--- a/plugins/jcmd-stats-collector/agent/src/main/java/com/redhat/thermostat/agent/jcmd/backend/internal/JCMDBackend.java	Fri Oct 27 14:34:16 2017 -0400
+++ b/plugins/jcmd-stats-collector/agent/src/main/java/com/redhat/thermostat/agent/jcmd/backend/internal/JCMDBackend.java	Mon Oct 30 17:27:30 2017 -0400
@@ -36,30 +36,39 @@
 
 package com.redhat.thermostat.agent.jcmd.backend.internal;
 
+import java.util.Dictionary;
+import java.util.Hashtable;
+import java.util.logging.Logger;
+
+import org.apache.felix.scr.annotations.Activate;
+import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.ConfigurationPolicy;
+import org.apache.felix.scr.annotations.Deactivate;
+import org.apache.felix.scr.annotations.Modified;
+import org.apache.felix.scr.annotations.Reference;
+import org.apache.felix.scr.annotations.Service;
+import org.osgi.framework.BundleContext;
+import org.osgi.framework.ServiceRegistration;
+
 import com.redhat.thermostat.agent.http.HttpRequestService;
 import com.redhat.thermostat.agent.utils.management.MXBeanConnectionPool;
 import com.redhat.thermostat.backend.Backend;
 import com.redhat.thermostat.backend.BaseBackend;
 import com.redhat.thermostat.commands.agent.receiver.RequestReceiver;
-
 import com.redhat.thermostat.common.config.experimental.ConfigurationInfoSource;
+import com.redhat.thermostat.common.utils.LoggingUtils;
 import com.redhat.thermostat.jvm.overview.agent.model.VmMapperService;
 import com.redhat.thermostat.lang.schema.JSONService;
-import org.apache.felix.scr.annotations.Activate;
-import org.apache.felix.scr.annotations.Component;
-import org.apache.felix.scr.annotations.Deactivate;
-import org.apache.felix.scr.annotations.Reference;
-import org.apache.felix.scr.annotations.Service;
-import org.osgi.framework.BundleContext;
-import org.osgi.framework.ServiceRegistration;
 
-import java.util.Dictionary;
-import java.util.Hashtable;
-
-@Component
+@Component(
+        policy = ConfigurationPolicy.REQUIRE,
+        configurationPid = "jcmd"
+)
 @Service(value = Backend.class)
 public class JCMDBackend extends BaseBackend {
 
+    private static final Logger logger = LoggingUtils.getLogger(JCMDBackend.class);
+    
     private boolean enabled = false;
 
     private ServiceRegistration<RequestReceiver> reg;
@@ -99,6 +108,16 @@
         }
     }
 
+    /*
+     * Default OSGI behaviour is to restart the component when configuration changes.
+     * The @modified method acts as a callback to prevent this from happening since
+     * we don't need to restart the component for our use-case.
+     */
+    @Modified
+    protected void modified() {
+        logger.config("Doing nothing on configuration change for plugin jcmd");
+    }
+    
     @Deactivate
     private void _deactivate_(BundleContext context) {
         if (reg != null) {

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/plugins/jcmd-stats-collector/agent/src/main/java/com/redhat/thermostat/agent/jcmd/backend/internal/JCMDBackendConfiguration.java	Mon Oct 30 17:27:30 2017 -0400
@@ -0,0 +1,79 @@
+/*
+ * Copyright 2012-2017 Red Hat, Inc.
+ *
+ * This file is part of Thermostat.
+ *
+ * Thermostat is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published
+ * by the Free Software Foundation; either version 2, or (at your
+ * option) any later version.
+ *
+ * Thermostat is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Thermostat; see the file COPYING.  If not see
+ * <http://www.gnu.org/licenses/>.
+ *
+ * Linking this code with other modules is making a combined work
+ * based on this code.  Thus, the terms and conditions of the GNU
+ * General Public License cover the whole combination.
+ *
+ * As a special exception, the copyright holders of this code give
+ * you permission to link this code with independent modules to
+ * produce an executable, regardless of the license terms of these
+ * independent modules, and to copy and distribute the resulting
+ * executable under terms of your choice, provided that you also
+ * meet, for each linked independent module, the terms and conditions
+ * of the license of that module.  An independent module is a module
+ * which is not derived from or based on this code.  If you modify
+ * this code, you may extend this exception to your version of the
+ * library, but you are not obligated to do so.  If you do not wish
+ * to do so, delete this exception statement from your version.
+ */
+
+package com.redhat.thermostat.agent.jcmd.backend.internal;
+
+import org.apache.felix.scr.annotations.Activate;
+import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.Reference;
+import org.apache.felix.scr.annotations.Service;
+import org.osgi.framework.BundleContext;
+
+import com.redhat.thermostat.backend.BackendConfiguration;
+import com.redhat.thermostat.common.config.experimental.ConfigurationInfoSource;
+import com.redhat.thermostat.common.plugin.BackendConfigurationUtil;
+
+@Component
+@Service(value = BackendConfiguration.class)
+public class JCMDBackendConfiguration implements BackendConfiguration {
+
+    private static final String PLUGIN_ID = "jcmd";
+    private String location;
+
+    @Reference
+    private ConfigurationInfoSource configInfoSource;
+
+    @Override
+    public boolean isEnabled() {
+        BackendConfigurationUtil configuration = new BackendConfigurationUtil(configInfoSource, PLUGIN_ID);
+        return configuration.isEnabled();
+    }
+
+    @Override
+    public String getPluginId() {
+        return PLUGIN_ID;
+    }
+
+    @Override
+    public String getLocation() {
+        return location;
+    }
+
+    @Activate
+    public void activate(BundleContext context) {
+        location = context.getBundle().getLocation();
+    }
+}