3. 注意java/examples/src/main/java/PipelineClientExample.java中的ip和port(详见[PipelineClientExample.java](./examples/src/main/java/PipelineClientExample.java)),需要与/python/examples/pipeline/中对应Pipeline server的config.yaml文件(以IMDB model ensemble模型的[config.yaml]为例(../python/examples/pipeline/imdb_model_ensemble/config.yml))中配置的ip和port相对应。