diff --git a/platform/lang-api/src/com/intellij/execution/ui/ConsoleView.java b/platform/lang-api/src/com/intellij/execution/ui/ConsoleView.java
index 6ec35cde6c72..3f2568d9c2ba 100644
--- a/platform/lang-api/src/com/intellij/execution/ui/ConsoleView.java
+++ b/platform/lang-api/src/com/intellij/execution/ui/ConsoleView.java
@@ -22,7 +22,7 @@ import com.intellij.openapi.actionSystem.AnAction;
 import org.jetbrains.annotations.NotNull;
 
 public interface ConsoleView extends ExecutionConsole {
-  void print(String s, ConsoleViewContentType contentType);
+  void print(@NotNull String s, @NotNull ConsoleViewContentType contentType);
 
   void clear();
 
diff --git a/platform/lang-impl/src/com/intellij/execution/impl/ConsoleViewImpl.java b/platform/lang-impl/src/com/intellij/execution/impl/ConsoleViewImpl.java
index 970a35f26cf5..9eed96f00cda 100644
--- a/platform/lang-impl/src/com/intellij/execution/impl/ConsoleViewImpl.java
+++ b/platform/lang-impl/src/com/intellij/execution/impl/ConsoleViewImpl.java
@@ -528,7 +528,7 @@ public class ConsoleViewImpl extends JPanel implements ConsoleView, ObservableCo
   }
 
   @Override
-  public void print(String s, final ConsoleViewContentType contentType) {
+  public void print(@NotNull String s, @NotNull ConsoleViewContentType contentType) {
     if (myInputMessageFilter == null) {
       printHyperlink(s, contentType, null);
       return;
diff --git a/platform/smRunner/src/com/intellij/execution/testframework/sm/runner/ui/SMTRunnerConsoleView.java b/platform/smRunner/src/com/intellij/execution/testframework/sm/runner/ui/SMTRunnerConsoleView.java
index 7aea8e9b6cc1..e90a6173c233 100644
--- a/platform/smRunner/src/com/intellij/execution/testframework/sm/runner/ui/SMTRunnerConsoleView.java
+++ b/platform/smRunner/src/com/intellij/execution/testframework/sm/runner/ui/SMTRunnerConsoleView.java
@@ -100,7 +100,7 @@ public class SMTRunnerConsoleView extends BaseTestsOutputConsoleView {
    * @param contentType  given type
    */
   @Override
-  public void print(final String s, final ConsoleViewContentType contentType) {
+  public void print(@NotNull final String s, @NotNull final ConsoleViewContentType contentType) {
     myResultsViewer.getRoot().addLast(new Printable() {
       public void printOn(final Printer printer) {
         printer.print(s, contentType);
diff --git a/platform/testRunner/src/com/intellij/execution/testframework/ui/BaseTestsOutputConsoleView.java b/platform/testRunner/src/com/intellij/execution/testframework/ui/BaseTestsOutputConsoleView.java
index 901fc7686a56..89bd7123b10f 100644
--- a/platform/testRunner/src/com/intellij/execution/testframework/ui/BaseTestsOutputConsoleView.java
+++ b/platform/testRunner/src/com/intellij/execution/testframework/ui/BaseTestsOutputConsoleView.java
@@ -63,7 +63,7 @@ public abstract class BaseTestsOutputConsoleView implements ConsoleView, Observa
     myConsole.attachToProcess(processHandler);
   }
 
-  public void print(final String s, final ConsoleViewContentType contentType) {
+  public void print(@NotNull final String s, @NotNull final ConsoleViewContentType contentType) {
     printNew(new Printable() {
       public void printOn(final Printer printer) {
         printer.print(s, contentType);
diff --git a/python/src/com/jetbrains/python/console/PythonConsoleView.java b/python/src/com/jetbrains/python/console/PythonConsoleView.java
index 27d964ac9121..847ea1057793 100644
--- a/python/src/com/jetbrains/python/console/PythonConsoleView.java
+++ b/python/src/com/jetbrains/python/console/PythonConsoleView.java
@@ -186,7 +186,7 @@ public class PythonConsoleView extends JPanel implements LanguageConsoleView, Ob
     myLanguageConsoleView.print(text, outputType);
   }
 
-  public void print(String text, final ConsoleViewContentType outputType) {
+  public void print(@NotNull String text, @NotNull final ConsoleViewContentType outputType) {
     detectIPython(text, outputType);
     if (PyConsoleUtil.detectIPythonEnd(text)) {
       myIsIPythonOutput = false;
diff --git a/python/src/com/jetbrains/python/console/PythonDebugLanguageConsoleView.java b/python/src/com/jetbrains/python/console/PythonDebugLanguageConsoleView.java
index 71b4e21a7605..aed068f97a0c 100644
--- a/python/src/com/jetbrains/python/console/PythonDebugLanguageConsoleView.java
+++ b/python/src/com/jetbrains/python/console/PythonDebugLanguageConsoleView.java
@@ -141,7 +141,7 @@ public class PythonDebugLanguageConsoleView extends JPanel implements ConsoleVie
   }
 
   @Override
-  public void print(String s, ConsoleViewContentType contentType) {
+  public void print(@NotNull String s, @NotNull ConsoleViewContentType contentType) {
     myPydevConsoleView.print(s, contentType);
     myTextConsole.print(s, contentType);
   }