Re: how to preserve artifact time from repository to local repository

2009-11-26 Thread Henri Gomez
I was thinking more about it.

There is stable date for an artifact, ie META-INF/MANIFEST.MF inside
the jar, it should allways be the date of the artifact creation

2009/11/25 Henri Gomez henri.go...@gmail.com:
 3.0.x, good, that's the target version for us (m2eclipse users)

 2009/11/25 Wayne Fay wayne...@gmail.com:
 Question, If I should file it as an enhancement, it should be for :
 2.1.x, 2.2.x and 3.0.x ?

 I would file for 3.0.x simply because that is where the most activity
 is happening lately.

 But it sounds like Marat has a better suggestion, which I would pursue
 before going down this road.

 Wayne

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Re: how to preserve artifact time from repository to local repository

2009-11-25 Thread Wayne Fay
 When maven get the artifact from nexus to my local repository
 (~m2/repository), the timestamp is not conserved, the files get the
 timestamp of creation on the local repo.

You are certainly welcome to file it as an enhancement, but it seems
like an edge case and I doubt it will be addressed unless you are
willing to do the work yourself and contribute it back...

This is the only time I've ever heard of needing a particular
timestamp for a given artifact. I don't personally believe in there
being one true timestamp for a given artifact and think this should
rather be handled via proper versioning.

Wayne

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Re: how to preserve artifact time from repository to local repository

2009-11-25 Thread Henri Gomez
 When maven get the artifact from nexus to my local repository
 (~m2/repository), the timestamp is not conserved, the files get the
 timestamp of creation on the local repo.

 You are certainly welcome to file it as an enhancement, but it seems
 like an edge case and I doubt it will be addressed unless you are
 willing to do the work yourself and contribute it back...

 This is the only time I've ever heard of needing a particular
 timestamp for a given artifact. I don't personally believe in there
 being one true timestamp for a given artifact and think this should
 rather be handled via proper versioning.

Well it's more than needed when in some case like Java WebStart applications.

Developper Joe get log4j from the repository on monday, log4j
timestamp is monday locally.
It produce an WS application on Tuesday where log4j is timestamped as monday.

User Dan get the WS applications on Wednesday and the WS cache system
mark the log4j (monday).

Developper Jill get log4j from the repository on Thursday, log4j is
timestamped Thursday locally.
It produce an WS application on Thursday where log4j is timestamped as tuesday.

Dan get back to the WS application on Friday, it's the same log4j but
since the WS application report it to be Thursday and its cached
version is earlier, it will download it another time.

It just brake the WS/JNLP caching system and add uneeded network load.

And if Dan is not alone, say 50 or 100 users, it became a serious
infrastructure problem.

I don't know very well the wagon support but I think maven could know
the timestamp of the downloaded artifact ?
If so, it should be easy to setLastModified after download ?

Question, If I should file it as an enhancement, it should be for :

2.1.x, 2.2.x and 3.0.x ?

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Re: how to preserve artifact time from repository to local repository

2009-11-25 Thread Marat Radchenko
timestamps isn't the only versioning mechanism for java webstart. it's just
the most fragile (as you already see) one. Why don't you use
maven-webstart-plugin? it creates  webstart descriptor with artifact
version-based versioning.

2009/11/25, Henri Gomez henri.go...@gmail.com:

  When maven get the artifact from nexus to my local repository
  (~m2/repository), the timestamp is not conserved, the files get the
  timestamp of creation on the local repo.
 
  You are certainly welcome to file it as an enhancement, but it seems
  like an edge case and I doubt it will be addressed unless you are
  willing to do the work yourself and contribute it back...
 
  This is the only time I've ever heard of needing a particular
  timestamp for a given artifact. I don't personally believe in there
  being one true timestamp for a given artifact and think this should
  rather be handled via proper versioning.


 Well it's more than needed when in some case like Java WebStart
 applications.

 Developper Joe get log4j from the repository on monday, log4j
 timestamp is monday locally.
 It produce an WS application on Tuesday where log4j is timestamped as
 monday.

 User Dan get the WS applications on Wednesday and the WS cache system
 mark the log4j (monday).

 Developper Jill get log4j from the repository on Thursday, log4j is
 timestamped Thursday locally.
 It produce an WS application on Thursday where log4j is timestamped as
 tuesday.

 Dan get back to the WS application on Friday, it's the same log4j but
 since the WS application report it to be Thursday and its cached
 version is earlier, it will download it another time.

 It just brake the WS/JNLP caching system and add uneeded network load.

 And if Dan is not alone, say 50 or 100 users, it became a serious
 infrastructure problem.

 I don't know very well the wagon support but I think maven could know
 the timestamp of the downloaded artifact ?
 If so, it should be easy to setLastModified after download ?

 Question, If I should file it as an enhancement, it should be for :

 2.1.x, 2.2.x and 3.0.x ?


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Re: how to preserve artifact time from repository to local repository

2009-11-25 Thread Wayne Fay
 Question, If I should file it as an enhancement, it should be for :
 2.1.x, 2.2.x and 3.0.x ?

I would file for 3.0.x simply because that is where the most activity
is happening lately.

But it sounds like Marat has a better suggestion, which I would pursue
before going down this road.

Wayne

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Re: how to preserve artifact time from repository to local repository

2009-11-25 Thread Henri Gomez
 timestamps isn't the only versioning mechanism for java webstart. it's just
 the most fragile (as you already see) one. Why don't you use
 maven-webstart-plugin? it creates  webstart descriptor with artifact
 version-based versioning.

We allready use maven to feed the jnlp, the problem is elsewhere.
HTTP protocol used by java webstart use the If-Modified header.

And if the say, log4j-1.2.14.jar is requested and the JWS cached
version is earlier than the one in the webapp, it will be downloaded
another time even it's exactly the same, HTTP protocol use time
markers and not md5 or sha1 to difference between 2 files.



 2009/11/25, Henri Gomez henri.go...@gmail.com:

  When maven get the artifact from nexus to my local repository
  (~m2/repository), the timestamp is not conserved, the files get the
  timestamp of creation on the local repo.
 
  You are certainly welcome to file it as an enhancement, but it seems
  like an edge case and I doubt it will be addressed unless you are
  willing to do the work yourself and contribute it back...
 
  This is the only time I've ever heard of needing a particular
  timestamp for a given artifact. I don't personally believe in there
  being one true timestamp for a given artifact and think this should
  rather be handled via proper versioning.


 Well it's more than needed when in some case like Java WebStart
 applications.

 Developper Joe get log4j from the repository on monday, log4j
 timestamp is monday locally.
 It produce an WS application on Tuesday where log4j is timestamped as
 monday.

 User Dan get the WS applications on Wednesday and the WS cache system
 mark the log4j (monday).

 Developper Jill get log4j from the repository on Thursday, log4j is
 timestamped Thursday locally.
 It produce an WS application on Thursday where log4j is timestamped as
 tuesday.

 Dan get back to the WS application on Friday, it's the same log4j but
 since the WS application report it to be Thursday and its cached
 version is earlier, it will download it another time.

 It just brake the WS/JNLP caching system and add uneeded network load.

 And if Dan is not alone, say 50 or 100 users, it became a serious
 infrastructure problem.

 I don't know very well the wagon support but I think maven could know
 the timestamp of the downloaded artifact ?
 If so, it should be easy to setLastModified after download ?

 Question, If I should file it as an enhancement, it should be for :

 2.1.x, 2.2.x and 3.0.x ?


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Re: how to preserve artifact time from repository to local repository

2009-11-25 Thread Henri Gomez
3.0.x, good, that's the target version for us (m2eclipse users)

2009/11/25 Wayne Fay wayne...@gmail.com:
 Question, If I should file it as an enhancement, it should be for :
 2.1.x, 2.2.x and 3.0.x ?

 I would file for 3.0.x simply because that is where the most activity
 is happening lately.

 But it sounds like Marat has a better suggestion, which I would pursue
 before going down this road.

 Wayne

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