[slf4j-user] Migrating from commons-logging

[Douglas Ferguson]

So does that mean that:

1) mvn dependency tree is lying to me?
2) If I remove the jcl-over-slf4j.jar  that 3rd party libraries, like spring that use commons logging will still be able to log at runtime? Maybe I need to mark it runtime so it is included in the war but not compiled against?

Douglas


On Aug 12, 2011, at 11:13 AM, Chris Pratt wrote:

> My guess is you're not seeing the actual inclusion of the commons-logging.jar, but the API's included in that jar.  Those API's are replicated by the jcl-over-slf4j.jar file but use the SLF4j API under the covers.  If you want to make sure people can't write to that API, remove that jar file.
>   (*Chris*)
> 
> On Fri, Aug 12, 2011 at 7:20 AM, Douglas Ferguson <thedug at gmail.com> wrote:
> Hi,
> 
> I'm migrating a spring project from a hybrid of log4j and commons logging. I'd like to make sure that developer don't inadvertently use commons-logging or log4j directly
> 
> I ran the migrator. It worked great
> 
> I added exclusions to my pom, but eclipse still finds the commons-logging jar and when a run maven dependency:tree it still shows up:
> 
> 
> [INFO] +- org.springframework.ws:spring-ws-core:jar:2.0.0.RELEASE:compile
> [INFO] |  +- wsdl4j:wsdl4j:jar:1.6.1:compile
> [INFO] |  \- commons-logging:commons-logging:jar:1.1.1:compile
> 
> 		<dependency>
> 			<groupId>org.springframework.ws</groupId>
> 			<artifactId>spring-ws-core</artifactId>
> 			<version>${spring-ws-version}</version>
> 			<type>jar</type>
> 			<scope>compile</scope>
> 			<exclusions>
> 				<exclusion>
> 					<groupId>commons-logging</groupId>
> 					<artifactId>commons-logging</artifactId>
> 				</exclusion>
> 			</exclusions>			
> 		</dependency>
> 
> 
> 
> I also added this so that any dependencies that are using commons-logging will be ok
> 
> 		<dependency>
> 		  <groupId>org.slf4j</groupId>
> 		  <artifactId>jcl-over-slf4j</artifactId>
> 		  <version>1.6.1</version>
> 		</dependency>
> 
> Here's my other logging dependencies
> 
> 
> 
> 
> 		<!-- slf4j -->
> 		<dependency>
> 			<groupId>org.slf4j</groupId>
> 			<artifactId>slf4j-api</artifactId>
> 			<version>1.6.1</version>
> 			<type>jar</type>
> 			<scope>compile</scope>
> 		</dependency>
> 		<dependency>
> 			<groupId>org.slf4j</groupId>
> 			<artifactId>slf4j-log4j12</artifactId>
> 			<version>1.6.1</version>
> 			<type>jar</type>
> 			<scope>compile</scope>
> 		</dependency>
> 
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