EC2のデフォルトの JRE は OpenJDK
$ java -version java version "1.6.0_24" OpenJDK Runtime Environment (IcedTea6 1.11.11) (amazon-61.1.11.11.53.amzn1-x86_64) OpenJDK 64-Bit Server VM (build 20.0-b12, mixed mode)
http://java.com/ja/download/manual_v6.jsp からダウンロード # chmod 755 jre-6u43-linux-x64-rpm.bin # jre-6u43-linux-x64-rpm.bin # vi /etc/profile export JAVA_HOME=/usr/java/latest export JRE_HOME=$JAVA_HOME export PATH=$JAVA_HOME/bin:$PATH CLASSPATH=./$JAVA_HOME/lib:$JAVA_HOME/lib/tools.jar $ java -version java version "1.6.0_43" Java(TM) SE Runtime Environment (build 1.6.0_43-b01) Java HotSpot(TM) 64-Bit Server VM (build 20.14-b01, mixed mode)