Try to build JDK7 compatible stuff with JDK8

.travis.yml

@@ -1,5 +1,5 @@
 # 
-# Copyright 2016-2017 Martin Goellnitz
+# Copyright 2016-2018 Martin Goellnitz
 # 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Lesser General Public License as published by
@@ -27,15 +27,15 @@ sudo: false
 language: java
 
 jdk:
-  - openjdk7
+  - oraclejdk8
 
 cache:
   directories:
     - $HOME/.gradle/caches/
     - $HOME/.gradle/wrapper/
 
 after_success:
-  - gradle jacocoCombinedReport coveralls generatePomFileForMavenJavaPublication artifactoryPublish
+  - ./gradlew jacocoCombinedReport coveralls generatePomFileForMavenJavaPublication artifactoryPublish
 
 before_cache:
   - rm -f  $HOME/.gradle/caches/modules-2/modules-2.lock

publication-build.sh

@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# Copyright 2015-2017 Martin Goellnitz
+# Copyright 2015-2018 Martin Goellnitz
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Lesser General Public License as published by
@@ -19,12 +19,7 @@ JDK=`ls -d /opt/*jdk*1.7*|tail -1`
 if [ -z "$JDK" ] ; then
   JDK=`ls -d /usr/lib/jvm/*java*1.7*|tail -1`
 fi
-if [ ! -z "$JDK" ] ; then
-  echo $JDK
-  export JAVA_HOME=$JDK
-  export PATH=$JAVA_HOME/bin:$PATH
-else
+if [ -z "$JDK" ] ; then
   echo "Didn't find Java7 - exiting"
 fi
-export JAVA_OPTS="-XX:PermSize=128m -XX:MaxPermSize=256m"
-./gradlew -Prelease clean build jacocoTestReport jacocoCombinedReport publishToMavenLocal
+./gradlew -Pjdk=$JDK -Prelease clean build jacocoTestReport jacocoCombinedReport publishToMavenLocal