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    pair: JDK; installing

Installing a Java Development Environment

The |sdk-java| requires J2SE Development Kit 6.0 or later. You can download the latest Java software from http://developers.sun.com/downloads/.

Important

Java version 1.6 (JS2E 6.0) did not have built-in support for SHA256-signed SSL certificates, which are required for all HTTPS connections with AWS after September 30, 2015.

Java versions 1.7 or newer are packaged with updated certificates and are unaffected by this issue.

Choosing a JVM

For the best performance of your server-based applications with the AWS SDK for Java, we recommend that you use the 64-bit version of the Java Virtual Machine (JVM). This JVM runs only in server mode, even if you specify the -Client option at run time.

Using the 32-bit version of the JVM with the -Server option at run time should provide comparable performance to the 64-bit JVM.