* Package:    dev-java/commons-collections-3.2.1
 * Repository: gentoo
 * Maintainer: java@gentoo.org
 * USE:        abi_x86_64 amd64 elibc_glibc kernel_linux userland_GNU
 * FEATURES:   preserve-libs sandbox userpriv usersandbox
 * Using: oracle-jdk-bin-1.8
>>> Unpacking source...
>>> Unpacking commons-collections-3.2.1-src.tar.gz to /var/tmp/portage/dev-java/commons-collections-3.2.1/work
tar: A lone zero block at 9524
>>> Source unpacked in /var/tmp/portage/dev-java/commons-collections-3.2.1/work
>>> Compiling source in /var/tmp/portage/dev-java/commons-collections-3.2.1/work/commons-collections-3.2.1-src ...
Rewriting attributes
Rewriting ./build.xml
 * Disabling all optional ANT_TASKS
Buildfile: /var/tmp/portage/dev-java/commons-collections-3.2.1/work/commons-collections-3.2.1-src/build.xml

init:
     [echo] -------- commons-collections 3.2.1 --------

prepare:
    [mkdir] Created dir: /var/tmp/portage/dev-java/commons-collections-3.2.1/work/commons-collections-3.2.1-src/build

compile:
    [mkdir] Created dir: /var/tmp/portage/dev-java/commons-collections-3.2.1/work/commons-collections-3.2.1-src/build/classes
    [javac] Compiling 273 source files to /var/tmp/portage/dev-java/commons-collections-3.2.1/work/commons-collections-3.2.1-src/build/classes
    [javac] /var/tmp/portage/dev-java/commons-collections-3.2.1/work/commons-collections-3.2.1-src/src/java/org/apache/commons/collections/MultiHashMap.java:334: error: remove(Object,Object) in MultiHashMap cannot implement remove(Object,Object) in Map
    [javac]     public Object remove(Object key, Object item) {
    [javac]                   ^
    [javac]   return type Object is not compatible with boolean
    [javac] /var/tmp/portage/dev-java/commons-collections-3.2.1/work/commons-collections-3.2.1-src/src/java/org/apache/commons/collections/MultiMap.java:69: error: remove(Object,Object) in MultiMap clashes with remove(Object,Object) in Map
    [javac]     public Object remove(Object key, Object item);
    [javac]                   ^
    [javac]   return type Object is not compatible with boolean
    [javac] /var/tmp/portage/dev-java/commons-collections-3.2.1/work/commons-collections-3.2.1-src/src/java/org/apache/commons/collections/map/MultiKeyMap.java:200: error: remove(Object,Object) in MultiKeyMap cannot implement remove(Object,Object) in Map
    [javac]     public Object remove(Object key1, Object key2) {
    [javac]                   ^
    [javac]   return type Object is not compatible with boolean
    [javac] /var/tmp/portage/dev-java/commons-collections-3.2.1/work/commons-collections-3.2.1-src/src/java/org/apache/commons/collections/map/MultiValueMap.java:156: error: remove(Object,Object) in MultiValueMap cannot implement remove(Object,Object) in Map
    [javac]     public Object remove(Object key, Object value) {
    [javac]                   ^
    [javac]   return type Object is not compatible with boolean
    [javac] 4 errors

BUILD FAILED
/var/tmp/portage/dev-java/commons-collections-3.2.1/work/commons-collections-3.2.1-src/build.xml:106: Compile failed; see the compiler error output for details.

Total time: 2 seconds
 * ERROR: dev-java/commons-collections-3.2.1::gentoo failed (compile phase):
 *   eant failed
 * 
 * Call stack:
 *     ebuild.sh, line   93:  Called src_compile
 *   environment, line 3875:  Called eant 'jar'
 *   environment, line  576:  Called die
 * The specific snippet of code:
 *       ant ${antflags} "${@}" || die "eant failed"
 * 
 * If you need support, post the output of `emerge --info '=dev-java/commons-collections-3.2.1::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=dev-java/commons-collections-3.2.1::gentoo'`.
!!! When you file a bug report, please include the following information:
GENTOO_VM=oracle-jdk-bin-1.8  CLASSPATH="" JAVA_HOME="/opt/oracle-jdk-bin-1.8.0.5"
JAVACFLAGS="-source 1.4 -target 1.4" COMPILER="javac"
and of course, the output of emerge --info =commons-collections-3.2.1
 * The complete build log is located at '/var/tmp/portage/dev-java/commons-collections-3.2.1/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/dev-java/commons-collections-3.2.1/temp/environment'.
 * Working directory: '/var/tmp/portage/dev-java/commons-collections-3.2.1/work/commons-collections-3.2.1-src'
 * S: '/var/tmp/portage/dev-java/commons-collections-3.2.1/work/commons-collections-3.2.1-src'