You can build the system vm with -source 1.7 -target 1.7 Also unless you are using Java8 features (lambda) the classfiles produced by javac 8 should work in a 1.7 JVM
Sent from my iPhone > On Feb 20, 2017, at 11:51 AM, Will Stevens <wstev...@cloudops.com> wrote: > > yes, that is what I was expecting. which is why I was asking about Wei's > setup because he seems to have worked around that problem. Or he has a > custom SystemVM template running with both JDK7 and JDK8. > > *Will STEVENS* > Lead Developer > > <https://goo.gl/NYZ8KK> > >> On Mon, Feb 20, 2017 at 2:20 PM, Syed Ahmed <sah...@cloudops.com> wrote: >> >> The problem is that systemvm.iso is built with java 8 whereas java on the >> VR is java 7 >>> On Mon, Feb 20, 2017 at 13:20 Will Stevens <wstev...@cloudops.com> wrote: >>> >>> Did it work after resetting a VPC or when blowing away the SSVM or >> CPVM? I >>> would not expect the SSVM or the CPVM to come up if the management server >>> was built with JDK8 and the system vm template is only using JDK7. Can >> you >>> confirm? >>> >>> *Will STEVENS* >>> Lead Developer >>> >>> <https://goo.gl/NYZ8KK> >>> >>>> On Mon, Feb 20, 2017 at 1:15 PM, Wei ZHOU <ustcweiz...@gmail.com> wrote: >>>> >>>> We've tested management server 4.7.1 with ubuntu 16.04/openjdk8 and >>>> systemvm 4.6 with debian7/openjdk7. >>>> The systemvms (ssvm, cpvm) work fine. >>>> >>>> I agree we need consider the openjdk upgrade in systemvm template. >>>> >>>> -Wei >>>> >>>> 2017-02-20 18:15 GMT+01:00 Will Stevens <wstev...@cloudops.com>: >>>> >>>>> Regarding my question. Is it because of the version of Java that the >>>>> systemvm.iso is built on? >>>>> >>>>> On Feb 20, 2017 11:58 AM, "Will Stevens" <wstev...@cloudops.com> >>> wrote: >>>>> >>>>>> A question that is hidden in here is: >>>>>> - Why does the JDK version on the management server have to match >> the >>>> JDK >>>>>> version of the System VM? >>>>>> >>>>>> *Will STEVENS* >>>>>> Lead Developer >>>>>> >>>>>> <https://goo.gl/NYZ8KK> >>>>>> >>>>>> On Mon, Feb 20, 2017 at 11:50 AM, Pierre-Luc Dion < >>> pd...@cloudops.com> >>>>>> wrote: >>>>>> >>>>>>> Hi, >>>>>>> >>>>>>> In the context of deployment of CloudStack with VPCs, >>>>>>> What will happen to a cloud when upgrading to 4.10 that now use >>> jdk8? >>>>>>> >>>>>>> Does upgrading the management-server to 4.10 jdk8 and then keep >> the >>>> old >>>>>>> VRs >>>>>>> run for a while that run on JDK7 will still work ? >>>>>>> >>>>>>> Because If we upgrade the management-server to jdk8, we need to >> keep >>>> VR >>>>> to >>>>>>> work until they get upgraded but we can't force an upgrade of VR >>> just >>>>>>> because the management-server is now using JDK8. >>>>>>> >>>>>>> Thanks, >>>>>>> >>>>>> >>>>>> >>>>> >>>> >>> >>
