[SNMP4J] NoSuchMethodError in TestAgent

[Dysli Metref Etienne]

On 05/02/2014 15:15, Frank Fock wrote:
> Here is the problem. Maven (at least it is not Maven - that is true)
> does mess up your classpath, because SNMP4J-Agent 2.1.0 was built
> against SNMP4J 2.2.3 and thus, you get v2.2.3 in your classpath if
> you add a dependency to SNMP4J-Agent 2.1.0 to your dependencies in
> your application's pom.xml.
>
> If you then also add SNMP4J 2.2.4, you have two different versions at the
> same time.

With the following dependencies, Maven never fetches
org.snmp4j:snmp4j:jar:2.2.3.

<dependency>
  <groupId>org.snmp4j</groupId>
  <artifactId>snmp4j</artifactId>
  <version>2.2.4</version>
  <scope>compile</scope>
</dependency>
<dependency>
  <groupId>org.snmp4j</groupId>
  <artifactId>snmp4j-agent</artifactId>
  <version>2.1.0</version>
  <scope>compile</scope>
</dependency>

So how do you explain this?

$ mvn dependency:tree -Dverbose
[INFO] Scanning for projects...
------------------------------------------------------------------------
[INFO] Building SNMP4J_NoSuchMethodError_demo 1.0.0-SNAPSHOT
------------------------------------------------------------------------
[INFO]
[INFO] --- maven-dependency-plugin:2.8:tree (default-cli) @
SNMP4J_NoSuchMethodError_demo ---
[INFO] edysli:SNMP4J_NoSuchMethodError_demo:jar:1.0.0-SNAPSHOT
[INFO] +- junit:junit:jar:4.11:test
[INFO] |  \- org.hamcrest:hamcrest-core:jar:1.3:test
[INFO] +- org.snmp4j:snmp4j:jar:2.2.4:compile
[INFO] |  \- log4j:log4j:jar:1.2.14:compile
[INFO] \- org.snmp4j:snmp4j-agent:jar:2.1.0:compile
[INFO]    +- (log4j:log4j:jar:1.2.14:compile - omitted for duplicate)
[INFO]    \- (org.snmp4j:snmp4j:jar:2.2.3:compile - omitted for conflict
with 2.2.4)
[INFO]
------------------------------------------------------------------------
[INFO] BUILD SUCCESS
------------------------------------------------------------------------
[INFO] Total time: 3.964s
[INFO] Finished at: Wed Feb 05 17:28:45 SGT 2014
[INFO] Final Memory: 9M/120M
------------------------------------------------------------------------

Cheers,
   Etienne



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