[
https://issues.apache.org/jira/browse/LOG4J2-345?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13748345#comment-13748345
]
Roland Weiglhofer commented on LOG4J2-345:
------------------------------------------
Index: pom.xml
===================================================================
--- pom.xml (revision 1516096)
+++ pom.xml (working copy)
@@ -142,6 +142,8 @@
<!-- Configuration properties for the OSGi maven-bundle-plugin -->
<osgi.symbolicName>org.apache.logging.${project.artifactId}</osgi.symbolicName>
<osgi.export>org.apache.logging.log4j.*;version=${project.version};-noimport:=true</osgi.export>
+
<osgi.export.slf4jbinding>org.slf4j.impl;version=1.7.5,org.slf4j.helpers;version=1.7.5,org.apache.logging.slf4j;version=${project.version}</osgi.export.slf4jbinding>
+
<osgi.export.log4j1.2>org.apache.log4j;version=1.2,org.apache.log4j.helpers;version=1.2,org.apache.log4j.config;version=1.2,org.apache.log4j.spi;version=1.2,org.apache.log4j.xml;version=1.2</osgi.export.log4j1.2>
<osgi.import>*</osgi.import>
<osgi.dynamicImport />
<osgi.private />
Index: log4j12-api/pom.xml
===================================================================
--- log4j12-api/pom.xml (revision 1516096)
+++ log4j12-api/pom.xml (working copy)
@@ -24,7 +24,7 @@
<relativePath>../</relativePath>
</parent>
<artifactId>log4j-1.2-api</artifactId>
- <packaging>jar</packaging>
+ <packaging>bundle</packaging>
<name>Apache Log4j 1.x Compatibility API</name>
<description>The Log4j 1.x Compatibility API</description>
<properties>
@@ -55,6 +55,22 @@
</dependencies>
<build>
<plugins>
+ <plugin>
+ <groupId>org.apache.felix</groupId>
+ <artifactId>maven-bundle-plugin</artifactId>
+ <extensions>true</extensions>
+ <inherited>true</inherited>
+ <configuration>
+ <instructions>
+ <Bundle-SymbolicName>${osgi.symbolicName}</Bundle-SymbolicName>
+ <Export-Package>${osgi.export.log4j1.2}</Export-Package>
+ <Private-Package>${osgi.private}</Private-Package>
+ <Import-Package>${osgi.import}</Import-Package>
+
<DynamicImport-Package>${osgi.dynamicImport}</DynamicImport-Package>
+ <Bundle-DocURL>${project.url}</Bundle-DocURL>
+ </instructions>
+ </configuration>
+ </plugin>
<!-- Include the standard NOTICE and LICENSE -->
<plugin>
<groupId>org.apache.maven.plugins</groupId>
> logging.log4j-1.2-api doesn't export the log4j API 1.2. Dependent bundles can
> not be resolved.
> ----------------------------------------------------------------------------------------------
>
> Key: LOG4J2-345
> URL: https://issues.apache.org/jira/browse/LOG4J2-345
> Project: Log4j 2
> Issue Type: Bug
> Components: log4j 1.2 emulation
> Affects Versions: 2.0-beta4, 2.0-beta8, 2.0-beta9
> Environment: OSGi / Apache Felix 4.x
> Reporter: Roland Weiglhofer
> Labels: Bundle, Export-Package, Log4j-1.2, Maven-Bundle-Plugin,
> OSGi, POM
> Fix For: 2.0-beta9, 2.0
>
> Attachments: log4j2 1.2api.patch
>
>
> Hi all Log4j/OSGi experts!
> Yesterday I started to migrate from log4j to log4j2. I replaced all Log4j 1.x
> bundles with log4j-1.2-api as described here:
> http://logging.apache.org/log4j/2.x/log4j-1.2-api/index.html
> But I got following error:
> Unresolved constraint in bundle MyBundle [21]: Unable to resolve 21.0:
> missing requirement [21.0] osgi.wiring.package;
> (&(osgi.wiring.package=org.apache.log4j)(version>=1.2.0)(!(version>=2.0.0)))
> so...I checked the capabilities of the log4j-1.2-api bundle:
> g! inspect cap * 11
> org.apache.logging.log4j-1.2-api [11] provides:
> -----------------------------------------------
> osgi.wiring.bundle; org.apache.logging.log4j-1.2-api 2.0.0.beta8 [UNUSED]
> osgi.wiring.host; org.apache.logging.log4j-1.2-api 2.0.0.beta8 [UNUSED]
> As you can see logging.log4j-1.2-api doesn't export the log4j API 1.2. It
> still requires log4j 1.2. All dependent bundles can not be resolved until I
> add the old log4j.jar.
> The maven-bundle-plugin does not export the packages.
> Roland
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