diff --git a/plugins/tasks/tasks-core/src/com/intellij/tasks/generic/GenericRepository.java b/plugins/tasks/tasks-core/src/com/intellij/tasks/generic/GenericRepository.java
index d22709f01038..d0bf0a1ee394 100644
--- a/plugins/tasks/tasks-core/src/com/intellij/tasks/generic/GenericRepository.java
+++ b/plugins/tasks/tasks-core/src/com/intellij/tasks/generic/GenericRepository.java
@@ -8,6 +8,7 @@ import com.intellij.tasks.Task;
 import com.intellij.tasks.TaskRepositorySubtype;
 import com.intellij.tasks.TaskRepositoryType;
 import com.intellij.tasks.impl.BaseRepositoryImpl;
+import com.intellij.tasks.impl.TaskUtil;
 import com.intellij.util.containers.ContainerUtil;
 import com.intellij.util.net.HTTPMethod;
 import com.intellij.util.xmlb.annotations.AbstractCollection;
@@ -21,6 +22,7 @@ import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
 import javax.swing.*;
+import java.io.InputStream;
 import java.util.*;
 
 import static com.intellij.tasks.generic.GenericRepositoryUtil.concat;
@@ -205,16 +207,26 @@ public class GenericRepository extends BaseRepositoryImpl {
       Header contentType = method.getResponseHeader("Content-Type");
       if (contentType != null && contentType.getValue().contains("charset")) {
         // ISO-8859-1 if charset wasn't specified in response
-        responseBody = method.getResponseBodyAsString();
+        responseBody = StringUtil.notNullize(method.getResponseBodyAsString());
       }
       else {
-        responseBody = StreamUtil.readText(method.getResponseBodyAsStream(), "utf-8");
+        InputStream stream = method.getResponseBodyAsStream();
+        responseBody = stream == null? "": StreamUtil.readText(stream, "utf-8");
       }
     }
     finally {
       method.releaseConnection();
     }
-    LOG.debug(responseBody);
+    switch (getResponseType()) {
+      case XML:
+        TaskUtil.prettyFormatXmlToLog(LOG, responseBody);
+        break;
+      case JSON:
+        TaskUtil.prettyFormatJsonToLog(LOG, responseBody);
+        break;
+      default:
+        LOG.debug(responseBody);
+    }
     LOG.debug("Status code is " + method.getStatusCode());
     if (method.getStatusCode() != HttpStatus.SC_OK) {
       throw new Exception("Request failed with HTTP error: " + method.getStatusText());
diff --git a/plugins/tasks/tasks-core/src/com/intellij/tasks/impl/TaskUtil.java b/plugins/tasks/tasks-core/src/com/intellij/tasks/impl/TaskUtil.java
index 9ba01c45dd8a..a94f9e8dc7bc 100644
--- a/plugins/tasks/tasks-core/src/com/intellij/tasks/impl/TaskUtil.java
+++ b/plugins/tasks/tasks-core/src/com/intellij/tasks/impl/TaskUtil.java
@@ -16,6 +16,9 @@
 
 package com.intellij.tasks.impl;
 
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+import com.google.gson.JsonElement;
 import com.intellij.openapi.diagnostic.Logger;
 import com.intellij.openapi.util.Comparing;
 import com.intellij.openapi.util.JDOMUtil;
@@ -145,23 +148,23 @@ public class TaskUtil {
   }
 
   /**
-   * Print pretty-formatted XML in {@code logger} if its level is DEBUG or below
+   * Print pretty-formatted XML to {@code logger} if its level is DEBUG or below
    */
   public static void prettyFormatXmlToLog(@NotNull Logger logger, @NotNull Element element) {
     if (logger.isDebugEnabled()) {
       // alternatively
       //new XMLOutputter(Format.getPrettyFormat()).outputString(root)
-      logger.debug(JDOMUtil.createOutputter("\n").outputString(element));
+      logger.debug("\n" + JDOMUtil.createOutputter("\n").outputString(element));
     }
   }
 
   /**
-   * Parse and print pretty-formatted XML in {@code logger} if its level is DEBUG or below
+   * Parse and print pretty-formatted XML to {@code logger} if its level is DEBUG or below
    */
-  public static void prettyFormatXmlToLog(@NotNull Logger logger, @NotNull InputStream xmlStream) {
+  public static void prettyFormatXmlToLog(@NotNull Logger logger, @NotNull InputStream xml) {
     if (logger.isDebugEnabled()) {
       try {
-        logger.debug(JDOMUtil.createOutputter("\n").outputString(JDOMUtil.loadDocument(xmlStream)));
+        logger.debug("\n" + JDOMUtil.createOutputter("\n").outputString(JDOMUtil.loadDocument(xml)));
       }
       catch (Exception e) {
         logger.debug(e);
@@ -170,16 +173,26 @@ public class TaskUtil {
   }
 
   /**
-   * Parse and print pretty-formatted XML in {@code logger} if its level is DEBUG or below
+   * Parse and print pretty-formatted XML to {@code logger} if its level is DEBUG or below
    */
-  public static void prettyFormatXmlToLog(@NotNull Logger logger, @NotNull String xmlString) {
+  public static void prettyFormatXmlToLog(@NotNull Logger logger, @NotNull String xml) {
     if (logger.isDebugEnabled()) {
       try {
-        logger.debug(JDOMUtil.createOutputter("\n").outputString(JDOMUtil.loadDocument(xmlString)));
+        logger.debug("\n" + JDOMUtil.createOutputter("\n").outputString(JDOMUtil.loadDocument(xml)));
       }
       catch (Exception e) {
         logger.debug(e);
       }
     }
   }
+
+  /**
+   * Parse and print pretty-formatted Json to {@code logger} if its level is DEBUG or below
+   */
+  public static void prettyFormatJsonToLog(@NotNull Logger logger, @NotNull String json) {
+    if (logger.isDebugEnabled()) {
+      Gson gson = new GsonBuilder().setPrettyPrinting().create();
+      logger.debug("\n" + gson.toJson(gson.fromJson(json, JsonElement.class)));
+    }
+  }
 }