diagnostics info for rake tasks reload script

platform/lang-impl/src/com/intellij/execution/ExecutionHelper.java

@@ -88,7 +88,7 @@ public class ExecutionHelper {
           return;
         }
         for (final Exception exception : exceptionList) {
-          String[] messages = new String[]{exception.getMessage()};
+          String[] messages = StringUtil.splitByLines(exception.getMessage());
           if (messages.length == 0) messages = new String[]{"Unknown Error"};
           errorTreeView.addMessage(MessageCategory.ERROR, messages, file, -1, -1, null);
         }

platform/util/src/com/intellij/openapi/util/text/StringUtil.java

@@ -34,11 +34,13 @@ import java.io.PrintWriter;
 import java.io.StringWriter;
 import java.text.DateFormat;
 import java.util.*;
+import java.util.regex.Pattern;
 
 //TeamCity inherits StringUtil: do not add private constructors!!!
 public class StringUtil {
   private static final Logger LOG = Logger.getInstance("#com.intellij.openapi.util.text.StringUtil");
   @NonNls private static final String VOWELS = "aeiouy";
+  private static final Pattern EOL_SPLIT_PATTERN = Pattern.compile(" *(\r|\n|\r\n)+ *");
 
   public static String replace(@NonNls @NotNull String text, @NonNls @NotNull String oldS, @NonNls @Nullable String newS) {
     return replace(text, oldS, newS, false);
@@ -1600,4 +1602,14 @@ public class StringUtil {
   public static String tail(@NotNull String s, final int idx) {
     return idx >= s.length() ? "" : s.substring(idx, s.length());
   }
+
+  /**
+   * Splits string by lines.
+   *
+   * @param string String to split
+   * @return array of strings
+   */
+  public static String[] splitByLines(final String string) {
+    return EOL_SPLIT_PATTERN.split(string);
+  }
 }