Documentation:
- https://docs.osgi.org/specification/osgi.cmpn/7.0.0/service.subsystem.html ( Subsystem Service Specification )
- https://liferay.dev/blogs/-/blogs/osgi-subsystems-and-why-you-want-them ( Good blog post and was also my starting point )
- http://aries.apache.org/modules/subsystems.html
- http://coderthoughts.blogspot.com/2013/04/osgi-subsystems.html
Example code repos:
Install Liferay 7.3.6 or DXP 7.3
Make sure that gogo shell is enabled, but adding
module.framework.properties.osgi.console=0.0.0.0:11311
to portal-ext.properties.
Deploy following artifacts to your DXP.
Download all the files to your Liferay deploy folder.
| Group ID | Artifact ID | Version | wget command to download |
|---|---|---|---|
| org.apache.aries.subsystem | org.apache.aries.subsystem.api | 2.0.10 | wget https://repo1.maven.org/maven2/org/apache/aries/subsystem/org.apache.aries.subsystem.api/2.0.10/org.apache.aries.subsystem.api-2.0.10.jar |
| org.apache.aries.subsystem | org.apache.aries.subsystem.core | 2.0.10 | wget https://repo1.maven.org/maven2/org/apache/aries/subsystem/org.apache.aries.subsystem.core/2.0.10/org.apache.aries.subsystem.core-2.0.10.jar |
| org.apache.aries | org.apache.aries.util | 1.1.3 | wget https://repo1.maven.org/maven2/org/apache/aries/org.apache.aries.util/1.1.3/org.apache.aries.util-1.1.3.jar |
| org.apache.felix | org.apache.felix.coordinator | 1.0.0 | wget https://repo1.maven.org/maven2/org/apache/felix/org.apache.felix.coordinator/1.0.0/org.apache.felix.coordinator-1.0.0.jar |
| org.eclipse.equinox | org.eclipse.equinox.region | 1.2.101.v20150831-1342 | wget https://repo1.maven.org/maven2/org/eclipse/equinox/org.eclipse.equinox.region/1.2.101.v20150831-1342/org.eclipse.equinox.region-1.2.101.v20150831-1342.jar |
| org.slf4j | slf4j-api | 1.7.30 | wget https://repo1.maven.org/maven2/org/slf4j/slf4j-api/1.7.30/slf4j-api-1.7.30.jar |
| org.apache.aries.subsystem | org.apache.aries.subsystem.gogo-command | 1.0.0 | wget https://repo1.maven.org/maven2/org/apache/aries/subsystem/org.apache.aries.subsystem.gogo-command/1.0.0/org.apache.aries.subsystem.gogo-command-1.0.0.jar |
| com.liferay | org.apache.felix.fileinstall | 3.6.4.LIFERAY-PATCHED-24 | wget https://repo1.maven.org/maven2/com/liferay/org.apache.felix.fileinstall/3.6.4.LIFERAY-PATCHED-24/org.apache.felix.fileinstall-3.6.4.LIFERAY-PATCHED-24.jar |
Build:
https://github.com/sammso/slf4j-liferay
and deploy it also
mvn clean package
Goto gogo shell:
Deploy esa:
Subsystem type : feature
g! subsystem:install file:<this path here>/osgiray-modules/osgiray-feature-esa/target/org.osgiray.subsystems.feature-1.0.0.esa
Subsystem type: composite
g! subsystem:install file:<this path here>/osgiray-modules/osgiray-composite-esa/target/org.osgiray.subsystems.composite-1.0.0.esa