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Sweep 09 Oct 2026 · 17:27Z Build v2.1.296 517 read Stable v2.1.287 Latest v2.1.296 Next v2.1.296 Feeds RSS JSON llms.txt llms-full.txt Unofficial
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java changedcli-sdks-libraries/sdks/java

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690690 Consider using [streaming](https://platform.claude.com/docs/en/cli-sdks-libraries/sdks/java#streaming) for longer running requests.
691691</Warning>
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693Avoid setting a large `maxTokens` value without using streaming. Some networks may drop idle connections after a certain period of time, which can cause the request to fail or [timeout](https://platform.claude.com/docs/en/cli-sdks-libraries/sdks/java#timeouts) without receiving a response from Anthropic. The SDK periodically pings the API to keep the connection alive and reduce the impact of these networks.
693Avoid setting a large `maxTokens` value without using streaming. Some networks may drop idle connections after a certain period of time, which can cause the request to fail or [time out](https://platform.claude.com/docs/en/cli-sdks-libraries/sdks/java#timeouts) without receiving a response from Anthropic. The SDK periodically pings the API to keep the connection alive and reduce the impact of these networks.
694694 
695695The SDK throws an error if a non-streaming request is expected to take longer than 10 minutes. Using a [streaming method](https://platform.claude.com/docs/en/cli-sdks-libraries/sdks/java#streaming) or [overriding the timeout](https://platform.claude.com/docs/en/cli-sdks-libraries/sdks/java#timeouts) at the client or request level disables the error.
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10781078The Java SDK supports the following platforms through separate dependencies that provide platform-specific `Backend` implementations:
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1080* **Agent Platform:** `com.anthropic:anthropic-java-vertex`: Use `VertexBackend.fromEnv()` or `VertexBackend.builder()`.
1080* **Agent Platform:** `com.anthropic:anthropic-java-vertex`: Use `VertexBackend.builder()` or `VertexBackend.fromEnv()`. `fromEnv()` reads `CLOUD_ML_REGION` and `ANTHROPIC_VERTEX_PROJECT_ID` and uses Application Default Credentials.
10811081* **Bedrock:** `com.anthropic:anthropic-java-bedrock`: Use `BedrockMantleBackend.fromEnv()` or `BedrockMantleBackend.builder()` for the Messages-API Bedrock endpoint, or `BedrockBackend.fromEnv()` / `BedrockBackend.builder()` (`bedrock-runtime` path).
10821082* **Claude Platform on AWS:** `com.anthropic:anthropic-java-aws`: Use `AwsBackend.fromEnv()` (reads `ANTHROPIC_AWS_WORKSPACE_ID` and the AWS default region/credential chain) or `AwsBackend.builder()`. Available in beta.
10831083* **Foundry:** `com.anthropic:anthropic-java-foundry`: Use `FoundryBackend.fromEnv()` or `FoundryBackend.builder()`.
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