Eirik Bakke created NETBEANS-4384:
-------------------------------------
Summary: Assertion error ("Invalid pool entry") in javac when
accessing inaccessible field in enclosing class
Key: NETBEANS-4384
URL: https://issues.apache.org/jira/browse/NETBEANS-4384
Project: NetBeans
Issue Type: Bug
Components: java - Compiler
Environment: NetBeans 11.3 on Java 13 with nbjavac plugin installed
Reporter: Eirik Bakke
The following example, where a field in an enclosing class is referenced from a
method in an inner static class (e.g. during editing, before the user has
removed the "static" keyword) causes an assertion error in javac:
{code:java}
public class TestClass {
Object someField;
private static class Foo {
public void someMethod() {
System.out.println(someField);
}
}
}
{code}
The error, which pops up consistently every time, is as follows:
{noformat}
java.lang.AssertionError: Invalid pool entry
at com.sun.tools.javac.code.Type.poolTag(Type.java:134)
at
com.sun.tools.javac.jvm.PoolWriter$WriteablePoolHelper.writeConstant(PoolWriter.java:362)
at
com.sun.tools.javac.jvm.PoolWriter$WriteablePoolHelper.writeIfNeeded(PoolWriter.java:353)
at
com.sun.tools.javac.jvm.PoolWriter$WriteablePoolHelper.access$000(PoolWriter.java:331)
at com.sun.tools.javac.jvm.PoolWriter.putMember(PoolWriter.java:125)
at com.sun.tools.javac.jvm.Code.emitop2(Code.java:1004)
at com.sun.tools.javac.jvm.Items$MemberItem.load(Items.java:518)
at com.sun.tools.javac.jvm.Gen.genArgs(Gen.java:889)
at com.sun.tools.javac.jvm.Gen.visitApply(Gen.java:1855)
at
com.sun.tools.javac.tree.JCTree$JCMethodInvocation.accept(JCTree.java:1743)
at com.sun.tools.javac.jvm.Gen.genExpr(Gen.java:864)
at com.sun.tools.javac.jvm.Gen.visitExec(Gen.java:1723)
at
com.sun.tools.javac.tree.JCTree$JCExpressionStatement.accept(JCTree.java:1529)
at com.sun.tools.javac.jvm.Gen.genDef(Gen.java:601)
at com.sun.tools.javac.jvm.Gen.genStat(Gen.java:636)
at com.sun.tools.javac.jvm.Gen.genStat(Gen.java:622)
at com.sun.tools.javac.jvm.Gen.genStats(Gen.java:673)
at com.sun.tools.javac.jvm.Gen.visitBlock(Gen.java:1084)
at com.sun.tools.javac.tree.JCTree$JCBlock.accept(JCTree.java:1036)
at com.sun.tools.javac.jvm.Gen.genDef(Gen.java:601)
at com.sun.tools.javac.jvm.Gen.genStat(Gen.java:636)
at com.sun.tools.javac.jvm.Gen.genMethod(Gen.java:954)
at com.sun.tools.javac.jvm.Gen.visitMethodDef(Gen.java:917)
at com.sun.tools.javac.tree.JCTree$JCMethodDecl.accept(JCTree.java:882)
at com.sun.tools.javac.jvm.Gen.genDef(Gen.java:601)
at com.sun.tools.javac.jvm.Gen.genClass(Gen.java:2398)
at com.sun.tools.javac.main.JavaCompiler.genCode(JavaCompiler.java:786)
at
com.sun.tools.javac.main.JavaCompiler.generate(JavaCompiler.java:1749)
at
com.sun.tools.javac.api.JavacTaskImpl$2.process(JavacTaskImpl.java:574)
at
com.sun.tools.javac.api.JavacTaskImpl$Filter.run(JavacTaskImpl.java:651)
at
com.sun.tools.javac.api.JavacTaskImpl.generate(JavacTaskImpl.java:577)
[catch] at
org.netbeans.modules.java.source.nbjavac.indexing.MultiPassCompileWorker.compile(MultiPassCompileWorker.java:303)
at
org.netbeans.modules.java.source.indexing.JavaCustomIndexer.index(JavaCustomIndexer.java:361)
at
org.netbeans.modules.parsing.spi.indexing.Indexable$MyAccessor$2.run(Indexable.java:138)
at
org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater.runIndexer(RepositoryUpdater.java:275)
at
org.netbeans.modules.parsing.spi.indexing.Indexable$MyAccessor.index(Indexable.java:136)
at
org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work.doIndex(RepositoryUpdater.java:2750)
at
org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work.access$800(RepositoryUpdater.java:2154)
at
org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work$1.run(RepositoryUpdater.java:2636)
at
org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work$1.run(RepositoryUpdater.java:2634)
at
org.netbeans.modules.parsing.impl.indexing.errors.TaskCache.refreshTransaction(TaskCache.java:540)
at
org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work.index(RepositoryUpdater.java:2634)
at
org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work$3.call(RepositoryUpdater.java:3300)
at
org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work$3.call(RepositoryUpdater.java:3255)
at
org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$4.run(RepositoryUpdater.java:2127)
at org.openide.util.lookup.Lookups.executeWith(Lookups.java:279)
at
org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater.runInContext(RepositoryUpdater.java:2123)
at
org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater.runInContext(RepositoryUpdater.java:2104)
at
org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater.access$1500(RepositoryUpdater.java:136)
at
org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work.scanFiles(RepositoryUpdater.java:3255)
at
org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$FileListWork.getDone(RepositoryUpdater.java:3785)
at
org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work.doTheWork(RepositoryUpdater.java:3420)
at
org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Task._run(RepositoryUpdater.java:6183)
at
org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Task.access$4300(RepositoryUpdater.java:5834)
at
org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Task$2$1.run(RepositoryUpdater.java:6099)
at org.openide.util.lookup.Lookups.executeWith(Lookups.java:279)
at
org.netbeans.modules.parsing.impl.RunWhenScanFinishedSupport.performScan(RunWhenScanFinishedSupport.java:83)
at
org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Task$2.call(RepositoryUpdater.java:6095)
at
org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Task$2.call(RepositoryUpdater.java:6091)
at
org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager.priorityIO(FileChangedManager.java:153)
at
org.netbeans.modules.masterfs.providers.ProvidedExtensions.priorityIO(ProvidedExtensions.java:335)
at
org.netbeans.modules.parsing.nb.DataObjectEnvFactory.runPriorityIO(DataObjectEnvFactory.java:118)
at
org.netbeans.modules.parsing.impl.Utilities.runPriorityIO(Utilities.java:67)
at
org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Task.run(RepositoryUpdater.java:6091)
at
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
at
org.openide.util.RequestProcessor$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)
{noformat}
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