Jacoco coverage is showing zero line coverage for a specific java package

[Anirban Bhattacharya]

Jacoco coverage is showing zero line coverage for a specific java package.

I am using apache beam java SDK along with JDK.

attaching the pom.xml and also jacoco.xml report for your reference.

I am using sonarqube for code coverage. Since jacoco coverage is not properly working so sonarqube is showing 0 line coverage for this specific package.

Let me know any inputs or suggestion. I have tried multiple ways but nothing worked.

[Marc Hoffmann]

Hi,

please check with the Sonarqube project project for this. This integration is not maintained by us, see:

https://www.jacoco.org/jacoco/trunk/doc/integrations.html

Regards,

-marc

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<jacoco.xml><pom.xml>

[Marc Hoffmann]

I have to correct myself: As coverage is already zero in jacoco.xml there is a problem with the test setup.

Do you also generate the JaCoCo HTML report? It has a link “sessions” on the top right corner. Are the classes you’re looking for listed in that page?

Regards,

-marc

[Anirban Bhattacharya]

Hi Marc,

Yes I saw the html report. I see the file IngestionPipeline.java is not listed whereas IngestionPipelineTest.java is listed. All other packages are having *.java and *Test.java both in the html report whereas for this specific package *.java is not covered whereas *Test.java is covered. Its strange. This IngestionPipeline.java is a class implemented using apache beam java SDK API/library.

Does jacoco support other API/library except normal JDK ?

Thanks,

Anirban

[Anirban Bhattacharya]

Hi Marc,

Is it possible to go for a short meeting where I can screen share and can show you the issue. May be I am missing something in pom.xml.

Not sure. Did you check my pom.xml? 

Thanks,

Anirban

On Wednesday, February 10, 2021 at 2:27:25 PM UTC+1 Marc R. Hoffmann wrote:

[Marc Hoffmann]

Hi Anirban,

please understand that we provide free support only through open channels.

If the classes under test are not listed on the sessions page this can have a couple of reasons:

1) You defined a filter to exclude them

2) The classes have not been executed

3) The classes have been executed in a different Java VM then the one where you attached the agent

In your case it might be 3). If I have a look at the documentation it looks like Apache Bean uses separate worker processes:

https://beam.apache.org/documentation/runtime/model/

In this case you will need to also configure JaCoCo agent for the worker processes.

Regards,

-matc

Do you know how the Apache Beam framework works? Does it start other VMs for the actual processing?

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