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Saturday, February 14, 2015

com.google.gson,version=[2.2,3) -- Cannot be resolved in bundle - Adobe Experience Manager(AEM)

com.google.gson,version=[2.2,3) -- Cannot be resolved in bundle - Adobe Experience Manager(AEM)

I was able compile and  deploy the bundle successfully with gson dependency but the bundle is not getting started with the error "com.google.gson,version=[2.2,3) -- Cannot be resolved in bundle" in Adobe Experience Manager(AEM)

The root cause of the problem is the gson jar is not available in the server for bundle access.

This issue can be resolved  by following any of the below approach.

1. Export the gson  package - com.google.gson.*

<dependency>
<groupId>com.google.code.gson</groupId>
<artifactId>gson</artifactId>
<version>2.2.4</version>
<scope>compile</scope>
</dependency>

<plugin>
<groupId>org.apache.felix</groupId>
<artifactId>maven-bundle-plugin</artifactId>
<extensions>true</extensions>
<configuration>
<instructions>
<Bundle-Activator>com.sample.activator.Activator</Bundle-Activator>
<Import-Package>*,com.sample.*</Import-Package>
<Export-Package>com.sample.*,com.google.gson.*</Export-Package>
<Bundle-SymbolicName>com.sample</Bundle-SymbolicName>
<Bundle-Vendor>Sample</Bundle-Vendor>
<Bundle-Category>Sample</Bundle-Category>
<Embed-Directory>dependencies</Embed-Directory>
<Embed-Transitive>true</Embed-Transitive>
</instructions>
</configuration>
</plugin>

2. Add the gson jar in the bundle class path

Specify the gson dependency scpes as compile or runtime(compile is the default scope)

<dependency>
<groupId>com.google.code.gson</groupId>
<artifactId>gson</artifactId>
<version>2.2.4</version>
<scope>compile</scope>
</dependency

The gson jar will be included in the bundle classpath.

The dependencies with what are all the scopes are included in the bundle classpath is configured in maven-bundle-plugin

<plugin>
<groupId>org.apache.felix</groupId>
<artifactId>maven-bundle-plugin</artifactId>
<version>2.3.7</version>
<configuration>
<instructions>
<Embed-Dependency>*;scope=compile|runtime</Embed-Dependency>
<Embed-Directory>OSGI-INF/lib</Embed-Directory>
<Embed-Transitive>true</Embed-Transitive>
</instructions>
</configuration>
</plugin>




3. Install the gson jar as bundle from felix console

The above two approaches the gson jar will be only available for the bundle but in this approach the jar will be available for all the bundles.

Go to http://localhost:4502/system/console/bundles
Click on Install/Update
Select Start Bundle and choose the gson jar.
Click on Install or Update.






4 comments:

  1. Thanks Albin for the solution.It was really helpful.

    ReplyDelete
  2. Thanks, it's really helpful. I keep experiencing this issue for a few packages. This solution definitely helps to get all my issues resolved.

    How could I find the correct version of dependency instead of including them in my bundle?

    ReplyDelete
  3. Thanks!

    FYI: Closing ">" is missing here: </dependency

    ReplyDelete