Justin Leet created METRON-726:
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Summary: Clean up mvn site generation
Key: METRON-726
URL: https://issues.apache.org/jira/browse/METRON-726
Project: Metron
Issue Type: Bug
Reporter: Justin Leet
Assignee: Justin Leet
Priority: Minor
Right now there's a couple issues with running mvn:site. The most obvious is
that EMMA appears to not work at all, but in attempting to fix that, several
other issues came to light.
Error seen:
{code}
[ERROR] Failed to execute goal
org.apache.maven.plugins:maven-site-plugin:3.3:site (default-site) on project
metron-maas-common: failed to get report for
org.codehaus.mojo:emma-maven-plugin: Failed to execute goal
org.codehaus.mojo:emma-maven-plugin:1.0-alpha-3:instrument (report:emma) on
project metron-maas-common: Execution report:emma of goal
org.codehaus.mojo:emma-maven-plugin:1.0-alpha-3:instrument failed:
CONSTANT_info: invalid tag value [18] -> [Help 1]
{code}
After commenting out everything EMMA, there are still some issues seen:
{code}
[WARNING] Unable to process class
org/apache/metron/test/converters/BinaryConverters.class in JarAnalyzer File
/Users/jleet/.m2/repository/org/apache/metron/metron-test-utilities/0.3.1/metron-test-utilities-0.3.1.jar
org.apache.bcel.classfile.ClassFormatException: Invalid byte tag in constant
pool: 18
{code}
This seems to be a Java 8 issue, which means that EMMA likely is impossible to
make work. I'm unsure that's the root cause, but given the age of EMMA plus
(the outdated version of) BCEL thowing a very similar issue implies that the
Java version is related. This also implies that our {{mvn site}} hasn't worked
in a long time.
Cleaning this up should include at least
* Getting code coverage working again
* Consolidating reporting in our poms. A lot of it is repeated everywhere we
have Java.
* Ensure we can actually generate and look through the site.
* METRON-725 fixes Javadoc, so reporting will still have issues until that is
taken care of.
* Apparently checkstyle got dropped at some point. It's easy enough to add in,
and can be taken care of here.
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