It's a bug in v0.80.0, see this report:
Try to run normal spring boot project on win 10 with JDK 16 It will stuck on 68%
The current useful workaround is installing another version: java-0.80.2 or rolling back to 0.79.2.
Have a try and see if the question goes away.
Answer from Molly Wang-MSFT on Stack OverflowGitHub
github.com › redhat-developer › vscode-java › issues › 2623
When opening Java Project, the Java Build Status is spinning forever. · Issue #2623 · redhat-developer/vscode-java
August 10, 2022 - The Java Build Status indicator on the status bar is spinning forever.
Author redhat-developer
GitHub
github.com › redhat-developer › vscode-java › issues › 1341
Extension keeps building code, never finishing · Issue #1341 · redhat-developer/vscode-java
March 25, 2020 - I'm trying to use the vscode-java extension in VSCode, but it keeps on building the same source code (it seems) again and again, hogging 100% CPU. I see lines like this in the Task - Java Build Status Terminal: 1e7bf092 Building: 72% Compiling foo/src/test/java/fi/bar/xyzzy/controller [720/1000]. After it completes, it starts again.
Author redhat-developer
Stuck at "Building: 0% [0/1000]" in "Task - Java Build Status"
I wrote a Maven plugin to generate .class files and a .jar from OpenOffice .idl files. When i open the workspace which uses said plugin the project compiles fine and auto completion works. But when i edit one of these .idl files autocomp... More on github.com
8
December 11, 2020VSCode Java Extension: how to kill Java Build Status task (frozen at 5%) - Stack Overflow
I'm trying to build a good development environment for work that uses VSCode to work with our EE Java stuff. I've been having a liteny of issues attempting to get newly added imports in a pom.xml t... More on stackoverflow.com
Java Project Build Stuck at "Synchronizing Projects"
Environment: VS Code Version: 1.77.1 Extension Version: 1.16.0 JDK Type & Version: 11, homebrew OS Type & Version: Mac Step to Reproduce: reload VS Code window, sometimes. Expected Behavior... More on github.com
7
April 7, 2023Java running is taking forever to load.
Are you trying to run a standalone Java file (not part of a Java project)? There's a bug in the current version of the Java extension preventing you from running standalone Java files, see redhat-developer/vscode-java#2242. You can either open a Java project with File > Open Folder or upgrade/downgrade the Java extension to a version which doesn't have the bug. If you can't wait for the next update, there's a CI build available which contains the fix.
More on reddit.com 6
14
December 13, 2021GitHub
github.com › redhat-developer › vscode-java › issues › 1739
Stuck at "Building: 0% [0/1000]" in "Task - Java Build Status" · Issue #1739 · redhat-developer/vscode-java
December 11, 2020 - I wrote a Maven plugin to generate .class files and a .jar from OpenOffice .idl files. When i open the workspace which uses said plugin the project compiles fine and auto completion works. But when i edit one of these .idl files autocompletion stops working and i'm getting stuck at "Building: 0% [0/1000]" in "Task - Java Build Status".
Author redhat-developer
Stack Overflow
stackoverflow.com › questions › 71474046 › vscode-java-extension-how-to-kill-java-build-status-task-frozen-at-5
VSCode Java Extension: how to kill Java Build Status task (frozen at 5%) - Stack Overflow
running Java in vscode: "build failed, do you want to continue?" if i choose "proceed", it works fine
GitHub
github.com › redhat-developer › vscode-java › issues › 3049
Java Project Build Stuck at "Synchronizing Projects" · Issue #3049 · redhat-developer/vscode-java
April 7, 2023 - This status can hold on for more than 5 minutes sometimes, during which I cannot modify my code since the code checking and suggestions are just wrong. Generally, after refreshing the window, the problem still exits. But magically, sometimes my VS Code can build the project immediately!
Author redhat-developer
Visual Studio Code
code.visualstudio.com › docs › java › java-project
Managing Java Projects in VS Code
November 3, 2021 - Hybrid (default) - Firstly, a workspace is opened with lightweight mode. You will be asked whether to switch to standard mode if your workspace contains unresolved Java projects. If you choose Later, it will stay in lightweight mode. You can click the language status item on the Status bar to manually switch to standard mode.
Reddit
reddit.com › r/vscode › java running is taking forever to load.
r/vscode on Reddit: Java running is taking forever to load.
December 13, 2021 -
I'm new to vs code (and coding and programming too in general) and I have been having this problem while trying to run my programs. Basically, I try to run my code but it is taking forever for it to run, the terminal is not loading and basically, nothing is either, this happened so suddenly so I don't know what caused it. Has anyone gone through something similar or know what to do what I'm referring to?
Top answer 1 of 3
3
Are you trying to run a standalone Java file (not part of a Java project)? There's a bug in the current version of the Java extension preventing you from running standalone Java files, see redhat-developer/vscode-java#2242. You can either open a Java project with File > Open Folder or upgrade/downgrade the Java extension to a version which doesn't have the bug. If you can't wait for the next update, there's a CI build available which contains the fix.
2 of 3
2
Have you download the Java Extension Pack extension
GitHub
github.com › redhat-developer › vscode-java › issues › 1990
java build status doesn't work · Issue #1990 · redhat-developer/vscode-java
June 22, 2021 - I import a maven project. but i cannot open java build status terminal. and I get a bug can be reported in running extesions view . { "messages": [], "activationTimes": { "codeLoadingTime": 50, "activateCallTime": 20, "activateResolvedTime": 13831, "activationReason": { "startup": false, "extensionId": { "value": "vscjava.vscode-java-test", "_lower": "vscjava.vscode-java-test" }, "activationEvent": "onLanguage:java" } }, "runtimeErrors": [ { "name": "Error", "message": "write after end" } ] } Reactions are currently unavailable ·
Author redhat-developer
LinuxTut
linuxtut.com › points-stuck-in-building-vscode-&-java-development-environment-d375b
Points stuck in building VSCode & Java development environment
June 13, 2020 - I found an issue on GitHub. Open the user settings from Ctrl + Shift + P and search for "java debug setting console". The default is "integrated Terminal", but if you specify "internal Console", you can debug. Reference: https://github.com/microsoft/vscode-java-debug/issues/637
GitHub
github.com › microsoft › vscode-java-debug › issues › 1038
Running a test (or debugging) constantly churns and never starts · Issue #1038 · microsoft/vscode-java-debug
August 4, 2021 - Sometimes, it can take 10 or so minutes before it even gets into the debugger or runner. Most of the time it just churns showing "Java Build Status" and never seems to end.
Author microsoft
GitHub
github.com › redhat-developer › vscode-java › issues › 1102
Stuck on "5% Update project ..." for a long time · Issue #1102 · redhat-developer/vscode-java
October 16, 2019 - After adding a new Maven dependency to pom.xml, a message saying "5% Update project ..." is shown in the status bar and takes a long time to complete. The plugin doesn't react quickly to dependency changes. Environment Operating System: ...
Author redhat-developer
GitHub
github.com › redhat-developer › vscode-java › issues › 3357
I'm stuck at Initialize Workspace - 31% Refreshing '/jdt.ls-java-project'. · Issue #3357 · redhat-developer/vscode-java
October 24, 2023 - Type: Performance Issue When i start Multi Module project of spring boot. I have stuck here, but when I start another project it still runs normally. Extension version: 1.24.2023102304 VS Code version: Code 1.83.1 (f1b07bd25dfad64b0167be...
Author redhat-developer
GitHub
github.com › redhat-developer › vscode-java › issues › 3926
Unable to build the maven project after upgrading to the latest release version. · Issue #3926 · redhat-developer/vscode-java
January 23, 2025 - WARNING: Using incubator modules: jdk.incubator.vector 1月 23, 2025 2:34:43 下午 org.apache.aries.spifly.BaseActivator log 信息: Registered provider ch.qos.logback.classic.servlet.LogbackServletContainerInitializer of service jakarta.servlet.ServletContainerInitializer in bundle ch.qos.logback.classic 1月 23, 2025 2:34:43 下午 org.apache.aries.spifly.BaseActivator log 信息: Registered provider ch.qos.logback.classic.spi.LogbackServiceProvider of service org.slf4j.spi.SLF4JServiceProvider in bundle ch.qos.logback.classic 1月 23, 2025 2:34:46 下午 com.microsoft.java.debug.plugin.internal.JavaDebuggerServerPlugin start 信息: Starting com.microsoft.java.debug.plugin
Author redhat-developer
Visual Studio Code
code.visualstudio.com › docs › java › java-faq
Frequent Asked Questions
November 3, 2021 - When using the Java Language Support (redhat.java) extension behind a corporate proxy, you might need to let the Java Language server know how to connect to the Internet, in order to download build runtimes, Java dependencies, and their sources through that proxy.
GitHub
github.com › microsoft › vscode-java-debug › blob › main › Troubleshooting.md
vscode-java-debug/Troubleshooting.md at main · microsoft/vscode-java-debug
Run VS Code command "Java: Clean the Java language server workspace" to clean the stale workspace cache. Try more troubleshooting guide from the language server product site. The error indicates your workspace has build errors.
Author microsoft
GitHub
github.com › redhat-developer › vscode-java › issues › 1970
Java support never starts · Issue #1970 · redhat-developer/vscode-java
June 5, 2021 - "main" #1 prio=5 os_prio=31 cpu=1102.34ms elapsed=64.20s tid=0x00007f8237808a00 nid=0x2703 in Object.wait() [0x0000700005d1a000] java.lang.Thread.State: WAITING (on object monitor) at java.lang.Object.wait(java.base@16/Native Method) - waiting on <0x00000007c0e98b18> (a java.lang.Object) at java.lang.Object.wait(java.base@16/Object.java:320) at org.eclipse.jdt.ls.core.internal.LanguageServer.start(LanguageServer.java:33) - locked <0x00000007c0e98b18> (a java.lang.Object) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.ada
Author redhat-developer
Top answer 1 of 2
10
You probably have this Java Red Hat plugin. Switch to pre-release version. It fixes this issue:
2 of 2
1
I had the same issue. What helped me was modifying .project file in each project.
I added:
buildCommandfororg.eclipse.m2e.core.maven2Builder<nature>org.eclipse.m2e.core.maven2Nature</nature>- whole
<filteredResources>part
I took this from old project that was working :) (don't know why, and where this came from)
Copy<?xml version="1.0" encoding="UTF-8"?>
<projectDescription>
<name>devhell-app</name>
<comment>Development Hell Project. NO_M2ECLIPSE_SUPPORT: Project files created with the maven-eclipse-plugin are not supported in M2Eclipse.</comment>
<projects/>
<buildSpec>
<buildCommand>
<name>org.eclipse.jdt.core.javabuilder</name>
<arguments>
</arguments>
</buildCommand>
<buildCommand>
<name>org.eclipse.m2e.core.maven2Builder</name>
<arguments>
</arguments>
</buildCommand>
</buildSpec>
<natures>
<nature>org.eclipse.jdt.core.javanature</nature>
<nature>org.eclipse.m2e.core.maven2Nature</nature>
</natures>
<filteredResources>
<filter>
<id>1730075194951</id>
<name></name>
<type>30</type>
<matcher>
<id>org.eclipse.core.resources.regexFilterMatcher</id>
<arguments>node_modules|\.git|__CREATED_BY_JAVA_LANGUAGE_SERVER__</arguments>
</matcher>
</filter>
</filteredResources>
</projectDescription>
GitHub
github.com › redhat-developer › vscode-java › issues › 2266
Language tools status stuck spinning forever · Issue #2266 · redhat-developer/vscode-java
December 27, 2021 - My Java project was working up until last night (and has been for months no problem), then I opened vscode today and the status in the language tools at the bottom is constantly spinning and never ...
Author redhat-developer
Visual Studio Code
code.visualstudio.com › docs › java › java-debugging
Running and debugging Java
November 3, 2021 - Java Language Support extension fails to start. ... Program Error: Could not find or load main class X. Program throws ClassNotFoundException. Failed to complete Hot Code Replace. Please specify the host name and the port of the remote debuggee in the launch.json. Failed to evaluate. Reason: Cannot evaluate because the thread is resumed. Cannot find a class with the main method. No delegateCommandHandler for vscode.java.startDebugSession when starting Debugger.