oracle/visualvm

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VisualVM is an All-in-One Java Troubleshooting Tool

Stars: 3.3k
Forks: 334
Open beginner issues: 0
Indexed issues: 90

Dominant language: Java
License: No license data
Last GitHub push: Sep 14, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: No beginner labels indexed
PR merge metrics: No merged PRs in 30d

Beginner friendly Everything

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90 open issues indexed

Add support for Java 27 Open

oracle/visualvm#668 · 1 assignee · Opened Sep 15, 2026
Typo in docs Open

bug

Difficulty 1/5 Under an hour Newbie friendliness 95/100

oracle/visualvm#666 · Opened Sep 4, 2026
Does not launch after IP change. Ubuntu 24. Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 55/100

oracle/visualvm#663 · Opened Jul 16, 2026
Can the language be changed? Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 15/100

oracle/visualvm#653 · Opened Jan 28, 2026
VisualVM window opens off-screen when external monitors are disconnected (Windows) Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 45/100

oracle/visualvm#650 · Opened Nov 2, 2025
Tab contrast too low Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 45/100

oracle/visualvm#649 · Opened Oct 24, 2025
Find Capability in HeapViewer Views Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

oracle/visualvm#626 · Opened Mar 3, 2025
Notifications support Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

oracle/visualvm#625 · Opened Feb 22, 2025
Have you considered using "Maven" or "Gradle" instead of "Ant" for building and running? Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

oracle/visualvm#624 · 1 comment · 8 reactions · Opened Feb 20, 2025
Can't connect to a local Linux process by attaching to the PID or via JMX Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

oracle/visualvm#612 · 2 comments · Opened Oct 17, 2024
Added language switching Settings Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

oracle/visualvm#611 · 1 reaction · Opened Oct 12, 2024
Netbeans profiler no longer works after Java 11, next step with VisualVM? Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 20/100

oracle/visualvm#607 · 2 reactions · Opened Sep 11, 2024
Request to Publish Extension on open-vsx.org Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 35/100

oracle/visualvm#604 · 2 comments · 2 reactions · Opened Aug 28, 2024
Unix/Linux Desktop File Open

enhancement

Difficulty 2/5 1-2 days Newbie friendliness 48/100

oracle/visualvm#601 · 2 reactions · Opened Aug 20, 2024
Creating a Snapcraft build？ Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 45/100

oracle/visualvm#600 · Opened Aug 18, 2024
Extract JFR information from Linux Command Line Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

oracle/visualvm#592 · 2 comments · Opened Jul 28, 2024
Add the ability to group remote connections in the application tree Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

oracle/visualvm#582 · Opened Jun 23, 2024
Open source code for Lamdas, support! Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 30/100

oracle/visualvm#573 · 1 comment · Opened May 8, 2024
How to change language Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

oracle/visualvm#571 · Opened Apr 28, 2024
How to set the language Open

enhancement

Difficulty 2/5 1-3 hours Newbie friendliness 25/100

oracle/visualvm#562 · Opened Mar 27, 2024
Mouse clicks on Tracer tab on Mac do not always open tracer groups consistently Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 38/100

oracle/visualvm#561 · 3 comments · Opened Mar 22, 2024
Profiler is not displaying results Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 25/100

oracle/visualvm#557 · Opened Feb 9, 2024
VisualVm stuck in "Computing Retained Sizes..." Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 25/100

oracle/visualvm#552 · 2 comments · 1 reaction · Opened Jan 31, 2024
Flatpak/Flathub build Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 25/100

oracle/visualvm#544 · 1 comment · Opened Dec 31, 2023
Challenge connecting to jstatd running in k8s Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 25/100

oracle/visualvm#542 · 2 comments · 2 reactions · Opened Dec 21, 2023
Remove javascript dependency from tracer-dynamic module(s) Open

enhancement

oracle/visualvm#513 · 1 comment · 1 assignee · Opened Jul 17, 2023
Incorporate new Virtual Threads JFR events into JFR viewer Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

oracle/visualvm#507 · 2 reactions · Opened Jun 7, 2023
Could not find field with name 'virtual' in reader for 'thread' Open

bug

oracle/visualvm#504 · 1 comment · 1 reaction · 1 assignee · Opened Jun 2, 2023
Add support for new JMX method HotSpotDiagnosticMXBean.dumpThreads() Open

enhancement

oracle/visualvm#503 · 1 reaction · 1 assignee · Opened Jun 2, 2023
Add support for new jcmd command "Thread.dump_to_file" Open

enhancement

oracle/visualvm#502 · 1 assignee · Opened Jun 2, 2023
VisualVM Retaining sizes is stuck at 33% Open

bug

oracle/visualvm#499 · 16 comments · 2 reactions · 1 assignee · Opened May 15, 2023
Improve progress monitoring of "Computing retained sizes" Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

oracle/visualvm#465 · 1 comment · Opened Nov 7, 2022
Virtual threads support Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

oracle/visualvm#462 · 8 comments · 19 reactions · Opened Nov 2, 2022
VisualVM hangs with 100% cpu usage Open

bug

oracle/visualvm#461 · 16 comments · 7 reactions · 1 assignee · Opened Oct 27, 2022
""Another profiling session in progress" never goes away Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

oracle/visualvm#453 · Opened Oct 6, 2022
2.1.4 on Mac M1: fails to detect app shutdown, freezes Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 25/100

oracle/visualvm#450 · 1 comment · Opened Sep 29, 2022
Run OQL query against multiple dumps at once Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

oracle/visualvm#441 · Opened Sep 7, 2022
Provide history of executed OQL queries Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 30/100

oracle/visualvm#440 · 1 comment · Opened Sep 7, 2022
Freeze when connecting to Java application suspended by debugger Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

oracle/visualvm#427 · 1 comment · 1 reaction · Opened Aug 11, 2022
Use full method signature for sampling instead of just the method name Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

oracle/visualvm#411 · 2 comments · Opened Jun 14, 2022
Show line numbers alongside all method names Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

oracle/visualvm#408 · 6 comments · 1 reaction · Opened May 30, 2022
Enhance the comparison of snapshots Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 30/100

oracle/visualvm#396 · Opened Mar 24, 2022
Feature request: allow sampling snapshot recording from command line only in headless environment Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

oracle/visualvm#380 · 9 comments · Opened Jan 18, 2022
Clicking a running application causes VisualVM to freeze Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 35/100

oracle/visualvm#374 · 11 comments · Opened Dec 19, 2021
Show children tree in "Hot Spots" View Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

oracle/visualvm#347 · Opened Sep 20, 2021
"Reverse Call" childrens "Total Time" is wrong Open

bug

oracle/visualvm#346 · 4 comments · 1 assignee · Opened Sep 20, 2021
Opening defined tab using @tab_idx not supported for --openjmx Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 45/100

oracle/visualvm#333 · Opened Jul 30, 2021
Reload view needed immediately after --openjmx Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 35/100

oracle/visualvm#332 · Opened Jul 30, 2021
Deadlock when profiling NetBeans IDE Open

bug

oracle/visualvm#328 · 2 comments · 1 assignee · Opened Jul 19, 2021
Wrong/Inconsistent Max Metaspace value Open

bug

oracle/visualvm#318 · 1 comment · 1 reaction · 1 assignee · Opened Jun 27, 2021

oracle/visualvm

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