This is an automated email from the ASF dual-hosted git repository.

bertty pushed a commit to branch main
in repository https://gitbox.apache.org/repos/asf/incubator-wayang.git


The following commit(s) were added to refs/heads/main by this push:
     new f4dfbe3  [RELEASE][PREPARATION] rollback to the version 0.6.0-snapshot
f4dfbe3 is described below

commit f4dfbe3375ef00b48465878a973a9cf607ce5c5b
Author: bertty <[email protected]>
AuthorDate: Wed Dec 1 19:21:11 2021 +0100

    [RELEASE][PREPARATION] rollback to the version 0.6.0-snapshot
---
 bin/rollback_release.sh                                  |  0
 pom.xml                                                  |  4 ++--
 wayang-api/pom.xml                                       |  4 ++--
 wayang-api/wayang-api-python/pom.xml                     |  4 ++--
 wayang-api/wayang-api-scala-java/pom.xml                 | 16 ++++++++--------
 .../wayang-api-scala-java_2.11/pom.xml                   |  4 ++--
 .../wayang-api-scala-java_2.12/pom.xml                   |  4 ++--
 wayang-benchmark/pom.xml                                 | 14 +++++++-------
 wayang-benchmark/wayang-benchmark_2.11/pom.xml           |  6 +++---
 wayang-benchmark/wayang-benchmark_2.12/pom.xml           |  6 +++---
 wayang-commons/pom.xml                                   |  4 ++--
 wayang-commons/wayang-basic/pom.xml                      |  8 ++++----
 wayang-commons/wayang-core/pom.xml                       |  6 +++---
 wayang-commons/wayang-utils-profile-db/pom.xml           |  2 +-
 wayang-docs/pom.xml                                      |  2 +-
 wayang-platforms/pom.xml                                 |  6 +++---
 wayang-platforms/wayang-flink/pom.xml                    | 10 +++++-----
 wayang-platforms/wayang-flink/wayang-flink_2.11/pom.xml  |  2 +-
 wayang-platforms/wayang-flink/wayang-flink_2.12/pom.xml  |  2 +-
 wayang-platforms/wayang-giraph/pom.xml                   | 10 +++++-----
 wayang-platforms/wayang-graphchi/pom.xml                 | 10 +++++-----
 wayang-platforms/wayang-java/pom.xml                     |  8 ++++----
 wayang-platforms/wayang-jdbc-template/pom.xml            | 12 ++++++------
 wayang-platforms/wayang-postgres/pom.xml                 |  8 ++++----
 wayang-platforms/wayang-spark/pom.xml                    | 10 +++++-----
 wayang-platforms/wayang-spark/wayang-spark_2.11/pom.xml  |  4 ++--
 wayang-platforms/wayang-spark/wayang-spark_2.12/pom.xml  |  2 +-
 wayang-platforms/wayang-sqlite3/pom.xml                  | 10 +++++-----
 wayang-plugins/pom.xml                                   |  4 ++--
 wayang-plugins/wayang-iejoin/pom.xml                     | 10 +++++-----
 wayang-plugins/wayang-iejoin/wayang-iejoin_2.11/pom.xml  |  4 ++--
 wayang-plugins/wayang-iejoin/wayang-iejoin_2.12/pom.xml  |  4 ++--
 wayang-profiler/pom.xml                                  | 14 +++++++-------
 wayang-profiler/wayang-profiler_2.11/pom.xml             |  6 +++---
 wayang-profiler/wayang-profiler_2.12/pom.xml             |  4 ++--
 wayang-resources/pom.xml                                 |  2 +-
 wayang-tests-integration/pom.xml                         | 12 ++++++------
 .../wayang-tests-integration_2.11/pom.xml                | 10 +++++-----
 .../wayang-tests-integration_2.12/pom.xml                |  8 ++++----
 39 files changed, 128 insertions(+), 128 deletions(-)

diff --git a/bin/rollback_release.sh b/bin/rollback_release.sh
old mode 100644
new mode 100755
diff --git a/pom.xml b/pom.xml
index c56c297..4a0c88f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -28,7 +28,7 @@
 
     <groupId>org.apache.wayang</groupId>
     <artifactId>wayang</artifactId>
-    <version>0.6.1-SNAPSHOT</version>
+    <version>0.6.0-SNAPSHOT</version>
     <packaging>pom</packaging>
 
     <name>Apache Wayang (incubating)</name>
@@ -175,7 +175,7 @@
                 <dependency>
                     <groupId>org.apache.wayang</groupId>
                     <artifactId>wayang-resources</artifactId>
-                    <version>0.6.1-SNAPSHOT</version>
+                    <version>0.6.0-SNAPSHOT</version>
                     <type>zip</type>
                     <optional>true</optional>
                 </dependency>
diff --git a/wayang-api/pom.xml b/wayang-api/pom.xml
index e31751b..4755a8c 100644
--- a/wayang-api/pom.xml
+++ b/wayang-api/pom.xml
@@ -23,11 +23,11 @@
     <parent>
         <artifactId>wayang</artifactId>
         <groupId>org.apache.wayang</groupId>
-        <version>0.6.1-SNAPSHOT</version>
+        <version>0.6.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>wayang-api</artifactId>
-    <version>0.6.1-SNAPSHOT</version>
+    <version>0.6.0-SNAPSHOT</version>
     <packaging>pom</packaging>
 
     <name>Wayang API</name>
diff --git a/wayang-api/wayang-api-python/pom.xml 
b/wayang-api/wayang-api-python/pom.xml
index 5a3ad44..9becbb2 100644
--- a/wayang-api/wayang-api-python/pom.xml
+++ b/wayang-api/wayang-api-python/pom.xml
@@ -23,11 +23,11 @@
     <parent>
         <artifactId>wayang-api</artifactId>
         <groupId>org.apache.wayang</groupId>
-        <version>0.6.1-SNAPSHOT</version>
+        <version>0.6.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>wayang-api-python</artifactId>
-    <version>0.6.1-SNAPSHOT</version>
+    <version>0.6.0-SNAPSHOT</version>
 
     <name>Wayang API Python</name>
     <description>Wayang implementation of an API of Python to be enable to 
work with code writed in python</description>
diff --git a/wayang-api/wayang-api-scala-java/pom.xml 
b/wayang-api/wayang-api-scala-java/pom.xml
index b160e87..98cbad0 100644
--- a/wayang-api/wayang-api-scala-java/pom.xml
+++ b/wayang-api/wayang-api-scala-java/pom.xml
@@ -24,11 +24,11 @@
   <parent>
         <artifactId>wayang-api</artifactId>
         <groupId>org.apache.wayang</groupId>
-        <version>0.6.1-SNAPSHOT</version>
+        <version>0.6.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>wayang-api-scala-java</artifactId>
-    <version>0.6.1-SNAPSHOT</version>
+    <version>0.6.0-SNAPSHOT</version>
 
     <name>Wayang API Scala-Java</name>
     <description>Wayang implementation of an API of Scala-Java to be enable to 
work in functional style</description>
@@ -42,7 +42,7 @@
             <dependency>
                 <groupId>org.apache.wayang</groupId>
                 <artifactId>wayang-commons</artifactId>
-                <version>0.6.1-SNAPSHOT</version>
+                <version>0.6.0-SNAPSHOT</version>
                 <type>pom</type>
                 <scope>import</scope>
             </dependency>
@@ -53,17 +53,17 @@
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-core</artifactId>
-            <version>0.6.1-SNAPSHOT</version>
+            <version>0.6.0-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-basic</artifactId>
-            <version>0.6.1-SNAPSHOT</version>
+            <version>0.6.0-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-utils-profile-db</artifactId>
-            <version>0.6.1-SNAPSHOT</version>
+            <version>0.6.0-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.apache.commons</groupId>
@@ -73,13 +73,13 @@
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-java</artifactId>
-            <version>0.6.1-SNAPSHOT</version>
+            <version>0.6.0-SNAPSHOT</version>
             <scope>test</scope>
         </dependency>
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-sqlite3</artifactId>
-            <version>0.6.1-SNAPSHOT</version>
+            <version>0.6.0-SNAPSHOT</version>
             <scope>test</scope>
         </dependency>
         <dependency>
diff --git 
a/wayang-api/wayang-api-scala-java/wayang-api-scala-java_2.11/pom.xml 
b/wayang-api/wayang-api-scala-java/wayang-api-scala-java_2.11/pom.xml
index 9529ec0..861014e 100644
--- a/wayang-api/wayang-api-scala-java/wayang-api-scala-java_2.11/pom.xml
+++ b/wayang-api/wayang-api-scala-java/wayang-api-scala-java_2.11/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <artifactId>wayang-api-scala-java</artifactId>
     <groupId>org.apache.wayang</groupId>
-    <version>0.6.1-SNAPSHOT</version>
+    <version>0.6.0-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
@@ -31,7 +31,7 @@
     <dependency>
       <groupId>org.apache.wayang</groupId>
       <artifactId>wayang-spark_2.11</artifactId>
-      <version>0.6.1-SNAPSHOT</version>
+      <version>0.6.0-SNAPSHOT</version>
       <scope>test</scope>
     </dependency>
     <dependency>
diff --git 
a/wayang-api/wayang-api-scala-java/wayang-api-scala-java_2.12/pom.xml 
b/wayang-api/wayang-api-scala-java/wayang-api-scala-java_2.12/pom.xml
index 455f349..edc5dd3 100644
--- a/wayang-api/wayang-api-scala-java/wayang-api-scala-java_2.12/pom.xml
+++ b/wayang-api/wayang-api-scala-java/wayang-api-scala-java_2.12/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <artifactId>wayang-api-scala-java</artifactId>
     <groupId>org.apache.wayang</groupId>
-    <version>0.6.1-SNAPSHOT</version>
+    <version>0.6.0-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
@@ -31,7 +31,7 @@
     <dependency>
       <groupId>org.apache.wayang</groupId>
       <artifactId>wayang-spark_2.12</artifactId>
-      <version>0.6.1-SNAPSHOT</version>
+      <version>0.6.0-SNAPSHOT</version>
       <scope>test</scope>
     </dependency>
     <dependency>
diff --git a/wayang-benchmark/pom.xml b/wayang-benchmark/pom.xml
index f230ee0..bde6523 100644
--- a/wayang-benchmark/pom.xml
+++ b/wayang-benchmark/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <artifactId>wayang</artifactId>
     <groupId>org.apache.wayang</groupId>
-    <version>0.6.1-SNAPSHOT</version>
+    <version>0.6.0-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
@@ -32,32 +32,32 @@
     <dependency>
       <groupId>org.apache.wayang</groupId>
       <artifactId>wayang-core</artifactId>
-      <version>0.6.1-SNAPSHOT</version>
+      <version>0.6.0-SNAPSHOT</version>
     </dependency>
     <dependency>
       <groupId>org.apache.wayang</groupId>
       <artifactId>wayang-basic</artifactId>
-      <version>0.6.1-SNAPSHOT</version>
+      <version>0.6.0-SNAPSHOT</version>
     </dependency>
     <dependency>
       <groupId>org.apache.wayang</groupId>
       <artifactId>wayang-utils-profile-db</artifactId>
-      <version>0.6.1-SNAPSHOT</version>
+      <version>0.6.0-SNAPSHOT</version>
     </dependency>
     <dependency>
       <groupId>org.apache.wayang</groupId>
       <artifactId>wayang-java</artifactId>
-      <version>0.6.1-SNAPSHOT</version>
+      <version>0.6.0-SNAPSHOT</version>
     </dependency>
     <dependency>
       <groupId>org.apache.wayang</groupId>
       <artifactId>wayang-postgres</artifactId>
-      <version>0.6.1-SNAPSHOT</version>
+      <version>0.6.0-SNAPSHOT</version>
     </dependency>
     <dependency>
       <groupId>org.apache.wayang</groupId>
       <artifactId>wayang-sqlite3</artifactId>
-      <version>0.6.1-SNAPSHOT</version>
+      <version>0.6.0-SNAPSHOT</version>
     </dependency>
   </dependencies>
 
diff --git a/wayang-benchmark/wayang-benchmark_2.11/pom.xml 
b/wayang-benchmark/wayang-benchmark_2.11/pom.xml
index 127be07..9784513 100644
--- a/wayang-benchmark/wayang-benchmark_2.11/pom.xml
+++ b/wayang-benchmark/wayang-benchmark_2.11/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <artifactId>wayang-benchmark</artifactId>
     <groupId>org.apache.wayang</groupId>
-    <version>0.6.1-SNAPSHOT</version>
+    <version>0.6.0-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
@@ -31,12 +31,12 @@
     <dependency>
       <groupId>org.apache.wayang</groupId>
       <artifactId>wayang-api-scala-java_2.11</artifactId>
-      <version>0.6.1-SNAPSHOT</version>
+      <version>0.6.0-SNAPSHOT</version>
     </dependency>
     <dependency>
       <groupId>org.apache.wayang</groupId>
       <artifactId>wayang-spark_2.11</artifactId>
-      <version>0.6.1-SNAPSHOT</version>
+      <version>0.6.0-SNAPSHOT</version>
     </dependency>
     <dependency>
       <groupId>org.apache.spark</groupId>
diff --git a/wayang-benchmark/wayang-benchmark_2.12/pom.xml 
b/wayang-benchmark/wayang-benchmark_2.12/pom.xml
index e13c098..f678a6f 100644
--- a/wayang-benchmark/wayang-benchmark_2.12/pom.xml
+++ b/wayang-benchmark/wayang-benchmark_2.12/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <artifactId>wayang-benchmark</artifactId>
     <groupId>org.apache.wayang</groupId>
-    <version>0.6.1-SNAPSHOT</version>
+    <version>0.6.0-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
@@ -31,12 +31,12 @@
     <dependency>
       <groupId>org.apache.wayang</groupId>
       <artifactId>wayang-api-scala-java_2.12</artifactId>
-      <version>0.6.1-SNAPSHOT</version>
+      <version>0.6.0-SNAPSHOT</version>
     </dependency>
     <dependency>
       <groupId>org.apache.wayang</groupId>
       <artifactId>wayang-spark_2.12</artifactId>
-      <version>0.6.1-SNAPSHOT</version>
+      <version>0.6.0-SNAPSHOT</version>
     </dependency>
     <dependency>
       <groupId>org.apache.spark</groupId>
diff --git a/wayang-commons/pom.xml b/wayang-commons/pom.xml
index bb5cf3d..9b2a3ed 100644
--- a/wayang-commons/pom.xml
+++ b/wayang-commons/pom.xml
@@ -23,11 +23,11 @@
     <parent>
         <groupId>org.apache.wayang</groupId>
         <artifactId>wayang</artifactId>
-        <version>0.6.1-SNAPSHOT</version>
+        <version>0.6.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>wayang-commons</artifactId>
-    <version>0.6.1-SNAPSHOT</version>
+    <version>0.6.0-SNAPSHOT</version>
     <packaging>pom</packaging>
 
     <name>Wayang Commons</name>
diff --git a/wayang-commons/wayang-basic/pom.xml 
b/wayang-commons/wayang-basic/pom.xml
index 238cd31..10b1fa5 100644
--- a/wayang-commons/wayang-basic/pom.xml
+++ b/wayang-commons/wayang-basic/pom.xml
@@ -23,11 +23,11 @@
     <parent>
         <artifactId>wayang-commons</artifactId>
         <groupId>org.apache.wayang</groupId>
-        <version>0.6.1-SNAPSHOT</version>
+        <version>0.6.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>wayang-basic</artifactId>
-    <version>0.6.1-SNAPSHOT</version>
+    <version>0.6.0-SNAPSHOT</version>
 
     <name>Wayang Basic</name>
     <description>
@@ -38,12 +38,12 @@
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-core</artifactId>
-            <version>0.6.1-SNAPSHOT</version>
+            <version>0.6.0-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-utils-profile-db</artifactId>
-            <version>0.6.1-SNAPSHOT</version>
+            <version>0.6.0-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
diff --git a/wayang-commons/wayang-core/pom.xml 
b/wayang-commons/wayang-core/pom.xml
index 780c04a..536f97e 100644
--- a/wayang-commons/wayang-core/pom.xml
+++ b/wayang-commons/wayang-core/pom.xml
@@ -23,11 +23,11 @@
     <parent>
         <artifactId>wayang-commons</artifactId>
         <groupId>org.apache.wayang</groupId>
-        <version>0.6.1-SNAPSHOT</version>
+        <version>0.6.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>wayang-core</artifactId>
-    <version>0.6.1-SNAPSHOT</version>
+    <version>0.6.0-SNAPSHOT</version>
 
     <name>Wayang Core</name>
     <description>
@@ -87,7 +87,7 @@
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-utils-profile-db</artifactId>
-            <version>0.6.1-SNAPSHOT</version>
+            <version>0.6.0-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>
diff --git a/wayang-commons/wayang-utils-profile-db/pom.xml 
b/wayang-commons/wayang-utils-profile-db/pom.xml
index c370637..2258ed8 100644
--- a/wayang-commons/wayang-utils-profile-db/pom.xml
+++ b/wayang-commons/wayang-utils-profile-db/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <artifactId>wayang-commons</artifactId>
         <groupId>org.apache.wayang</groupId>
-        <version>0.6.1-SNAPSHOT</version>
+        <version>0.6.0-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/wayang-docs/pom.xml b/wayang-docs/pom.xml
index 6a52d2d..d5137bd 100644
--- a/wayang-docs/pom.xml
+++ b/wayang-docs/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <artifactId>wayang</artifactId>
         <groupId>org.apache.wayang</groupId>
-        <version>0.6.1-SNAPSHOT</version>
+        <version>0.6.0-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/wayang-platforms/pom.xml b/wayang-platforms/pom.xml
index 7686d70..d6b5580 100644
--- a/wayang-platforms/pom.xml
+++ b/wayang-platforms/pom.xml
@@ -23,11 +23,11 @@
     <parent>
         <artifactId>wayang</artifactId>
         <groupId>org.apache.wayang</groupId>
-        <version>0.6.1-SNAPSHOT</version>
+        <version>0.6.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>wayang-platforms</artifactId>
-    <version>0.6.1-SNAPSHOT</version>
+    <version>0.6.0-SNAPSHOT</version>
     <packaging>pom</packaging>
 
     <name>Wayang Platform</name>
@@ -51,7 +51,7 @@
             <dependency>
                 <groupId>org.apache.wayang</groupId>
                 <artifactId>wayang-commons</artifactId>
-                <version>0.6.1-SNAPSHOT</version>
+                <version>0.6.0-SNAPSHOT</version>
                 <type>pom</type>
                 <scope>import</scope>
             </dependency>
diff --git a/wayang-platforms/wayang-flink/pom.xml 
b/wayang-platforms/wayang-flink/pom.xml
index f6466ed..a8ea7c3 100644
--- a/wayang-platforms/wayang-flink/pom.xml
+++ b/wayang-platforms/wayang-flink/pom.xml
@@ -24,11 +24,11 @@
   <parent>
         <artifactId>wayang-platforms</artifactId>
         <groupId>org.apache.wayang</groupId>
-        <version>0.6.1-SNAPSHOT</version>
+        <version>0.6.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>wayang-flink</artifactId>
-    <version>0.6.1-SNAPSHOT</version>
+    <version>0.6.0-SNAPSHOT</version>
 
     <name>Wayang Platform Apache Flink</name>
     <description>
@@ -44,17 +44,17 @@
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-core</artifactId>
-            <version>0.6.1-SNAPSHOT</version>
+            <version>0.6.0-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-basic</artifactId>
-            <version>0.6.1-SNAPSHOT</version>
+            <version>0.6.0-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-java</artifactId>
-            <version>0.6.1-SNAPSHOT</version>
+            <version>0.6.0-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.apache.hadoop</groupId>
diff --git a/wayang-platforms/wayang-flink/wayang-flink_2.11/pom.xml 
b/wayang-platforms/wayang-flink/wayang-flink_2.11/pom.xml
index 45be06f..7a8ac16 100644
--- a/wayang-platforms/wayang-flink/wayang-flink_2.11/pom.xml
+++ b/wayang-platforms/wayang-flink/wayang-flink_2.11/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <artifactId>wayang-flink</artifactId>
     <groupId>org.apache.wayang</groupId>
-    <version>0.6.1-SNAPSHOT</version>
+    <version>0.6.0-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/wayang-platforms/wayang-flink/wayang-flink_2.12/pom.xml 
b/wayang-platforms/wayang-flink/wayang-flink_2.12/pom.xml
index 65047d7..651d96a 100644
--- a/wayang-platforms/wayang-flink/wayang-flink_2.12/pom.xml
+++ b/wayang-platforms/wayang-flink/wayang-flink_2.12/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <artifactId>wayang-flink</artifactId>
     <groupId>org.apache.wayang</groupId>
-    <version>0.6.1-SNAPSHOT</version>
+    <version>0.6.0-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/wayang-platforms/wayang-giraph/pom.xml 
b/wayang-platforms/wayang-giraph/pom.xml
index 5408dcf..7e1450b 100644
--- a/wayang-platforms/wayang-giraph/pom.xml
+++ b/wayang-platforms/wayang-giraph/pom.xml
@@ -23,11 +23,11 @@
     <parent>
         <artifactId>wayang-platforms</artifactId>
         <groupId>org.apache.wayang</groupId>
-        <version>0.6.1-SNAPSHOT</version>
+        <version>0.6.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>wayang-giraph</artifactId>
-    <version>0.6.1-SNAPSHOT</version>
+    <version>0.6.0-SNAPSHOT</version>
 
     <name>Wayang Platform Giraph</name>
     <description>
@@ -43,17 +43,17 @@
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-core</artifactId>
-            <version>0.6.1-SNAPSHOT</version>
+            <version>0.6.0-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-basic</artifactId>
-            <version>0.6.1-SNAPSHOT</version>
+            <version>0.6.0-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-java</artifactId>
-            <version>0.6.1-SNAPSHOT</version>
+            <version>0.6.0-SNAPSHOT</version>
         </dependency>
 
         <dependency>
diff --git a/wayang-platforms/wayang-graphchi/pom.xml 
b/wayang-platforms/wayang-graphchi/pom.xml
index be349e9..e6c4ab2 100644
--- a/wayang-platforms/wayang-graphchi/pom.xml
+++ b/wayang-platforms/wayang-graphchi/pom.xml
@@ -23,11 +23,11 @@
     <parent>
         <artifactId>wayang-platforms</artifactId>
         <groupId>org.apache.wayang</groupId>
-        <version>0.6.1-SNAPSHOT</version>
+        <version>0.6.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>wayang-graphchi_2.11</artifactId>
-    <version>0.6.1-SNAPSHOT</version>
+    <version>0.6.0-SNAPSHOT</version>
 
     <name>Wayang Graphchi</name>
     <description>
@@ -49,17 +49,17 @@
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-core</artifactId>
-            <version>0.6.1-SNAPSHOT</version>
+            <version>0.6.0-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-basic</artifactId>
-            <version>0.6.1-SNAPSHOT</version>
+            <version>0.6.0-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-java</artifactId>
-            <version>0.6.1-SNAPSHOT</version>
+            <version>0.6.0-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.apache.hadoop</groupId>
diff --git a/wayang-platforms/wayang-java/pom.xml 
b/wayang-platforms/wayang-java/pom.xml
index b64f328..2a01c4c 100644
--- a/wayang-platforms/wayang-java/pom.xml
+++ b/wayang-platforms/wayang-java/pom.xml
@@ -23,11 +23,11 @@
     <parent>
         <artifactId>wayang-platforms</artifactId>
         <groupId>org.apache.wayang</groupId>
-        <version>0.6.1-SNAPSHOT</version>
+        <version>0.6.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>wayang-java</artifactId>
-    <version>0.6.1-SNAPSHOT</version>
+    <version>0.6.0-SNAPSHOT</version>
 
     <name>Wayang Platform Java</name>
     <description>
@@ -42,13 +42,13 @@
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-core</artifactId>
-            <version>0.6.1-SNAPSHOT</version>
+            <version>0.6.0-SNAPSHOT</version>
             <scope>provided</scope>
         </dependency>
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-basic</artifactId>
-            <version>0.6.1-SNAPSHOT</version>
+            <version>0.6.0-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.apache.hadoop</groupId>
diff --git a/wayang-platforms/wayang-jdbc-template/pom.xml 
b/wayang-platforms/wayang-jdbc-template/pom.xml
index f1eabc8..b15cd20 100644
--- a/wayang-platforms/wayang-jdbc-template/pom.xml
+++ b/wayang-platforms/wayang-jdbc-template/pom.xml
@@ -23,11 +23,11 @@
     <parent>
         <artifactId>wayang-platforms</artifactId>
         <groupId>org.apache.wayang</groupId>
-        <version>0.6.1-SNAPSHOT</version>
+        <version>0.6.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>wayang-jdbc-template</artifactId>
-    <version>0.6.1-SNAPSHOT</version>
+    <version>0.6.0-SNAPSHOT</version>
 
     <name>Wayang Platform JDBC Template</name>
     <description>
@@ -44,7 +44,7 @@
             <dependency>
                 <groupId>org.apache.wayang</groupId>
                 <artifactId>wayang-commons</artifactId>
-                <version>0.6.1-SNAPSHOT</version>
+                <version>0.6.0-SNAPSHOT</version>
                 <type>pom</type>
                 <scope>import</scope>
             </dependency>
@@ -55,17 +55,17 @@
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-core</artifactId>
-            <version>0.6.1-SNAPSHOT</version>
+            <version>0.6.0-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-basic</artifactId>
-            <version>0.6.1-SNAPSHOT</version>
+            <version>0.6.0-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-java</artifactId>
-            <version>0.6.1-SNAPSHOT</version>
+            <version>0.6.0-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.hsqldb</groupId>
diff --git a/wayang-platforms/wayang-postgres/pom.xml 
b/wayang-platforms/wayang-postgres/pom.xml
index 2317986..3186c5e 100644
--- a/wayang-platforms/wayang-postgres/pom.xml
+++ b/wayang-platforms/wayang-postgres/pom.xml
@@ -23,11 +23,11 @@
     <parent>
         <artifactId>wayang-platforms</artifactId>
         <groupId>org.apache.wayang</groupId>
-        <version>0.6.1-SNAPSHOT</version>
+        <version>0.6.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>wayang-postgres</artifactId>
-    <version>0.6.1-SNAPSHOT</version>
+    <version>0.6.0-SNAPSHOT</version>
 
     <name>Wayang Platform Postgres</name>
     <description>
@@ -48,12 +48,12 @@
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-basic</artifactId>
-            <version>0.6.1-SNAPSHOT</version>
+            <version>0.6.0-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-jdbc-template</artifactId>
-            <version>0.6.1-SNAPSHOT</version>
+            <version>0.6.0-SNAPSHOT</version>
         </dependency>
     </dependencies>
 
diff --git a/wayang-platforms/wayang-spark/pom.xml 
b/wayang-platforms/wayang-spark/pom.xml
index adb6930..9891442 100644
--- a/wayang-platforms/wayang-spark/pom.xml
+++ b/wayang-platforms/wayang-spark/pom.xml
@@ -24,11 +24,11 @@
   <parent>
         <artifactId>wayang-platforms</artifactId>
         <groupId>org.apache.wayang</groupId>
-        <version>0.6.1-SNAPSHOT</version>
+        <version>0.6.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>wayang-spark</artifactId>
-    <version>0.6.1-SNAPSHOT</version>
+    <version>0.6.0-SNAPSHOT</version>
 
     <name>Wayang Platform Spark</name>
     <description>
@@ -44,18 +44,18 @@
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-core</artifactId>
-            <version>0.6.1-SNAPSHOT</version>
+            <version>0.6.0-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-basic</artifactId>
-            <version>0.6.1-SNAPSHOT</version>
+            <version>0.6.0-SNAPSHOT</version>
         </dependency>
         <!-- wayang-java is required to allow for direct communication between 
spark and java -->
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-java</artifactId>
-            <version>0.6.1-SNAPSHOT</version>
+            <version>0.6.0-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.xerial.snappy</groupId>
diff --git a/wayang-platforms/wayang-spark/wayang-spark_2.11/pom.xml 
b/wayang-platforms/wayang-spark/wayang-spark_2.11/pom.xml
index 92c4584..27a80eb 100644
--- a/wayang-platforms/wayang-spark/wayang-spark_2.11/pom.xml
+++ b/wayang-platforms/wayang-spark/wayang-spark_2.11/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <artifactId>wayang-spark</artifactId>
     <groupId>org.apache.wayang</groupId>
-    <version>0.6.1-SNAPSHOT</version>
+    <version>0.6.0-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
@@ -32,7 +32,7 @@
       <dependency>
         <groupId>org.apache.wayang</groupId>
         <artifactId>wayang-spark</artifactId>
-        <version>0.6.1-SNAPSHOT</version>
+        <version>0.6.0-SNAPSHOT</version>
         <type>pom</type>
         <scope>import</scope>
       </dependency>
diff --git a/wayang-platforms/wayang-spark/wayang-spark_2.12/pom.xml 
b/wayang-platforms/wayang-spark/wayang-spark_2.12/pom.xml
index 4f342b2..d2476fe 100644
--- a/wayang-platforms/wayang-spark/wayang-spark_2.12/pom.xml
+++ b/wayang-platforms/wayang-spark/wayang-spark_2.12/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <artifactId>wayang-spark</artifactId>
     <groupId>org.apache.wayang</groupId>
-    <version>0.6.1-SNAPSHOT</version>
+    <version>0.6.0-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/wayang-platforms/wayang-sqlite3/pom.xml 
b/wayang-platforms/wayang-sqlite3/pom.xml
index b6876c8..1a15b1f 100644
--- a/wayang-platforms/wayang-sqlite3/pom.xml
+++ b/wayang-platforms/wayang-sqlite3/pom.xml
@@ -23,11 +23,11 @@
     <parent>
         <artifactId>wayang-platforms</artifactId>
         <groupId>org.apache.wayang</groupId>
-        <version>0.6.1-SNAPSHOT</version>
+        <version>0.6.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>wayang-sqlite3</artifactId>
-    <version>0.6.1-SNAPSHOT</version>
+    <version>0.6.0-SNAPSHOT</version>
 
     <name>Wayang Platform SQLite3</name>
     <description>
@@ -44,17 +44,17 @@
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-core</artifactId>
-            <version>0.6.1-SNAPSHOT</version>
+            <version>0.6.0-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-basic</artifactId>
-            <version>0.6.1-SNAPSHOT</version>
+            <version>0.6.0-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-jdbc-template</artifactId>
-            <version>0.6.1-SNAPSHOT</version>
+            <version>0.6.0-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.xerial</groupId>
diff --git a/wayang-plugins/pom.xml b/wayang-plugins/pom.xml
index fd698f1..7178326 100644
--- a/wayang-plugins/pom.xml
+++ b/wayang-plugins/pom.xml
@@ -23,11 +23,11 @@
     <parent>
         <artifactId>wayang</artifactId>
         <groupId>org.apache.wayang</groupId>
-        <version>0.6.1-SNAPSHOT</version>
+        <version>0.6.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>wayang-plugins</artifactId>
-    <version>0.6.1-SNAPSHOT</version>
+    <version>0.6.0-SNAPSHOT</version>
     <packaging>pom</packaging>
 
     <name>Wayang Extensions</name>
diff --git a/wayang-plugins/wayang-iejoin/pom.xml 
b/wayang-plugins/wayang-iejoin/pom.xml
index 0ab8848..a4ab701 100644
--- a/wayang-plugins/wayang-iejoin/pom.xml
+++ b/wayang-plugins/wayang-iejoin/pom.xml
@@ -17,11 +17,11 @@
     <parent>
         <artifactId>wayang-plugins</artifactId>
         <groupId>org.apache.wayang</groupId>
-        <version>0.6.1-SNAPSHOT</version>
+        <version>0.6.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>wayang-iejoin</artifactId>
-    <version>0.6.1-SNAPSHOT</version>
+    <version>0.6.0-SNAPSHOT</version>
 
     <properties>
         
<java-module-name>org.apache.wayang.extensions.iejoin</java-module-name>
@@ -31,17 +31,17 @@
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-core</artifactId>
-            <version>0.6.1-SNAPSHOT</version>
+            <version>0.6.0-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-basic</artifactId>
-            <version>0.6.1-SNAPSHOT</version>
+            <version>0.6.0-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-java</artifactId>
-            <version>0.6.1-SNAPSHOT</version>
+            <version>0.6.0-SNAPSHOT</version>
         </dependency>
     </dependencies>
 
diff --git a/wayang-plugins/wayang-iejoin/wayang-iejoin_2.11/pom.xml 
b/wayang-plugins/wayang-iejoin/wayang-iejoin_2.11/pom.xml
index dda6565..810af13 100644
--- a/wayang-plugins/wayang-iejoin/wayang-iejoin_2.11/pom.xml
+++ b/wayang-plugins/wayang-iejoin/wayang-iejoin_2.11/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <artifactId>wayang-iejoin</artifactId>
     <groupId>org.apache.wayang</groupId>
-    <version>0.6.1-SNAPSHOT</version>
+    <version>0.6.0-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
@@ -31,7 +31,7 @@
     <dependency>
       <groupId>org.apache.wayang</groupId>
       <artifactId>wayang-spark_2.11</artifactId>
-      <version>0.6.1-SNAPSHOT</version>
+      <version>0.6.0-SNAPSHOT</version>
     </dependency>
     <dependency>
       <groupId>org.apache.spark</groupId>
diff --git a/wayang-plugins/wayang-iejoin/wayang-iejoin_2.12/pom.xml 
b/wayang-plugins/wayang-iejoin/wayang-iejoin_2.12/pom.xml
index e972b7b..2f49376 100644
--- a/wayang-plugins/wayang-iejoin/wayang-iejoin_2.12/pom.xml
+++ b/wayang-plugins/wayang-iejoin/wayang-iejoin_2.12/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <artifactId>wayang-iejoin</artifactId>
     <groupId>org.apache.wayang</groupId>
-    <version>0.6.1-SNAPSHOT</version>
+    <version>0.6.0-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
@@ -31,7 +31,7 @@
     <dependency>
       <groupId>org.apache.wayang</groupId>
       <artifactId>wayang-spark_2.12</artifactId>
-      <version>0.6.1-SNAPSHOT</version>
+      <version>0.6.0-SNAPSHOT</version>
     </dependency>
     <dependency>
       <groupId>org.apache.spark</groupId>
diff --git a/wayang-profiler/pom.xml b/wayang-profiler/pom.xml
index fb2ae6d..bf9fd3a 100644
--- a/wayang-profiler/pom.xml
+++ b/wayang-profiler/pom.xml
@@ -24,11 +24,11 @@
     <parent>
         <artifactId>wayang</artifactId>
         <groupId>org.apache.wayang</groupId>
-        <version>0.6.1-SNAPSHOT</version>
+        <version>0.6.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>wayang-profiler</artifactId>
-    <version>0.6.1-SNAPSHOT</version>
+    <version>0.6.0-SNAPSHOT</version>
 
     <name>Wayang Profiler</name>
     <description>Wayang Profiler allow to know the weight of each 
operator</description>
@@ -42,7 +42,7 @@
             <dependency>
                 <groupId>org.apache.wayang</groupId>
                 <artifactId>wayang-commons</artifactId>
-                <version>0.6.1-SNAPSHOT</version>
+                <version>0.6.0-SNAPSHOT</version>
                 <type>pom</type>
                 <scope>import</scope>
             </dependency>
@@ -58,22 +58,22 @@
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-java</artifactId>
-            <version>0.6.1-SNAPSHOT</version>
+            <version>0.6.0-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-postgres</artifactId>
-            <version>0.6.1-SNAPSHOT</version>
+            <version>0.6.0-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-sqlite3</artifactId>
-            <version>0.6.1-SNAPSHOT</version>
+            <version>0.6.0-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-utils-profile-db</artifactId>
-            <version>0.6.1-SNAPSHOT</version>
+            <version>0.6.0-SNAPSHOT</version>
         </dependency>
     </dependencies>
 
diff --git a/wayang-profiler/wayang-profiler_2.11/pom.xml 
b/wayang-profiler/wayang-profiler_2.11/pom.xml
index 3fb4978..6825181 100644
--- a/wayang-profiler/wayang-profiler_2.11/pom.xml
+++ b/wayang-profiler/wayang-profiler_2.11/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <artifactId>wayang-profiler</artifactId>
     <groupId>org.apache.wayang</groupId>
-    <version>0.6.1-SNAPSHOT</version>
+    <version>0.6.0-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
@@ -31,7 +31,7 @@
     <dependency>
       <groupId>org.apache.wayang</groupId>
       <artifactId>wayang-spark_2.11</artifactId>
-      <version>0.6.1-SNAPSHOT</version>
+      <version>0.6.0-SNAPSHOT</version>
     </dependency>
     <dependency>
       <groupId>org.apache.spark</groupId>
@@ -46,7 +46,7 @@
     <dependency>
       <groupId>org.apache.wayang</groupId>
       <artifactId>wayang-graphchi_2.11</artifactId>
-      <version>0.6.1-SNAPSHOT</version>
+      <version>0.6.0-SNAPSHOT</version>
       <scope>test</scope>
     </dependency>
     <dependency>
diff --git a/wayang-profiler/wayang-profiler_2.12/pom.xml 
b/wayang-profiler/wayang-profiler_2.12/pom.xml
index bf16073..0371486 100644
--- a/wayang-profiler/wayang-profiler_2.12/pom.xml
+++ b/wayang-profiler/wayang-profiler_2.12/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <artifactId>wayang-profiler</artifactId>
     <groupId>org.apache.wayang</groupId>
-    <version>0.6.1-SNAPSHOT</version>
+    <version>0.6.0-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
@@ -31,7 +31,7 @@
     <dependency>
       <groupId>org.apache.wayang</groupId>
       <artifactId>wayang-spark_2.12</artifactId>
-      <version>0.6.1-SNAPSHOT</version>
+      <version>0.6.0-SNAPSHOT</version>
     </dependency>
     <dependency>
       <groupId>org.apache.spark</groupId>
diff --git a/wayang-resources/pom.xml b/wayang-resources/pom.xml
index 3c3cffd..861a723 100644
--- a/wayang-resources/pom.xml
+++ b/wayang-resources/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <artifactId>wayang</artifactId>
         <groupId>org.apache.wayang</groupId>
-        <version>0.6.1-SNAPSHOT</version>
+        <version>0.6.0-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/wayang-tests-integration/pom.xml b/wayang-tests-integration/pom.xml
index e963299..085bf94 100644
--- a/wayang-tests-integration/pom.xml
+++ b/wayang-tests-integration/pom.xml
@@ -24,11 +24,11 @@
   <parent>
         <artifactId>wayang</artifactId>
         <groupId>org.apache.wayang</groupId>
-        <version>0.6.1-SNAPSHOT</version>
+        <version>0.6.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>wayang-tests-integration</artifactId>
-    <version>0.6.1-SNAPSHOT</version>
+    <version>0.6.0-SNAPSHOT</version>
 
     <name>Wayang Integration Test</name>
     <description>Wayang integration Tests</description>
@@ -44,25 +44,25 @@
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-java</artifactId>
-            <version>0.6.1-SNAPSHOT</version>
+            <version>0.6.0-SNAPSHOT</version>
             <scope>test</scope>
         </dependency>
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-sqlite3</artifactId>
-            <version>0.6.1-SNAPSHOT</version>
+            <version>0.6.0-SNAPSHOT</version>
             <scope>test</scope>
         </dependency>
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-postgres</artifactId>
-            <version>0.6.1-SNAPSHOT</version>
+            <version>0.6.0-SNAPSHOT</version>
             <scope>test</scope>
         </dependency>
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-giraph</artifactId>
-            <version>0.6.1-SNAPSHOT</version>
+            <version>0.6.0-SNAPSHOT</version>
             <scope>test</scope>
         </dependency>
 
diff --git a/wayang-tests-integration/wayang-tests-integration_2.11/pom.xml 
b/wayang-tests-integration/wayang-tests-integration_2.11/pom.xml
index 9461533..8f5ff74 100644
--- a/wayang-tests-integration/wayang-tests-integration_2.11/pom.xml
+++ b/wayang-tests-integration/wayang-tests-integration_2.11/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <artifactId>wayang-tests-integration</artifactId>
     <groupId>org.apache.wayang</groupId>
-    <version>0.6.1-SNAPSHOT</version>
+    <version>0.6.0-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
@@ -31,19 +31,19 @@
     <dependency>
       <groupId>org.apache.wayang</groupId>
       <artifactId>wayang-flink_2.11</artifactId>
-      <version>0.6.1-SNAPSHOT</version>
+      <version>0.6.0-SNAPSHOT</version>
       <scope>test</scope>
     </dependency>
     <dependency>
       <groupId>org.apache.wayang</groupId>
       <artifactId>wayang-spark_2.11</artifactId>
-      <version>0.6.1-SNAPSHOT</version>
+      <version>0.6.0-SNAPSHOT</version>
       <scope>test</scope>
     </dependency>
     <dependency>
       <groupId>org.apache.wayang</groupId>
       <artifactId>wayang-api-scala-java_2.11</artifactId>
-      <version>0.6.1-SNAPSHOT</version>
+      <version>0.6.0-SNAPSHOT</version>
       <scope>test</scope>
     </dependency>
 
@@ -91,7 +91,7 @@
     <dependency>
       <groupId>org.apache.wayang</groupId>
       <artifactId>wayang-graphchi_2.11</artifactId>
-      <version>0.6.1-SNAPSHOT</version>
+      <version>0.6.0-SNAPSHOT</version>
       <scope>test</scope>
     </dependency>
     <dependency>
diff --git a/wayang-tests-integration/wayang-tests-integration_2.12/pom.xml 
b/wayang-tests-integration/wayang-tests-integration_2.12/pom.xml
index eb2bd80..bf39175 100644
--- a/wayang-tests-integration/wayang-tests-integration_2.12/pom.xml
+++ b/wayang-tests-integration/wayang-tests-integration_2.12/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <artifactId>wayang-tests-integration</artifactId>
     <groupId>org.apache.wayang</groupId>
-    <version>0.6.1-SNAPSHOT</version>
+    <version>0.6.0-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
@@ -31,19 +31,19 @@
     <dependency>
       <groupId>org.apache.wayang</groupId>
       <artifactId>wayang-flink_2.12</artifactId>
-      <version>0.6.1-SNAPSHOT</version>
+      <version>0.6.0-SNAPSHOT</version>
       <scope>test</scope>
     </dependency>
     <dependency>
       <groupId>org.apache.wayang</groupId>
       <artifactId>wayang-spark_2.12</artifactId>
-      <version>0.6.1-SNAPSHOT</version>
+      <version>0.6.0-SNAPSHOT</version>
       <scope>test</scope>
     </dependency>
     <dependency>
       <groupId>org.apache.wayang</groupId>
       <artifactId>wayang-api-scala-java_2.12</artifactId>
-      <version>0.6.1-SNAPSHOT</version>
+      <version>0.6.0-SNAPSHOT</version>
       <scope>test</scope>
     </dependency>
 

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