Jan,
Missing pom.xml files cause m2e call remote repository (archiva in your
case) much more frequently than necessary. This behaviour itself,
however, does not result in "hangs", so there must be some other problem
either with network connection between your machine and the machine that
runs archiva or with archiva itself. By making fewer repository queries
m2e is (much?) less likely to hit this "other" problem, but I do not
believe the problem has gone away. At the same time I would not worry
about it if everything works for you now.
Jan Schoppenhorst wrote:
Thanks for your answer, Eugene. My current setup is that I have Archiva
on another machine and mirror all requests to this repository. Archiva
is connected to central. Is that not good enough? Are you suggesting to
put an Archiva instance on my machine (localhost)? I thought mirroring
all requests would result in all Maven requests being sent over the
Archiva proxy and thereby reducing the cost of network connection
already. I know that drifts further away from m2e but since the
discussion started here I will keep it here.
Eugene Kuleshov schrieb:
Jan,
I think Igor was just suggesting to install local repository manager
what would proxy all requests to the central repository, so it would
be much faster even when Maven would search external repositories.
More over, if you'll have such proxying repository manager on the
localhost it would eliminate cost of network connection in such cases.
Please also note that this issue is not in m2eclipse, but in Maven
core that m2eclipse is delegating to. We are working together with
Maven core team, but due to some restructuring in the Maven embedder
it is hard to say when it will be fixed.
regards,
Eugene
Jan Schoppenhorst wrote:
Thanks for the answer. The bug[1] seems to have caused the pain.
I do not know what you mean by saying "This behaviour probably
highlights problems in your network infrastructure or instability of
the repository manager." If the pom not being in the repo causes m2e
to search in the external repo why does that highlight a problem in
our network infrastructure? In the mentioned case, the central repo
was slow and querying it because of the missing pom caused the hang.
Igor Fedorenko schrieb:
There is a bug in the version of maven embedder used by m2e, it
always checks missing pom.xml files from all remote repositories
(i.e. multiple times per embedder invocation). This behaviour
probably highlights problems in your network infrastructure or
instability of the repository manager. See [1] for more details.
Originally I switched to nexus because [2] contained all artifacts
that I needed, so I could trim my settings.xml to just two entries
(repository/pluginRepository). Since then I started to use nexus on
my local machine too, mostly to debug deployment scenarios. It
barely use any memory so I just keep it running. (disclaimer, I am
affiliated with Sonatype).
[1] http://jira.codehaus.org/browse/MNGECLIPSE-523
[2] http://repository.sonatype.org/
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