diff --git a/de.hftstuttgart.buildingphysics.parent/pom.xml b/de.hftstuttgart.buildingphysics.parent/pom.xml
index 4dfe9c070771e3fb54fe991798cbc8a725d35b98..3dce306ec2079f8cad699cf3f5b976f29dceade8 100644
--- a/de.hftstuttgart.buildingphysics.parent/pom.xml
+++ b/de.hftstuttgart.buildingphysics.parent/pom.xml
@@ -39,12 +39,13 @@
 							<version>1.0.0-SNAPSHOT</version>
 						</artifact>
 					</target>
+					<resolveWithExecutionEnvironmentConstraints>false</resolveWithExecutionEnvironmentConstraints>
 					<environments>
 						<!-- environment>
 							<os>linux</os>
 							<ws>gtk</ws>
 							<arch>x86</arch>
-						</environment >
+						</environment-->
 						<environment>
 							<os>linux</os>
 							<ws>gtk</ws>
@@ -54,7 +55,7 @@
 							<os>win32</os>
 							<ws>win32</ws>
 							<arch>x86_64</arch>
-						</environment -->
+						</environment>
 						<environment>
 							<os>macosx</os>
 							<ws>cocoa</ws>
diff --git a/de.hftstuttgart.buildingphysics.product/de.hftstuttgart.buildingphysics.application.product b/de.hftstuttgart.buildingphysics.product/de.hftstuttgart.buildingphysics.application.product
index 02a60489a2870d21d24be7c6a00ef102603e6023..61fa7c4707a97b00c316354197556d553f0917c6 100644
--- a/de.hftstuttgart.buildingphysics.product/de.hftstuttgart.buildingphysics.application.product
+++ b/de.hftstuttgart.buildingphysics.product/de.hftstuttgart.buildingphysics.application.product
@@ -22,7 +22,6 @@
    </launcher>
 
    <vm>
-      <macos include="false">org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-14</macos>
    </vm>
 
    <plugins>
@@ -38,11 +37,12 @@
       <feature id="org.eclipse.emf.ecp.view.label.feature" installMode="root"/>
       <feature id="org.eclipse.emf.ecp.view.table.feature" installMode="root"/>
       <feature id="org.eclipse.equinox.sdk" installMode="root"/>
+      <feature id="org.eclipse.justj.openjdk.hotspot.jre.full.stripped" installMode="root"/>
    </features>
 
    <configurations>
       <plugin id="org.apache.felix.scr" autoStart="true" startLevel="2" />
-      <plugin id="org.eclipse.core.runtime" autoStart="true" startLevel="0" />
+      <plugin id="org.eclipse.core.runtime" autoStart="true" startLevel="4" />
       <plugin id="org.eclipse.equinox.common" autoStart="true" startLevel="2" />
       <plugin id="org.eclipse.equinox.event" autoStart="true" startLevel="2" />
       <plugin id="org.eclipse.equinox.simpleconfigurator" autoStart="true" startLevel="1" />
diff --git a/de.hftstuttgart.buildingphysics.target/buildingphysics.target.target b/de.hftstuttgart.buildingphysics.target/buildingphysics.target.target
index b6ef3955cc9ef4a3409d1ce0502bd48f4f1f87d4..7df2f056025729c7fa6ada9edc19c068beaca08a 100644
--- a/de.hftstuttgart.buildingphysics.target/buildingphysics.target.target
+++ b/de.hftstuttgart.buildingphysics.target/buildingphysics.target.target
@@ -16,8 +16,12 @@
 			<unit id="de.hft-stuttgart.indriya.feature.feature.group" version="0.0.0"/>
 		</location>
 		<location includeAllPlatforms="false" includeConfigurePhase="false" includeMode="planner" includeSource="false" type="InstallableUnit">
-			<repository location="https://transfer.hft-stuttgart.de/pages/neqmodplus/de.hft-stuttgart.cityunits/release_target_100/"/>
+			<repository location="https://transfer.hft-stuttgart.de/pages/neqmodplus/de.hft-stuttgart.cityunits/release_target_101/"/>
 			<unit id="de.hftstuttgart.cityunits.feature.feature.group" version="0.0.0"/>
 		</location>
+		<location includeAllPlatforms="false" includeConfigurePhase="false" includeMode="planner" includeSource="false" type="InstallableUnit">
+			<repository location="https://download.eclipse.org/justj/jres/15/updates/milestone"/>
+			<unit id="org.eclipse.justj.openjdk.hotspot.jre.full.stripped.feature.group" version="15.0.2.v20210201-0955"/>
+		</location>
 	</locations>
 </target>
\ No newline at end of file