Implement FeatureCheck as DS

openchrom/plugins/net.openchrom.installer.ui/META-INF/MANIFEST.MF

@@ -42,5 +42,6 @@ Bundle-RequiredExecutionEnvironment: JavaSE-25
 Bundle-ActivationPolicy: lazy
 Automatic-Module-Name: net.openchrom.installer.ui
 Service-Component: OSGI-INF/net.openchrom.installer.ui.OpenchromP2Policy.xml,
- OSGI-INF/net.openchrom.installer.ui.P2CleanupDS.xml
+ OSGI-INF/net.openchrom.installer.ui.P2CleanupDS.xml,
+ OSGI-INF/net.openchrom.installer.ui.FeatureCheckDS.xml
 Import-Package: org.osgi.service.event;version="[1.0.0,2.0.0)"

openchrom/plugins/net.openchrom.installer.ui/OSGI-INF/net.openchrom.installer.ui.FeatureCheckDS.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<scr:component xmlns:scr="http://www.osgi.org/xmlns/scr/v1.4.0" name="net.openchrom.installer.ui.FeatureCheckDS">
+   <property name="event.topics" type="String" value="org/eclipse/e4/ui/LifeCycle/appStartupComplete"/>
+   <service>
+      <provide interface="org.osgi.service.event.EventHandler"/>
+   </service>
+   <implementation class="net.openchrom.installer.ui.FeatureCheckDS"/>
+</scr:component>

openchrom/plugins/net.openchrom.installer.ui/plugin.xml

@@ -1,10 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <plugin>
-   <extension
-         point="org.eclipse.ui.startup">
-      <startup
-            class="net.openchrom.installer.ui.FeatureCheck"></startup>
-   </extension>
    <extension
          id="com.lablicate.installer.ui.fragment"
          point="org.eclipse.e4.workbench.model">

openchrom/plugins/net.openchrom.installer.ui/src/net/openchrom/installer/ui/FeatureCheck.java

@@ -27,7 +27,6 @@
 import org.eclipse.jface.dialogs.IDialogConstants;
 import org.eclipse.jface.dialogs.MessageDialogWithToggle;
 import org.eclipse.jface.wizard.WizardDialog;
-import org.eclipse.ui.IStartup;
 import org.osgi.framework.Bundle;
 
 import net.openchrom.installer.model.IPluginDescriptor;
@@ -39,12 +38,15 @@
 import net.openchrom.installer.ui.discovery.PrepareInstallProfileJob;
 import net.openchrom.installer.ui.wizards.PluginDiscoveryWizard;
 
-public class FeatureCheck implements IStartup {
+public class FeatureCheck {
 
 	private static final Logger logger = Logger.getLogger(FeatureCheck.class);
 
-	@Override
-	public void earlyStartup() {
+	private FeatureCheck() {
+
+	}
+
+	public static void check() {
 
 		for(String feature : getConverterFeatures()) {
 			Bundle bundle = Platform.getBundle(feature);
@@ -87,7 +89,7 @@ public void earlyStartup() {
 		}
 	}
 
-	private List<String> getConverterFeatures() {
+	private static List<String> getConverterFeatures() {
 
 		List<String> features = new ArrayList<>();
 		PluginDiscoveryExtensionReader extensionReader = new PluginDiscoveryExtensionReader();

openchrom/plugins/net.openchrom.installer.ui/src/net/openchrom/installer/ui/FeatureCheckDS.java

@@ -0,0 +1,39 @@
+/*******************************************************************************
+ * Copyright (c) 2026 Lablicate GmbH.
+ *
+ * This program and the accompanying materials are made
+ * available under the terms of the Eclipse Public License 2.0
+ * which is available at https://www.eclipse.org/legal/epl-2.0/
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ *
+ * Contributors:
+ * Aleksandar Kurtakov - initial API and implementation
+ *******************************************************************************/
+package net.openchrom.installer.ui;
+
+import org.eclipse.core.runtime.IProgressMonitor;
+import org.eclipse.core.runtime.Status;
+import org.eclipse.core.runtime.jobs.Job;
+import org.eclipse.e4.ui.workbench.UIEvents;
+import org.osgi.service.component.annotations.Component;
+import org.osgi.service.event.Event;
+import org.osgi.service.event.EventHandler;
+import org.osgi.service.event.propertytypes.EventTopics;
+
+@Component(service = EventHandler.class)
+@EventTopics(UIEvents.UILifeCycle.APP_STARTUP_COMPLETE)
+public class FeatureCheckDS implements EventHandler {
+
+	@Override
+	public void handleEvent(Event event) {
+
+		Job job = Job.create("Check for vendor converter plug-ins", (IProgressMonitor _) -> {
+
+			FeatureCheck.check();
+			return Status.OK_STATUS;
+		});
+		job.setSystem(true);
+		job.schedule();
+	}
+}