JHipster新建项目后端运行报错求助（Windows 10环境）

Hey there! Let's tackle that backend build error you're facing with your JHipster 4.14.3 project on Windows 10. From what you shared, the frontend runs fine with npm start or yarn, but the Maven build is throwing errors—let's break down how to troubleshoot this.

First, let's recap your setup and the issue to make sure we're on the same page:

• OS: Windows 10
• Environment:
  • JHipster v4.14.3
  • Npm v6.0.0
  • Java v1.8.0_72
  • Apache Maven 3.5.3
• Problem: Frontend works as expected, but running mvn clean install -Dmaven.test.skip=true fails with an incomplete error log:

mvnw [INFO] Scanning for projects... [INFO] [INFO] ------------------------------------------------------------------------ [INFO] Building Test 0.0.1-SNAPSHOT [INFO] -------------------...

Since the error log you provided cuts off before the critical error details, here are the most common fixes to try, plus how to get more info:

1. Get the Full Error Log #

The most important part is missing: the actual error message (usually starting with [ERROR]) and the stack trace. Re-run the Maven command and copy the entire output, especially everything from the first [ERROR] line onwards. That will tell us exactly what's breaking—whether it's a missing dependency, configuration issue, or compatibility problem.

2. Upgrade Your Java 8 Version #

JHipster 4.x requires Java 8, but 1.8.0_72 is a pretty old release. Some dependencies used by JHipster 4.14.3 might require a newer update of Java 8 to work correctly. Grab the latest Java 8 update (like 1.8.0_391), update your JAVA_HOME environment variable to point to the new JDK, and confirm it's working with java -version and mvn -v.

3. Clear Your Maven Local Repository #

Corrupted cached dependencies are a common culprit for Maven build failures. Here's how to fix that:

• Navigate to your Maven local repo (default path: C:\Users\<YourUsername>\.m2\repository)
• Delete the entire folder, or just the relevant subfolders (like com/jhipster, org/springframework) to save time
• Re-run your Maven build command—Maven will re-download all fresh dependencies

4. Use the Project's Maven Wrapper #

You're using mvnw (the Maven wrapper), but sometimes local Maven versions can clash with the version the wrapper expects. Instead of relying on your global Maven 3.5.3, run the wrapper directly from the project root:

./mvnw.cmd clean install -Dmaven.test.skip=true

This ensures you're using the exact Maven version configured for your JHipster project, avoiding version mismatches.

5. Check Database & Application Configs #

If your project uses a database (like MySQL, PostgreSQL), double-check:

• Is the database service running locally?
• Does the configuration in src/main/resources/application.yml (or .properties) have the correct username, password, and database URL?
  A misconfigured database connection is a frequent cause of backend build failures, especially if the build tries to run database initialization steps.

Once you have the full error log, we can narrow this down even further—but these steps should cover most common issues with JHipster 4.x builds on Windows!

内容的提问来源于stack exchange，提问作者csu