无法定位corda-tools-network-builder.jar且下载文件损坏，求助Docker部署Corda节点

Hey, sorry to hear you're stuck with the Corda Network Builder jar problems—can't find corda-tools-network-builder.jar, and the one you downloaded got corrupted? Let's break down how to resolve this and get your Corda nodes up in Docker:

1. Get a Valid, Uncorrupted Jar File #

The download issue you ran into is likely due to a partial transfer or cache glitch. Here's how to get a working copy:

• Skip the problematic CI artifactory link and grab the jar from Corda's official Maven repository or GitHub releases page for version 4.1.
• Always verify file integrity after downloading: Calculate the SHA-256 hash of the jar and compare it to the official checksum (listed alongside the download link). If they don't match, re-download—try a different network or use a download manager to avoid interruptions.

2. Build the Jar Yourself (Foolproof Alternative) #

If direct downloads keep failing, build the tool from source using Gradle:

1. Clone Corda's official repo and check out the 4.1 branch.
2. Run this command from the root directory:

   ./gradlew :tools:network-builder:shadowJar
   

3. Once done, you'll find the executable jar (with all dependencies included) at tools/network-builder/build/libs/corda-tools-network-builder-4.1-all.jar.

3. Run Corda Nodes in Docker Properly #

Once you have the correct jar, follow these steps to set up and launch nodes:

1. Generate node configurations with the Network Builder:

   java -jar corda-tools-network-builder-4.1-all.jar -d .
   

2. Navigate to the generated directory and check the docker-compose.yml file—make sure it has all the required services (Corda nodes, databases, etc.).
3. Start the containers with:

   docker-compose up -d
   

4. Verify nodes are running by checking logs:

   docker logs <your-corda-container-name>
   

Quick Tips #

• Ensure your Docker version meets Corda 4.1's requirements (Docker 18.09+ is recommended).
• Stuck on Network Builder parameters? Run java -jar corda-tools-network-builder-4.1-all.jar --help to see all available options.

内容的提问来源于stack exchange，提问作者Rahul Desai