On production system its better not to use JDK as it has compiler on it. So only JAVA runtime installation should do the trick for running PLAY-FRAMEWORK based java application. Its basically REST service providing server.
So lets see how it is done,
code for symbolic link:
$ export JAVA_HOME=/usr/java/jre1.8.0_91/ $ export PATH=$PATH:$JAVA_HOME/bin
$ ./your_play_frameworkbased_app
All are done in the same console which doesn't store the JAVA HOME on the system path.
If the specified JRE/JDK version is not available on system path or on execution console then running PLAY framework based application will provide following error trace,
Exception in thread "main" java.lang.UnsupportedClassVersionError: com/typesafe/config/ConfigException : Unsupported major.minor version 52.0
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:800)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:449)
at java.net.URLClassLoader.access$100(URLClassLoader.java:71)
at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
at play.core.server.ProdServerStart$.readServerConfigSettings(ProdServerStart.scala:76)
at play.core.server.ProdServerStart$.start(ProdServerStart.scala:37)
at play.core.server.ProdServerStart$.main(ProdServerStart.scala:22)
at play.core.server.ProdServerStart.main(ProdServerStart.scala)
at java.lang.ClassLoader.
at java.lang.ClassLoader.
at java.security.
at java.net.URLClassLoader.
at java.net.URLClassLoader.
at java.net.URLClassLoader$1.run(
at java.net.URLClassLoader$1.run(
at java.security.
at java.net.URLClassLoader.
at java.lang.ClassLoader.
at sun.misc.Launcher$
at java.lang.ClassLoader.
at play.core.server.
at play.core.server.
at play.core.server.
at play.core.server.
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