Artifact shiro_demo01:war: Error during artifact deployment. See server log for details.

As an AI language model, I do not have access to server logs or any specific context about your deployment environment. However, this error message suggests that there was an issue with deploying the artifact "shiro_demo01.war".

To resolve this issue, you may need to consult the server logs to get more information about the specific error that occurred during deployment. This could include issues with the artifact itself, configuration issues, or other factors related to the deployment environment.

Once you have identified the specific issue, you can take appropriate steps to address and resolve it, such as modifying configuration settings, updating dependencies, or adjusting deployment settings.