Get NoClassDefFoundError for commons-lang StringUtils creating archetype

[David Karr]

In any case, I guess I'm going to ignore this problem for now.  I had an
existing jmh benchmark project that I had created before, so I'm just
modifying that for the new benchmarks I want to run. I guess I'm going to
assume the archetype isn't going to work for the near future.

On Sat, May 23, 2020 at 9:18 AM David Karr <davidmichaelkarr at gmail.com>
wrote:

> Just to remove a possible cause, I wondered whether the fact that I don't
> have a commons-lang jar in my local repo could be the cause. I went through
> the trouble of creating a sample project that references that artifact and
> built it, to get it into my local repo. This was another small challenge,
> as our intranet repo doesn't even have that artifact anymore, considering
> commons-lang3 has been out for quite a while.  I had to manually download
> that artifact from the public mavencentral and manually dump it into my
> local repo.  I verified I put it in the right place, because my sample
> project referencing that artifact now doesn't have a build error trying to
> find that artifact.
>
> Unfortunately, this was a red herring, as my maven archetype command line
> still fails the same way.
>
> On Sat, May 23, 2020 at 9:09 AM David Karr <davidmichaelkarr at gmail.com>
> wrote:
>
>>
>>
>> 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.
>>>>>>
>>>>>