Logging levels indicate the severity of the log entry, such as DEBUG, INFO, WARN, ERROR, or FATAL. Logging categories indicate the source or component of the log entry, such as AUTH, DATA, or SERVICE.

Either log or rethrow Java exceptions, but never do both. When an exception occurs in your Java code, you can log it or you can rethrow it -- but don't do both. Here's why you must avoid that ...

The current implementation of ResultCallbackTemplate#onError(Throwable throwable) is printing an ERROR log, which adds noise to users interacting with the docker-java-api:3.2.11 and using a logger.