assemblies/features/framework/src/main/feature/feature.xml

<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
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      Licensed to the Apache Software Foundation (ASF) under one or more
      contributor license agreements.  See the NOTICE file distributed with
      this work for additional information regarding copyright ownership.
      The ASF licenses this file to You under the Apache License, Version 2.0
      (the "License"); you may not use this file except in compliance with
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         http://www.apache.org/licenses/LICENSE-2.0

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      distributed under the License is distributed on an "AS IS" BASIS,
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      See the License for the specific language governing permissions and
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<features name="framework-${project.version}" xmlns="http://karaf.apache.org/xmlns/features/v1.3.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://karaf.apache.org/xmlns/features/v1.3.0 http://karaf.apache.org/xmlns/features/v1.3.0">

    <!-- This file is not used in the assembly., This file is used by the karaf-maven-plugin to generate a "final" feature.xml
              including the correct start-level for the generation of the startup.propertie file -->

    <feature version="${project.version}" description="Karaf core feature" name="framework" hidden="true">
        <!-- persistent wiring extension -->
        <bundle start-level="1">mvn:org.apache.karaf.features/org.apache.karaf.features.extension/${project.version}</bundle>
        <!-- mvn: url handlers -->
        <bundle start-level="5">mvn:org.ops4j.pax.url/pax-url-aether/${pax.url.version}</bundle>
        <!-- logging -->
        <bundle start-level="8">mvn:org.ops4j.pax.logging/pax-logging-api/${pax.logging.version}</bundle>
        <bundle start-level="8">mvn:org.ops4j.pax.logging/pax-logging-log4j2/${pax.logging.version}</bundle>
        <bundle start-level="8">mvn:org.fusesource.jansi/jansi/${jansi.version}</bundle>
        <!-- config admin -->
        <bundle start-level="9">mvn:org.osgi/org.osgi.util.function/1.1.0</bundle>
        <bundle start-level="9">mvn:org.osgi/org.osgi.util.promise/1.1.1</bundle>
        <bundle start-level="9">mvn:org.apache.felix/org.apache.felix.coordinator/${felix.coordinator.version}</bundle>
        <bundle start-level="9">mvn:org.apache.felix/org.apache.felix.converter/${felix.converter.version}</bundle>
        <bundle start-level="10">mvn:org.apache.felix/org.apache.felix.configadmin/${felix.configadmin.version}</bundle>
        <bundle start-level="11">mvn:org.apache.felix/org.apache.felix.configadmin.plugin.interpolation/${felix.configadmin.interpolation.plugin.version}</bundle>
        <bundle start-level="11">mvn:org.apache.felix/org.apache.felix.cm.json/${felix.cm.json.version}</bundle>
        <bundle start-level="11">mvn:org.apache.sling/org.apache.sling.commons.johnzon/${sling.commons.johnzon.version}</bundle>
        <bundle start-level="11">mvn:org.apache.felix/org.apache.felix.configurator/${felix.configurator.version}</bundle>
        <!-- file install -->
        <bundle start-level="12">mvn:org.apache.felix/org.apache.felix.fileinstall/${felix.fileinstall.version}</bundle>
        <!-- features service -->
        <bundle start-level="15">mvn:org.apache.karaf.features/org.apache.karaf.features.core/${project.version}</bundle>
        <bundle dependency="true" start-level="30">mvn:org.apache.servicemix.specs/org.apache.servicemix.specs.jaxb-api-2.2/${servicemix-spec.version}</bundle>
    </feature>

    <feature version="${project.version}" description="Karaf core feature" name="framework-logback" hidden="true">
        <!-- persistent wiring extension -->
        <bundle start-level="1">mvn:org.apache.karaf.features/org.apache.karaf.features.extension/${project.version}</bundle>
        <!-- mvn: url handlers -->
        <bundle start-level="5">mvn:org.ops4j.pax.url/pax-url-aether/${pax.url.version}</bundle>
        <!-- logging -->
        <bundle start-level="8">mvn:org.ops4j.pax.logging/pax-logging-api/${pax.logging.version}</bundle>
        <bundle start-level="8">mvn:org.ops4j.pax.logging/pax-logging-logback/${pax.logging.version}</bundle>
        <!-- config admin -->
        <bundle start-level="9">mvn:org.osgi/org.osgi.util.function/1.1.0</bundle>
        <bundle start-level="9">mvn:org.osgi/org.osgi.util.promise/1.1.1</bundle>
        <bundle start-level="9">mvn:org.apache.felix/org.apache.felix.coordinator/${felix.coordinator.version}</bundle>
        <bundle start-level="9">mvn:org.apache.felix/org.apache.felix.converter/${felix.converter.version}</bundle>
        <bundle start-level="10">mvn:org.apache.felix/org.apache.felix.configadmin/${felix.configadmin.version}</bundle>
        <bundle start-level="11">mvn:org.apache.felix/org.apache.felix.configadmin.plugin.interpolation/${felix.configadmin.interpolation.plugin.version}</bundle>
        <bundle start-level="11">mvn:org.apache.felix/org.apache.felix.cm.json/${felix.cm.json.version}</bundle>
        <bundle start-level="11">mvn:org.apache.sling/org.apache.sling.commons.johnzon/${sling.commons.johnzon.version}</bundle>
        <bundle start-level="11">mvn:org.apache.felix/org.apache.felix.configurator/${felix.configurator.version}</bundle>
        <!-- file install -->
        <bundle start-level="12">mvn:org.apache.felix/org.apache.felix.fileinstall/${felix.fileinstall.version}</bundle>
        <!-- features service -->
        <bundle start-level="15">mvn:org.apache.karaf.features/org.apache.karaf.features.core/${project.version}</bundle>
    </feature>

</features>