Add a to javadoc for attachContainer
@@ -1829,6 +1829,7 @@ public interface DockerClient extends Closeable {
* if container is not found (404)
* @throws DockerException if a server error occurred (500)
* @throws InterruptedException If the thread is interrupted
+ * @throws IllegalStateException If the container is not running
*/
LogStream attachContainer(String containerId, AttachParameter... params)
throws DockerException, InterruptedException;
