribStat(Attr.java:724) > at jdk.compiler/com.sun.tools.javac.comp.Attr.attribStats(Attr.java:743) > at jdk.compiler/com.sun.tools.javac.comp.Attr.visitBlock(Attr.java:1294) > at org.netbeans.lib.nbjavac.services.NBAttr.visitBlock(NBAttr.java:69) > at > jdk.compiler/com.sun.tools.javac.tree.JCTree$JCBlock.accept(JCTree.java:1020) > at jdk.compiler/com.sun.tools.javac.comp.Attr.attribTree(Attr.java:655) > at jdk.compiler/com.sun.tools.javac.comp.Attr.attribStat(Attr.java:724) > at jdk.compiler/com.sun.tools.javac.comp.Attr.attribStatToTree(Attr.java:420) > at > jdk.compiler/com.sun.tools.javac.api.JavacTrees.attribStatToTree(JavacTrees.java:937) > at > jdk.compiler/com.sun.tools.javac.api.JavacTrees.getAttrContext(JavacTrees.java:911) > at > jdk.compiler/com.sun.tools.javac.api.JavacTrees.getScope(JavacTrees.java:785) > at > jdk.compiler/com.sun.tools.javac.api.JavacTrees.getScope(JavacTrees.java:165) > at > org.netbeans.modules.java.completion.BaseTask.getEnvImpl(BaseTask.java:319) > at > org.netbeans.modules.java.completion.BaseTask.getCompletionEnvironment(BaseTask.java:269) > at > org.netbeans.modules.java.completion.JavaCompletionTask.resolve(JavaCompletionTask.java:288) > at org.netbeans.modules.java.completion.BaseTask.run(BaseTask.java:93) > at > org.netbeans.modules.java.completion.JavaCompletionTask.run(JavaCompletionTask.java:59) > at > org.netbeans.modules.parsing.impl.TaskProcessor.callUserTask(TaskProcessor.java:586) > at > org.netbeans.modules.parsing.api.ParserManager$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$2.call(TaskProcessor.java:178) > at > org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager.priorityIO(FileChangedManager.java:153) > at > org.netbeans.modules.masterfs.providers.ProvidedExtensions.priorityIO(ProvidedExtensions.java:335) > at > org.netbeans.modules.parsing.nb.DataObjectEnvFactory.runPriorityIO(DataObjectEnvFactory.java:118) > at > org.netbeans.modules.parsing.impl.Utilities.runPriorityIO(Utilities.java:67) > at > org.netbeans.modules.parsing.impl.TaskProcessor.runUserTask(TaskProcessor.java:178) > Caused: org.netbeans.modules.parsing.spi.ParseException > at > org.netbeans.modules.parsing.impl.TaskProcessor.runUserTask(TaskProcessor.java:186) > at > org.netbeans.modules.parsing.api.ParserManager.parse(ParserManager.java:81) > [catch] at > org.netbeans.modules.editor.java.JavaCompletionProvider$JavaCompletionQuery.query(JavaCompletionProvider.java:193) > at > org.netbeans.spi.editor.completion.support.AsyncCompletionTask.run(AsyncCompletionTask.java:198) > 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) -- This message was sent by Atlassian JIRA (v7.6.3#76005) --------------------------------------------------------------------- To unsubscribe, e-mail: commits-unsubscr...@netbeans.apache.org For additional commands, e-mail: commits-h...@netbeans.apache.org For further information about the NetBeans mailing lists, visit: https://cwiki.apache.org/confluence/display/NETBEANS/Mailing+lists