JaCoCo and EclEmma Users

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Welcome to the EclEmma and JaCoCo user's group!

To resolve issues quickly please check our extensive documentation first:

These links contain answers to most questions that have been asked before.

If you're posting new issues to this list please help us to understand your problem or idea:

Clearly state what you want to do and what the expected outcome is.
Provide detailed information about your exact setup and product versions in use.
In case you encounter an error include the full error message, stack trace or log file.

What will not work on this mailing list:

We cannot provide support for other tools JaCoCo has been integrated with. Please check with the respective tool providers.
We will not do your homework or assignment.
All support is provided by volunteers in their spare time for free. Adding URGENT, ASAP etc. to your requests is no motivation for them.

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Oct 7

Kotlin @Serializable reported as not covered

It looks like jacoco sees that generated code. I wonder does everyone is writing tests for generated

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Kotlin @Serializable reported as not covered

It looks like jacoco sees that generated code. I wonder does everyone is writing tests for generated

Oct 7

Aryeh Friedman, Marc Hoffmann3

Oct 3

manual exclusions

On Thu, Oct 3, 2024 at 3:22 PM Marc Hoffmann <hoff...@mountainminds.com> wrote: > If you

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manual exclusions

On Thu, Oct 3, 2024 at 3:22 PM Marc Hoffmann <hoff...@mountainminds.com> wrote: > If you

Oct 3

Sameer Kumar, Marc Hoffmann7

Sep 4

Exclusions/Inclusions in jacoco.exec file.

Thanks you. On Wednesday, September 4, 2024 at 12:51:41 AM UTC+5:30 Marc R. Hoffmann wrote: There is.

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Exclusions/Inclusions in jacoco.exec file.

Thanks you. On Wednesday, September 4, 2024 at 12:51:41 AM UTC+5:30 Marc R. Hoffmann wrote: There is.

Sep 4

Sep 2

the coverage rate in jacoco report page doesnt match the green colored lines count in source file page.

another example is after test, the method `compressSize(long)` hits all instruction which is

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the coverage rate in jacoco report page doesnt match the green colored lines count in source file page.

another example is after test, the method `compressSize(long)` hits all instruction which is

Sep 2

Sameer Kumar, Marc Hoffmann2

Aug 30

Multi Module Jacoco Report check not working on aggregated report level

Dear Sameer, unfortunately we don't have a check goal for aggregate reports. A common work around

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Multi Module Jacoco Report check not working on aggregated report level

Dear Sameer, unfortunately we don't have a check goal for aggregate reports. A common work around

Aug 30

mai, Marc Hoffmann5

Aug 29

Inquiry About Tracking Execution Statement Order of Java Applications Using JaCoCo

Hi, “SEQUENCE” is only one strategy. As you can see in the table there are more cases like “JUMP”, “

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Inquiry About Tracking Execution Statement Order of Java Applications Using JaCoCo

Hi, “SEQUENCE” is only one strategy. As you can see in the table there are more cases like “JUMP”, “

Aug 29

Tarun Srivastava, Sudip Mitra2

Aug 26

JoCoCo not generating report with Tomcat 10

Hello Tarun, Most probably you did not shutdown tomcat server. Pls have a look at my stack overflow

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JoCoCo not generating report with Tomcat 10

Hello Tarun, Most probably you did not shutdown tomcat server. Pls have a look at my stack overflow

Aug 26

Aug 21

Inquiring about Sequential Execution Statement Tracing

Dear Developers, Hello, I understand that JaCoCo performs code coverage statistics and reporting by

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Inquiring about Sequential Execution Statement Tracing

Dear Developers, Hello, I understand that JaCoCo performs code coverage statistics and reporting by

Aug 21

m1k0, Marc Hoffmann3

Aug 10

Collecting Executed Statements for Specific Test Method with JaCoCo

Thank you very much for your response. Your reply has been very helpful to me. Additionally, I have

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Collecting Executed Statements for Specific Test Method with JaCoCo

Thank you very much for your response. Your reply has been very helpful to me. Additionally, I have

Aug 10

Ajith Vembankottu, Marc Hoffmann2

Aug 8

jacoco-maven-plugin is failing after updating com.fasterxml.jackson.core:jackson-databind

Please see our FAQ (https://www.jacoco.org/jacoco/trunk/doc/faq.html): Why do I get the error "

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jacoco-maven-plugin is failing after updating com.fasterxml.jackson.core:jackson-databind

Please see our FAQ (https://www.jacoco.org/jacoco/trunk/doc/faq.html): Why do I get the error "

Aug 8

Ashish Ranjan Sinha, Marc Hoffmann4

Aug 2

Same Report generated for 2 different Junit running on 2 different VMs

Ok. You can check the exec sources of your reports by following the „sessions“ link on the top right

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Same Report generated for 2 different Junit running on 2 different VMs

Ok. You can check the exec sources of your reports by following the „sessions“ link on the top right

Aug 2

Vibor Pokupec, Evgeny Mandrikov3

Jul 30

Code coverage reporting 1 of 2 branches missed

Hi, Thank you for reporting and especially for the reduced complete reproducer. It definitely shows

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Code coverage reporting 1 of 2 branches missed

Hi, Thank you for reporting and especially for the reduced complete reproducer. It definitely shows

Jul 30

ทิด ตี้

Jul 23

unread,

Jul 23

Diksha Gupta, Marc Hoffmann2

Jul 14

Coverage is 0 when i updated gradle version 7.4.1 to 8.7

Dear Diksha, please understand that the JaCoCo Grade integration is not implemented by us. Please

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Coverage is 0 when i updated gradle version 7.4.1 to 8.7

Dear Diksha, please understand that the JaCoCo Grade integration is not implemented by us. Please

Jul 14

Arnav Gupta, Marc Hoffmann3

Jun 25

Unanticipated results for Jacoco build.

Hey, We are using following JaCoCo plugin integrated with our kotlin application. Plugin details :

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Unanticipated results for Jacoco build.

Hey, We are using following JaCoCo plugin integrated with our kotlin application. Plugin details :

Jun 25

RK, Marc Hoffmann2

Jun 18

Regarding Aspect with jacoco

Hi, JaCoCo will show what parts of the original bytecode are executed. If the inspected bytecode has

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Regarding Aspect with jacoco

Hi, JaCoCo will show what parts of the original bytecode are executed. If the inspected bytecode has

Jun 18

Jens Kaiser, Marc Hoffmann2

Jun 14

No coverage for some default methods

Dear Jens, this is indeed a known limitation. Not because of the default method, but because of the

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No coverage for some default methods

Dear Jens, this is indeed a known limitation. Not because of the default method, but because of the

Jun 14

Jun 12

Code coverage with manual testing on android studio with Jacoco and Java Agent

Hi everyone, I'm trying to implement Jacoco into my android studio app and get manual testing

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Code coverage with manual testing on android studio with Jacoco and Java Agent

Hi everyone, I'm trying to implement Jacoco into my android studio app and get manual testing

Jun 12

Brian Reiss, Evgeny Mandrikov3

Jun 11

EclEmma not working in version 4.31.0

Thank you so much. For some reason my Eclipse marketplace did not give me the option to upgrade from

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EclEmma not working in version 4.31.0

Thank you so much. For some reason my Eclipse marketplace did not give me the option to upgrade from

Jun 11

MIDHUN S, Sindhu Chowdary2

Jun 11

JACOCO Code coverage in AOSP

Hi Midhun Did u able to find any solution for this? Best Regards, sindhu On Friday, March 10, 2023 at

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JACOCO Code coverage in AOSP

Hi Midhun Did u able to find any solution for this? Best Regards, sindhu On Friday, March 10, 2023 at

Jun 11

Sindhu Chowdary

Jun 11

Not able to integrate JaCoCo in AOSP soong system

Hi All, I am trying to integrate JaCoCo into Aosp Build system, tried this steps in https://android.

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Not able to integrate JaCoCo in AOSP soong system

Hi All, I am trying to integrate JaCoCo into Aosp Build system, tried this steps in https://android.

Jun 11

Ashish Ranjan Sinha, Marc Hoffmann9

Jun 7

Jacoco showing 0% for already instrumented classes in Multi Module Architecture.

Hi Marc- I thoroughly checked and found the class- Accumulator.java is not picked by the Jacoco when

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Jacoco showing 0% for already instrumented classes in Multi Module Architecture.

Hi Marc- I thoroughly checked and found the class- Accumulator.java is not picked by the Jacoco when

Jun 7

Monisha G, … Ashish Ranjan Sinha8

Jun 1

Jacoco shows 0% code coverage on RHEL 8.7 (Ootpa)

Hi Monisha G, What was then used for includes option ? Regards, Ashish On Thursday, April 20, 2023 at

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Jacoco shows 0% code coverage on RHEL 8.7 (Ootpa)

Hi Monisha G, What was then used for includes option ? Regards, Ashish On Thursday, April 20, 2023 at

Jun 1

Andreas Höhmann2

May 31

EclEmma for Eclipse not working with Eclipse 4.32.0

3.1.9 is working fine! :D Andreas Höhmann schrieb am Freitag, 31. Mai 2024 um 07:38:55 UTC+2: Hello,

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EclEmma for Eclipse not working with Eclipse 4.32.0

3.1.9 is working fine! :D Andreas Höhmann schrieb am Freitag, 31. Mai 2024 um 07:38:55 UTC+2: Hello,

May 31

Diego Flávia, Marc Hoffmann4

May 25

Runtime custom coverage filter

Hi Diego, JaCoCo records all executions. If multiple users use the API at the same time, there is no

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Runtime custom coverage filter

Hi Diego, JaCoCo records all executions. If multiple users use the API at the same time, there is no

May 25

May 17

Unable to generate Jacoco report using gradle task

Hi All, I want to generate jacoco html report from an existing coverage.ec file for an Android

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Unable to generate Jacoco report using gradle task

Hi All, I want to generate jacoco html report from an existing coverage.ec file for an Android

May 17

Nicolas Baumann

May 11

How can I get jacoco coverage on methods called by reflection?

Hello I'm using jacoco version 0.8.12. I'm using a vendor library which calls the code that I

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How can I get jacoco coverage on methods called by reflection?

Hello I'm using jacoco version 0.8.12. I'm using a vendor library which calls the code that I

May 11

Kush Mishra, Marc Hoffmann2

May 6

API run code coverage.

Hi Kush, sure JaCoCo can collect execution data for any Java application. To collect coverage data of

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API run code coverage.

Hi Kush, sure JaCoCo can collect execution data for any Java application. To collect coverage data of

May 6

Omar Al-Haj Qasem

Apr 29

Keep modules when using Jacoco CLI merge utility

Hi; I'm using Jacoco cli to merge multiple modules after generating all Unit Tests jacoco.exec

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Keep modules when using Jacoco CLI merge utility

Hi; I'm using Jacoco cli to merge multiple modules after generating all Unit Tests jacoco.exec

Apr 29

Apr 23

Can't get coverage data in OpenJDK 17

We have an app that creates several java processes. For each one we add the javaagent to the java

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Can't get coverage data in OpenJDK 17

We have an app that creates several java processes. For each one we add the javaagent to the java

Apr 23

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