* Package:    dev-java/qdox-1.12.1-r1
 * Repository: gentoo
 * Maintainer: java proxy-maintainers
 * USE:        abi_x86_64 amd64 elibc_glibc kernel_linux userland_GNU
 * FEATURES:   preserve-libs sandbox userpriv usersandbox
 * Using: icedtea-bin-6
>>> Unpacking source...
>>> Unpacking qdox-1.12.1.tar.gz to /var/tmp/portage/dev-java/qdox-1.12.1-r1/work
>>> Source unpacked in /var/tmp/portage/dev-java/qdox-1.12.1-r1/work
>>> Preparing source in /var/tmp/portage/dev-java/qdox-1.12.1-r1/work/qdox-qdox-1.12.1 ...
 * Applying jflex-1.6.1.patch ...
 [ ok ]
>>> Source prepared.
>>> Configuring source in /var/tmp/portage/dev-java/qdox-1.12.1-r1/work/qdox-qdox-1.12.1 ...
>>> Source configured.
>>> Compiling source in /var/tmp/portage/dev-java/qdox-1.12.1-r1/work/qdox-qdox-1.12.1 ...
Reading skeleton file "src/grammar/skeleton.inner".
Reading "src/grammar/lexer.flex"
Exception in thread "main" java.lang.UnsupportedClassVersionError: java_cup/runtime/Scanner : 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)
	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)
	at jflex.Main.generate(Main.java:57)
	at jflex.Main.generate(Main.java:394)
	at jflex.Main.main(Main.java:411)
 * ERROR: dev-java/qdox-1.12.1-r1::gentoo failed (compile phase):
 *   (no error message)
 * 
 * Call stack:
 *     ebuild.sh, line  90:  Called src_compile
 *   environment, line 3908:  Called die
 * The specific snippet of code:
 *       jflex src/grammar/lexer.flex --skel src/grammar/skeleton.inner -d src/java/com/thoughtworks/qdox/parser/impl/ || die;
 * 
 * If you need support, post the output of `emerge --info '=dev-java/qdox-1.12.1-r1::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=dev-java/qdox-1.12.1-r1::gentoo'`.
!!! When you file a bug report, please include the following information:
GENTOO_VM=icedtea-bin-6  CLASSPATH="" JAVA_HOME="/opt/icedtea-bin-6.1.13.8"
JAVACFLAGS="-source 1.4 -target 1.4" COMPILER=""
and of course, the output of emerge --info =qdox-1.12.1
 * The complete build log is located at '/var/log/portage/dev-java:qdox-1.12.1-r1:20151107-190808.log'.
 * For convenience, a symlink to the build log is located at '/var/tmp/portage/dev-java/qdox-1.12.1-r1/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/dev-java/qdox-1.12.1-r1/temp/environment'.
 * Working directory: '/var/tmp/portage/dev-java/qdox-1.12.1-r1/work/qdox-qdox-1.12.1'
 * S: '/var/tmp/portage/dev-java/qdox-1.12.1-r1/work/qdox-qdox-1.12.1'