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FAQ about OpenSearch SDK for Java

Last Updated: Sep 09, 2021

1. Timeout waiting for connection from pool

Error:

com.aliyun.opensearch.sdk.dependencies.org.apache.http.conn.ConnectionPoolTimeoutException:
Timeout waiting for connection from pool

Description: The default capacity of the connection pool in OpenSearch SDK for Java is 50 connections.

You can use the following sample code to adjust the capacity of the connection pool:

import com.aliyun.opensearch.util.HttpClientManager;

// ...

HttpClientManager.setMaxConnections(100);