Docker部署Hyperledger Sawtooth后测试XO交易连接失败求助

Looks like you're hitting a common Docker networking snag here. When you run xo create one inside the sawtooth-shell-default container, it’s trying to connect to 127.0.0.1:8008—but that points to the localhost of the shell container itself, not your host machine or the Sawtooth REST API container where the service actually runs.

Why This Happens #

Each Docker container has its own isolated network namespace. The Sawtooth REST API runs in a separate container (usually named sawtooth-rest-api-default), so the shell container can’t reach it via 127.0.0.1. Docker’s internal DNS resolves container names to their respective IPs within the shared network, so we need to use that instead.

Step-by-Step Fix #

Here’s how to get your XO transaction working:

1. Verify the REST API container is running
   From your host machine, list active containers to confirm the REST API container is up:

   docker ps
   

   You should see sawtooth-rest-api-default in the output. If not, start it with:

   docker start sawtooth-rest-api-default
   

2. Update the REST API URL in the shell container
   Once you’re inside sawtooth-shell-default, set the SAWTOOTH_REST_API_URL environment variable to point to the REST API container’s name:

   export SAWTOOTH_REST_API_URL=http://sawtooth-rest-api-default:8008
   

3. Retry the XO transaction
   Now run your command again:

   xo create one
   

   This should successfully connect to the REST API and submit your transaction.

Extra Checks #

• Ensure all Sawtooth containers are on the same Docker network. By default, they use sawtooth_default. Verify this with:

  docker network inspect sawtooth_default
  

  Check that both sawtooth-shell-default and sawtooth-rest-api-default are listed under the "Containers" section.

内容的提问来源于stack exchange，提问作者XYZVoyager