diff --git a/JavaCompilerPlugin/bundles/JavaCompilerPlugin.Plugin/src/typinferenzplugin/Typinferenz.java b/JavaCompilerPlugin/bundles/JavaCompilerPlugin.Plugin/src/typinferenzplugin/Typinferenz.java
index b7b9d63..c37a5bd 100644
--- a/JavaCompilerPlugin/bundles/JavaCompilerPlugin.Plugin/src/typinferenzplugin/Typinferenz.java
+++ b/JavaCompilerPlugin/bundles/JavaCompilerPlugin.Plugin/src/typinferenzplugin/Typinferenz.java
@@ -25,7 +25,6 @@ import org.eclipse.core.runtime.Status;
 
 import de.dhbwstuttgart.bytecode.BytecodeGen;
 import de.dhbwstuttgart.bytecode.Exception.BytecodeGeneratorError;
-import de.dhbwstuttgart.bytecode.descriptor.TypeToDescriptor;
 import de.dhbwstuttgart.bytecode.genericsGeneratorTypes.GenericGenratorResultForSourceFile;
 import de.dhbwstuttgart.core.JavaTXCompiler;
 import de.dhbwstuttgart.exceptions.TypeinferenceException;
@@ -200,7 +199,7 @@ public class Typinferenz {
 
 	public void cancel() {
 		try {
-			// compiler.usedTasks.cancel();
+			compiler.usedTasks.cancel();
 		} catch (Exception e) {
 			e.printStackTrace();
 		}
diff --git a/JavaCompilerPlugin/bundles/JavaCompilerPlugin.Plugin/src/typinferenzplugin/editor/JavEditor.java b/JavaCompilerPlugin/bundles/JavaCompilerPlugin.Plugin/src/typinferenzplugin/editor/JavEditor.java
index c58c8b2..6acce39 100644
--- a/JavaCompilerPlugin/bundles/JavaCompilerPlugin.Plugin/src/typinferenzplugin/editor/JavEditor.java
+++ b/JavaCompilerPlugin/bundles/JavaCompilerPlugin.Plugin/src/typinferenzplugin/editor/JavEditor.java
@@ -30,6 +30,7 @@ import org.eclipse.jface.text.IDocument;
 import org.eclipse.jface.text.Position;
 import org.eclipse.jface.text.source.Annotation;
 import org.eclipse.jface.text.source.IAnnotationModel;
+import org.eclipse.jface.wizard.ProgressMonitorPart;
 import org.eclipse.swt.widgets.Display;
 import org.eclipse.ui.IEditorInput;
 import org.eclipse.ui.IFileEditorInput;
@@ -126,14 +127,38 @@ public class JavEditor extends TextEditor implements UnifyResultListener {
 	 */
 	private void typeReconstruction() {
 		Job job = Job.create("Doing type recoustruction...", (ICoreRunnable) monitor -> {
+			Runnable cancelledChecker = new Runnable() {
+				
+				@Override
+				public void run() {
+					boolean finished = false;
+					while (!finished && !Thread.interrupted()) {
+						try {
+							Thread.sleep(200);
+						} catch (InterruptedException e) {
+				             Thread.currentThread().interrupt();
+						}
+						
+						if (monitor.isCanceled()) {
+							typeinference.cancel();
+							finished = true;
+						}
+					}
+				}
+			};
+			
+			Thread cancelledCheckerThread = new Thread(cancelledChecker, "TypeinferenceCancelledChecker");
+			cancelledCheckerThread.setDaemon(true);
+			
 			// do something long running
 			if (!this.typeReplaceMarkers.isEmpty() || !this.errorMarkers.isEmpty()) {
 				LOG.log(new Status(ERROR, PLUGIN_ID,
-						"Fehler: Zuerst Marker löschen, bevor Typinferenz durchgeführt werden kann"));
+						"Fehler: Zuerst Marker löschen, bevor Typinferenz durchgeführt werden kann"));
 				return;
 			}
 
 			try {
+				cancelledCheckerThread.start();
 				typeinference.run(this);
 			} catch (TypeinferenceException texc) {
 				ErrorMarker errorMarker = new ErrorMarker(texc.getMessage(), new CodePoint(texc.getOffset()));
diff --git a/JavaCompilerPlugin/releng/JavaCompilerPlugin.Target/.gitignore b/JavaCompilerPlugin/releng/JavaCompilerPlugin.Target/.gitignore
index 9ead5fd..33ebcf0 100644
--- a/JavaCompilerPlugin/releng/JavaCompilerPlugin.Target/.gitignore
+++ b/JavaCompilerPlugin/releng/JavaCompilerPlugin.Target/.gitignore
@@ -1,2 +1,3 @@
 /.settings/
 *.project
+/target/
diff --git a/JavaCompilerPlugin/releng/JavaCompilerPlugin.Target/.project b/JavaCompilerPlugin/releng/JavaCompilerPlugin.Target/.project
index da06dc9..e400cc6 100644
--- a/JavaCompilerPlugin/releng/JavaCompilerPlugin.Target/.project
+++ b/JavaCompilerPlugin/releng/JavaCompilerPlugin.Target/.project
@@ -5,7 +5,13 @@
 	<projects>
 	</projects>
 	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.m2e.core.maven2Builder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
 	</buildSpec>
 	<natures>
+		<nature>org.eclipse.m2e.core.maven2Nature</nature>
 	</natures>
 </projectDescription>