Alex, I think we are in violent agreement. I am only advocating for a build tested on JRE7, and listed as officially supported in our docs. Using the Java7 features is a completely different discussion.
Thanks, -John On Feb 26, 2013, at 3:52 PM, Alex Huang <alex.hu...@citrix.com> wrote: > +1 That's exactly what I said in my reply as well. Support for Java7 means > we test with JRE7 in 4.1 but support for Java7 does not mean we should push > for deprecating JRE6 support. > > --Alex > > From: Noa Resare [mailto:n...@spotify.com] > Sent: Tuesday, February 26, 2013 12:35 PM > To: cloudstack-dev@incubator.apache.org > Cc: Frank Zhang; Alex Huang > Subject: Re: [DISCUSS] Supported Java version > > java 6 may be end-of-line'd by Oracle, but the OpenJDK is shipping as part of > the enterprise distributions and as such will be supported in i.e. Debian > Wheezy for at least years into the future. > > I'm not talking about not supporting java 7, the java ecosystem has > traditionally been very good at supporting code targeting current_version - > 1, but I propose we avoid using language features and quirks that break java > 6 compatibility. > > /n > > On Mon, Feb 25, 2013 at 5:04 PM, John Burwell > <jburw...@basho.com<mailto:jburw...@basho.com>> wrote: > Noa, > > I think of one very good reason -- as of this month, Java6 has been EOL'ed > [1] by Oracle (i.e. no more updates). Given the number of security issues > that have cropped in Java lately, it seems prudent, in my mind, to ensure > that the next release runs on an officially supported JRE. Also, OpenJDK 7 > is widely available for modern distributions (see openjdk-7 packages in > Ubuntu 12.04 and java-1.7.0-openjdk in RHEL/CentOS 6.3). > > Thanks, > -John > > [1]: http://www.oracle.com/technetwork/java/eol-135779.html > On Feb 25, 2013, at 10:24 AM, Noa Resare > <n...@spotify.com<mailto:n...@spotify.com>> wrote: > >> Unless someone comes with a very good argument to drop java 6 compatibility >> (and make a good case for it in in public and gather consensus) I would >> consider this a bug that needs to be fixed. >> >> /noa >> >> >> On Mon, Feb 25, 2013 at 4:00 PM, Chip Childers >> <chip.child...@sungard.com<mailto:chip.child...@sungard.com>>wrote: >> >>> 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 >>>> >>> >> >> >> >> -- >> Engineering Experience, Infrastructure tribe, Spotify > > > > -- > Engineering Experience, Infrastructure tribe, Spotify >
