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https://issues.apache.org/jira/browse/LOG4J2-2604?focusedWorklogId=388121&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-388121
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ASF GitHub Bot logged work on LOG4J2-2604:
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Author: ASF GitHub Bot
Created on: 16/Feb/20 19:00
Start Date: 16/Feb/20 19:00
Worklog Time Spent: 10m
Work Description: rgoers commented on pull request #291:
[LOG4J2-2604/2649] Change MethodHandle to Constructor to adapt graalvm
URL: https://github.com/apache/logging-log4j2/pull/291
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Issue Time Tracking
-------------------
Worklog Id: (was: 388121)
Time Spent: 1h 20m (was: 1h 10m)
> Generate reflect-config.json for GraalVM during annotation processing
> ---------------------------------------------------------------------
>
> Key: LOG4J2-2604
> URL: https://issues.apache.org/jira/browse/LOG4J2-2604
> Project: Log4j 2
> Issue Type: New Feature
> Components: Configurators
> Reporter: Remko Popma
> Priority: Major
> Time Spent: 1h 20m
> Remaining Estimate: 0h
>
> See [https://github.com/oracle/graal/issues/1209] and
> [https://github.com/oracle/graal/issues/808]
> Currently log4j2 cannot be used in GraalVM native images because it uses
> reflection.
> Graal SubstrateVM can [deal with
> reflection|https://github.com/oracle/graal/blob/master/substratevm/REFLECTION.md]
> when it’s clear to the AOT compiler what classes, methods and fields are
> reflected on. The log4j plugin mechanism is too dynamic for the automatic
> reflection analysis.
> This can be solved by providing a {{reflect-config.json}} configuration file,
> which may be embedded in the jar under {{META-INF/native-image/some/path/}}.
> The annotation processor is the natural place to generate this configuration
> file, so that applications that provide custom Log4j components will have the
> necessary
> {{META-INF/native-image/org/apache/logging/log4j/core/config/plugins/reflect-config.json}}
> to accompany their
> {{META-INF/org/apache/logging/log4j/core/config/plugins/Log4j2Plugins.dat}}
> file in their jar.
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