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RE: [p2-dev] 3.5 M5 migration issue

Done : https://bugs.eclipse.org/bugs/show_bug.cgi?id=268321
HTH & Tschuess,
Ciao, hh 

-----Original Message-----
From: p2-dev-bounces@xxxxxxxxxxx [mailto:p2-dev-bounces@xxxxxxxxxxx] On Behalf Of Stefan Liebig
Sent: Thursday, March 12, 2009 11:02 AM
To: P2 developer discussions
Subject: Re: [p2-dev] 3.5 M5 migration issue

Hi Helmut,

Can you please open a bug for this proxy problem within Platform/Team to track this.


Haigermoser, Helmut wrote: 

	Thanks Ian :)
	Sounds like I should try to get more code into the query class! :)
	Back in 3.4 I considered queries to be merely match queries and
	collectors the ones where I could look at the resulting set of matching
	IUs and filter that set to my wishes, looks like this concept is not the
	right one to move forward so I'll adapt. You guys adapted as well
	(LatestIUVersionCollector was removed, guess that logic is in a query
	now..) so there is examples I can start with :)
	Yeah, URL->URI, that's easy, a bit frustrating to run into some
	exceptions if URL.toURI is used with platform-returned URLS but quickly
	fixed by using the URIUtils :) My real problem there is that I heavily
	used the MetadataRepositories class as input for views, a class that was
	heavily reworked and can't be used the way I used to, it's queryable
	now, where it was a simple container of URL(or URI)s. I'll adapt here as
	well.. :)
	That native deadlock is my biggest problem right now, I'm wondering if
	anybody else saw this?
	Thread [Thread-11] (Suspended)
	        UnixProxyProvider.getGConfProxyInfo(String) line: not available
	[native method]
	line: 166
	line: 69
	        ProxyProvider(UnixProxyProvider).getProxyData() line: 62
	        ProxyManager.getNativeProxyData() line: 182
	        ProxySelector.getProxyData(String) line: 66
	        ProxyType.getProxyData(String) line: 426
	        ProxyType.updateHttpSystemProperties() line: 382
	        ProxyType.updateSystemProperties(IProxyData) line: 211
	        ProxyType.initialize() line: 509
	        ProxyManager.initialize() line: 281
	        Activator.start(BundleContext) line: 179
	        BundleContextImpl$1.run() line: 807
	line: not available [native method]
	        BundleContextImpl.startActivator(BundleActivator) line: 798
	        BundleContextImpl.start() line: 779
	        BundleHost.startWorker(int) line: 352
	        BundleHost(AbstractBundle).start(int) line: 280
	        SecureAction.start(Bundle, int) line: 408
	        EclipseLazyStarter.postFindLocalClass(String, Class,
	ClasspathManager) line: 111
	        ClasspathManager.findLocalClass(String) line: 447
	        DefaultClassLoader.findLocalClass(String) line: 194
	        BundleLoader.findLocalClass(String) line: 376
	        SingleSourcePackage.loadClass(String) line: 33
	        BundleLoader.findClassInternal(String, boolean, ClassLoader)
	line: 440
	        BundleLoader.findClass(String, boolean) line: 405
	        BundleLoader.findClass(String) line: 393
	        DefaultClassLoader.loadClass(String, boolean) line: 88
	        DefaultClassLoader(ClassLoader).loadClass(String) line: 251
	        DefaultClassLoader(ClassLoader).loadClassInternal(String) line:
	        Class<T>.forName0(String, boolean, ClassLoader) line: not
	available [native method]
	        Class<T>.forName(String) line: 169
	        Activator.getProxyService() line: 163
	xies() line: 844
	ieveRequest(IFileID, IFileRangeSpecification, IFileTransferListener,
	Map) line: 776
	ieveRequest(IFileID, IFileTransferListener, Map) line: 477
	IFileTransferListener, Map) line: 95
	String, OutputStream, IConnectContext, IProgressMonitor) line: 215
	        ECFTransport.performDownload(String, OutputStream,
	IConnectContext, IProgressMonitor) line: 164
	        ECFTransport.download(String, OutputStream, IProgressMonitor)
	line: 144
	URI, OutputStream, IProgressMonitor) line: 463
	OutputStream, IProgressMonitor) line: 446
	OutputStream, IProgressMonitor) line: 513
	        WRInstallAction.execute(Map) line: 45
	        ParameterizedProvisioningAction.execute(Map) line: 33
	        Install(Phase).mainPerform(MultiStatus, EngineSession, IProfile,
	Operand[], ProvisioningContext, SubMonitor) line: 116
	        Install(Phase).perform(MultiStatus, EngineSession, IProfile,
	Operand[], ProvisioningContext, IProgressMonitor) line: 62
	EngineSession, IProfile, Operand[], ProvisioningContext,
	IProgressMonitor) line: 44
	        Engine.perform(IProfile, PhaseSet, Operand[],
	ProvisioningContext, IProgressMonitor) line: 51
	        InstallerThread.run() line: 162
	Ciao, hh
	-----Original Message-----
	From: p2-dev-bounces@xxxxxxxxxxx [mailto:p2-dev-bounces@xxxxxxxxxxx] On
	Behalf Of Ian Bull
	Sent: Wednesday, March 11, 2009 11:04 PM
	To: P2 developer discussions
	Subject: Re: [p2-dev] 3.5 M5 migration issue
	I don't know about the native call, but I can offer some advice on the
	We are trying to move away from collectors (more work in 3.6) in favour
	of more advanced queries.  The reason for this is that repository
	implementors could potentially optimize queries based on their
	repository implementation.  For example, get latest version, could be a
	quick query if the repository stored all the IUs in sorted order based
	on their version.
	We would like to remove the requirement that collectors *must* be
	returned, and those implementing IQueryables could return their own
	collectors (possibly based on Futures or some other lazy loading
	technology).  For more information on this, see [1].
	As for the URL thing, you should be using URIs now.
	On Wed, Mar 11, 2009 at 11:13 AM, Haigermoser, Helmut
	<Helmut.Haigermoser@xxxxxxxxxxxxx> <mailto:Helmut.Haigermoser@xxxxxxxxxxxxx>  wrote:
	        Ciao Guys :)
	        I was wondering if you could help me with a migration issue I'm
	        with our previously 3.4-based installer.
	        At some point in the installation process I reach a native call
	        does not return:
	        The native call is UnixProxyProvider.getGConfProxyInfo(String)
	(this is
	        gnome/gtk specific).
	        The p2 version I'm using is the I-build of this week, same is
	true for
	        M5.. :(
	        Also, in the past we were using Collectors a lot, as well as the
	        MetadataRepositories class that was fed some URLs,
	        looks like these concepts are not to be used anymore, Collector
	is not
	        derived more then 10 times anymore, and MetadataRepositories
	cannot be
	        fed URLs so easily anymore, do you have some pointers for
	        E.g, I'm guessing that one should favor overriding the
	IMatchQuery base
	        classes instead of putting logic into Collectors?
	        Ciao, hh
	        P.S.: I could help write a migration guide, using my experience
	        if you could use that info?
	        p2-dev mailing list
	R. Ian Bull | EclipseSource Victoria | +1 250 477 7484
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