| Re: [virgo-dev] Virgo and ECF remote services |
Hi Boris and all,
I corresponded with Thomas Watson about this resolution problem with httpclient 3.1 in virgo, and he said:
A bundle that expresses a Bundle-RequiredExcecutionEnvironment: J2SE-1.2 must be able to run on J2SE-1.4 and higher. I would like to understand what issue you see when the bundle does not also list J2SE-1.4. Tom <I explained what I was seeing> Hmmm, it is possible Virgo is using a custom java profile that does not list J2SE-1.2 in the property org.osgi.framework.executionenvironment. That would be a bug in Virgo, if that is the case. Tom[Scott] Should I open a bug for this against Virgo nano?...as it seems that given this the Orbit folks are not going to change the httpclient ee.
Thanks,
Scott
On 1/3/2012 9:19 PM, Scott Lewis wrote:On 1/3/2012 9:03 PM, Scott Lewis wrote:Hi Boris,
<stuff deleted>
One thing that I noticed while trying to install the httpclient 3.1 bundle from Orbit with a new feature...the httpclient bundle from Orbit wouldn't resolve:
org.osgi.framework.BundleException: The bundle "org.apache.commons.httpclient_3.1.0.v201012070820 [100]" could not be resolved. Reason: Missing
Constraint: Bundle-RequiredExecutionEnvironment: CDC-1.0/Foundation-1.0,J2SE-1.2
I've verified that if I add J2SE-1.4 to the set of required execution environments for the org.apache.commons.httpclient bundle, then it will install in Virgo just fine. Unfortunately, this bundle (httpclient 3.1.0) is currently maintained by Orbit committers...not be me or the ECF project.
I've sent a note to the Orbit dev mailing list, to find out if j2se 1.4 can be added to the httpclient 3.1.0 min ee.
Thanks,
Scott
Does this make sense to you? Does Virgo Nano not provide these execution environments?
Anyway...hopefully we can jointly work these things out. Please let me know what you think.
Thanks,
Scott
On 1/3/2012 9:28 AM, Borislav Kapukaranov wrote:Sure, you can find it on the Virgo milestones download page, under the Virgo Nano name.You can access telnet via "telnet localhost 2401", the p2 commands are available there.
Best Regards,Borislav
On Tue, Jan 3, 2012 at 7:24 PM, Scott Lewis <slewis@xxxxxxxxxxxxx> wrote:
Hi Boris,
Ok...thanks...I will do this. Sorry I haven't been keeping up on all the Virgo Nano work...sounds great. Is there a distribution available? If so...could you point me in the right direction?
Thanks much,
Scott
On 12/29/2011 5:59 AM, Borislav Kapukaranov wrote:Hey Scott,
Just tested installing ECF's remote services on Virgo Nano and, as expected, it went quite smoothly. The bundles got installed fine.If you'd like you can play with Virgo Nano and the p2 commands to see if there are any problems with the remote services lurking around.
Happy Holidays,Bobby
On Fri, Sep 23, 2011 at 6:53 PM, Scott Lewis <slewis@xxxxxxxxxxxxx> wrote:
HI Bobby,Sure. ECF's 3.5.2 release repo [1]. In this repo there are a few features...the one that is of interest for this use case (instead of Eclipse), is entitled 'ECF Remote Services Target Components'. Here [2] is a detailed description of adding this feature to one's target platform.
On 9/23/2011 1:02 AM, Kapukaranov, Borislav wrote:Hey Scott,
As of 3.5 equinox.common should come out of the box with Virgo as p2 has dependency to it too.
You’ll notice the bug doesn’t provide much content – that will change once I push the baseline of the p2 integration and build from then on for the remaining features.
I have the integration prepared locally and it’s looking good, e.g. the startup time on Windows was decreased more than twice… but I’m waiting on two p2 enhancements [1] [2] to get resolved. Without them the code won’t be building and working properly.
In the end if it turns out these are taking a lot of time to resolve we’ll just update EBR with the working versions until an official build is ready and start producing 3.5 alphas.
Do you have the update site of the ECF's remote services? I’d be happy to try it.
Also see [3] for a 'getting started' tutorial (with examples, etc).
In a previous note, Lorie referenced this wiki page [4] (thanks Lorie). The one thing that I wanted to add was that I think that much of what's described on this page [4] is now actually *unnecessary*...due to changes for ECF's implementation of the Remote Service Admin spec. This wiki page...although still valid/supported, I believe...requires more programming than is now strictly necessary. I will try to update it and simplify it when I can.
Also...for general reference, see [5].
Thanks,
Scott
[1] http://www.eclipse.org/ecf/downloads.php
[2] http://wiki.eclipse.org/EIG:Add_to_Target_Platform
[3] http://wiki.eclipse.org/EIG:Getting_Started_with_OSGi_Remote_Services
[4] http://wiki.eclipse.org/Using_Spring_with_ECF_Remote_Services
[5] http://wiki.eclipse.org/ECF#OSGi_Remote_Services
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