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https://issues.apache.org/jira/browse/COMPRESS-456?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16517203#comment-16517203
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Oliver Heger commented on COMPRESS-456:
---------------------------------------
Making all imports optional is not very OSGi-like, as some of them are for sure
required.
It is possible to define a number of package imports as optional and use the
'*' als fallback to automatically import all other referenced packages.
[Configuration] does this, which also has a number of optional dependencies. In
the _<properties>_ section of the pom, there is the following declaration:
{code:xml}
<!-- Explicitly declare optional dependencies for the OSGi manifest. -->
<commons.osgi.import>
org.apache.commons.beanutils.*;resolution:=optional,
org.apache.commons.codec.*;resolution:=optional,
org.apache.commons.jxpath.*;resolution:=optional,
org.apache.xml.resolver.*;resolution:=optional,
javax.servlet.*;resolution:=optional,
org.apache.commons.jexl2.*;resolution:=optional,
org.apache.commons.vfs2.*;resolution:=optional,
org.springframework.*;resolution:=optional,
com.fasterxml.jackson.*;resolution:=optional,
org.yaml.snakeyaml.*;resolution:=optional,
*
</commons.osgi.import>
{code}
> Missing OSGI Import-Package
> ---------------------------
>
> Key: COMPRESS-456
> URL: https://issues.apache.org/jira/browse/COMPRESS-456
> Project: Commons Compress
> Issue Type: Bug
> Components: Build
> Affects Versions: 1.17
> Reporter: Jérémie Brébec
> Priority: Major
> Fix For: 1.18
>
>
> The configuration of the maven-bundle-plugin overrides the <Import-Package>
> directive : "*" is not present anymore, and severals packages do not resolve
> correctly.
> For example, "javax.crypto", which is used by 7z encryption, is not resolved
> and using this feature fails with a ClassNotFoundException on
> javax.crypto.SecretKey.
> ahma I think that the correct Import-Package directive should be :
> {code:java}
> <Import-Package>*;resolution:=optional</Import-Package>{code}
> this directive will import everything commons-compress depends on, but with
> an optional resolution (and so every dependencies will be optionals)
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