diff --git a/.idea/runConfigurations/Integration_Tests.xml b/.idea/runConfigurations/Integration_Tests.xml
index 6f516f4adba..4f0e5c55cdf 100644
--- a/.idea/runConfigurations/Integration_Tests.xml
+++ b/.idea/runConfigurations/Integration_Tests.xml
@@ -23,8 +23,14 @@
     </option>
     <envs />
     <patterns />
+    <RunnerSettings RunnerId="Debug">
+      <option name="DEBUG_PORT" value="" />
+      <option name="TRANSPORT" value="0" />
+      <option name="LOCAL" value="true" />
+    </RunnerSettings>
     <RunnerSettings RunnerId="Profile " />
     <RunnerSettings RunnerId="Run" />
+    <ConfigurationWrapper RunnerId="Debug" />
     <ConfigurationWrapper RunnerId="Run" />
     <method />
   </configuration>
diff --git a/ant/src/org/jetbrains/jet/buildtools/ant/Kotlin2JsTask.kt b/ant/src/org/jetbrains/jet/buildtools/ant/Kotlin2JsTask.kt
index f43e6e5e7b9..c75dbf28907 100644
--- a/ant/src/org/jetbrains/jet/buildtools/ant/Kotlin2JsTask.kt
+++ b/ant/src/org/jetbrains/jet/buildtools/ant/Kotlin2JsTask.kt
@@ -21,10 +21,6 @@ import org.jetbrains.jet.cli.common.arguments.K2JSCompilerArguments
 import org.jetbrains.jet.cli.js.K2JSCompiler
 import java.io.File
 
-/**
- * Kotlin JavaScript compiler Ant task.
- * http://evgeny-goldin.org/javadoc/ant/tutorial-writing-tasks.html
- */
 public class Kotlin2JsTask : KotlinCompilerBaseTask<K2JSCompilerArguments>() {
     override val arguments = K2JSCompilerArguments()
     override val compiler = K2JSCompiler()
@@ -52,13 +48,13 @@ public class Kotlin2JsTask : KotlinCompilerBaseTask<K2JSCompilerArguments>() {
     }
 
     override fun fillSpecificArguments() {
-        arguments.outputFile = getPath(output!!)
+        arguments.outputFile = output!!.canonicalPath
 
         arguments.noStdlib = noStdlib
 
         // TODO: write test
         library?.let {
-            arguments.libraryFiles = it.list().map { getPath(File(it)) }.copyToArray()
+            arguments.libraryFiles = it.list().map { File(it).canonicalPath }.copyToArray()
         }
 
         arguments.outputPrefix = outputPrefix?.canonicalPath
diff --git a/ant/src/org/jetbrains/jet/buildtools/ant/Kotlin2JvmTask.kt b/ant/src/org/jetbrains/jet/buildtools/ant/Kotlin2JvmTask.kt
index 3e9abf7e7ee..6585934c330 100644
--- a/ant/src/org/jetbrains/jet/buildtools/ant/Kotlin2JvmTask.kt
+++ b/ant/src/org/jetbrains/jet/buildtools/ant/Kotlin2JvmTask.kt
@@ -18,24 +18,12 @@ package org.jetbrains.jet.buildtools.ant
 
 import org.apache.tools.ant.types.Path
 import org.apache.tools.ant.types.Reference
-
+import org.jetbrains.jet.cli.jvm.K2JVMCompiler
+import org.jetbrains.jet.cli.common.arguments.K2JVMCompilerArguments
 import java.io.File
 import java.io.File.pathSeparator
 
-import org.jetbrains.jet.cli.jvm.K2JVMCompiler
-import org.jetbrains.jet.cli.common.arguments.K2JVMCompilerArguments
-import com.intellij.openapi.util.io.FileUtilRt
-
-
-/**
- * Kotlin bytecode compiler Ant task.
- * <p/>
- * See
- * http://evgeny-goldin.org/javadoc/ant/tutorial-writing-tasks.html
- * http://evgeny-goldin.org/javadoc/ant/develop.html
- * http://svn.apache.org/viewvc/ant/core/trunk/src/main/org/apache/tools/ant/taskdefs/Javac.java?view=markup.
- */
-public class  Kotlin2JvmTask : KotlinCompilerBaseTask<K2JVMCompilerArguments>() {
+public class Kotlin2JvmTask : KotlinCompilerBaseTask<K2JVMCompilerArguments>() {
     override val arguments = K2JVMCompilerArguments()
     override val compiler = K2JVMCompiler()
 
@@ -51,43 +39,28 @@ public class  Kotlin2JvmTask : KotlinCompilerBaseTask<K2JVMCompilerArguments>()
         return externalAnnotations!!.createPath()
     }
 
-    /**
-     * Set the classpath to be used for this compilation.
-     *
-     * @param classpath an Ant Path object containing the compilation classpath.
-     */
     public fun setClasspath(classpath: Path) {
-        if (this.compileClasspath == null) {
-            this.compileClasspath = classpath
+        if (compileClasspath == null) {
+            compileClasspath = classpath
         }
         else {
-            this.compileClasspath!!.append(classpath)
+            compileClasspath!!.append(classpath)
         }
     }
 
-    /**
-     * Adds a reference to a classpath defined elsewhere.
-     *
-     * @param ref a reference to a classpath.
-     */
     public fun setClasspathRef(ref: Reference) {
-        if (this.compileClasspath == null) {
-            this.compileClasspath = Path(getProject())
+        if (compileClasspath == null) {
+            compileClasspath = Path(getProject())
         }
-        this.compileClasspath!!.createPath().setRefid(ref)
+        compileClasspath!!.createPath().setRefid(ref)
     }
 
-    /**
-     * Set the nested {@code <classpath>} to be used for this compilation.
-     *
-     * @param classpath an Ant Path object containing the compilation classpath.
-     */
     public fun addConfiguredClasspath(classpath: Path) {
         setClasspath(classpath)
     }
 
     override fun fillSpecificArguments() {
-        arguments.destination = getPath(output!!)
+        arguments.destination = output!!.canonicalPath
 
         val classpath = arrayListOf<String>()
         compileClasspath?.let { classpath.addAll(it.list()) }
diff --git a/ant/src/org/jetbrains/jet/buildtools/ant/KotlinCompilerBaseTask.kt b/ant/src/org/jetbrains/jet/buildtools/ant/KotlinCompilerBaseTask.kt
index 17afd5695eb..11cd18a0061 100644
--- a/ant/src/org/jetbrains/jet/buildtools/ant/KotlinCompilerBaseTask.kt
+++ b/ant/src/org/jetbrains/jet/buildtools/ant/KotlinCompilerBaseTask.kt
@@ -19,7 +19,6 @@ package org.jetbrains.jet.buildtools.ant
 import org.apache.tools.ant.Task
 import org.apache.tools.ant.types.Path
 import org.apache.tools.ant.types.Reference
-import org.jetbrains.jet.cli.common.messages.MessageCollectorPlainTextToStream
 import java.io.File
 import org.apache.tools.ant.BuildException
 import org.jetbrains.jet.cli.common.ExitCode
@@ -27,25 +26,9 @@ import org.jetbrains.jet.cli.common.arguments.CommonCompilerArguments
 import org.jetbrains.jet.cli.common.CLICompiler
 import org.apache.tools.ant.types.Commandline
 import com.sampullara.cli.Args
-import java.io.IOException
-import org.jetbrains.jet.config
 import org.jetbrains.jet.cli.common.messages.PrintingMessageCollector
 import org.jetbrains.jet.cli.common.messages.MessageRenderer
-
-/**
- * {@code file.getCanonicalPath()} convenience wrapper.
- *
- * @param file - file to get its canonical path.
- * @return file's canonical path
- */
-fun getPath(file: File): String {
-    try {
-        return file.getCanonicalPath()
-    }
-    catch (e: IOException) {
-        throw RuntimeException("Failed to resolve canonical file of [$file]: $e", e)
-    }
-}
+import org.jetbrains.jet.config.Services
 
 /**
  * Base class for Kotlin compiler Ant tasks.
@@ -90,7 +73,7 @@ public abstract class KotlinCompilerBaseTask<T : CommonCompilerArguments> : Task
 
     private fun fillArguments() {
         val sourcePaths = src ?: throw BuildException("\"src\" should be specified")
-        arguments.freeArgs = sourcePaths.list().map { getPath(File(it)) }
+        arguments.freeArgs = sourcePaths.list().map { File(it).canonicalPath }
 
         output ?: throw BuildException("\"output\" should be specified")
 
@@ -98,7 +81,7 @@ public abstract class KotlinCompilerBaseTask<T : CommonCompilerArguments> : Task
         arguments.verbose = verbose
         arguments.version = printVersion
 
-        val args = additionalArguments.flatMap { it.getParts()!!.toList() }
+        val args = additionalArguments.flatMap { it.getParts().toList() }
         try {
             Args.parse(arguments, args.copyToArray())
         }
@@ -109,15 +92,13 @@ public abstract class KotlinCompilerBaseTask<T : CommonCompilerArguments> : Task
         fillSpecificArguments()
     }
 
-    final override fun execute(): Unit {
+    final override fun execute() {
         fillArguments()
 
-        val outputPath = getPath(output!!)
-
-        log("Compiling ${arguments.freeArgs} => [${outputPath}]");
+        log("Compiling ${arguments.freeArgs} => [${output!!.canonicalPath}]");
 
         val collector = PrintingMessageCollector(System.err, MessageRenderer.PLAIN, arguments.verbose)
-        val exitCode = compiler.exec(collector, config.Services.EMPTY, arguments)
+        val exitCode = compiler.exec(collector, Services.EMPTY, arguments)
 
         if (exitCode != ExitCode.OK) {
             throw BuildException("Compilation finished with exit code $exitCode")