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https://issues.apache.org/jira/browse/NETBEANS-2956?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16908726#comment-16908726
]
ARUNAVA SINHA commented on NETBEANS-2956:
-----------------------------------------
Also please try to simulate the issue without nb-javac plugin to verify is the
issue is specific to nb-javac plugin or not.
You can run JDK 11/12 without nb-javac plugin installed. Plugin is required
only for jdk 8 or below
> NullPointerException during Import Classes operation after pasting Java code
> into Editor
> ----------------------------------------------------------------------------------------
>
> Key: NETBEANS-2956
> URL: https://issues.apache.org/jira/browse/NETBEANS-2956
> Project: NetBeans
> Issue Type: Bug
> Components: java - Source
> Affects Versions: 11.0, 11.1
> Environment: Project is being built using OpenJDK 12
> Same on Windows 10 and Linux
> Same when Netbeans is running on either JDK 8 or OpenJDK 12
> Same on Netbeans 11.0 and Netbeans 11.1 (both with nb-javac 1.6 installed)
> Same with new built-in Gradle plugin, or old Gradle Support plugin 2.0.0
> Gradle 5.5
> Reporter: Travis
> Assignee: ARUNAVA SINHA
> Priority: Major
>
> I'm building my Java project using OpenJDK 12 and Netbeans 11.1. Everything
> was working fine with the same project when it was built on JDK 8. We
> recently updated to JDK 12 and this problem appeared immediately at that time.
>
> The problem happens reliably whenever I copy-paste code from one file to
> another, and the code requires several imports to be added to the destination
> file. This causes the "Import Classes" dialog to appear. When I hit "OK"
> button there, I immediately get the NullPointerException shown below. After
> the exception, the code is still pasted, but the necessary import lines do
> not get added. Furthermore, manually running "Source:Fix Imports..."
> afterward also fails to add the necessary imports.
> This bug makes the IDE pretty unusable for ongoing development work. This is
> forcing me and others on my team, sadly, to use a different IDE for now, as
> we have found no workaround yet.
>
> java.lang.NullPointerException
> at com.sun.tools.javac.comp.Resolve.isAccessible(Resolve.java:334)
> at
> org.netbeans.lib.nbjavac.services.NBResolve.isAccessible(NBResolve.java:72)
> at com.sun.tools.javac.comp.Resolve.isAccessible(Resolve.java:379)
> at com.sun.tools.javac.comp.Resolve.isAccessible(Resolve.java:441)
> at
> org.netbeans.lib.nbjavac.services.NBResolve.isAccessible(NBResolve.java:66)
> at com.sun.tools.javac.api.JavacTrees.isAccessible(JavacTrees.java:913)
> at
> org.netbeans.api.java.source.GeneratorUtilities.getImportedElement(GeneratorUtilities.java:1826)
> at
> org.netbeans.api.java.source.GeneratorUtilities.addImports(GeneratorUtilities.java:1173)
> at
> org.netbeans.modules.java.editor.imports.ClipboardHandler$1.run(ClipboardHandler.java:159)
> at
> org.netbeans.modules.java.editor.imports.ClipboardHandler$1.run(ClipboardHandler.java:126)
> at org.netbeans.api.java.source.JavaSource$1.run(JavaSource.java:673)
> at org.netbeans.api.java.source.JavaSource$1.run(JavaSource.java:663)
> at org.netbeans.api.java.source.JavaSource$MultiTask.run(JavaSource.java:502)
> 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:452)
> at
> org.netbeans.api.java.source.JavaSource.runUserActionTask(JavaSource.java:423)
> at
> org.netbeans.api.java.source.JavaSource.runModificationTask(JavaSource.java:684)
> at
> org.netbeans.modules.java.editor.imports.ClipboardHandler.doImport(ClipboardHandler.java:126)
> at
> org.netbeans.modules.java.editor.imports.ClipboardHandler.access$100(ClipboardHandler.java:113)
> at
> org.netbeans.modules.java.editor.imports.ClipboardHandler$4$1.run(ClipboardHandler.java:216)
> at org.openide.util.RequestProcessor$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)
> [catch] at
> org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2033)
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