Hello Mohan,
In more technical jargon, log4j in your example is a compile time dependency
of A, and only a runtime dependency of C, which means that if you want to
make log4j calls in C, you need to declare it as a compile time dependency
(default scope).
HTH,
w
On Sun, Nov 30, 2008 at 12:20 AM, Mohan K R <[EMAIL PROTECTED]> wrote:
> It appears that I'm missing something critical here, so please help me out.
> I have a standard
> multi-module project like this. (I'm using Maven 2.0.9, JDK5).
>
> parent (P) -
> |- module A
> |- module B
> |- module C
>
>
> A,B,C all inherit from the parent P.
>
> Now in my parent POM (P): I have a dependencyManagement section in the POM.
> <depedencyManagement>
> <dependencies>
> <dependency>
> <groupId>log4j</groupId>
> <artifactId>log4j</artifactId>
> <version>1.2.14</version>
> <dependency>
> <... bunch of others ...>
> <dependencies>
> </dependencyManagement>
>
> Now in module A (I have a dependency on log4j), so only thing that I
> provide
> is (notice no version):
>
> <dependencies>
> <dependency>
> <groupId>log4j</groupId>
> <artifactId>log4j</artifactId>
> <dependency>
> <... bunch of others ...>
> <dependencies>
>
> Now in module B depends on module A so I have this in my dependency:
> <dependencies>
> <dependency>
> <groupId>${project.groupId}</groupId>
> <artifactId>module_A</artifactId> <!-- NOTICE MODULE A -->
> <version>${project.version}</version>
> <dependency>
> <... bunch of others ...*but no log4j*>
> <dependencies>
> NOTE: I do use log4j in B, but it got transitively pulled in. So far so
> good.
>
> Now Module C, depends on Module B. So what I have is:
> <dependencies>
> <dependency>
> <groupId>${project.groupId}</groupId>
> <artifactId>module_B</artifactId> <!-- NOTICE MODULE B
> -->
> <version>${project.version}</version>
> <dependency>
> <... bunch of others ...>
> <dependencies>
> Now, I do use some log4j calls (LogFactory), but for some reason log4j does
> not
> get pulled in transitively??? I have to explicitly give a dependency on
> log4j *or*
> module_A to get it to compile??
>
> My first that was, all transitive dependencies on module_B should get
> pulled
> in which
> means module_A and in turn its transitive dependency log4j. But nothing of
> this sort
> is happening? Any ideas? Is it the dependecyManagement section (which has
> the version)
> that is messing me up, since C does inherit from P?
>
> Thanks
> Mohan K
>
