I didn't think that we agreed to bumping the java version to 7, and it seems like that might make working with distros / packages difficult.
Adding Alex and Frank to the CC to get their take. On Mon, Feb 25, 2013 at 12:23:39PM +0100, Wido den Hollander wrote: > Hi, > > So the last couple of days the master branch wouldn't build on my systems: > > [INFO] Apache CloudStack Framework - IPC ................. FAILURE [1.874s] > ... > ... > [INFO] > ------------------------------------------------------------------------ > [ERROR] Failed to execute goal > org.apache.maven.plugins:maven-compiler-plugin:2.5.1:compile > (default-compile) on project cloud-framework-ipc: Compilation > failure: Compilation failure: > [ERROR] > /home/employee/wido/repos/cloudstack/framework/ipc/src/org/apache/cloudstack/framework/rpc/RpcServerCallImpl.java:[51,58] > type parameters of <T>T cannot be determined; no unique maximal > instance exists for type variable T with upper bounds > T,java.lang.Object > [ERROR] > /home/employee/wido/repos/cloudstack/framework/ipc/src/org/apache/cloudstack/framework/rpc/RpcClientCallImpl.java:[191,60] > type parameters of <T>T cannot be determined; no unique maximal > instance exists for type variable T with upper bounds > T,java.lang.Object > > So I'm running Ubuntu 12.04.1 on all my systems (laptop, desktop, > servers) and this is the maven information: > > wido@wido-desktop:~$ mvn -v > Apache Maven 3.0.4 > Maven home: /usr/share/maven > Java version: 1.6.0_27, vendor: Sun Microsystems Inc. > Java home: /usr/lib/jvm/java-6-openjdk-amd64/jre > Default locale: en_US, platform encoding: UTF-8 > OS name: "linux", version: "3.2.0-38-generic", arch: "amd64", family: "unix" > wido@wido-desktop:~$ > > Now, that Java version is old, I know, but it's the openjdk version > which is in Ubuntu 12.04's repositories right now. > > I downloaded Java 7: > > wido@wido-desktop:~/repos/cloudstack$ JAVA_HOME="/opt/jdk1.7.0_15" mvn -v > Apache Maven 3.0.4 > Maven home: /usr/share/maven > Java version: 1.7.0_15, vendor: Oracle Corporation > Java home: /opt/jdk1.7.0_15/jre > Default locale: en_US, platform encoding: UTF-8 > OS name: "linux", version: "3.2.0-38-generic", arch: "amd64", family: "unix" > wido@wido-desktop:~/repos/cloudstack$ > > With that Java version the master branch builds just fine. > > > What I want to discuss which version of Java we support. > > I'd say we support the LTS version of any major release of CentOS or Ubuntu. > > I also understand that Java 6 is pretty old, so what do we do? > > Wido >
