[jira] [Created] (MENFORCER-228) DependencyConvergence: Simplify logging errors

["Stephan Krull (JIRA)" <ji...@apache.org>]

Stephan Krull created MENFORCER-228:
---------------------------------------

             Summary: DependencyConvergence: Simplify logging errors
                 Key: MENFORCER-228
                 URL: https://issues.apache.org/jira/browse/MENFORCER-228
             Project: Maven Enforcer Plugin
          Issue Type: Bug
          Components: Standard Rules
    Affects Versions: 1.4
         Environment: Maven 3.2.2; Oracle JDK 8
            Reporter: Stephan Krull


The dependency convergence rule check works great. I just wonder if it is really necessary to log the according error messages two times:

see source code http://svn.apache.org/viewvc/maven/enforcer/tags/1.4/enforcer-rules/src/main/java/org/apache/maven/plugins/enforcer/DependencyConvergence.java?view=markup
{code:title=lines 127 to 134}
for ( CharSequence errorMsg : errorMsgs )
{
 	log.warn( errorMsg );
}
if ( errorMsgs.size() > 0 )
{
 	throw new EnforcerRuleException( "Failed while enforcing releasability the error(s) are " + errorMsgs );
}
{code}

this produces outputs like:

{noformat}
[INFO] --- maven-enforcer-plugin:1.4:enforce (enforce dependency convergence) @ bom ---
[WARNING] 
Dependency convergence error for commons-logging:commons-logging:1.1.3 paths to dependency are:
+-my.group:my.artifact:2.1-SNAPSHOT
  +-org.springframework:spring-context:4.0.9.RELEASE
    +-org.springframework:spring-core:4.0.9.RELEASE
      +-commons-logging:commons-logging:1.1.3
and
+-my.group:my.artifact:2.1-SNAPSHOT
  +-com.orientechnologies:orientdb-graphdb:2.1-rc1
    +-com.tinkerpop.blueprints:blueprints-core:2.6.0
      +-commons-logging:commons-logging:1.1.1

[WARNING] 
Dependency convergence error for org.slf4j:jcl-over-slf4j:1.7.6 paths to dependency are:
+-my.group:my.artifact:2.1-SNAPSHOT
  +-org.activiti:activiti-engine:5.17.0
    +-org.activiti:activiti-bpmn-converter:5.17.0
      +-org.slf4j:jcl-over-slf4j:1.7.6
and
+-my.group:my.artifact:2.1-SNAPSHOT
  +-org.activiti:activiti-engine:5.17.0
    +-org.slf4j:jcl-over-slf4j:1.7.6
and
+-my.group:my.artifact:2.1-SNAPSHOT
  +-org.springframework.ldap:spring-ldap-core:2.0.2.RELEASE
    +-org.springframework.data:spring-data-commons:1.6.1.RELEASE
      +-org.slf4j:jcl-over-slf4j:1.7.1

[WARNING] Rule 0: org.apache.maven.plugins.enforcer.DependencyConvergence failed with message:
Failed while enforcing releasability the error(s) are [
Dependency convergence error for commons-logging:commons-logging:1.1.3 paths to dependency are:
+-my.group:my.artifact:2.1-SNAPSHOT
  +-org.springframework:spring-context:4.0.9.RELEASE
    +-org.springframework:spring-core:4.0.9.RELEASE
      +-commons-logging:commons-logging:1.1.3
and
+-my.group:my.artifact:2.1-SNAPSHOT
  +-com.orientechnologies:orientdb-graphdb:2.1-rc1
    +-com.tinkerpop.blueprints:blueprints-core:2.6.0
      +-commons-logging:commons-logging:1.1.1
, 
Dependency convergence error for org.slf4j:jcl-over-slf4j:1.7.6 paths to dependency are:
+-my.group:my.artifact:2.1-SNAPSHOT
  +-org.activiti:activiti-engine:5.17.0
    +-org.activiti:activiti-bpmn-converter:5.17.0
      +-org.slf4j:jcl-over-slf4j:1.7.6
and
+-my.group:my.artifact:2.1-SNAPSHOT
  +-org.activiti:activiti-engine:5.17.0
    +-org.slf4j:jcl-over-slf4j:1.7.6
and
+-my.group:my.artifact:2.1-SNAPSHOT
  +-org.springframework.ldap:spring-ldap-core:2.0.2.RELEASE
    +-org.springframework.data:spring-data-commons:1.6.1.RELEASE
      +-org.slf4j:jcl-over-slf4j:1.7.1
]
{noformat}

the warning log messages are identical to the messages of the exception. so just skip one of the outputs if possible.



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