diff --git a/docsys/pom.xml b/docsys/pom.xml
index 1f4d8adc7..0d2340839 100644
--- a/docsys/pom.xml
+++ b/docsys/pom.xml
@@ -9,7 +9,7 @@
     <parent>
         <artifactId>mvn-defaults</artifactId>
         <groupId>io.nosqlbench</groupId>
-        <version>4.15.11-SNAPSHOT</version>
+        <version>4.15.12-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -18,7 +18,7 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>nb-api</artifactId>
-            <version>4.15.11-SNAPSHOT</version>
+            <version>4.15.12-SNAPSHOT</version>
         </dependency>
 
         <dependency>
@@ -98,7 +98,7 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>virtdata-api</artifactId>
-            <version>4.15.11-SNAPSHOT</version>
+            <version>4.15.12-SNAPSHOT</version>
         </dependency>
 
     </dependencies>
diff --git a/driver-cockroachdb/pom.xml b/driver-cockroachdb/pom.xml
index 8baffafe7..53408bad3 100644
--- a/driver-cockroachdb/pom.xml
+++ b/driver-cockroachdb/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <groupId>io.nosqlbench</groupId>
         <artifactId>mvn-defaults</artifactId>
-        <version>4.15.11-SNAPSHOT</version>
+        <version>4.15.12-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -23,7 +23,7 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-jdbc</artifactId>
-            <version>4.15.11-SNAPSHOT</version>
+            <version>4.15.12-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.postgresql</groupId>
diff --git a/driver-cql-shaded/pom.xml b/driver-cql-shaded/pom.xml
index 00a6c0b85..e9f6860d8 100644
--- a/driver-cql-shaded/pom.xml
+++ b/driver-cql-shaded/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>io.nosqlbench</groupId>
         <artifactId>mvn-defaults</artifactId>
-        <version>4.15.11-SNAPSHOT</version>
+        <version>4.15.12-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -23,13 +23,13 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-api</artifactId>
-          <version>4.15.11-SNAPSHOT</version>
+          <version>4.15.12-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>drivers-api</artifactId>
-          <version>4.15.11-SNAPSHOT</version>
+          <version>4.15.12-SNAPSHOT</version>
         </dependency>
 
         <dependency>
diff --git a/driver-cqlverify/pom.xml b/driver-cqlverify/pom.xml
index 2d9f7c783..1b824573d 100644
--- a/driver-cqlverify/pom.xml
+++ b/driver-cqlverify/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>io.nosqlbench</groupId>
     <artifactId>mvn-defaults</artifactId>
-    <version>4.15.11-SNAPSHOT</version>
+    <version>4.15.12-SNAPSHOT</version>
     <relativePath>../mvn-defaults</relativePath>
   </parent>
 
@@ -24,13 +24,13 @@
     <dependency>
       <groupId>io.nosqlbench</groupId>
       <artifactId>driver-cql-shaded</artifactId>
-        <version>4.15.11-SNAPSHOT</version>
+        <version>4.15.12-SNAPSHOT</version>
     </dependency>
 
     <dependency>
       <groupId>io.nosqlbench</groupId>
       <artifactId>drivers-api</artifactId>
-        <version>4.15.11-SNAPSHOT</version>
+        <version>4.15.12-SNAPSHOT</version>
     </dependency>
 
   </dependencies>
diff --git a/driver-diag/pom.xml b/driver-diag/pom.xml
index bfc5c5450..3cb052eb5 100644
--- a/driver-diag/pom.xml
+++ b/driver-diag/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>mvn-defaults</artifactId>
         <groupId>io.nosqlbench</groupId>
-        <version>4.15.11-SNAPSHOT</version>
+        <version>4.15.12-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -20,13 +20,13 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-api</artifactId>
-            <version>4.15.11-SNAPSHOT</version>
+            <version>4.15.12-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>drivers-api</artifactId>
-            <version>4.15.11-SNAPSHOT</version>
+            <version>4.15.12-SNAPSHOT</version>
         </dependency>
 
     </dependencies>
diff --git a/driver-dsegraph-shaded/pom.xml b/driver-dsegraph-shaded/pom.xml
index 72748b82b..ae9906e32 100644
--- a/driver-dsegraph-shaded/pom.xml
+++ b/driver-dsegraph-shaded/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>io.nosqlbench</groupId>
     <artifactId>mvn-defaults</artifactId>
-    <version>4.15.11-SNAPSHOT</version>
+    <version>4.15.12-SNAPSHOT</version>
     <relativePath>../mvn-defaults</relativePath>
   </parent>
 
@@ -23,13 +23,13 @@
     <dependency>
       <groupId>io.nosqlbench</groupId>
       <artifactId>engine-api</artifactId>
-        <version>4.15.11-SNAPSHOT</version>
+        <version>4.15.12-SNAPSHOT</version>
     </dependency>
 
     <dependency>
       <groupId>io.nosqlbench</groupId>
       <artifactId>drivers-api</artifactId>
-        <version>4.15.11-SNAPSHOT</version>
+        <version>4.15.12-SNAPSHOT</version>
     </dependency>
 
     <dependency>
diff --git a/driver-http/pom.xml b/driver-http/pom.xml
index 70efb5a9b..53c9fd06b 100644
--- a/driver-http/pom.xml
+++ b/driver-http/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>mvn-defaults</artifactId>
         <groupId>io.nosqlbench</groupId>
-        <version>4.15.11-SNAPSHOT</version>
+        <version>4.15.12-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -22,13 +22,13 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-api</artifactId>
-            <version>4.15.11-SNAPSHOT</version>
+            <version>4.15.12-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>drivers-api</artifactId>
-            <version>4.15.11-SNAPSHOT</version>
+            <version>4.15.12-SNAPSHOT</version>
         </dependency>
 
     </dependencies>
diff --git a/driver-jdbc/pom.xml b/driver-jdbc/pom.xml
index 716c06ee8..823c561ea 100644
--- a/driver-jdbc/pom.xml
+++ b/driver-jdbc/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>nosqlbench</artifactId>
         <groupId>io.nosqlbench</groupId>
-        <version>4.15.11-SNAPSHOT</version>
+        <version>4.15.12-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
@@ -20,7 +20,7 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-api</artifactId>
-            <version>4.15.11-SNAPSHOT</version>
+            <version>4.15.12-SNAPSHOT</version>
             <scope>compile</scope>
         </dependency>
     </dependencies>
diff --git a/driver-jmx/pom.xml b/driver-jmx/pom.xml
index e6a26187d..4885b790c 100644
--- a/driver-jmx/pom.xml
+++ b/driver-jmx/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>mvn-defaults</artifactId>
         <groupId>io.nosqlbench</groupId>
-        <version>4.15.11-SNAPSHOT</version>
+        <version>4.15.12-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -22,13 +22,13 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>drivers-api</artifactId>
-            <version>4.15.11-SNAPSHOT</version>
+          <version>4.15.12-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-api</artifactId>
-            <version>4.15.11-SNAPSHOT</version>
+          <version>4.15.12-SNAPSHOT</version>
         </dependency>
 
     </dependencies>
diff --git a/driver-kafka/pom.xml b/driver-kafka/pom.xml
index f18f68231..9a528d36e 100644
--- a/driver-kafka/pom.xml
+++ b/driver-kafka/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>mvn-defaults</artifactId>
         <groupId>io.nosqlbench</groupId>
-        <version>4.15.11-SNAPSHOT</version>
+        <version>4.15.12-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -44,13 +44,13 @@
       <dependency>
         <groupId>io.nosqlbench</groupId>
         <artifactId>engine-api</artifactId>
-          <version>4.15.11-SNAPSHOT</version>
+          <version>4.15.12-SNAPSHOT</version>
       </dependency>
 
       <dependency>
         <groupId>io.nosqlbench</groupId>
         <artifactId>driver-stdout</artifactId>
-          <version>4.15.11-SNAPSHOT</version>
+          <version>4.15.12-SNAPSHOT</version>
       </dependency>
 
       <!--        <dependency>-->
diff --git a/driver-mongodb/pom.xml b/driver-mongodb/pom.xml
index 012f05ce6..96ff0f3f6 100644
--- a/driver-mongodb/pom.xml
+++ b/driver-mongodb/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <artifactId>mvn-defaults</artifactId>
         <groupId>io.nosqlbench</groupId>
-        <version>4.15.11-SNAPSHOT</version>
+        <version>4.15.12-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -21,13 +21,13 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-api</artifactId>
-            <version>4.15.11-SNAPSHOT</version>
+          <version>4.15.12-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>drivers-api</artifactId>
-            <version>4.15.11-SNAPSHOT</version>
+          <version>4.15.12-SNAPSHOT</version>
         </dependency>
 
         <dependency>
diff --git a/driver-stdout/pom.xml b/driver-stdout/pom.xml
index 3a9eec7e8..6bf2bd8c4 100644
--- a/driver-stdout/pom.xml
+++ b/driver-stdout/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <artifactId>mvn-defaults</artifactId>
         <groupId>io.nosqlbench</groupId>
-        <version>4.15.11-SNAPSHOT</version>
+        <version>4.15.12-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -22,13 +22,13 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-api</artifactId>
-            <version>4.15.11-SNAPSHOT</version>
+          <version>4.15.12-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>drivers-api</artifactId>
-            <version>4.15.11-SNAPSHOT</version>
+          <version>4.15.12-SNAPSHOT</version>
         </dependency>
 
     </dependencies>
diff --git a/driver-tcp/pom.xml b/driver-tcp/pom.xml
index 875d21743..4cba9b973 100644
--- a/driver-tcp/pom.xml
+++ b/driver-tcp/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <artifactId>mvn-defaults</artifactId>
         <groupId>io.nosqlbench</groupId>
-        <version>4.15.11-SNAPSHOT</version>
+        <version>4.15.12-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -24,19 +24,19 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-api</artifactId>
-            <version>4.15.11-SNAPSHOT</version>
+          <version>4.15.12-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>drivers-api</artifactId>
-            <version>4.15.11-SNAPSHOT</version>
+          <version>4.15.12-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-stdout</artifactId>
-            <version>4.15.11-SNAPSHOT</version>
+          <version>4.15.12-SNAPSHOT</version>
         </dependency>
 
     </dependencies>
diff --git a/driver-web/pom.xml b/driver-web/pom.xml
index 089c07d70..8a0d70fa3 100644
--- a/driver-web/pom.xml
+++ b/driver-web/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <artifactId>mvn-defaults</artifactId>
         <groupId>io.nosqlbench</groupId>
-        <version>4.15.11-SNAPSHOT</version>
+        <version>4.15.12-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -22,13 +22,13 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-api</artifactId>
-            <version>4.15.11-SNAPSHOT</version>
+            <version>4.15.12-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>drivers-api</artifactId>
-            <version>4.15.11-SNAPSHOT</version>
+            <version>4.15.12-SNAPSHOT</version>
         </dependency>
 
         <dependency>
diff --git a/drivers-api/pom.xml b/drivers-api/pom.xml
index 02804be9c..605073665 100644
--- a/drivers-api/pom.xml
+++ b/drivers-api/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>mvn-defaults</artifactId>
         <groupId>io.nosqlbench</groupId>
-        <version>4.15.11-SNAPSHOT</version>
+        <version>4.15.12-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -23,13 +23,13 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>nb-api</artifactId>
-            <version>4.15.11-SNAPSHOT</version>
+            <version>4.15.12-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>virtdata-userlibs</artifactId>
-            <version>4.15.11-SNAPSHOT</version>
+            <version>4.15.12-SNAPSHOT</version>
         </dependency>
 
     </dependencies>
diff --git a/engine-api/pom.xml b/engine-api/pom.xml
index 8d4b528e4..4b0153191 100644
--- a/engine-api/pom.xml
+++ b/engine-api/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>mvn-defaults</artifactId>
         <groupId>io.nosqlbench</groupId>
-        <version>4.15.11-SNAPSHOT</version>
+        <version>4.15.12-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -23,25 +23,25 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>nb-api</artifactId>
-            <version>4.15.11-SNAPSHOT</version>
+            <version>4.15.12-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>drivers-api</artifactId>
-            <version>4.15.11-SNAPSHOT</version>
+            <version>4.15.12-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>nb-annotations</artifactId>
-            <version>4.15.11-SNAPSHOT</version>
+            <version>4.15.12-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>virtdata-userlibs</artifactId>
-            <version>4.15.11-SNAPSHOT</version>
+            <version>4.15.12-SNAPSHOT</version>
         </dependency>
 
         <dependency>
diff --git a/engine-cli/pom.xml b/engine-cli/pom.xml
index 9c26e20e8..631dd4fa3 100644
--- a/engine-cli/pom.xml
+++ b/engine-cli/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>mvn-defaults</artifactId>
         <groupId>io.nosqlbench</groupId>
-        <version>4.15.11-SNAPSHOT</version>
+        <version>4.15.12-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -23,13 +23,13 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-core</artifactId>
-            <version>4.15.11-SNAPSHOT</version>
+            <version>4.15.12-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-docker</artifactId>
-            <version>4.15.11-SNAPSHOT</version>
+            <version>4.15.12-SNAPSHOT</version>
         </dependency>
 
     </dependencies>
diff --git a/engine-clients/pom.xml b/engine-clients/pom.xml
index 6003323bc..e1934c588 100644
--- a/engine-clients/pom.xml
+++ b/engine-clients/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <artifactId>mvn-defaults</artifactId>
     <groupId>io.nosqlbench</groupId>
-    <version>4.15.11-SNAPSHOT</version>
+    <version>4.15.12-SNAPSHOT</version>
     <relativePath>../mvn-defaults</relativePath>
   </parent>
 
@@ -21,7 +21,7 @@
     <dependency>
       <groupId>io.nosqlbench</groupId>
       <artifactId>engine-api</artifactId>
-        <version>4.15.11-SNAPSHOT</version>
+        <version>4.15.12-SNAPSHOT</version>
     </dependency>
 
   </dependencies>
diff --git a/engine-core/pom.xml b/engine-core/pom.xml
index 4626f1260..91df67282 100644
--- a/engine-core/pom.xml
+++ b/engine-core/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>mvn-defaults</artifactId>
         <groupId>io.nosqlbench</groupId>
-        <version>4.15.11-SNAPSHOT</version>
+        <version>4.15.12-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -28,13 +28,13 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-api</artifactId>
-            <version>4.15.11-SNAPSHOT</version>
+            <version>4.15.12-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>drivers-api</artifactId>
-            <version>4.15.11-SNAPSHOT</version>
+            <version>4.15.12-SNAPSHOT</version>
         </dependency>
 
         <dependency>
@@ -85,7 +85,7 @@
       <dependency>
         <groupId>io.nosqlbench</groupId>
         <artifactId>engine-clients</artifactId>
-          <version>4.15.11-SNAPSHOT</version>
+          <version>4.15.12-SNAPSHOT</version>
         <scope>compile</scope>
       </dependency>
 
diff --git a/engine-docker/pom.xml b/engine-docker/pom.xml
index 7edd25fb1..72056a0c4 100644
--- a/engine-docker/pom.xml
+++ b/engine-docker/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>mvn-defaults</artifactId>
         <groupId>io.nosqlbench</groupId>
-        <version>4.15.11-SNAPSHOT</version>
+        <version>4.15.12-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -65,7 +65,7 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-api</artifactId>
-            <version>4.15.11-SNAPSHOT</version>
+            <version>4.15.12-SNAPSHOT</version>
         </dependency>
     </dependencies>
 
diff --git a/engine-docs/pom.xml b/engine-docs/pom.xml
index 3936eef08..ef0472485 100644
--- a/engine-docs/pom.xml
+++ b/engine-docs/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <artifactId>mvn-defaults</artifactId>
     <groupId>io.nosqlbench</groupId>
-    <version>4.15.11-SNAPSHOT</version>
+    <version>4.15.12-SNAPSHOT</version>
     <relativePath>../mvn-defaults</relativePath>
   </parent>
 
@@ -28,7 +28,7 @@
     <dependency>
       <groupId>io.nosqlbench</groupId>
       <artifactId>docsys</artifactId>
-        <version>4.15.11-SNAPSHOT</version>
+        <version>4.15.12-SNAPSHOT</version>
     </dependency>
 
   </dependencies>
diff --git a/engine-extensions/pom.xml b/engine-extensions/pom.xml
index 59d68cd36..c3206ac21 100644
--- a/engine-extensions/pom.xml
+++ b/engine-extensions/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>mvn-defaults</artifactId>
         <groupId>io.nosqlbench</groupId>
-        <version>4.15.11-SNAPSHOT</version>
+        <version>4.15.12-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -22,7 +22,7 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-api</artifactId>
-            <version>4.15.11-SNAPSHOT</version>
+            <version>4.15.12-SNAPSHOT</version>
         </dependency>
 
     </dependencies>
diff --git a/engine-rest/pom.xml b/engine-rest/pom.xml
index f93e18679..1a907be82 100644
--- a/engine-rest/pom.xml
+++ b/engine-rest/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>mvn-defaults</artifactId>
         <groupId>io.nosqlbench</groupId>
-        <version>4.15.11-SNAPSHOT</version>
+        <version>4.15.12-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -47,7 +47,7 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-cli</artifactId>
-            <version>4.15.11-SNAPSHOT</version>
+            <version>4.15.12-SNAPSHOT</version>
         </dependency>
 
     </dependencies>
diff --git a/mvn-defaults/pom.xml b/mvn-defaults/pom.xml
index c71c32201..8688206ea 100644
--- a/mvn-defaults/pom.xml
+++ b/mvn-defaults/pom.xml
@@ -3,7 +3,7 @@
 
   <groupId>io.nosqlbench</groupId>
   <artifactId>mvn-defaults</artifactId>
-  <version>4.15.11-SNAPSHOT</version>
+  <version>4.15.12-SNAPSHOT</version>
   <packaging>pom</packaging>
 
   <properties>
diff --git a/nb-annotations/pom.xml b/nb-annotations/pom.xml
index 8354237ad..39bceeb24 100644
--- a/nb-annotations/pom.xml
+++ b/nb-annotations/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>mvn-defaults</artifactId>
         <groupId>io.nosqlbench</groupId>
-        <version>4.15.11-SNAPSHOT</version>
+        <version>4.15.12-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
diff --git a/nb-api/pom.xml b/nb-api/pom.xml
index ee88375bd..9da75fd3b 100644
--- a/nb-api/pom.xml
+++ b/nb-api/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <artifactId>mvn-defaults</artifactId>
     <groupId>io.nosqlbench</groupId>
-    <version>4.15.11-SNAPSHOT</version>
+    <version>4.15.12-SNAPSHOT</version>
     <relativePath>../mvn-defaults</relativePath>
   </parent>
 
@@ -31,7 +31,7 @@
     <dependency>
       <groupId>io.nosqlbench</groupId>
       <artifactId>nb-annotations</artifactId>
-        <version>4.15.11-SNAPSHOT</version>
+        <version>4.15.12-SNAPSHOT</version>
     </dependency>
 
     <dependency>
@@ -60,7 +60,7 @@
       <artifactId>oshi-core</artifactId>
     </dependency>
 
-    <!-- perf testing -->
+      <!-- perf testing -->
 
     <dependency>
       <groupId>org.openjdk.jmh</groupId>
diff --git a/nb/pom.xml b/nb/pom.xml
index 5c350234d..ae7d2ce51 100644
--- a/nb/pom.xml
+++ b/nb/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <artifactId>mvn-defaults</artifactId>
         <groupId>io.nosqlbench</groupId>
-        <version>4.15.11-SNAPSHOT</version>
+        <version>4.15.12-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -18,7 +18,7 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <javadoc.name>NoSQLBench Command Line</javadoc.name>
+        <javadoc.name>nosqlbench Command Line</javadoc.name>
     </properties>
 
     <dependencies>
@@ -26,103 +26,103 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-rest</artifactId>
-            <version>4.15.11-SNAPSHOT</version>
+            <version>4.15.12-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-cli</artifactId>
-            <version>4.15.11-SNAPSHOT</version>
+            <version>4.15.12-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-docs</artifactId>
-            <version>4.15.11-SNAPSHOT</version>
+            <version>4.15.12-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-core</artifactId>
-            <version>4.15.11-SNAPSHOT</version>
+            <version>4.15.12-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-extensions</artifactId>
-            <version>4.15.11-SNAPSHOT</version>
+            <version>4.15.12-SNAPSHOT</version>
         </dependency>
 
-        <dependency>
-            <groupId>io.nosqlbench</groupId>
-            <artifactId>driver-pulsar</artifactId>
-            <version>4.15.11-SNAPSHOT</version>
-        </dependency>
+        <!--        <dependency>-->
+        <!--            <groupId>io.nosqlbench</groupId>-->
+        <!--            <artifactId>driver-web</artifactId>-->
+        <!--            <version>3.12.83-SNAPSHOT</version>-->
+        <!--        </dependency>-->
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-web</artifactId>
-            <version>4.15.11-SNAPSHOT</version>
+            <version>4.15.12-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-kafka</artifactId>
-            <version>4.15.11-SNAPSHOT</version>
+            <version>4.15.12-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-stdout</artifactId>
-            <version>4.15.11-SNAPSHOT</version>
+            <version>4.15.12-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-diag</artifactId>
-            <version>4.15.11-SNAPSHOT</version>
+            <version>4.15.12-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-tcp</artifactId>
-            <version>4.15.11-SNAPSHOT</version>
+            <version>4.15.12-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-http</artifactId>
-            <version>4.15.11-SNAPSHOT</version>
+            <version>4.15.12-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-jmx</artifactId>
-            <version>4.15.11-SNAPSHOT</version>
+            <version>4.15.12-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-dsegraph-shaded</artifactId>
-            <version>4.15.11-SNAPSHOT</version>
+            <version>4.15.12-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-cql-shaded</artifactId>
-            <version>4.15.11-SNAPSHOT</version>
+            <version>4.15.12-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-cqlverify</artifactId>
-            <version>4.15.11-SNAPSHOT</version>
+            <version>4.15.12-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-mongodb</artifactId>
-            <version>4.15.11-SNAPSHOT</version>
+            <version>4.15.12-SNAPSHOT</version>
         </dependency>
 
         <!--        <dependency>-->
@@ -134,7 +134,7 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-cockroachdb</artifactId>
-            <version>4.15.11-SNAPSHOT</version>
+            <version>4.15.12-SNAPSHOT</version>
         </dependency>
 
         <dependency>
@@ -147,6 +147,16 @@
             <artifactId>jaxb-api</artifactId>
         </dependency>
 
+        <!--        <dependency>-->
+        <!--            <groupId>com.github.docker-java</groupId>-->
+        <!--            <artifactId>docker-java-api</artifactId>-->
+        <!--        </dependency>-->
+
+        <!--        <dependency>-->
+        <!--            <groupId>com.github.docker-java</groupId>-->
+        <!--            <artifactId>docker-java-core</artifactId>-->
+        <!--        </dependency>-->
+
     </dependencies>
 
     <build>
@@ -255,7 +265,7 @@
                 <dependency>
                     <groupId>io.nosqlbench</groupId>
                     <artifactId>driver-mongodb</artifactId>
-                    <version>4.15.11-SNAPSHOT</version>
+                    <version>4.15.12-SNAPSHOT</version>
                 </dependency>
             </dependencies>
         </profile>
diff --git a/pom.xml b/pom.xml
index 29a33af1f..e131c5587 100644
--- a/pom.xml
+++ b/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <artifactId>mvn-defaults</artifactId>
         <groupId>io.nosqlbench</groupId>
-        <version>4.15.11-SNAPSHOT</version>
+        <version>4.15.12-SNAPSHOT</version>
         <relativePath>mvn-defaults</relativePath>
     </parent>
 
diff --git a/virtdata-api/pom.xml b/virtdata-api/pom.xml
index 0e4e3e7a1..34b90cc91 100644
--- a/virtdata-api/pom.xml
+++ b/virtdata-api/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <groupId>io.nosqlbench</groupId>
         <artifactId>mvn-defaults</artifactId>
-        <version>4.15.11-SNAPSHOT</version>
+        <version>4.15.12-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -23,14 +23,14 @@
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
-            <version>4.15.11-SNAPSHOT</version>
+            <version>4.15.12-SNAPSHOT</version>
             <artifactId>nb-api</artifactId>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>virtdata-lang</artifactId>
-            <version>4.15.11-SNAPSHOT</version>
+            <version>4.15.12-SNAPSHOT</version>
         </dependency>
 
 
diff --git a/virtdata-lang/pom.xml b/virtdata-lang/pom.xml
index 86916cd4e..7ede14c79 100644
--- a/virtdata-lang/pom.xml
+++ b/virtdata-lang/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <artifactId>mvn-defaults</artifactId>
         <groupId>io.nosqlbench</groupId>
-        <version>4.15.11-SNAPSHOT</version>
+        <version>4.15.12-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
diff --git a/virtdata-lib-basics/pom.xml b/virtdata-lib-basics/pom.xml
index 5a53bd52f..80b32ce85 100644
--- a/virtdata-lib-basics/pom.xml
+++ b/virtdata-lib-basics/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <artifactId>mvn-defaults</artifactId>
         <groupId>io.nosqlbench</groupId>
-        <version>4.15.11-SNAPSHOT</version>
+        <version>4.15.12-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -20,7 +20,7 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>virtdata-api</artifactId>
-            <version>4.15.11-SNAPSHOT</version>
+            <version>4.15.12-SNAPSHOT</version>
         </dependency>
 
         <dependency>
diff --git a/virtdata-lib-curves4/pom.xml b/virtdata-lib-curves4/pom.xml
index b964df7d7..23609bf7e 100644
--- a/virtdata-lib-curves4/pom.xml
+++ b/virtdata-lib-curves4/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>mvn-defaults</artifactId>
         <groupId>io.nosqlbench</groupId>
-        <version>4.15.11-SNAPSHOT</version>
+        <version>4.15.12-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -22,13 +22,13 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>virtdata-api</artifactId>
-            <version>4.15.11-SNAPSHOT</version>
+            <version>4.15.12-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>virtdata-lib-basics</artifactId>
-            <version>4.15.11-SNAPSHOT</version>
+            <version>4.15.12-SNAPSHOT</version>
         </dependency>
 
     </dependencies>
diff --git a/virtdata-lib-random/pom.xml b/virtdata-lib-random/pom.xml
index 816d9cc04..a44da5d1f 100644
--- a/virtdata-lib-random/pom.xml
+++ b/virtdata-lib-random/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <artifactId>mvn-defaults</artifactId>
         <groupId>io.nosqlbench</groupId>
-        <version>4.15.11-SNAPSHOT</version>
+        <version>4.15.12-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -20,13 +20,13 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>virtdata-api</artifactId>
-            <version>4.15.11-SNAPSHOT</version>
+            <version>4.15.12-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>virtdata-lib-basics</artifactId>
-            <version>4.15.11-SNAPSHOT</version>
+            <version>4.15.12-SNAPSHOT</version>
         </dependency>
 
         <dependency>
diff --git a/virtdata-lib-realer/pom.xml b/virtdata-lib-realer/pom.xml
index d6bbd7f55..7828beb5a 100644
--- a/virtdata-lib-realer/pom.xml
+++ b/virtdata-lib-realer/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>mvn-defaults</artifactId>
         <groupId>io.nosqlbench</groupId>
-        <version>4.15.11-SNAPSHOT</version>
+        <version>4.15.12-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -20,7 +20,7 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>virtdata-lib-basics</artifactId>
-            <version>4.15.11-SNAPSHOT</version>
+            <version>4.15.12-SNAPSHOT</version>
         </dependency>
 
     </dependencies>
diff --git a/virtdata-realdata/pom.xml b/virtdata-realdata/pom.xml
index ded73245e..e1a9d66dd 100644
--- a/virtdata-realdata/pom.xml
+++ b/virtdata-realdata/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <artifactId>mvn-defaults</artifactId>
         <groupId>io.nosqlbench</groupId>
-        <version>4.15.11-SNAPSHOT</version>
+        <version>4.15.12-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -18,7 +18,7 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>virtdata-api</artifactId>
-            <version>4.15.11-SNAPSHOT</version>
+            <version>4.15.12-SNAPSHOT</version>
         </dependency>
 
         <dependency>
diff --git a/virtdata-userlibs/pom.xml b/virtdata-userlibs/pom.xml
index 1eff78411..2f4eed89e 100644
--- a/virtdata-userlibs/pom.xml
+++ b/virtdata-userlibs/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>mvn-defaults</artifactId>
         <groupId>io.nosqlbench</groupId>
-        <version>4.15.11-SNAPSHOT</version>
+        <version>4.15.12-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -18,36 +18,36 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>virtdata-realdata</artifactId>
-            <version>4.15.11-SNAPSHOT</version>
+            <version>4.15.12-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>virtdata-lib-realer</artifactId>
-            <version>4.15.11-SNAPSHOT</version>
+            <version>4.15.12-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>virtdata-api</artifactId>
-            <version>4.15.11-SNAPSHOT</version>
+            <version>4.15.12-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>virtdata-lib-random</artifactId>
-            <version>4.15.11-SNAPSHOT</version>
+            <version>4.15.12-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
-            <version>4.15.11-SNAPSHOT</version>
+            <version>4.15.12-SNAPSHOT</version>
             <artifactId>virtdata-lib-basics</artifactId>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
-            <version>4.15.11-SNAPSHOT</version>
+            <version>4.15.12-SNAPSHOT</version>
             <artifactId>virtdata-lib-curves4</artifactId>
         </dependency>
 
@@ -55,7 +55,7 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>docsys</artifactId>
-            <version>4.15.11-SNAPSHOT</version>
+            <version>4.15.12-SNAPSHOT</version>
         </dependency>
 
     </dependencies>