[EMAIL PROTECTED] wrote on Monday, May 29, 2006 5:59 PM:
> Hi!
>
> We use maven 2 to build a large project consisting of several
> modules. Dependencies between modules are handled by the
> maven dependency mechanism. During development, we want to
> use the SNAPSHOT feature because we don't want to have an inflation
> of version numbers.
>
> The problem: For me it looks like snapshots are never updated in the
> local repository.
There was already a thread some days ago (17.5.), where a user had the same
problems. It seems there is a problem and you should raise an issue in JIRA.
- Jörg
>
> To track this down, I have done the following test:
>
> 1. Deploy "interface" to our central repository
> 2. Compile "client" (which depends on "interface")
> pom, jar and metadata are downloaded into local repository.
> 3. Increased version number and timestamp in the file
> 1.0-SNAPSHOT/maven-metadata.xml, recomputed checksums.
> 4. Run "mvn -U clean compile" on module "client".
> This results in the following log:
>
> [INFO] Scanning for projects...
> [INFO]
> --------------------------------------------------------------
> --------------
> [INFO] Building Client for the great calculator
> [INFO] task-segment: [clean, compile]
> [INFO]
> --------------------------------------------------------------
> --------------
> [INFO] artifact org.apache.maven.plugins:maven-clean-plugin:
> checking for updates from central
> [INFO] artifact org.apache.maven.plugins:maven-source-plugin:
> checking for updates from central
> [INFO] artifact
> org.apache.maven.plugins:maven-surefire-plugin: checking for updates
> from central [INFO] [clean:clean]
> [INFO] Deleting directory c:\example\client\target
> [INFO] Deleting directory c:\example\client\target\classes
> [INFO] Deleting directory c:\example\client\target\test-classes
> [INFO] artifact org.apache.maven.plugins:maven-resources-plugin:
> checking for updates from central [INFO] artifact
> org.apache.maven.plugins:maven-compiler-plugin: checking for updates
> from central [INFO] [source-download:download-sources {execution:
> default}]
>
> -----> [INFO] snapshot
> de.sdm.calculator:interface:1.0-SNAPSHOT: checking for
> updates from central <------
>
> [INFO] [resources:resources]
> [INFO] Using default encoding to copy filtered resources. [INFO]
> snapshot de.sdm.calculator:calculator-all:1.0-SNAPSHOT: checking for
> updates from central [INFO] [compiler:compile]
> Compiling 1 source file to c:\example\client\target\classes [INFO]
> --------------------------------------------------------------
> ----------
> [INFO] BUILD SUCCESSFUL
>
> As you can see in the marked line, the check for updates is
> done. Looking into ~/.m2/repository I can see even the new
> maven-metadata-central.xml (new timestamp, new content), but
> the jar is NOT updated from the server.
>
> Is this intendented behaviour?
>
> I can solve the problem by setting
> <uniqueVersion>true</uniqueVersion> master pom of the
> project, but this clobberes the local repositories of all
> users and the central repository with lots of old versions.
>
> Your comments?
>
> Regards
>
> Roger
>
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