diff --git a/third_party/src/main/java/com/jetbrains/lang/dart/ide/runner/server/DartCommandLineRunConfiguration.java b/third_party/src/main/java/com/jetbrains/lang/dart/ide/runner/server/DartCommandLineRunConfiguration.java
index 7e1ce4d8e..e45aa177a 100644
--- a/third_party/src/main/java/com/jetbrains/lang/dart/ide/runner/server/DartCommandLineRunConfiguration.java
+++ b/third_party/src/main/java/com/jetbrains/lang/dart/ide/runner/server/DartCommandLineRunConfiguration.java
@@ -45,7 +45,11 @@ public RunProfileState getState(@NotNull Executor executor, @NotNull ExecutionEn
   @Override
   public DartCommandLineRunConfiguration clone() {
     final DartCommandLineRunConfiguration clone = (DartCommandLineRunConfiguration)super.clone();
-    clone.myRunnerParameters = myRunnerParameters.clone();
-    return clone;
+      try {
+          clone.myRunnerParameters = myRunnerParameters.clone();
+      } catch (CloneNotSupportedException e) {
+          throw new RuntimeException(e);
+      }
+      return clone;
   }
 }
diff --git a/third_party/src/main/java/com/jetbrains/lang/dart/ide/runner/server/DartCommandLineRunnerParameters.java b/third_party/src/main/java/com/jetbrains/lang/dart/ide/runner/server/DartCommandLineRunnerParameters.java
index 4dea720bd..12d5b5066 100644
--- a/third_party/src/main/java/com/jetbrains/lang/dart/ide/runner/server/DartCommandLineRunnerParameters.java
+++ b/third_party/src/main/java/com/jetbrains/lang/dart/ide/runner/server/DartCommandLineRunnerParameters.java
@@ -168,7 +168,7 @@ public void check(final @NotNull Project project) throws RuntimeConfigurationErr
   }
 
   @Override
-  protected DartCommandLineRunnerParameters clone() {
+  protected DartCommandLineRunnerParameters clone() throws CloneNotSupportedException {
     try {
       final DartCommandLineRunnerParameters clone = (DartCommandLineRunnerParameters)super.clone();
       clone.myEnvs = new LinkedHashMap<>();
diff --git a/third_party/src/main/java/com/jetbrains/lang/dart/ide/runner/server/DartCommandLineRunningState.java b/third_party/src/main/java/com/jetbrains/lang/dart/ide/runner/server/DartCommandLineRunningState.java
index 5448aab3f..1f3fbff1b 100644
--- a/third_party/src/main/java/com/jetbrains/lang/dart/ide/runner/server/DartCommandLineRunningState.java
+++ b/third_party/src/main/java/com/jetbrains/lang/dart/ide/runner/server/DartCommandLineRunningState.java
@@ -45,9 +45,13 @@ public class DartCommandLineRunningState extends CommandLineState {
 
   public DartCommandLineRunningState(final @NotNull ExecutionEnvironment env) throws ExecutionException {
     super(env);
-    myRunnerParameters = ((DartRunConfiguration)env.getRunProfile()).getRunnerParameters().clone();
+      try {
+          myRunnerParameters = ((DartRunConfiguration)env.getRunProfile()).getRunnerParameters().clone();
+      } catch (CloneNotSupportedException e) {
+          throw new RuntimeException(e);
+      }
 
-    final Project project = env.getProject();
+      final Project project = env.getProject();
     try {
       myRunnerParameters.check(project);
     }
diff --git a/third_party/src/main/java/com/jetbrains/lang/dart/ide/runner/server/DartRemoteDebugConfiguration.java b/third_party/src/main/java/com/jetbrains/lang/dart/ide/runner/server/DartRemoteDebugConfiguration.java
index 868d59cff..060863eca 100644
--- a/third_party/src/main/java/com/jetbrains/lang/dart/ide/runner/server/DartRemoteDebugConfiguration.java
+++ b/third_party/src/main/java/com/jetbrains/lang/dart/ide/runner/server/DartRemoteDebugConfiguration.java
@@ -58,8 +58,12 @@ public void checkConfiguration() throws RuntimeConfigurationError {
   @Override
   public DartRemoteDebugConfiguration clone() {
     final DartRemoteDebugConfiguration clone = (DartRemoteDebugConfiguration)super.clone();
-    clone.myParameters = myParameters.clone();
-    return clone;
+      try {
+          clone.myParameters = myParameters.clone();
+      } catch (CloneNotSupportedException e) {
+          throw new RuntimeException(e);
+      }
+      return clone;
   }
 
   @Override
diff --git a/third_party/src/main/java/com/jetbrains/lang/dart/ide/runner/server/DartRemoteDebugParameters.java b/third_party/src/main/java/com/jetbrains/lang/dart/ide/runner/server/DartRemoteDebugParameters.java
index 7bd04f673..dd6e699cc 100644
--- a/third_party/src/main/java/com/jetbrains/lang/dart/ide/runner/server/DartRemoteDebugParameters.java
+++ b/third_party/src/main/java/com/jetbrains/lang/dart/ide/runner/server/DartRemoteDebugParameters.java
@@ -15,7 +15,7 @@ public void setDartProjectPath(final @NotNull String dartProjectPath) {
   }
 
   @Override
-  protected DartRemoteDebugParameters clone() {
+  protected DartRemoteDebugParameters clone() throws CloneNotSupportedException {
     try {
       return (DartRemoteDebugParameters)super.clone();
     }
diff --git a/third_party/src/main/java/com/jetbrains/lang/dart/ide/runner/test/DartTestRunConfiguration.java b/third_party/src/main/java/com/jetbrains/lang/dart/ide/runner/test/DartTestRunConfiguration.java
index d21a1bae8..794c93733 100644
--- a/third_party/src/main/java/com/jetbrains/lang/dart/ide/runner/test/DartTestRunConfiguration.java
+++ b/third_party/src/main/java/com/jetbrains/lang/dart/ide/runner/test/DartTestRunConfiguration.java
@@ -73,7 +73,11 @@ protected DartTestRunConfiguration(final Project project, final ConfigurationFac
   @Override
   public RunConfiguration clone() {
     final DartTestRunConfiguration clone = (DartTestRunConfiguration)super.clone();
-    clone.myRunnerParameters = myRunnerParameters.clone();
-    return clone;
+      try {
+          clone.myRunnerParameters = myRunnerParameters.clone();
+      } catch (CloneNotSupportedException e) {
+          throw new RuntimeException(e);
+      }
+      return clone;
   }
 }
diff --git a/third_party/src/main/java/com/jetbrains/lang/dart/ide/runner/test/DartTestRunnerParameters.java b/third_party/src/main/java/com/jetbrains/lang/dart/ide/runner/test/DartTestRunnerParameters.java
index 255e02b9d..2d184ef80 100644
--- a/third_party/src/main/java/com/jetbrains/lang/dart/ide/runner/test/DartTestRunnerParameters.java
+++ b/third_party/src/main/java/com/jetbrains/lang/dart/ide/runner/test/DartTestRunnerParameters.java
@@ -72,7 +72,7 @@ public void check(@NotNull Project project) throws RuntimeConfigurationError {
   }
 
   @Override
-  protected final DartTestRunnerParameters clone() {
+  protected final DartTestRunnerParameters clone() throws CloneNotSupportedException {
     return (DartTestRunnerParameters)super.clone();
   }