diff --git a/CHANGELOG b/CHANGELOG
index 5627716c3..e057fa970 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,9 @@
+
+05-10-16 - 4.0.0-beta2
+- reworking of message queue
+- checkstyle, findbugs
+- reworking error notifications
+
 05-02-16 - 4.0.0-beta1
 - initial beta1
 
diff --git a/README.md b/README.md
index 045398ac0..3853f1e11 100644
--- a/README.md
+++ b/README.md
@@ -8,6 +8,6 @@
 [![Download](https://api.bintray.com/packages/bintray/jcenter/com.pubnub%3Apubnub/images/download.svg)](https://bintray.com/bintray/jcenter/com.pubnub%3Apubnub/_latestVersion)
 [![Maven Central](https://img.shields.io/maven-central/v/com.pubnub/pubnub.svg)]()
 
-### [Documentation](https://gist.github.com/MaxPresman/5a457ccbd85b33d65c9ee98aaad8311e)
+### [Documentation](https://www.pubnub.com/docs/java/pubnub-java-sdk-v4)
 
 
diff --git a/build.gradle b/build.gradle
index 6e95087a3..69967b2fb 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,6 +1,7 @@
 plugins {
     id 'io.franzbecker.gradle-lombok' version '1.6'
     id 'com.github.johnrengelman.shadow' version '1.2.3'
+    id "com.bmuschko.nexus" version "2.3.1"
     id 'java'
     id 'jacoco'
     id 'maven'
@@ -57,6 +58,10 @@ checkstyle {
     toolVersion = '6.17'
 }
 
+task myJavadocs(type: Javadoc) {
+    source = sourceSets.main.allJava
+}
+
 tasks.withType(Checkstyle) {
 
     exclude '**/vendor/**', "**/PubNubError.java", "**/*Test*"
@@ -82,3 +87,15 @@ check.dependsOn jacocoTestReport
 processResources {
     expand projectVersion: project.version
 }
+
+extraArchive {
+    sources = true
+    tests = true
+    javadoc = true
+}
+
+nexus {
+    sign = true
+    repositoryUrl = 'https://oss.sonatype.org/service/local/staging/deploy/maven2/'
+    snapshotRepositoryUrl = 'https://oss.sonatype.org/content/repositories/snapshots'
+}
diff --git a/src/main/java/com/pubnub/api/PubNubError.java b/src/main/java/com/pubnub/api/PubNubError.java
index 83646c5cb..79ecb6f22 100644
--- a/src/main/java/com/pubnub/api/PubNubError.java
+++ b/src/main/java/com/pubnub/api/PubNubError.java
@@ -16,9 +16,9 @@
 @Builder
 public class PubNubError {
 
-    public final int errorCode;
-    public final int errorCodeExtended;
-    public final JsonNode errorObject;
+    private final int errorCode;
+    private final int errorCodeExtended;
+    private final JsonNode errorObject;
     /**
      * includes a message from the thrown exception (if any.)
      */