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MshajiCommunity Advisor
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September 9, 2024
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Including third part jar files in aemaacs

  • September 9, 2024
  • 2 replies
  • 772 views

I have included third party jar file in my project, I got the following error 

[xxxxx ] in start level 20 but no bundle is exporting these for that start level

I found following article to fix this 

https://aemconcepts.com/aem-osgi/use-3rd-party-api-or-jar-or-dependency-in-aem/

adding 

-include-resource:cq-dam-processor-nui-1.1.840.jar -classpath:cq-dam-processor-nui-1.1.840.jar 
in core pom bnd-process section fixed above error. Bundle is active however all the services are in satisfied state
 
Clicking on component shows me this
Reference osgi.ds.satisfying.conditionSatisfied
Service Name: org.osgi.service.condition.Condition
Target Filter: (osgi.condition.id=true)
Cardinality: 1..1
Policy: dynamic
Policy Option: reluctant
 
There are multiple errors in error.log,  it seems bundle is not able to find the service classes  
 09.09.2024 01:12:37.892 *WARN* [FelixLogListener] org.apache.sling.engine.impl.filter.ServletFilterManager bundle org.apache.sling.engine:2.15.16 (567)[org.apache.sling.engine.impl.filter.ServletFilterManager(3528)] : Could not get service from ref [javax.servlet.Filter]
09.09.2024 01:12:37.967 *ERROR* [FelixLogListener] Events.Framework.org.apache.sling.engine FrameworkEvent ERROR (org.apache.felix.log.LogException: org.osgi.framework.ServiceException: Service factory exception: javax/servlet/Filter)
org.apache.felix.log.LogException: org.osgi.framework.ServiceException: Service factory exception: javax/servlet/Filter
org.apache.felix.log.LogException: java.lang.NoClassDefFoundError: org/apache/sling/api/resource/ResourceResolver
Attaching logs as well
If anyone come across this issue pls provide suggestions on how to resolve?
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Best answer by sarav_prakash

Hi @mshaji ,

The secret sauce is, 

 

Add 

-conditionalpackage: org.apache.sling.servlethelpers.*,com.demo.package.*

inside the bnd-process plugin goal. So your bnd-process of parent pom.xml should look like this:

 

<plugin> <groupId>biz.aQute.bnd</groupId> <artifactId>bnd-maven-plugin</artifactId> <version>${bnd.version}</version> <executions> <execution> <id>bnd-process</id> <goals> <goal>bnd-process</goal> </goals> <configuration> <bnd> <![CDATA[ Bundle-Category: ${componentGroupName} -exportcontents: ${removeall;${packages;VERSIONED};${packages;CONDITIONAL}} -noextraheaders: true -snapshot: SNAPSHOT -conditionalpackage: org.apache.sling.resource.filter.* Bundle-DocURL: -plugin org.apache.sling.caconfig.bndplugin.ConfigurationClassScannerPlugin -plugin org.apache.sling.bnd.models.ModelsScannerPlugin ]]> </bnd> </configuration> </execution> </executions> </plugin>

An excellant article explaining difference between conditionalpackage and includeresource is here - https://myaemlearnings.blogspot.com/2021/12/embed-third-party-dependency-using-bnd.html

 

Just adding the -conditionalpackage to your plugin should solve your issue. 

2 replies

sarav_prakash
Community Advisor
sarav_prakashCommunity AdvisorAccepted solution
Community Advisor
September 10, 2024

Hi @mshaji ,

The secret sauce is, 

 

Add 

-conditionalpackage: org.apache.sling.servlethelpers.*,com.demo.package.*

inside the bnd-process plugin goal. So your bnd-process of parent pom.xml should look like this:

 

<plugin> <groupId>biz.aQute.bnd</groupId> <artifactId>bnd-maven-plugin</artifactId> <version>${bnd.version}</version> <executions> <execution> <id>bnd-process</id> <goals> <goal>bnd-process</goal> </goals> <configuration> <bnd> <![CDATA[ Bundle-Category: ${componentGroupName} -exportcontents: ${removeall;${packages;VERSIONED};${packages;CONDITIONAL}} -noextraheaders: true -snapshot: SNAPSHOT -conditionalpackage: org.apache.sling.resource.filter.* Bundle-DocURL: -plugin org.apache.sling.caconfig.bndplugin.ConfigurationClassScannerPlugin -plugin org.apache.sling.bnd.models.ModelsScannerPlugin ]]> </bnd> </configuration> </execution> </executions> </plugin>

An excellant article explaining difference between conditionalpackage and includeresource is here - https://myaemlearnings.blogspot.com/2021/12/embed-third-party-dependency-using-bnd.html

 

Just adding the -conditionalpackage to your plugin should solve your issue. 

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