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# 清理 资源
<a name="producersdk-javaapi-cleanup"></a>

为了避免内存泄漏，请执行以下操作从客户端取消注册媒体源并释放客户端。

```
try {
    kinesisVideoClient.unregisterMediaSource(mediaSource);
    kinesisVideoClient.free();
} catch (final KinesisVideoException e) {
    throw new RuntimeException(e);
}
```

如果您使用向缓存中添加了任何项目 [https://github.com/awslabs/amazon-kinesis-video-streams-producer-sdk-java/blob/master/src/main/java/com/amazonaws/kinesisvideo/java/service/CachedInfoMultiAuthServiceCallbacksImpl.java](https://github.com/awslabs/amazon-kinesis-video-streams-producer-sdk-java/blob/master/src/main/java/com/amazonaws/kinesisvideo/java/service/CachedInfoMultiAuthServiceCallbacksImpl.java)，例如：

```
serviceCallbacks.addStreamInfoToCache(streamName, streamInfo);
serviceCallbacks.addStreamingEndpointToCache(streamName, dataEndpoint);
```

完成后清除缓存：

```
serviceCallbacks.removeStreamFromCache(streamName);
```