Re: [m2e-users] New checkout of working project has m2e persistently com

["KARR, DAVID" <dk068x@xxxxxxx>]

> -----Original Message-----
> From: m2e-users-bounces@xxxxxxxxxxx [mailto:m2e-users-
> bounces@xxxxxxxxxxx] On Behalf Of Igor Fedorenko
> Sent: Tuesday, August 28, 2012 10:59 AM
> To: m2e-users@xxxxxxxxxxx
> Subject: Re: [m2e-users] New checkout of working project has m2e
> persistently complaining about missing artifacts that aren't missing
> 
> I don't have a good explanation of the problem but here are some
> pointers that may help you debug this
> 
> m2e uses proxy configuration from settings.xml, it does not use eclipse
> proxy settings.

This point led me to make a change that made the problem go away.  I had a proxy set in my settings.xml that is different from what I had in my browser or Eclipse preferences.  It had worked in the past, but when I changed it to the other one and cleaned the project, the error went away.

I guess this is fine now.

> m2e and maven in general cache artifact resolution exceptions in local
> maven repository and do not retry resolution for 24 hours by default.
> this may explain why you do not see any traffic out of eclipse.
> 
> There is an outstanding issue with windows ntlm proxies [1], which may
> or may not be related.
> 
> [1] https://bugs.eclipse.org/bugs/show_bug.cgi?id=343009
> 
> --
> Regards,
> Igor
> 
> On 12-08-28 11:51 AM, KARR, DAVID wrote:
> >> -----Original Message-----
> >> From: m2e-users-bounces@xxxxxxxxxxx [mailto:m2e-users-
> >> bounces@xxxxxxxxxxx] On Behalf Of Igor Fedorenko
> >> Sent: Monday, August 27, 2012 7:36 PM
> >> To: m2e-users@xxxxxxxxxxx
> >> Subject: Re: [m2e-users] New checkout of working project has m2e
> >> persistently complaining about missing artifacts that aren't missing
> >>
> >> At least some windows antiviruses have per-application rules, so it
> is
> >> theoretically possible that java.exe or eclipse.org gets blocked
> while
> >> firefox does not. This is just a guess, to know for sure you'd need
> to
> >> monitor traffic coming from and going in the win7 box.
> >
> > I sincerely doubt this is a firewall problem.  I have no trouble
> updating plugins or viewing external pages in the embedded browser.
> >
> > I tried capturing traffic with Wireshark, but I don't see any obvious
> traffic coming from Eclipse.  I can see traffic obviously coming from
> Firefox.
> >
> > We use an outgoing proxy, which I have configured in both Firefox and
> Eclipse.
> >
> > When I do a "Project"->"Clean", the error goes away and then comes
> back very quickly.  Considering the error message says it's a
> "timeout", that timeout must be very short, which leads me to think
> this is not doing what it says it's doing.
> >
> >> On 12-08-27 7:10 PM, KARR, DAVID wrote:
> >>> I mentioned that those urls do not fail in my Firefox instance, or
> in
> >>> the internal browser in Eclipse, and the Maven build from the
> command
> >>> line is fine.  These are all on the same box, so it seems unlikely
> >> that
> >>> an antivirus app or a firewall is causing this.
> >>>
> >>> *From:*m2e-users-bounces@xxxxxxxxxxx
> >>> [mailto:m2e-users-bounces@xxxxxxxxxxx] *On Behalf Of *Matthew
> Piggott
> >>> *Sent:* Monday, August 27, 2012 2:52 PM
> >>> *To:* Maven Integration for Eclipse users mailing list
> >>> *Subject:* Re: [m2e-users] New checkout of working project has m2e
> >>> persistently complaining about missing artifacts that aren't
> missing
> >>>
> >>> I would suggest checking your Anti-Virus, in p2 people have run
> into
> >>> issues where the AV (most if not all reports have been AVG I
> believe)
> >> is
> >>> causing timeouts.
> >>>
> >>> On 27 August 2012 17:41, Igor Fedorenko <igor@xxxxxxxxxxxxxx
> >>> <mailto:igor@xxxxxxxxxxxxxx>> wrote:
> >>>
> >>> "connection timed out" usually means networking related problems.
> Are
> >>> you sure windows firewall is not playing tricks on you?
> >>>
> >>> --
> >>> Regards,
> >>> Igor
> >>>
> >>>
> >>>
> >>> On 12-08-27 5:18 PM, KARR, DAVID wrote:
> >>>
> >>> I've been working on a Maven project with my Eclipse running on a
> >> Linux
> >>> box.  Today I tried getting my Win7 environment up to date.  I have
> >> the
> >>> latest 3.x version of Eclipse on both boxes.  When I checked out my
> >>> working project from SVN on the Win7 box, I had a bunch of errors
> >> like this:
> >>>
> >>> -----------------
> >>> ArtifactDescriptorException: Failed to read artifact descriptor for
> >>> org.springframework:spring-webmvc-portlet:jar:3.0.6.RELEASE:
> >>> ArtifactResolutionException: Failure to transfer
> >>> org.springframework:spring-webmvc-portlet:pom:3.0.6.RELEASE from
> >>> http://repo.maven.apache.org/maven2 was cached in the local
> >> repository,
> >>> resolution will not be reattempted until the update interval of
> >> central
> >>> has elapsed or updates are forced. Original error: Could not
> transfer
> >>> artifact org.springframework:spring-webmvc-
> portlet:pom:3.0.6.RELEASE
> >>> from/to central (http://repo.maven.apache.org/maven2):
> >>> java.net.ConnectException: connection timed out to
> >>> http://repo.maven.apache.org/maven2/org/springframework/spring-
> >> webmvc-portlet/3.0.6.RELEASE/spring-webmvc-portlet-3.0.6.RELEASE.pom
> >>>
> >>> Failure to transfer org.codehaus.mojo:cobertura-maven-
> >> plugin:pom:2.5.1
> >>> from http://repo.maven.apache.org/maven2 was cached in the local
> >>> repository, resolution will not be reattempted until the update
> >> interval
> >>> of central has elapsed or updates are forced. Original error: Could
> >> not
> >>> transfer artifact org.codehaus.mojo:cobertura-maven-
> plugin:pom:2.5.1
> >>> from/to central (http://repo.maven.apache.org/maven2):
> >>> java.net.ConnectException: connection timed out to
> >>> http://repo.maven.apache.org/maven2/org/codehaus/mojo/cobertura-
> >> maven-plugin/2.5.1/cobertura-maven-plugin-2.5.1.pom
> >>>
> >>> Missing artifact aopalliance:aopalliance:jar:1.0
> >>> -----------------
> >>>
> >>> The first two are somewhat unique, but there were many occurrences
> of
> >>> the third one, with different coordinates.
> >>>
> >>> The project builds fine from the command line outside of Eclipse.
> >>>
> >>> I've tried doing "Update Project", both with and without the "Force
> >>> update of snapshots/releases" flag.
> >>>
> >>> I also tried "Project"->"Clean..." and selected "Clean all
> projects".
> >>>
> >>> I tried entering those two urls that it's claiming it's failing to
> >>> connect to, in both my external Firefox, and in the internal
> Eclipse
> >>> browser.  No problems there.
> >>>
> >>> When I explore the "Maven Dependencies" tree in the Package
> Explorer,
> >> I
> >>> find all of these libraries that m2e says it can't find (the
> "Missing
> >>> artifact" message).
> >>>
> >>> I've also tried restarting Eclipse.  No change.
> >>> _______________________________________________
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> >>>
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> >>>
> >>>
> >>>
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> >>>
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