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Posted to users@maven.apache.org by Hari Kodungallur <ha...@gmail.com> on 2005/05/04 21:14:54 UTC

can we disable cache invalidation?

Hi,

We do nightly build (using maven) on mutliple boxes, but using the
same user, called builduser. So basically /home/builduser/.maven is
shared among multiple builds on different machines at the same time.
Every now and then, I see a message like this

Cache invalidated due to out of date plugins
org.apache.maven.MavenException: Error parsing project.xml
'/home/builduser/.maven/cache/maven-junit-report-plugin-1.5/project.xml'
        at org.apache.maven.MavenUtils.getNonJellyProject(MavenUtils.java:207)
        at org.apache.maven.MavenUtils.getProject(MavenUtils.java:143)
        ...
        ...
--- Nested Exception ---
java.io.FileNotFoundException:
/home/builduser/.maven/cache/maven-junit-report-plugin-1.5/project.xml
(Stale NFS file handle)
        at java.io.FileInputStream.open(Native Method)
        at java.io.FileInputStream.<init>(FileInputStream.java:106)
        ...
        ...

I am guessing /home/builduser/.maven/cache got invalidated for some
reason from one machine and got repopulated at a time when other
machines were using the same. (Thats the only reason I can think of
for the "stale NFS file handle").

My questions are: 
(1) When exactly does the cache get invalidated. What change prompts
maven to do that?
(2) Is there any way to disable the deletion and repopulation of the
cache/plugins directory when this happens?

Thanks very much
-Hari

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Re: can we disable cache invalidation?

Posted by dan tran <da...@gmail.com>.
Hari,

It is no no to share same local repo for pararallel build.
try to route your local repo to local disk in each box, your
${user.home}/build.properties

#set local repo to local disk
maven.home.local=/opt/.maven/${user.name}

You must do this as wll since putting local repo on your network drive wil
slow the build

-D

On 5/4/05, Hari Kodungallur <ha...@gmail.com> wrote:
> Hi,
> 
> We do nightly build (using maven) on mutliple boxes, but using the
> same user, called builduser. So basically /home/builduser/.maven is
> shared among multiple builds on different machines at the same time.
> Every now and then, I see a message like this
> 
> Cache invalidated due to out of date plugins
> org.apache.maven.MavenException: Error parsing project.xml
> '/home/builduser/.maven/cache/maven-junit-report-plugin-1.5/project.xml'
>        at org.apache.maven.MavenUtils.getNonJellyProject(MavenUtils.java:207)
>        at org.apache.maven.MavenUtils.getProject(MavenUtils.java:143)
>        ...
>        ...
> --- Nested Exception ---
> java.io.FileNotFoundException:
> /home/builduser/.maven/cache/maven-junit-report-plugin-1.5/project.xml
> (Stale NFS file handle)
>        at java.io.FileInputStream.open(Native Method)
>        at java.io.FileInputStream.<init>(FileInputStream.java:106)
>        ...
>        ...
> 
> I am guessing /home/builduser/.maven/cache got invalidated for some
> reason from one machine and got repopulated at a time when other
> machines were using the same. (Thats the only reason I can think of
> for the "stale NFS file handle").
> 
> My questions are:
> (1) When exactly does the cache get invalidated. What change prompts
> maven to do that?
> (2) Is there any way to disable the deletion and repopulation of the
> cache/plugins directory when this happens?
> 
> Thanks very much
> -Hari
> 
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: users-unsubscribe@maven.apache.org
> For additional commands, e-mail: users-help@maven.apache.org
> 
>

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