No class found exception in OSGi for org.osgi.service.jdbc.DataSourceFactory

java.lang.IllegalArgumentException: Unable to load DataSourceFactory. Will ignore DataSourceFactory registration. If you need one, ensure org.osgi.enterprise is on the classpath
at org.postgresql.osgi.PGBundleActivator.start(PGBundleActivator.java:38)
at org.apache.felix.framework.util.SecureAction.startActivator(SecureAction.java:645)
at org.apache.felix.framework.Felix.activateBundle(Felix.java:2154)
at org.apache.felix.framework.Felix.startBundle(Felix.java:2072)
at org.apache.felix.framework.Felix.setActiveStartLevel(Felix.java:1299)
at org.apache.felix.framework.FrameworkStartLevelImpl.run(FrameworkStartLevelImpl.java:304)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.NoClassDefFoundError: org/osgi/service/jdbc/DataSourceFactory
at org.postgresql.osgi.PGBundleActivator.start(PGBundleActivator.java:33)
... 6 more
Caused by: java.lang.ClassNotFoundException: org.osgi.service.jdbc.DataSourceFactory not found by org.postgresql.jdbc42 [65]
at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1556)
at org.apache.felix.framework.BundleWiringImpl.access$400(BundleWiringImpl.java:77)
at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:1993)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
... 7 more

This was an exception in output.log after upgradung from 1.12.