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https://issues.apache.org/jira/browse/ZOOKEEPER-1334?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13504853#comment-13504853
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Patrick Hunt commented on ZOOKEEPER-1334:
-----------------------------------------
To be clear, we are keen on seeing this fixed, however we don't have sufficient
experience with osgi to drive this. If you want to see it fixed, something that
is known to work in your environment, providing a patch that we can review and
commit is the best way to get this addressed.
> Zookeeper 3.4.x is not OSGi compliant - MANIFEST.MF is flawed
> -------------------------------------------------------------
>
> Key: ZOOKEEPER-1334
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1334
> Project: ZooKeeper
> Issue Type: Bug
> Affects Versions: 3.4.0
> Reporter: Claus Ibsen
> Assignee: Jean-Baptiste Onofré
> Attachments: ZOOKEEPER-1334.patch
>
>
> In Zookeeper 3.3.x you use log4j for logging, and the maven dep is
> eg from 3.3.4
> {code}
> <dependency>
> <groupId>log4j</groupId>
> <artifactId>log4j</artifactId>
> <version>1.2.15</version>
> <scope>compile</scope>
> </dependency>
> {code}
> Now in 3.4.0 or better you changed to use slf4j also/instead. The maven
> pom.xml now includes:
> {code}
> <dependency>
> <groupId>org.slf4j</groupId>
> <artifactId>slf4j-api</artifactId>
> <version>1.6.1</version>
> <scope>compile</scope>
> </dependency>
> <dependency>
> <groupId>org.slf4j</groupId>
> <artifactId>slf4j-log4j12</artifactId>
> <version>1.6.1</version>
> <scope>compile</scope>
> </dependency>
> <dependency>
> <groupId>log4j</groupId>
> <artifactId>log4j</artifactId>
> <version>1.2.15</version>
> <scope>compile</scope>
> </dependency>
> {code}
> But the META-INF/MANIFEST.MF file in the distribution did not change to
> reflect this.
> The 3.3.4 MANIFEST.MF, import packages
> {code}
> Import-Package: javax.management,org.apache.log4j,org.osgi.framework;v
> ersion="[1.4,2.0)",org.osgi.util.tracker;version="[1.1,2.0)"
> {code}
> And the 3.4.1 MANIFEST.MF, import packages:
> {code}
> Import-Package: javax.management,org.apache.log4j,org.osgi.framework;v
> ersion="[1.4,2.0)",org.osgi.util.tracker;version="[1.1,2.0)"
> {code}
> This makes using zookeeper 3.4.x in OSGi environments not possible, as we get
> NoClassDefFoundException for slf4j classes.
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