Get NoClassDefFoundError for commons-lang StringUtils creating archetype

[David Karr]

On Sat, May 23, 2020 at 3:08 AM Henri Tremblay <henri.tremblay at gmail.com>
wrote:

> It runs flawlessly on my machine (with Maven 3.6.3).
>
> Version 3.1.2 of the maven-archetype-plugin is used.
>
> Can you please upgrade Maven just in case?
>

I just installed maven 3.6.3, verified that's what I have on the command
line, ran the same mvn archetype command line. No difference.  I'll include
more of the output here.

-------------------------------
[INFO] Scanning for projects...
Downloading from public:
http://mavencentral.it.att.com:8081/nexus/content/groups/public/org/codehaus/mojo/maven-metadata.xml
Downloading from att-repository-releases:
http://mavencentral.it.att.com:8081/nexus/content/repositories/att-repository-releases/org/codehaus/mojo/maven-metadata.xml
Downloading from public:
http://mavencentral.it.att.com:8081/nexus/content/groups/public/org/apache/maven/plugins/maven-metadata.xml
Downloading from att-repository-releases:
http://mavencentral.it.att.com:8081/nexus/content/repositories/att-repository-releases/org/apache/maven/plugins/maven-metadata.xml
Downloading from att-repository-releases:
http://mavencentral.it.att.com:8081/nexus/content/repositories/att-repository-releases/org/apache/maven/plugins/maven-archetype-plugin/maven-metadata.xml
Downloading from public:
http://mavencentral.it.att.com:8081/nexus/content/groups/public/org/apache/maven/plugins/maven-archetype-plugin/maven-metadata.xml
[INFO]
[INFO] ------------------< org.apache.maven:standalone-pom
>-------------------
[INFO] Building Maven Stub Project (No POM) 1
[INFO] --------------------------------[ pom
]---------------------------------
[INFO]
[INFO] >>> maven-archetype-plugin:3.1.2:generate (default-cli) >
generate-sources @ standalone-pom >>>
[INFO]
[INFO] <<< maven-archetype-plugin:3.1.2:generate (default-cli) <
generate-sources @ standalone-pom <<<
[INFO]
[INFO]
[INFO] --- maven-archetype-plugin:3.1.2:generate (default-cli) @
standalone-pom ---
[WARNING] Error initializing:
org.codehaus.plexus.velocity.DefaultVelocityComponent at 3569edd5
java.lang.NoClassDefFoundError: org/apache/commons/lang/StringUtils
    at org.apache.velocity.runtime.resource.ResourceManagerImpl.initialize
(ResourceManagerImpl.java:161)
    at
org.apache.velocity.runtime.RuntimeInstance.initializeResourceManager
(RuntimeInstance.java:730)
    at org.apache.velocity.runtime.RuntimeInstance.init
(RuntimeInstance.java:263)
    at org.apache.velocity.app.VelocityEngine.init (VelocityEngine.java:93)
    at org.codehaus.plexus.velocity.DefaultVelocityComponent.initialize
(DefaultVelocityComponent.java:95)
----------------------------

>
> On Sat, 23 May 2020 at 02:46, David Karr <davidmichaelkarr at gmail.com>
> wrote:
>
>> Maven 3.5.2, Java 8.
>>
>> This is my command line (copied directly from the docs, just changing the
>> artifactId):
>>
>>     mvn archetype:generate -DinteractiveMode=false
>> -DarchetypeGroupId=org.openjdk.jmh
>> -DarchetypeArtifactId=jmh-java-benchmark-archetype
>> -DgroupId=com.att.example -DartifactId=jmhBenchmarks -Dversion=1.0
>>
>> On Fri, May 22, 2020 at 6:23 PM Henri Tremblay <henri.tremblay at gmail.com>
>> wrote:
>>
>>> It should work.
>>>
>>> We need some details.
>>>
>>> Maven version? 3.6.3?
>>> Archetype? jmh-java-benchmark-archetype:1.23
>>> Java 8?
>>>
>>>
>>> On Fri, 22 May 2020 at 18:58, David Karr <davidmichaelkarr at gmail.com>
>>> wrote:
>>>
>>>> I've used JMH in the past, and I've always started by creating an
>>>> archetype.  Today I tried it, only changing the artifact id from the
>>>> command line in the docs.  It ran for quite a while, downloading
>>>> artifacts,
>>>> and then I saw this:
>>>>
>>>> [WARNING] Error initializing:
>>>> org.codehaus.plexus.velocity.DefaultVelocityComponent at 57d0fc89
>>>> java.lang.NoClassDefFoundError: org/apache/commons/lang/StringUtils
>>>>     at
>>>> org.apache.velocity.runtime.resource.ResourceManagerImpl.initialize
>>>> (ResourceManagerImpl.java:161)
>>>>
>>>> followed by just about the longest stack trace I've ever seen.  This was
>>>> followed by many copies of the same trace.
>>>>
>>>> I also checked my local .m2 repository, and I don't have this jar
>>>> installed
>>>> (I have lang3). I searched in the maven output for a reference to that
>>>> library. It showed attempts to download other commons libraries, but not
>>>> commons-lang.
>>>>
>>>