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@jlahoda jlahoda commented Mar 10, 2019

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List<FileObject> projectCandidates = new ArrayList<>();
List<WorkspaceFolder> folders = init.getWorkspaceFolders();
if (folders != null) {
for (WorkspaceFolder w : folders) {

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Jackpot:
warning: Can use functional operations

}
}
List<Project> projects = new ArrayList<>();
for (FileObject candidate : projectCandidates) {

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Jackpot:
warning: Can use functional operations

import java.io.InputStream;
import java.io.OutputStream;
import java.net.MalformedURLException;
import java.net.URL;

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Jackpot:
warning: Unused Import

import org.openide.filesystems.FileUtil;
import org.openide.modules.ModuleInfo;
import org.openide.modules.Places;
import org.openide.util.Exceptions;

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Jackpot:
warning: Unused Import

import org.netbeans.api.project.ui.OpenProjects;
import org.netbeans.modules.java.lsp.server.text.TextDocumentServiceImpl;
import org.netbeans.modules.java.lsp.server.workspace.WorkspaceServiceImpl;
import org.netbeans.modules.parsing.impl.indexing.DefaultCacheFolderProvider;

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Jackpot:
warning: Unused Import

import org.netbeans.modules.parsing.impl.indexing.DefaultCacheFolderProvider;
import org.netbeans.modules.parsing.impl.indexing.implspi.CacheFolderProvider;
import org.openide.filesystems.FileObject;
import org.openide.filesystems.FileUtil;

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Jackpot:
warning: Unused Import

//XXX: ensure project opened:
try {
Class.forName("org.netbeans.modules.project.ui.OpenProjectList", false, Lookup.getDefault().lookup(ClassLoader.class)).getDeclaredMethod("waitProjectsFullyOpen").invoke(null);
} catch (Exception ex) {

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Jackpot:
warning: Can be replaced with multicatch or several catch clauses catching specific exceptions


while (true) {
try {
Thread.sleep(100000);

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Jackpot:
warning: Thread.sleep called in loop

case RETURN: returnTags.add(tag); break;
case THROWS: throwsTags.add(tag); break;
case PARAM: paramTags.add(tag); break;
default: otherTags.add(tag);

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Jackpot:
warning: Can use functional operations

import com.sun.javadoc.Type;
import com.sun.source.doctree.AttributeTree;
import com.sun.source.doctree.AuthorTree;
import com.sun.source.doctree.CommentTree;

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Jackpot:
warning: Unused Import

import com.sun.tools.doclint.HtmlTag;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;

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Jackpot:
warning: Unused Import

jlahoda pushed a commit that referenced this pull request Aug 7, 2022
The relevant stacktraces for the affected threads are saved below.

As there is also a warning logged with a clear indication:

  WARNING [org.netbeans.modules.parsing.impl.TaskProcessor]: ParserManager.parse called in AWT event thread by:
  org.netbeans.modules.micronaut.hyperlink.MicronautJavaHyperlinkProvider.getPropertyName(MicronautJavaHyperlinkProvider.java:151)

Stacktraces:

"AWT-EventQueue-0" #24 prio=6 os_prio=0 cpu=69156.33ms elapsed=76496.39s tid=0x00007feca4122b90 nid=0x106e2a waiting on condition  [0x00007fec9756e000]
   java.lang.Thread.State: WAITING (parking)
	at jdk.internal.misc.Unsafe.park(java.base@17.0.3/Native Method)
	- parking to wait for  <0x00000006d7905fd0> (a java.util.concurrent.locks.ReentrantLock$FairSync)
	at java.util.concurrent.locks.LockSupport.park(java.base@17.0.3/LockSupport.java:211)
	at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquire(java.base@17.0.3/AbstractQueuedSynchronizer.java:715)
	at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquire(java.base@17.0.3/AbstractQueuedSynchronizer.java:938)
	at java.util.concurrent.locks.ReentrantLock$Sync.lock(java.base@17.0.3/ReentrantLock.java:153)
	at java.util.concurrent.locks.ReentrantLock.lock(java.base@17.0.3/ReentrantLock.java:322)
	at org.netbeans.modules.parsing.impl.TaskProcessor.runUserTask(TaskProcessor.java:170)
	at org.netbeans.modules.parsing.api.ParserManager.parse(ParserManager.java:83)
	at org.netbeans.api.java.source.JavaSource.runUserActionTaskImpl(JavaSource.java:454)
	at org.netbeans.api.java.source.JavaSource.runUserActionTask(JavaSource.java:425)
	at org.netbeans.modules.micronaut.hyperlink.MicronautJavaHyperlinkProvider.getPropertyName(MicronautJavaHyperlinkProvider.java:151)
	at org.netbeans.modules.micronaut.hyperlink.MicronautJavaHyperlinkProvider.resolve(MicronautJavaHyperlinkProvider.java:122)
	at org.netbeans.modules.micronaut.hyperlink.MicronautJavaHyperlinkProvider.getHyperlinkSpan(MicronautJavaHyperlinkProvider.java:85)


"Editor Parsing Loop (14-c4f2d87113e1a2d2d4e21e8952e1f99612d5b3fd)" #28 daemon prio=1 os_prio=0 cpu=65769.71ms elapsed=76494.46s tid=0x00007feca4401250 nid=0x106e35 in Object.wait()  [0x00007fec957fe000]
   java.lang.Thread.State: WAITING (on object monitor)
	at java.lang.Object.wait(java.base@17.0.3/Native Method)
	- waiting on <no object reference available>
	at java.lang.Object.wait(java.base@17.0.3/Object.java:338)
	at org.netbeans.modules.parsing.impl.TaskProcessor$CurrentRequestReference.setCurrentTask(TaskProcessor.java:1128)
	- locked <0x00000006d75591d8> (a org.netbeans.modules.parsing.impl.TaskProcessor$CurrentRequestReference$CRRLock)
	at org.netbeans.modules.parsing.impl.TaskProcessor$RequestPerformer.run(TaskProcessor.java:842)
	at org.openide.util.lookup.Lookups.executeWith(Lookups.java:279)
	at org.netbeans.modules.parsing.impl.TaskProcessor$RequestPerformer.execute(TaskProcessor.java:702)
	at org.netbeans.modules.parsing.impl.TaskProcessor$CompilationJob.run(TaskProcessor.java:663)

"Module-Actions" apache#163 daemon prio=1 os_prio=0 cpu=2546.95ms elapsed=253.00s tid=0x00007fec806c9c90 nid=0x1abee2 in Object.wait()  [0x00007fec951fa000]
   java.lang.Thread.State: WAITING (on object monitor)
	at java.lang.Object.wait(java.base@17.0.3/Native Method)
	- waiting on <no object reference available>
	at java.lang.Object.wait(java.base@17.0.3/Object.java:338)
	at javax.swing.text.AbstractDocument.writeLock(java.desktop@17.0.3/AbstractDocument.java:1378)
	- locked <0x0000000718f28200> (a org.netbeans.modules.editor.NbEditorDocument)
	at org.netbeans.editor.BaseDocument.extWriteLock(BaseDocument.java:1696)
	at org.netbeans.editor.BaseDocument.atomicLockImpl(BaseDocument.java:1744)
	- locked <0x0000000718f28200> (a org.netbeans.modules.editor.NbEditorDocument)
	- locked <0x0000000718f28200> (a org.netbeans.modules.editor.NbEditorDocument)
	at org.netbeans.editor.GuardedDocument.runAtomicAsUser(GuardedDocument.java:329)
	at org.netbeans.modules.editor.lib.BeforeSaveTasks$TaskRunnable.run(BeforeSaveTasks.java:131)
	at org.netbeans.modules.editor.lib.TrailingWhitespaceRemove.runLocked(TrailingWhitespaceRemove.java:77)
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3 participants