Please believe me, the trouble is caused by the transient dependency.
You can suppress transient dependencies by using the "exclude" element
for your SNMP4J-Agent dependency which has to exclude the transient
SNMP4J 2.2.3 dependency.
Best regards,
Frank
Am 05.02.2014 10:34, schrieb 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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