Jacky Liu
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Articles
Recent activity by Jacky Liu-
Issue with IntelliJ IDEA Java Module Renaming and Compilation
Problem While utilizing IntelliJ IDEA to rename a Java module, users may encounter issues where the renamed module appears functional within the IDE but cannot be successfully compiled from the com...
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IntelliJ IDEA incompatible with JUnit 5.12: TestEngine with ID 'junit-jupiter' failed to discover tests
Symptoms The issue is faced while trying to run a simple test with JUnit 5.12.1 on IntelliJ IDEA 2025.1 RC. The symptoms of the problem are: The test cannot be executed and the following error is ...
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IDEA freezes due to large JavaScript source maps or debugger didn't work
Problem When using IntelliJ IDEA (Ultimate Edition) on Windows 11, the IDE instances were frequently freezing, becoming unresponsive, and preventing any interaction such as selecting menus or text....
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How to fix `java: Cannot run program "..." (in directory "..."): error=0 Failed to exec spawn helper: pid: xxxx, signal: xx` issue on Linux
Problem When using JetBrains Client remote development to run the Java program, then encountered an issue with java: Cannot run program "..." (in directory "..."): error=0 Failed to exec spawn help...
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Find Usages returns no results after an IDE update: outdated GitLab Duo plugin
Symptoms Find usages (option-shift-G) has stopped working on all projects since the upgrade to IntelliJ IDEA version 2024.3.5. Despite trying to delete cache, indices, and other such measures, the ...
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IntelliJ IDEA Support for JDK Valhalla Syntax
Question Is there support for the Java Valhalla syntax or specific configurations available in IntelliJ IDEA? Sample code: public class Main { // Pulled verbatim from https://github.com/openjd...
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Tomcat 10 log4j2 configuration ignored in IntelliJ IDEA on Windows
Problem When running a web application on Tomcat 10 from IntelliJ IDEA on a Windows system, the log4j2 configuration specified in Tomcat's setenv.bat or logging.properties (using -Dlog4j.configurat...
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How to automatically update the classpath in MANIFEST.MF for a JAR artifact
Question How can I automatically update the Class-Path attribute in the MANIFEST.MF file when I add new libraries to my JAR artifact configuration in IntelliJ IDEA? Answer IntelliJ IDEA automatical...
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Spring @Autowired error due to Maven HTTPS dependency download failure with older JDK/Maven
Problem A Spring application fails during startup or runtime with errors indicating that an @Autowired field is null. This often manifests as a NullPointerException or an AssertionError if checks a...
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Failed to run unit test in Android Studio with IJPL Gradle Plugin: 'getService(...) must not be null'
Symptoms After upgrading a project to IntelliJ Platform Gradle Plugin 2.3 and running unit tests, exceptions were encountered. The first exception was regarding a TextMate bundle that could not be ...