Implement detection of redundant launcher execution

module/communication/controller/build.gradle.kts

@@ -18,10 +18,7 @@ dependencies {
     api(project(":jul.interface"))
     api(project(":jul.schedule"))
     api(project(":jul.pattern.controller"))
-    testImplementation("org.testcontainers:junit-jupiter:_")  {
-        exclude(group = "junit", module = "junit")
-    }
-    testImplementation("io.quarkus:quarkus-junit4-mock:_") // required as long as testcontainers depends on junit4
+    testApi(project(":jul.communication.mqtt.test"))
 }
 
 description = "JUL Extension Controller"

module/communication/controller/src/test/java/org/openbase/jul/communication/controller/AbstractControllerServerTest.java

@@ -26,6 +26,7 @@
 import org.junit.jupiter.api.Timeout;
 import org.junit.jupiter.api.function.Executable;
 import org.openbase.jul.communication.iface.RPCServer;
+import org.openbase.jul.communication.mqtt.test.MqttIntegrationTest;
 import org.openbase.jul.exception.CouldNotPerformException;
 import org.openbase.jul.exception.FatalImplementationErrorException;
 import org.openbase.jul.exception.InstantiationException;

module/communication/controller/src/test/java/org/openbase/jul/communication/controller/AbstractRemoteClientTest.java

@@ -29,6 +29,7 @@
 import org.openbase.jul.communication.controller.AbstractControllerServerTest.AbstractControllerServerImpl;
 import org.openbase.jul.communication.controller.AbstractControllerServerTest.AbstractRemoteClientImpl;
 import org.openbase.jul.communication.iface.RPCServer;
+import org.openbase.jul.communication.mqtt.test.MqttIntegrationTest;
 import org.openbase.jul.exception.CouldNotPerformException;
 import org.openbase.jul.exception.InstantiationException;
 import org.openbase.jul.exception.TimeoutException;

module/communication/controller/src/test/java/org/openbase/jul/communication/controller/ConfigurableControllerAndRemoteTest.java

@@ -25,6 +25,7 @@
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.Timeout;
 import org.openbase.jul.communication.iface.RPCServer;
+import org.openbase.jul.communication.mqtt.test.MqttIntegrationTest;
 import org.openbase.jul.exception.CouldNotPerformException;
 import org.openbase.type.communication.ScopeType.Scope;
 import org.openbase.type.domotic.unit.UnitConfigType.UnitConfig;

module/communication/controller/src/test/java/org/openbase/jul/communication/controller/FutureCancelTest.java

@@ -32,6 +32,7 @@
 import org.openbase.jul.communication.iface.RPCServer;
 import org.openbase.jul.communication.mqtt.CommunicatorFactoryImpl;
 import org.openbase.jul.communication.mqtt.DefaultCommunicatorConfig;
+import org.openbase.jul.communication.mqtt.test.MqttIntegrationTest;
 import org.openbase.jul.exception.CouldNotPerformException;
 import org.openbase.jul.extension.type.processing.ScopeProcessor;
 import org.openbase.jul.iface.Requestable;

module/communication/mqtttest/build.gradle.kts

@@ -0,0 +1,29 @@
+/*
+ * This file was generated by the Gradle 'init' task.
+ *
+ * This project uses @Incubating APIs which are subject to change.
+ */
+
+plugins {
+    id("org.openbase.jul")
+}
+
+dependencies {
+    api(project(":jul.communication"))
+    api(project(":jul.schedule"))
+    api(project(":jul.extension.type.processing"))
+    api(project(":jul.communication.mqtt"))
+    api("com.hivemq:hivemq-mqtt-client:_")
+    api("org.testcontainers:junit-jupiter:_")  {
+        exclude(group = "junit", module = "junit")
+    }
+    api("io.quarkus:quarkus-junit4-mock:_")
+    api(Testing.junit.jupiter)
+    api(Testing.junit.jupiter.api)
+}
+
+description = "JUL Extension MQTT Test"
+
+java {
+    withJavadocJar()
+}

module/communication/mqtttest/src/main/kotlin/org/openbase/jul/communication/mqtt/test/MqttIntegrationTest.kt

@@ -0,0 +1,95 @@
+package org.openbase.jul.communication.mqtt.test
+import org.junit.jupiter.api.AfterAll
+import org.junit.jupiter.api.BeforeAll
+import org.junit.jupiter.api.BeforeEach
+import org.junit.jupiter.api.TestInstance
+import org.openbase.jps.core.JPService
+import org.openbase.jps.exception.JPServiceException
+import org.openbase.jul.communication.jp.JPComHost
+import org.openbase.jul.communication.jp.JPComPort
+import org.openbase.jul.communication.mqtt.SharedMqttClient.waitForShutdown
+import org.testcontainers.containers.BindMode
+import org.testcontainers.containers.GenericContainer
+import org.testcontainers.utility.DockerImageName
+import java.nio.file.Files
+import java.nio.file.Path
+import java.time.Duration
+import java.util.*
+
+/*-
+ * #%L
+ * JUL Extension Controller
+ * %%
+ * Copyright (C) 2015 - 2021 openbase.org
+ * %%
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program 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 Lesser Public License for more details.
+ *
+ * You should have received a copy of the GNU General Lesser Public
+ * License along with this program.  If not, see
+ * <http://www.gnu.org/licenses/lgpl-3.0.html>.
+ * #L%
+
+ * */
+@TestInstance(TestInstance.Lifecycle.PER_CLASS)
+open class MqttIntegrationTest {
+
+    companion object {
+        const val port = 1884
+        var mosquittoConfig: Path? = null
+        var broker: GenericContainer<*>? = null
+        val configLock = Any()
+    }
+
+    @BeforeAll
+    fun setupMqtt() {
+        synchronized(configLock) {
+            mosquittoConfig = Files.createTempFile("mosquitto_", ".conf")
+            Files.write(
+                mosquittoConfig, listOf(
+                    "allow_anonymous true",
+                    "listener " + port
+                )
+            )
+            GenericContainer(DockerImageName.parse("eclipse-mosquitto"))
+                .withExposedPorts(port)
+                .withFileSystemBind(
+                    mosquittoConfig.toString(),
+                    "/mosquitto/config/mosquitto.conf",
+                    BindMode.READ_ONLY
+                )
+                .apply { withStartupTimeout(Duration.ofSeconds(30)).start() }
+                .also { if (broker?.takeIf { it.containerId != null } != null)
+                    error("broker was already initialized!") }
+                .also { broker = it }
+                .also { setupProperties() }
+        }
+    }
+
+    @AfterAll
+    fun tearDownMQTT() {
+        synchronized(configLock) {
+            waitForShutdown()
+            broker?.stop()
+            Files.delete(mosquittoConfig)
+        }
+    }
+
+    @Throws(JPServiceException::class)
+    private fun setupProperties() {
+        JPService.reset()
+        JPService.registerProperty(JPComPort::class.java, broker!!.firstMappedPort)
+        JPService.registerProperty(JPComHost::class.java, broker!!.host)
+        setupCustomProperties()
+        JPService.setupJUnitTestMode()
+    }
+
+    open fun setupCustomProperties() {}
+}

module/exception/src/main/java/org/openbase/jul/exception/printer/ExceptionPrinter.java

@@ -36,6 +36,7 @@
 import org.openbase.jul.exception.FatalImplementationErrorException;
 import org.openbase.jul.exception.MultiException;
 import org.openbase.jul.exception.MultiException.SourceExceptionEntry;
+import org.openbase.jul.exception.ShutdownException;
 import org.slf4j.Logger;
 
 /**
@@ -214,8 +215,7 @@ public static <T extends Throwable> void printHistory(final String message, T th
     public static <T extends Throwable> void printHistoryAndExit(final String message, T th, final Logger logger) {
         printHistory(new CouldNotPerformException(message, th), logger, LogLevel.ERROR);
         if (JPService.testMode()) {
-            assert false;
-            return;
+            throw new RuntimeException(new ShutdownException(message, th));
         }
         exit(255);
     }

module/extension/protobuf/src/main/java/org/openbase/jul/extension/protobuf/BuilderSyncSetup.java

@@ -266,10 +266,17 @@ public void unlockWrite(final NotificationStrategy notificationStrategy) {
                 } catch (InterruptedException ex) {
                     Thread.currentThread().interrupt();
                     return;
+                } catch (NotInitializedException ex) {
+                    // do nothing if service is not initialized yet
                 } catch (CouldNotPerformException ex) {
                     // only print error if the exception was not caused by a system shutdown.
                     if (!ExceptionProcessor.isCausedBySystemShutdown(ex)) {
-                        ExceptionPrinter.printHistory(new CouldNotPerformException("Could not inform builder holder about data update!", ex), logger, LogLevel.ERROR);
+                        ExceptionPrinter.printHistory(
+                                "Could not inform builder holder about data update!",
+                                ex,
+                                logger,
+                                LogLevel.ERROR
+                        );
                     }
                 }
         }

module/pattern/launch/build.gradle.kts

@@ -11,6 +11,7 @@ plugins {
 dependencies {
     api(project(":jul.interface"))
     api(project(":jul.communication.controller"))
+    testApi(project(":jul.communication.mqtt.test"))
 }
 
 description = "JUL Pattern Launch"