diff --git a/tycho-core/src/main/java/org/eclipse/tycho/core/osgitools/AbstractArtifactDependencyWalker.java b/tycho-core/src/main/java/org/eclipse/tycho/core/osgitools/AbstractArtifactDependencyWalker.java
index c6c67144f8..befe4e65d2 100644
--- a/tycho-core/src/main/java/org/eclipse/tycho/core/osgitools/AbstractArtifactDependencyWalker.java
+++ b/tycho-core/src/main/java/org/eclipse/tycho/core/osgitools/AbstractArtifactDependencyWalker.java
@@ -19,6 +19,7 @@
 import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
+import java.util.Objects;
 import java.util.Set;
 import java.util.Stack;
 
@@ -99,10 +100,10 @@ protected void traverseFeature(File location, Feature feature, FeatureRef featur
     }
 
     protected ArtifactDescriptor getArtifact(File location, String id) {
-        Map<String, ArtifactDescriptor> artifacts = this.artifacts.getArtifact(location);
-        if (artifacts != null) {
-            for (ArtifactDescriptor artifact : artifacts.values()) {
-                if (id.equals(artifact.getKey().getId())) {
+        for (ArtifactDescriptor artifact : this.artifacts.getArtifacts()) {
+            if (id.equals(artifact.getKey().getId())) {
+                File other = getLocation(artifact);
+                if (Objects.equals(location, other)) {
                     return artifact;
                 }
             }
@@ -179,8 +180,7 @@ protected void traverseFeature(FeatureRef ref, ArtifactDependencyVisitor visitor
 
             visited.enter(artifact);
             try {
-                File location = artifact.getLocation(true);
-
+                File location = getLocation(artifact);
                 Feature feature = Feature.loadFeature(location);
                 traverseFeature(location, feature, ref, visitor, visited);
             } finally {
@@ -191,6 +191,15 @@ protected void traverseFeature(FeatureRef ref, ArtifactDependencyVisitor visitor
         }
     }
 
+    private File getLocation(ArtifactDescriptor artifact) {
+        ReactorProject mavenProject = artifact.getMavenProject();
+        if (mavenProject != null) {
+            return mavenProject.getBasedir();
+        } else {
+            return artifact.getLocation(true);
+        }
+    }
+
     private void traversePlugin(PluginRef ref, ArtifactDependencyVisitor visitor, WalkbackPath visited) {
         if (!matchTargetEnvironment(ref)) {
             return;
@@ -205,7 +214,7 @@ private void traversePlugin(PluginRef ref, ArtifactDependencyVisitor visitor, Wa
                 return;
             }
 
-            File location = artifact.getLocation(true);
+            File location = getLocation(artifact);
             ReactorProject project = artifact.getMavenProject();
             String classifier = artifact.getClassifier();
             Collection<IInstallableUnit> installableUnits = artifact.getInstallableUnits();
diff --git a/tycho-core/src/main/java/org/eclipse/tycho/core/osgitools/DefaultArtifactDescriptor.java b/tycho-core/src/main/java/org/eclipse/tycho/core/osgitools/DefaultArtifactDescriptor.java
index 455109df5a..3c0fc4c62f 100644
--- a/tycho-core/src/main/java/org/eclipse/tycho/core/osgitools/DefaultArtifactDescriptor.java
+++ b/tycho-core/src/main/java/org/eclipse/tycho/core/osgitools/DefaultArtifactDescriptor.java
@@ -64,11 +64,9 @@ public ArtifactKey getKey() {
 
     @Override
     public File getLocation(boolean fetch) {
-        if (project != null) {
-            File basedir = project.getBasedir();
-            if (basedir != null) {
-                return basedir;
-            }
+        File projectLocation = getProjectLocation();
+        if (projectLocation != null) {
+            return projectLocation;
         }
         if (fetch && locationSupplier != null && (location == null || !location.exists())) {
             File file = locationSupplier.apply(this);
@@ -79,16 +77,28 @@ public File getLocation(boolean fetch) {
         return location;
     }
 
-    @Override
-    public CompletableFuture<File> fetchArtifact() {
+    private File getProjectLocation() {
         if (project != null) {
+            File packedArtifact = project.getArtifact();
+            if (packedArtifact != null && packedArtifact.isFile()) {
+                return packedArtifact;
+            }
             //TODO this really looks wrong! It should the file of the artifact (if present!) or the output directory,
             // but the basedir most likely only works for tycho ...
             File basedir = project.getBasedir();
             if (basedir != null) {
-                return CompletableFuture.completedFuture(basedir);
+                return basedir;
             }
         }
+        return null;
+    }
+
+    @Override
+    public CompletableFuture<File> fetchArtifact() {
+        File projectLocation = getProjectLocation();
+        if (projectLocation != null) {
+            return CompletableFuture.completedFuture(projectLocation);
+        }
         if (location != null && location.exists()) {
             return CompletableFuture.completedFuture(location);
         }
@@ -109,19 +119,14 @@ public CompletableFuture<File> fetchArtifact() {
 
     @Override
     public Optional<File> getLocation() {
-        if (project != null) {
-            //TODO this really looks wrong! It should the file of the artifact (if present!) or the output directory,
-            // but the basedir most likely only works for tycho ...
-            File basedir = project.getBasedir();
-            if (basedir != null) {
-                return Optional.of(basedir);
-            }
+        File projectLocation = getProjectLocation();
+        if (projectLocation != null) {
+            return Optional.of(projectLocation);
         }
         if (location != null) {
             //TODO actually location.exists() should be used here! But some code has problems with that!
             return Optional.of(location);
         }
-        // TODO Auto-generated method stub
         return Optional.empty();
     }
 
diff --git a/tycho-its/projects/multiPlatform.reactor/deployablefeature/pom.xml b/tycho-its/projects/multiPlatform.reactor/deployablefeature/pom.xml
index 75ec7baded..0866a076a1 100644
--- a/tycho-its/projects/multiPlatform.reactor/deployablefeature/pom.xml
+++ b/tycho-its/projects/multiPlatform.reactor/deployablefeature/pom.xml
@@ -14,6 +14,7 @@
       <plugin>
         <groupId>org.eclipse.tycho</groupId>
         <artifactId>tycho-packaging-plugin</artifactId>
+        <version>${tycho-version}</version>
         <configuration>
           <deployableFeature>true</deployableFeature>
         </configuration>
diff --git a/tycho-its/projects/multiPlatform.reactor/pom.xml b/tycho-its/projects/multiPlatform.reactor/pom.xml
index 1dc78b9b7a..706d26d909 100644
--- a/tycho-its/projects/multiPlatform.reactor/pom.xml
+++ b/tycho-its/projects/multiPlatform.reactor/pom.xml
@@ -5,6 +5,9 @@
   <artifactId>mpr.parent</artifactId>
   <version>0.0.1-SNAPSHOT</version>
   <packaging>pom</packaging>
+  <properties>
+   <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+  </properties>
   <modules>
     <module>bundle</module>
     <module>feature</module>
@@ -35,7 +38,6 @@
         <artifactId>target-platform-configuration</artifactId>
         <version>${tycho-version}</version>
         <configuration>
-          <resolver>p2</resolver>
           <environments>
             <environment>
               <os>win32</os>