CleanUp
diff --git a/r/org.eclipse.statet.r.console.core/src/org/eclipse/statet/internal/r/nico/RNicoMessages.java b/r/org.eclipse.statet.r.console.core/src/org/eclipse/statet/internal/r/nico/RNicoMessages.java
index f49522e..189f613 100644
--- a/r/org.eclipse.statet.r.console.core/src/org/eclipse/statet/internal/r/nico/RNicoMessages.java
+++ b/r/org.eclipse.statet.r.console.core/src/org/eclipse/statet/internal/r/nico/RNicoMessages.java
@@ -16,7 +16,11 @@
 
 import org.eclipse.osgi.util.NLS;
 
+import org.eclipse.statet.jcommons.lang.NonNullByDefault;
 
+
+@NonNullByDefault
+@SuppressWarnings("null")
 public class RNicoMessages extends NLS {
 	
 	
diff --git a/r/org.eclipse.statet.r.console.core/src/org/eclipse/statet/r/console/core/AbstractRController.java b/r/org.eclipse.statet.r.console.core/src/org/eclipse/statet/r/console/core/AbstractRController.java
index 0ae86ad..94cae27 100644
--- a/r/org.eclipse.statet.r.console.core/src/org/eclipse/statet/r/console/core/AbstractRController.java
+++ b/r/org.eclipse.statet.r.console.core/src/org/eclipse/statet/r/console/core/AbstractRController.java
@@ -156,7 +156,7 @@
 		this.trackingConfigurations= config;
 	}
 	
-	protected void initTracks(final String directory,
+	protected void initTracks(
 			final ProgressMonitor m, final List<Status> warnings) throws StatusException {
 		if (this.trackingConfigurations != null) {
 			m.setWorkRemaining(this.trackingConfigurations.size());
diff --git a/r/org.eclipse.statet.r.console.core/src/org/eclipse/statet/r/nico/impl/RTermCancelRunnable.java b/r/org.eclipse.statet.r.console.core/src/org/eclipse/statet/r/nico/impl/RTermCancelRunnable.java
index ee82f47..950949a 100644
--- a/r/org.eclipse.statet.r.console.core/src/org/eclipse/statet/r/nico/impl/RTermCancelRunnable.java
+++ b/r/org.eclipse.statet.r.console.core/src/org/eclipse/statet/r/nico/impl/RTermCancelRunnable.java
@@ -14,6 +14,8 @@
 
 package org.eclipse.statet.r.nico.impl;
 
+import static org.eclipse.statet.jcommons.lang.ObjectUtils.nonNullAssert;
+
 import java.io.File;
 import java.io.IOException;
 import java.net.URL;
@@ -24,6 +26,7 @@
 import org.eclipse.core.runtime.Platform;
 import org.eclipse.core.runtime.Status;
 
+import org.eclipse.statet.jcommons.lang.NonNullByDefault;
 import org.eclipse.statet.jcommons.status.ProgressMonitor;
 import org.eclipse.statet.jcommons.status.StatusException;
 import org.eclipse.statet.jcommons.status.WarningStatus;
@@ -40,6 +43,7 @@
 /**
  * Cancel support for windows/rterm.
  */
+@NonNullByDefault
 class RTermCancelRunnable implements ToolRunnable {
 	
 	
@@ -53,6 +57,7 @@
 	}
 	
 	@Override
+	@SuppressWarnings("null")
 	public String getTypeId() {
 		return null; // not a real runnable
 	}
@@ -69,54 +74,55 @@
 	
 	@Override
 	public void run(final ToolService service, final ProgressMonitor m) throws StatusException {
-		final IRBasicAdapter r = (IRBasicAdapter) service;
-		final REnvConfiguration rEnvConfig= r.getTool().getAdapter(REnvConfiguration.class);
-		String arch = rEnvConfig.getRArch();
+		final IRBasicAdapter r= (IRBasicAdapter) service;
+		final REnvConfiguration rEnvConfig= nonNullAssert(
+				r.getTool().getAdapter(REnvConfiguration.class) );
+		String arch= rEnvConfig.getRArch();
 		if (arch == null) {
-			arch = Platform.getOSArch();
+			arch= Platform.getOSArch();
 		}
 		try {
 			m.beginTask(RNicoMessages.RTerm_CancelTask_SendSignal_label, 10);
-			URL url = RConsoleCorePlugin.getInstance().getBundle().getEntry(
+			URL url= RConsoleCorePlugin.getInstance().getBundle().getEntry(
 					"/win32/" + arch + "/sendsignal.exe"); //$NON-NLS-1$ //$NON-NLS-2$
 			if (url == null) {
 				throw new IOException("Missing 'sendsignal' tool for arch '" +  arch + "'."); //$NON-NLS-1$
 			}
-			url = FileLocator.toFileURL(url);
-			final File file = new File(url.getPath());
+			url= FileLocator.toFileURL(url);
+			final File file= new File(url.getPath());
 			if (!file.exists()) {
 				throw new IOException("Missing file '"+url.toExternalForm()+ "'."); //$NON-NLS-1$ //$NON-NLS-2$
 			}
 			m.addWorked(1);
-			final RTermController controller = (RTermController) r.getController();
-			final Long processId = controller.fProcessId;
+			final RTermController controller= (RTermController) r.getController();
+			final Long processId= controller.processId;
 			if (processId == null) {
 				RConsoleCorePlugin.log(new Status(IStatus.WARNING, RConsoleCorePlugin.BUNDLE_ID,
 						"Cannot run cancel command: process-id of Rterm process is missing." )); //$NON-NLS-1$
 				return;
 			}
-			final String[] cmd = new String[] {
+			final String[] cmd= new String[] {
 					file.getAbsolutePath(), processId.toString()
 					// the tool usually does not print output
 			};
-			final Process process = Runtime.getRuntime().exec(cmd);
+			final Process process= Runtime.getRuntime().exec(cmd);
 			m.addWorked(1);
 			while (true) {
 				try {
-					final int code = process.exitValue();
+					final int code= process.exitValue();
 					if (code != 0) {
-						final StringBuilder detail = new StringBuilder("Command failed:"); //$NON-NLS-1$
-						detail.append("\n command = "); //$NON-NLS-1$
+						final StringBuilder detail= new StringBuilder("Command failed:"); //$NON-NLS-1$
+						detail.append("\n command= "); //$NON-NLS-1$
 						detail.append(Arrays.toString(cmd));
-						detail.append("\n os.name = "); //$NON-NLS-1$
+						detail.append("\n os.name= "); //$NON-NLS-1$
 						detail.append(System.getProperty("os.name")); //$NON-NLS-1$
-						detail.append("\n os.version = "); //$NON-NLS-1$
+						detail.append("\n os.version= "); //$NON-NLS-1$
 						detail.append(System.getProperty("os.version")); //$NON-NLS-1$
-						detail.append("\n os.arch = "); //$NON-NLS-1$
+						detail.append("\n os.arch= "); //$NON-NLS-1$
 						detail.append(System.getProperty("os.arch")); //$NON-NLS-1$
-						detail.append("\n r.arch = "); //$NON-NLS-1$
+						detail.append("\n r.arch= "); //$NON-NLS-1$
 						detail.append(arch); 
-						detail.append("\n exit.code = 0x"); //$NON-NLS-1$
+						detail.append("\n exit.code= 0x"); //$NON-NLS-1$
 						detail.append(Integer.toHexString(code));
 						throw new IOException(detail.toString());
 					}
diff --git a/r/org.eclipse.statet.r.console.core/src/org/eclipse/statet/r/nico/impl/RTermController.java b/r/org.eclipse.statet.r.console.core/src/org/eclipse/statet/r/nico/impl/RTermController.java
index b258bdf..fd6f2e2 100644
--- a/r/org.eclipse.statet.r.console.core/src/org/eclipse/statet/r/nico/impl/RTermController.java
+++ b/r/org.eclipse.statet.r.console.core/src/org/eclipse/statet/r/nico/impl/RTermController.java
@@ -40,6 +40,8 @@
 import org.eclipse.debug.core.IStreamListener;
 import org.eclipse.debug.core.model.IStreamMonitor;
 
+import org.eclipse.statet.jcommons.lang.NonNullByDefault;
+import org.eclipse.statet.jcommons.lang.Nullable;
 import org.eclipse.statet.jcommons.status.ErrorStatus;
 import org.eclipse.statet.jcommons.status.ProgressMonitor;
 import org.eclipse.statet.jcommons.status.Status;
@@ -67,20 +69,21 @@
 /**
  * Controller for RTerm.
  */
+@NonNullByDefault
 public class RTermController extends AbstractRController implements IRequireSynch {
 	
 	
-	private static final Pattern INT_OUTPUT_PATTERN = Pattern.compile("\\Q[1] \\E(\\d*)"); //$NON-NLS-1$
-	private static final Pattern STRING_OUTPUT_PATTERN = Pattern.compile("\\Q[1] \"\\E((?:\\Q\\\"\\E|[^\"])*)\\\""); //$NON-NLS-1$
+	private static final Pattern INT_OUTPUT_PATTERN= Pattern.compile("\\Q[1] \\E(\\d*)"); //$NON-NLS-1$
+	private static final Pattern STRING_OUTPUT_PATTERN= Pattern.compile("\\Q[1] \"\\E((?:\\Q\\\"\\E|[^\"])*)\\\""); //$NON-NLS-1$
 	
 	
 	private class ReadThread extends Thread {
 		
 		volatile int hasNoOutput;
-		private final int SYNC_COUNT = 2;
-		private final int SYNC_MS = 33;
+		private final int SYNC_COUNT= 2;
+		private final int SYNC_MS= 33;
 		
-		final Lock streamLock = new ReentrantLock();
+		final Lock streamLock= new ReentrantLock();
 		
 		public ReadThread() {
 			super("Rterm-Output Monitor"); //$NON-NLS-1$
@@ -88,31 +91,31 @@
 		
 		@Override
 		public void run() {
-			final ToolStreamProxy streams = getStreams();
-			boolean locked = false;
+			final ToolStreamProxy streams= getStreams();
+			boolean locked= false;
 			try {
-				boolean canRead = false;
-				final char[] b = new char[1024];
-				while (fProcess != null | (canRead = fProcessOutputReader.ready())) {
-					fProcessOutputBuffer.available();
+				boolean canRead= false;
+				final char[] b= new char[1024];
+				while (RTermController.this.process != null | (canRead= RTermController.this.processOutputReader.ready())) {
+					RTermController.this.processOutputBuffer.available();
 					if (canRead || this.hasNoOutput > this.SYNC_COUNT) {
 						if (!canRead && locked) {
 							this.streamLock.unlock();
-							locked = false;
+							locked= false;
 						}
-						int n = fProcessOutputReader.read(b);
+						int n= RTermController.this.processOutputReader.read(b);
 						if (n > 0) {
-							this.hasNoOutput = 0;
+							this.hasNoOutput= 0;
 							if (!locked) {
 								this.streamLock.lock();
-								locked = true;
+								locked= true;
 							}
-							final String s = new String(b, 0, n);
+							final String s= new String(b, 0, n);
 							streams.getOutputStreamMonitor().append(s, SubmitType.CONSOLE, 0);
-							n = s.length();
+							n= s.length();
 							if (n >= 2 && s.charAt(--n) == ' ' && (s.charAt(--n) == '>' || s.charAt(n) == '+')) {
 								this.hasNoOutput++;
-								final Thread thread = getControllerThread();
+								final Thread thread= getControllerThread();
 								if (thread != null) {
 									thread.interrupt();
 								}
@@ -140,10 +143,10 @@
 			finally {
 				if (locked) {
 					this.streamLock.unlock();
-					locked = false;
+					locked= false;
 				}
 				try {
-					fProcessOutputReader.close();
+					RTermController.this.processOutputReader.close();
 				} catch (final IOException e1) {
 				}
 			}
@@ -167,21 +170,21 @@
 		
 		@Override
 		public void run(final ToolService service, final ProgressMonitor m) throws StatusException {
-			final StringBuilder output = readOutputLine("Sys.getpid()", m); //$NON-NLS-1$
+			final StringBuilder output= readOutputLine("Sys.getpid()", m); //$NON-NLS-1$
 			if (output != null) {
-				final Matcher matcher = INT_OUTPUT_PATTERN.matcher(output);
+				final Matcher matcher= INT_OUTPUT_PATTERN.matcher(output);
 				if (matcher.find()) {
-					final String idString = matcher.group(1);
+					final String idString= matcher.group(1);
 					if (idString != null) {
 						try {
-							fProcessId = Long.valueOf(idString);
+							RTermController.this.processId= Long.valueOf(idString);
 						}
 						catch (final NumberFormatException e) {
-							fProcessId = null;
+							RTermController.this.processId= null;
 						}
 					}
 					else {
-						fProcessId = null;
+						RTermController.this.processId= null;
 					}
 				}
 			}
@@ -190,31 +193,31 @@
 	}
 	
 	
-	private final ProcessBuilder fConfig;
-	private final Charset fCharset;
-	private Process fProcess;
-	private OutputStreamWriter fProcessInputWriter;
-	private BufferedInputStream fProcessOutputBuffer;
-	private InputStreamReader fProcessOutputReader;
-	private ReadThread fProcessOutputThread;
-	Long fProcessId;
+	private final ProcessBuilder processConfig;
+	private final Charset charset;
+	private @Nullable Process process;
+	private OutputStreamWriter processInputWriter;
+	private BufferedInputStream processOutputBuffer;
+	private InputStreamReader processOutputReader;
+	private ReadThread processOutputThread;
+	@Nullable Long processId;
 	
 	
 	public RTermController(final RProcess process, final ProcessBuilder config, final Charset charset) {
 		super(process, null);
-		fConfig = config;
-		fCharset = charset;
+		this.processConfig= config;
+		this.charset= charset;
 		
 		setWorksapceData(new RWorkspace(this, null, null) {
 			@Override
 			protected void refreshFromTool(final AbstractRController controller, final int options,
 					final ProgressMonitor m) throws StatusException {
 				if ((options & RWorkspace.REFRESH_COMPLETE) != 0 || (options & RWorkspace.REFRESH_AUTO) == 0) {
-					final StringBuilder output = readOutputLine("getwd()", m); //$NON-NLS-1$
+					final StringBuilder output= readOutputLine("getwd()", m); //$NON-NLS-1$
 					if (output != null) {
-						final Matcher matcher = STRING_OUTPUT_PATTERN.matcher(output);
+						final Matcher matcher= STRING_OUTPUT_PATTERN.matcher(output);
 						if (matcher.find()) {
-							final String wd = matcher.group(1);
+							final String wd= matcher.group(1);
 							setWorkspaceDirL(EFS.getLocalFileSystem().getStore(new Path(wd)));
 						}
 					}
@@ -238,25 +241,26 @@
 	
 	@Override
 	protected void startToolL(final ProgressMonitor m) throws StatusException {
-		OutputStream processInput = null;
+		OutputStream processInput= null;
 		InputStream processOutput;
 		try {
-			fConfig.redirectErrorStream(true);
-			fProcess = fConfig.start();
-			processOutput = fProcess.getInputStream();
-			if (processOutput instanceof BufferedInputStream) {
-				fProcessOutputBuffer = (BufferedInputStream) processOutput;
-			}
-			fProcessOutputReader = new InputStreamReader(processOutput, fCharset);
-			fProcessOutputThread = new ReadThread();
-			fProcessOutputThread.start();
-			processInput = fProcess.getOutputStream();
-			fProcessInputWriter = new OutputStreamWriter(processInput, fCharset);
-			setCurrentPromptL(fDefaultPrompt);
-			
 			final List<Status> warnings= new ArrayList<>();
 			
-			initTracks(fConfig.directory().toString(), m, warnings);
+			this.processConfig.redirectErrorStream(true);
+			final Process process= this.processConfig.start();
+			this.process= process;
+			processOutput= process.getInputStream();
+			if (processOutput instanceof BufferedInputStream) {
+				this.processOutputBuffer= (BufferedInputStream) processOutput;
+			}
+			this.processOutputReader= new InputStreamReader(processOutput, this.charset);
+			this.processOutputThread= new ReadThread();
+			this.processOutputThread.start();
+			processInput= process.getOutputStream();
+			this.processInputWriter= new OutputStreamWriter(processInput, this.charset);
+			setCurrentPromptL(this.fDefaultPrompt);
+			
+			initTracks(m, warnings);
 			
 			getQueue().add(new UpdateProcessIdTask());
 			if (!this.startupsRunnables.isEmpty()) {
@@ -288,7 +292,6 @@
 					RNicoMessages.RTerm_error_Starting_message,
 					e ));
 		}
-		
 	}
 	
 	@Override
@@ -299,27 +302,27 @@
 	@Override
 	protected void postCancelTask(final int options,
 			final ProgressMonitor m) throws StatusException {
-		fCurrentInput = ""; //$NON-NLS-1$
+		this.fCurrentInput= ""; //$NON-NLS-1$
 		doSubmitL(m);
-		fCurrentInput = ""; //$NON-NLS-1$
+		this.fCurrentInput= ""; //$NON-NLS-1$
 		doSubmitL(m);
 	}
 	
 	@Override
 	protected void killTool(final ProgressMonitor m) {
-		final Process p = fProcess;
-		if (p != null) {
-			p.destroy();
-			fProcess = null;
+		final Process process= this.process;
+		if (process != null) {
+			process.destroy();
+			this.process= null;
 		}
 	}
 	
 	@Override
 	protected boolean isToolAlive() {
-		final Process p = fProcess;
-		if (p != null) {
+		final Process process= this.process;
+		if (process != null) {
 			try {
-				p.exitValue();
+				process.exitValue();
 			}
 			catch (final IllegalThreadStateException e) {
 				return true;
@@ -330,7 +333,7 @@
 	
 	@Override
 	protected void clear() {
-		fProcess = null;
+		this.process= null;
 		super.clear();
 	}
 	
@@ -341,11 +344,11 @@
 			return false;
 		}
 		
-		final ToolCommandHandler handler = getCommandHandler(RUN_BLOCKING_EVENT_ID);
+		final ToolCommandHandler handler= getCommandHandler(RUN_BLOCKING_EVENT_ID);
 		if (handler != null) {
-			final RTermCancelRunnable cancelRunnable = new RTermCancelRunnable();
-			final Map<String, Object> data = Collections.singletonMap(RUN_RUNNABLE_DATA_KEY, (Object) cancelRunnable);
-			final Status status = executeHandler(RUN_BLOCKING_EVENT_ID, handler, data, null);
+			final RTermCancelRunnable cancelRunnable= new RTermCancelRunnable();
+			final Map<String, Object> data= Collections.singletonMap(RUN_RUNNABLE_DATA_KEY, (Object) cancelRunnable);
+			final Status status= executeHandler(RUN_BLOCKING_EVENT_ID, handler, data, null);
 			return (status != null && status.getSeverity() == Status.OK);
 		}
 		return false;
@@ -356,29 +359,29 @@
 	
 	@Override
 	protected void doBeforeSubmitL() {
-		final ToolStreamProxy streams = getStreams();
-		final SubmitType submitType = getCurrentSubmitType();
+		final ToolStreamProxy streams= getStreams();
+		final SubmitType submitType= getCurrentSubmitType();
 		// adds control stream
 		// without prompt
 		try {
-			fProcessOutputThread.streamLock.lock();
-			streams.getInputStreamMonitor().append(fCurrentInput, submitType,
-					(fCurrentPrompt.meta & ConsoleService.META_HISTORY_DONTADD) );
+			this.processOutputThread.streamLock.lock();
+			streams.getInputStreamMonitor().append(this.fCurrentInput, submitType,
+					(this.fCurrentPrompt.meta & ConsoleService.META_HISTORY_DONTADD) );
 			streams.getInputStreamMonitor().append(getWorkspaceData().getLineSeparator(), submitType,
 					ConsoleService.META_HISTORY_DONTADD);
 		}
 		finally {
-			fProcessOutputThread.streamLock.unlock();
+			this.processOutputThread.streamLock.unlock();
 		}
 	}
 	
 	@Override
 	protected void doSubmitL(final ProgressMonitor m) {
-		m.beginSubTask(fDefaultPrompt.text + " " + fCurrentInput);  //$NON-NLS-1$
+		m.beginSubTask(this.fDefaultPrompt.text + " " + this.fCurrentInput);  //$NON-NLS-1$
 		
 		try {
-			fProcessInputWriter.write(fCurrentInput + fLineSeparator);
-			fProcessInputWriter.flush();
+			this.processInputWriter.write(this.fCurrentInput + this.fLineSeparator);
+			this.processInputWriter.flush();
 		}
 		catch (final IOException e) {
 			RConsoleCorePlugin.logError("Rterm IO error", e); //$NON-NLS-1$
@@ -390,25 +393,25 @@
 		}
 		
 		try {
-			Thread.sleep(fProcessOutputThread.SYNC_MS*2);
+			Thread.sleep(this.processOutputThread.SYNC_MS*2);
 		}
 		catch (final InterruptedException e) {
 			// continue directly
 		}
-		fProcessOutputThread.streamLock.lock();
-		fProcessOutputThread.streamLock.unlock();
+		this.processOutputThread.streamLock.lock();
+		this.processOutputThread.streamLock.unlock();
 		
-		setCurrentPromptL(fDefaultPrompt);
+		setCurrentPromptL(this.fDefaultPrompt);
 	}
 	
 	@Override
 	public Pattern synch(final ProgressMonitor m) throws StatusException {
-		final ToolStreamMonitor stream = getStreams().getOutputStreamMonitor();
-		final String stamp = "Synch"+System.nanoTime(); //$NON-NLS-1$
-		final AtomicBoolean patternFound = new AtomicBoolean(false);
-		final IStreamListener listener = new IStreamListener() {
+		final ToolStreamMonitor stream= getStreams().getOutputStreamMonitor();
+		final String stamp= "Synch"+System.nanoTime(); //$NON-NLS-1$
+		final AtomicBoolean patternFound= new AtomicBoolean(false);
+		final IStreamListener listener= new IStreamListener() {
 			
-			private String lastLine = ""; //$NON-NLS-1$
+			private String lastLine= ""; //$NON-NLS-1$
 			
 			@Override
 			public void streamAppended(final String text, final IStreamMonitor monitor) {
@@ -416,12 +419,12 @@
 					found();
 					return;
 				}
-				final String[] lines = RUtil.LINE_SEPARATOR_PATTERN.split(text, -1);
+				final String[] lines= RUtil.LINE_SEPARATOR_PATTERN.split(text, -1);
 				if ((this.lastLine + lines[0]).contains(stamp)) {
 					found();
 					return;
 				}
-				this.lastLine = lines[lines.length-1];
+				this.lastLine= lines[lines.length-1];
 			}
 			
 			private void found() {
@@ -432,7 +435,7 @@
 		};
 		try {
 			stream.addListener(listener);
-			submitToConsole("cat(\""+stamp+"\\n\");", m); //$NON-NLS-1$ //$NON-NLS-2$
+			submitToConsole("cat(\"" + stamp + "\\n\");", m); //$NON-NLS-1$ //$NON-NLS-2$
 			while (!patternFound.get()) {
 				if (m.isCanceled()) {
 					throw cancelTask();
@@ -444,23 +447,23 @@
 					// continue directly
 				}
 			}
-			return Pattern.compile("(?:"+Pattern.quote(getWorkspaceData().getDefaultPrompt().text) + ")?"+stamp); //$NON-NLS-1$ //$NON-NLS-2$
+			return Pattern.compile("(?:" + Pattern.quote(getWorkspaceData().getDefaultPrompt().text) + ")?" + stamp); //$NON-NLS-1$ //$NON-NLS-2$
 		}
 		finally {
 			stream.removeListener(listener);
 		}
 	}
 	
-	private StringBuilder readOutputLine(final String command,
+	private @Nullable StringBuilder readOutputLine(final String command,
 			final ProgressMonitor m) throws StatusException {
-		final ToolStreamMonitor stream = getStreams().getOutputStreamMonitor();
-		final StringBuilder output = new StringBuilder();
-		final AtomicBoolean patternFound = new AtomicBoolean(false);
-		final IStreamListener listener = new IStreamListener() {
+		final ToolStreamMonitor stream= getStreams().getOutputStreamMonitor();
+		final StringBuilder output= new StringBuilder();
+		final AtomicBoolean patternFound= new AtomicBoolean(false);
+		final IStreamListener listener= new IStreamListener() {
 			
 			@Override
 			public void streamAppended(final String text, final IStreamMonitor monitor) {
-				final Matcher matcher = RUtil.LINE_SEPARATOR_PATTERN.matcher(text);
+				final Matcher matcher= RUtil.LINE_SEPARATOR_PATTERN.matcher(text);
 				if (matcher.find()) {
 					output.append(text.substring(0, matcher.start()));
 					found();
diff --git a/r/org.eclipse.statet.r.console.core/src/org/eclipse/statet/r/nico/impl/RjsController.java b/r/org.eclipse.statet.r.console.core/src/org/eclipse/statet/r/nico/impl/RjsController.java
index a6b74f1..067977e 100644
--- a/r/org.eclipse.statet.r.console.core/src/org/eclipse/statet/r/nico/impl/RjsController.java
+++ b/r/org.eclipse.statet.r.console.core/src/org/eclipse/statet/r/nico/impl/RjsController.java
@@ -92,8 +92,8 @@
 import org.eclipse.statet.r.core.model.RSourceUnitModelInfo;
 import org.eclipse.statet.r.core.model.RWorkspaceSourceUnit;
 import org.eclipse.statet.r.core.rsource.ast.FDef;
-import org.eclipse.statet.r.core.rsource.ast.RAsts;
 import org.eclipse.statet.r.core.rsource.ast.RAstNode;
+import org.eclipse.statet.r.core.rsource.ast.RAsts;
 import org.eclipse.statet.r.core.tool.IRConsoleService;
 import org.eclipse.statet.r.nico.AbstractRDbgController;
 import org.eclipse.statet.r.nico.ICombinedRDataAdapter;
@@ -226,7 +226,7 @@
 	public static final int RJS_SETUP_CONSOLE= 1 << 8;
 	
 	
-	private static final LtkModelElementFilter<RLangSourceElement> TAG_ELEMENT_FILTER= new LtkModelElementFilter<RLangSourceElement>() {
+	private static final LtkModelElementFilter<RLangSourceElement> TAG_ELEMENT_FILTER= new LtkModelElementFilter<>() {
 		@Override
 		public boolean include(final RLangSourceElement element) {
 			return ((element.getElementType() & RElement.MASK_C1) == RElement.C1_METHOD);
@@ -692,7 +692,7 @@
 			
 			final List<Status> warnings= new ArrayList<>();
 			
-			initTracks(info.getDirectory(), m.newSubMonitor(1), warnings);
+			initTracks(m.newSubMonitor(1), warnings);
 			
 			if ((this.rjsFlags & RJS_SETUP_CONSOLE) != 0 && !this.startupsRunnables.isEmpty()) {
 				getQueue().add(this.startupsRunnables);