id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
10099	JOSM tries to use Java 6 when installed	shoorick	bastiK	"JOSM stops when Java 6 installed even Java 7 presented too. Checked under Ubuntu 12.04 LTS with simultaneously installed Java 6 and 7. JOSM which spawned from terminal produce error:
{{{
Using /usr/lib/jvm/java-6-openjdk-i386/bin/java to execute josm.
Exception in thread ""main"" java.lang.UnsupportedClassVersionError: JOSM : Unsupported major.minor version 51.0
        at java.lang.ClassLoader.defineClass1(Native Method)
        at java.lang.ClassLoader.defineClass(ClassLoader.java:643)
        at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:277)
        at java.net.URLClassLoader.access$000(URLClassLoader.java:73)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:212)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:205)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:323)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:294)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:268)
Could not find the main class: JOSM. Program will exit.
}}}

== How to resolve ==
Remove paths to Java 6 from /usr/bin/josm:
{{{#!diff
--- josm.ORIG	2013-08-09 20:11:05.000000000 +0600
+++ josm	2014-06-05 12:28:03.797657191 +0600
@@ -11,9 +11,9 @@
 
 # If OpenJDK is only available headless, do not try it
 if dpkg --get-selections 'openjdk-*-jre' | grep install$ > /dev/null ; then
-	JAVA_CMDS=""$JAVA_HOME/bin/java /usr/lib/jvm/java-7-openjdk/bin/java /usr/lib/jvm/java-7-openjdk-$ARCH/bin/java /usr/lib/jvm/java-7-oracle/bin/java /usr/lib/jvm/java-6-openjdk/bin/java /usr/lib/jvm/java-6-openjdk-$ARCH/bin/java /usr/lib/jvm/java-6-sun/bin/java""
+	JAVA_CMDS=""$JAVA_HOME/bin/java /usr/lib/jvm/java-7-openjdk/bin/java /usr/lib/jvm/java-7-openjdk-$ARCH/bin/java /usr/lib/jvm/java-7-oracle/bin/java""
 else
-	JAVA_CMDS=""$JAVA_HOME/bin/java /usr/lib/jvm/java-7-oracle/bin/java /usr/lib/jvm/java-6-sun/bin/java /usr/bin/java""
+	JAVA_CMDS=""$JAVA_HOME/bin/java /usr/lib/jvm/java-7-oracle/bin/java /usr/bin/java""
 fi
 
 JAVA_OPTS=""-Djosm.restart=true -Djava.net.useSystemProxies=true $JAVA_OPTS""
}}}"	defect	closed	normal	14.06	Ubuntu package	tested	fixed