Github user mmiklavc commented on the issue:
https://github.com/apache/metron/pull/530
@ottobackwards removing the extra project element allows me to build the
project now. However, I'm still unable to use the archetype. It neither shows
up in the local catalog listing nor allows me to enter the info directly. It
fails in both cases, even though the archetype is now appearing in
`~/.m2/repository/archetype-catalog.xml`. Per the Maven docs for the archetype
plugin, the entries should be in `~/.m2/archetype-catalog.xml`. -
https://maven.apache.org/archetype/maven-archetype-plugin/specification/archetype-catalog.html.
The only thing I could do to get this working was to explicitly update the
local catalog with the archetype plugin, which doesn't make any sense to me
seeing as this is by default tied to the install goal in the first place.
There are 2 archetype-catalog.xml files locally with Maven and I'm unclear
as to why. The only difference appears to be that 1) only
~/.m2/archetype-catalog.xml entries show up when you run `mvn
archetype:generate -DarchetypeCatalog=local` and 2) non-SNAPSHOT entries end up
in `~/.m2/archetype-catalog.xml` whereas SNAPSHOT entries end up in
`~/.m2/repository/archetype-catalog.xml`.
```
cat ~/.m2/repository/archetype-catalog.xml
<?xml version="1.0" encoding="UTF-8"?>
<archetype-catalog
xsi:schemaLocation="http://maven.apache.org/plugins/maven-archetype-plugin/archetype-catalog/1.0.0
http://maven.apache.org/xsd/archetype-catalog-1.0.0.xsd";
xmlns="http://maven.apache.org/plugins/maven-archetype-plugin/archetype-catalog/1.0.0";
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";>
<archetypes>
<archetype>
<groupId>org.apache.metron</groupId>
<artifactId>metron-maven-parser-extension-archetype</artifactId>
<version>0.4.0</version>
<description>Apache Maven Parser Extension Archetype for
Metron</description>
</archetype>
</archetypes>
</archetype-catalog>
```
When I run `mvn archetype:update-local-catalog` the entry appears in
~/.m2/archetype-catalog.xml. If I delete the entry and re-run that command, the
entry reappears. Now when I run the archetype:generate command, the Metron
archetype appears as expected. Is anyone else seeing this behavior? This does
not happen for me when I install and attempt to use other archetypes, e.g.
https://github.com/mmiklavc/hadoop-bootstrap-archetype
Here's the output, as desired, after the archetype is added to the correct
archetype-catalog.xml
```
[INFO] No archetype defined. Using maven-archetype-quickstart
(org.apache.maven.archetypes:maven-archetype-quickstart:1.0)
Choose archetype:
...
4: local -> com.michaelmiklavcic:hadoop-bootstrap-archetype (Archetype -
hadoop-bootstrap-archetype)
5: local -> org.apache.metron:metron-maven-archetypes (Apache Maven
Archetypes for Metron)
```
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