JAVA Client How to use ?

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我使用JavaClient load 已创建的 metalake ，出现错误 :
Exception in thread "main" java.lang.IllegalArgumentException: metalake 'name' must not be null and empty at com.google.common.base.Preconditions.checkArgument(Preconditions.java:145) at org.apache.gravitino.dto.responses.MetalakeResponse.validate(MetalakeResponse.java:64) at org.apache.gravitino.client.GravitinoClientBase.loadMetalake(GravitinoClientBase.java:135) at org.xiaoc.gravition.demo.CatalogDemo.createMetaLake(CatalogDemo.java:30) at org.xiaoc.gravition.demo.CatalogDemo.main(CatalogDemo.java:13)

DEBUG 发现，请求返回值为有效如下图：

但是经过 该方法后，填充值为 null，导致错误产生，是我哪里使用错误了吗，请求帮助