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https://issues.apache.org/jira/browse/IGNITE-11461?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dmitriy Pavlov updated IGNITE-11461:
------------------------------------
    Description: 
Example of failure in a modular environment:
Error:java: the unnamed module reads package 
org.apache.ignite.internal.processors.cache.persistence.file from both 
ignite.core and ignite.direct.io

This type of failure is named package inference, but it is strictly prohibited 
http://openjdk.java.net/projects/jigsaw/spec/reqs/#non-interference 

Ignite compatibility with Jigsaw is tested in a separate project. See details in
https://github.com/apache/ignite/tree/ignite-11461-java11/modules/dev-utils/ignite-modules-test#ignite-modular-environment-test-project
 

Following table contains currenly investigated Ignite modules if this 
applicability as automatic modules:

||Module||Run In Modular Environment||Changeable using private API only || 
Notes ||
|ignite-code|(/)|(/)| |
|ignite-indexing|(x) [IGNITE-11464] | (?) Refacrtoing to use 
ignite-indexing-text may be a breaking change | Lucene artifacts exclusion is 
required by user manually. |
|ignite-compress | (x) | (/) not releaseed | 
org.apache.ignite.internal.processors.compress package conflict |
|ignite-direct-io|(x) blocked by indexind | (/) | 
org.apache.ignite.internal.processors.cache.persistence.file package conflict |
|ignite-spring|(x) [IGNITE-11467] blocked by indexing | (x) 
org.apache.ignite.IgniteSpringBean affected | |
|ignite-ml |(x) blocked by indexing | | |
|ignite-log4j|(/)|(/) | But may not compile with other logging dependencies - 
EOL https://blogs.apache.org/logging/entry/moving_on_to_log4j_2 |
|ignite-log4j2|(/)|(/)| |
|ignite-slf4j | (/)|(/)| |
|ignite-rest-http | (x) IGNITE-11469 | (/) | Usage with slf4j may break 
compilation because conflict of packages |
|ignite-hibernate_5.3 and others | (x) [IGNITE-11485] | (?) | avoid of API 
breaking is possibleif hibernate core classes not used by third party code |
|ignite-zookeeper| (x) IGNITE-11486 | (/) | | 
|ignite-spring-data_2-0 | (x) blocked by spring | org.apache.commons.logging 
from both commons.logging and spring.jcl conflict | 
https://jira.spring.io/browse/SPR-16605 | 
|ignite-ml | (/) master (x) 2.7 | | | 


  was:
Example of failure in a modular environment:
Error:java: the unnamed module reads package 
org.apache.ignite.internal.processors.cache.persistence.file from both 
ignite.core and ignite.direct.io

This type of failure is named package inference, but it is strictly prohibited 
http://openjdk.java.net/projects/jigsaw/spec/reqs/#non-interference 

Ignite compatibility with Jigsaw is tested in a separate project. See details in
https://github.com/apache/ignite/tree/ignite-11461-java11/modules/dev-utils/ignite-modules-test#ignite-modular-environment-test-project
 

Following table contains currenly investigated Ignite modules if this 
applicability as automatic modules:

||Module||Run In Modular Environment||Changeable using private API only || 
Notes ||
|ignite-code|(/)|(/)| |
|ignite-indexing|(x) [IGNITE-11464] | (?) Refacrtoing to use 
ignite-indexing-text may be a breaking change | Lucene artifacts exclusion is 
required by user manually. |
|ignite-compress | (x) | (/) not releaseed | 
org.apache.ignite.internal.processors.compress package conflict |
|ignite-direct-io|(x) blocked by indexing, blocked by compress | (/) | 
org.apache.ignite.internal.processors.cache.persistence.file package conflict |
|ignite-spring|(x) [IGNITE-11467] blocked by indexing | (x) 
org.apache.ignite.IgniteSpringBean affected | |
|ignite-ml |(x) blocked by indexing | | |
|ignite-log4j|(/)|(/) | But may not compile with other logging dependencies - 
EOL https://blogs.apache.org/logging/entry/moving_on_to_log4j_2 |
|ignite-log4j2|(/)|(/)| |
|ignite-slf4j | (/)|(/)| |
|ignite-rest-http | (x) IGNITE-11469 | (/) | Usage with slf4j may break 
compilation because conflict of packages |
|ignite-hibernate_5.3 and others | (x) [IGNITE-11485] | (?) | avoid of API 
breaking is possibleif hibernate core classes not used by third party code |
|ignite-zookeeper| (x) IGNITE-11486 | (/) | | 
|ignite-spring-data_2-0 | (x) blocked by spring | org.apache.commons.logging 
from both commons.logging and spring.jcl conflict | 
https://jira.spring.io/browse/SPR-16605 | 
|ignite-ml | (/) master (x) 2.7 | | | 



> Automatic modules support for Apache Ignite: find and resolve packages 
> conflicts
> --------------------------------------------------------------------------------
>
>                 Key: IGNITE-11461
>                 URL: https://issues.apache.org/jira/browse/IGNITE-11461
>             Project: Ignite
>          Issue Type: Improvement
>            Reporter: Dmitriy Pavlov
>            Assignee: Dmitriy Pavlov
>            Priority: Critical
>             Fix For: 2.8
>
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> Example of failure in a modular environment:
> Error:java: the unnamed module reads package 
> org.apache.ignite.internal.processors.cache.persistence.file from both 
> ignite.core and ignite.direct.io
> This type of failure is named package inference, but it is strictly 
> prohibited 
> http://openjdk.java.net/projects/jigsaw/spec/reqs/#non-interference 
> Ignite compatibility with Jigsaw is tested in a separate project. See details 
> in
> https://github.com/apache/ignite/tree/ignite-11461-java11/modules/dev-utils/ignite-modules-test#ignite-modular-environment-test-project
>  
> Following table contains currenly investigated Ignite modules if this 
> applicability as automatic modules:
> ||Module||Run In Modular Environment||Changeable using private API only || 
> Notes ||
> |ignite-code|(/)|(/)| |
> |ignite-indexing|(x) [IGNITE-11464] | (?) Refacrtoing to use 
> ignite-indexing-text may be a breaking change | Lucene artifacts exclusion is 
> required by user manually. |
> |ignite-compress | (x) | (/) not releaseed | 
> org.apache.ignite.internal.processors.compress package conflict |
> |ignite-direct-io|(x) blocked by indexind | (/) | 
> org.apache.ignite.internal.processors.cache.persistence.file package conflict 
> |
> |ignite-spring|(x) [IGNITE-11467] blocked by indexing | (x) 
> org.apache.ignite.IgniteSpringBean affected | |
> |ignite-ml |(x) blocked by indexing | | |
> |ignite-log4j|(/)|(/) | But may not compile with other logging dependencies - 
> EOL https://blogs.apache.org/logging/entry/moving_on_to_log4j_2 |
> |ignite-log4j2|(/)|(/)| |
> |ignite-slf4j | (/)|(/)| |
> |ignite-rest-http | (x) IGNITE-11469 | (/) | Usage with slf4j may break 
> compilation because conflict of packages |
> |ignite-hibernate_5.3 and others | (x) [IGNITE-11485] | (?) | avoid of API 
> breaking is possibleif hibernate core classes not used by third party code |
> |ignite-zookeeper| (x) IGNITE-11486 | (/) | | 
> |ignite-spring-data_2-0 | (x) blocked by spring | org.apache.commons.logging 
> from both commons.logging and spring.jcl conflict | 
> https://jira.spring.io/browse/SPR-16605 | 
> |ignite-ml | (/) master (x) 2.7 | | | 



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