diff --git a/docsys/pom.xml b/docsys/pom.xml
index 446dc93e9..a3b4da370 100644
--- a/docsys/pom.xml
+++ b/docsys/pom.xml
@@ -9,7 +9,7 @@
     <parent>
         <artifactId>mvn-defaults</artifactId>
         <groupId>io.nosqlbench</groupId>
-        <version>4.15.44-SNAPSHOT</version>
+        <version>4.15.45-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -18,7 +18,7 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>nb-api</artifactId>
-            <version>4.15.44-SNAPSHOT</version>
+            <version>4.15.45-SNAPSHOT</version>
         </dependency>
 
         <dependency>
@@ -114,7 +114,7 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>virtdata-api</artifactId>
-            <version>4.15.44-SNAPSHOT</version>
+            <version>4.15.45-SNAPSHOT</version>
         </dependency>
 
     </dependencies>
diff --git a/driver-cockroachdb/pom.xml b/driver-cockroachdb/pom.xml
index 395d92a5c..c77964208 100644
--- a/driver-cockroachdb/pom.xml
+++ b/driver-cockroachdb/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>io.nosqlbench</groupId>
         <artifactId>mvn-defaults</artifactId>
-        <version>4.15.44-SNAPSHOT</version>
+        <version>4.15.45-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -21,7 +21,7 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-jdbc</artifactId>
-            <version>4.15.44-SNAPSHOT</version>
+            <version>4.15.45-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.postgresql</groupId>
diff --git a/driver-cql-shaded/pom.xml b/driver-cql-shaded/pom.xml
index 43e0303a0..f478754c2 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>4.15.44-SNAPSHOT</version>
+        <version>4.15.45-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -23,13 +23,13 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-api</artifactId>
-          <version>4.15.44-SNAPSHOT</version>
+          <version>4.15.45-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>drivers-api</artifactId>
-          <version>4.15.44-SNAPSHOT</version>
+          <version>4.15.45-SNAPSHOT</version>
         </dependency>
 
         <dependency>
diff --git a/driver-cqld3-shaded/pom.xml b/driver-cqld3-shaded/pom.xml
index 670a01c76..f48c1b325 100644
--- a/driver-cqld3-shaded/pom.xml
+++ b/driver-cqld3-shaded/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>io.nosqlbench</groupId>
         <artifactId>mvn-defaults</artifactId>
-        <version>4.15.44-SNAPSHOT</version>
+        <version>4.15.45-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -24,13 +24,13 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-api</artifactId>
-          <version>4.15.44-SNAPSHOT</version>
+          <version>4.15.45-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>drivers-api</artifactId>
-          <version>4.15.44-SNAPSHOT</version>
+          <version>4.15.45-SNAPSHOT</version>
         </dependency>
 
         <dependency>
diff --git a/driver-cqlverify/pom.xml b/driver-cqlverify/pom.xml
index b2c285b0b..f7ce54efe 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>4.15.44-SNAPSHOT</version>
+    <version>4.15.45-SNAPSHOT</version>
     <relativePath>../mvn-defaults</relativePath>
   </parent>
 
@@ -24,13 +24,13 @@
     <dependency>
       <groupId>io.nosqlbench</groupId>
       <artifactId>driver-cql-shaded</artifactId>
-        <version>4.15.44-SNAPSHOT</version>
+        <version>4.15.45-SNAPSHOT</version>
     </dependency>
 
     <dependency>
       <groupId>io.nosqlbench</groupId>
       <artifactId>drivers-api</artifactId>
-        <version>4.15.44-SNAPSHOT</version>
+        <version>4.15.45-SNAPSHOT</version>
     </dependency>
 
   </dependencies>
diff --git a/driver-diag/pom.xml b/driver-diag/pom.xml
index 5f2e46950..915ee6257 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>4.15.44-SNAPSHOT</version>
+        <version>4.15.45-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -20,13 +20,13 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-api</artifactId>
-            <version>4.15.44-SNAPSHOT</version>
+            <version>4.15.45-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>drivers-api</artifactId>
-            <version>4.15.44-SNAPSHOT</version>
+            <version>4.15.45-SNAPSHOT</version>
         </dependency>
 
     </dependencies>
diff --git a/driver-dsegraph-shaded/pom.xml b/driver-dsegraph-shaded/pom.xml
index 621478f8c..8c9783dcf 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>4.15.44-SNAPSHOT</version>
+    <version>4.15.45-SNAPSHOT</version>
     <relativePath>../mvn-defaults</relativePath>
   </parent>
 
@@ -23,13 +23,13 @@
     <dependency>
       <groupId>io.nosqlbench</groupId>
       <artifactId>engine-api</artifactId>
-        <version>4.15.44-SNAPSHOT</version>
+        <version>4.15.45-SNAPSHOT</version>
     </dependency>
 
     <dependency>
       <groupId>io.nosqlbench</groupId>
       <artifactId>drivers-api</artifactId>
-        <version>4.15.44-SNAPSHOT</version>
+        <version>4.15.45-SNAPSHOT</version>
     </dependency>
 
     <dependency>
diff --git a/driver-http/pom.xml b/driver-http/pom.xml
index cce9bb211..cbf0155c1 100644
--- a/driver-http/pom.xml
+++ b/driver-http/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>mvn-defaults</artifactId>
         <groupId>io.nosqlbench</groupId>
-        <version>4.15.44-SNAPSHOT</version>
+        <version>4.15.45-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -22,13 +22,13 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-api</artifactId>
-            <version>4.15.44-SNAPSHOT</version>
+            <version>4.15.45-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>drivers-api</artifactId>
-            <version>4.15.44-SNAPSHOT</version>
+            <version>4.15.45-SNAPSHOT</version>
         </dependency>
 
     </dependencies>
diff --git a/driver-jdbc/pom.xml b/driver-jdbc/pom.xml
index d1d3b22a4..0c4452a9f 100644
--- a/driver-jdbc/pom.xml
+++ b/driver-jdbc/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <artifactId>nosqlbench</artifactId>
         <groupId>io.nosqlbench</groupId>
-        <version>4.15.44-SNAPSHOT</version>
+        <version>4.15.45-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
@@ -18,7 +18,7 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-api</artifactId>
-            <version>4.15.44-SNAPSHOT</version>
+            <version>4.15.45-SNAPSHOT</version>
             <scope>compile</scope>
         </dependency>
     </dependencies>
diff --git a/driver-jmx/pom.xml b/driver-jmx/pom.xml
index 160da2647..d4e218c6e 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>4.15.44-SNAPSHOT</version>
+        <version>4.15.45-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -22,13 +22,13 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>drivers-api</artifactId>
-          <version>4.15.44-SNAPSHOT</version>
+          <version>4.15.45-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-api</artifactId>
-          <version>4.15.44-SNAPSHOT</version>
+          <version>4.15.45-SNAPSHOT</version>
         </dependency>
 
     </dependencies>
diff --git a/driver-kafka/pom.xml b/driver-kafka/pom.xml
index 4d54cb940..2c27a933d 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>4.15.44-SNAPSHOT</version>
+        <version>4.15.45-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -44,13 +44,13 @@
       <dependency>
         <groupId>io.nosqlbench</groupId>
         <artifactId>engine-api</artifactId>
-          <version>4.15.44-SNAPSHOT</version>
+          <version>4.15.45-SNAPSHOT</version>
       </dependency>
 
       <dependency>
         <groupId>io.nosqlbench</groupId>
         <artifactId>driver-stdout</artifactId>
-          <version>4.15.44-SNAPSHOT</version>
+          <version>4.15.45-SNAPSHOT</version>
       </dependency>
 
       <!--        <dependency>-->
diff --git a/driver-mongodb/pom.xml b/driver-mongodb/pom.xml
index 9dbd7234a..904981efa 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>4.15.44-SNAPSHOT</version>
+        <version>4.15.45-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -21,13 +21,13 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-api</artifactId>
-          <version>4.15.44-SNAPSHOT</version>
+          <version>4.15.45-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>drivers-api</artifactId>
-          <version>4.15.44-SNAPSHOT</version>
+          <version>4.15.45-SNAPSHOT</version>
         </dependency>
 
         <dependency>
diff --git a/driver-pulsar/pom.xml b/driver-pulsar/pom.xml
index cba4782de..45e416d97 100644
--- a/driver-pulsar/pom.xml
+++ b/driver-pulsar/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>mvn-defaults</artifactId>
         <groupId>io.nosqlbench</groupId>
-        <version>4.15.44-SNAPSHOT</version>
+        <version>4.15.45-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -40,13 +40,13 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-api</artifactId>
-            <version>4.15.44-SNAPSHOT</version>
+            <version>4.15.45-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-stdout</artifactId>
-            <version>4.15.44-SNAPSHOT</version>
+            <version>4.15.45-SNAPSHOT</version>
         </dependency>
 
         <!-- https://mvnrepository.com/artifact/commons-beanutils/commons-beanutils -->
diff --git a/driver-stdout/pom.xml b/driver-stdout/pom.xml
index a3650e1e4..518cdf2d3 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>4.15.44-SNAPSHOT</version>
+        <version>4.15.45-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -22,13 +22,13 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-api</artifactId>
-          <version>4.15.44-SNAPSHOT</version>
+          <version>4.15.45-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>drivers-api</artifactId>
-          <version>4.15.44-SNAPSHOT</version>
+          <version>4.15.45-SNAPSHOT</version>
         </dependency>
 
     </dependencies>
diff --git a/driver-tcp/pom.xml b/driver-tcp/pom.xml
index 1fb9f78c9..1f435b489 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>4.15.44-SNAPSHOT</version>
+        <version>4.15.45-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -24,19 +24,19 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-api</artifactId>
-          <version>4.15.44-SNAPSHOT</version>
+          <version>4.15.45-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>drivers-api</artifactId>
-          <version>4.15.44-SNAPSHOT</version>
+          <version>4.15.45-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-stdout</artifactId>
-          <version>4.15.44-SNAPSHOT</version>
+          <version>4.15.45-SNAPSHOT</version>
         </dependency>
 
     </dependencies>
diff --git a/driver-web/pom.xml b/driver-web/pom.xml
index 2147446cf..94d0ce903 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>4.15.44-SNAPSHOT</version>
+        <version>4.15.45-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -22,13 +22,13 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-api</artifactId>
-            <version>4.15.44-SNAPSHOT</version>
+            <version>4.15.45-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>drivers-api</artifactId>
-            <version>4.15.44-SNAPSHOT</version>
+            <version>4.15.45-SNAPSHOT</version>
         </dependency>
 
         <dependency>
diff --git a/drivers-api/pom.xml b/drivers-api/pom.xml
index a201ff4c4..7f2bf8a7d 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>4.15.44-SNAPSHOT</version>
+        <version>4.15.45-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -23,13 +23,13 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>nb-api</artifactId>
-            <version>4.15.44-SNAPSHOT</version>
+            <version>4.15.45-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>virtdata-userlibs</artifactId>
-            <version>4.15.44-SNAPSHOT</version>
+            <version>4.15.45-SNAPSHOT</version>
         </dependency>
 
     </dependencies>
diff --git a/engine-api/pom.xml b/engine-api/pom.xml
index b21de255c..70635778d 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>4.15.44-SNAPSHOT</version>
+        <version>4.15.45-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -23,25 +23,25 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>nb-api</artifactId>
-            <version>4.15.44-SNAPSHOT</version>
+            <version>4.15.45-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>drivers-api</artifactId>
-            <version>4.15.44-SNAPSHOT</version>
+            <version>4.15.45-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>nb-annotations</artifactId>
-            <version>4.15.44-SNAPSHOT</version>
+            <version>4.15.45-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>virtdata-userlibs</artifactId>
-            <version>4.15.44-SNAPSHOT</version>
+            <version>4.15.45-SNAPSHOT</version>
         </dependency>
 
         <dependency>
diff --git a/engine-cli/pom.xml b/engine-cli/pom.xml
index dd72ed3d9..4a4f77a12 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>4.15.44-SNAPSHOT</version>
+        <version>4.15.45-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -23,13 +23,13 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-core</artifactId>
-            <version>4.15.44-SNAPSHOT</version>
+            <version>4.15.45-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-docker</artifactId>
-            <version>4.15.44-SNAPSHOT</version>
+            <version>4.15.45-SNAPSHOT</version>
         </dependency>
 
     </dependencies>
diff --git a/engine-clients/pom.xml b/engine-clients/pom.xml
index c510d46ec..a741ede12 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>4.15.44-SNAPSHOT</version>
+    <version>4.15.45-SNAPSHOT</version>
     <relativePath>../mvn-defaults</relativePath>
   </parent>
 
@@ -21,7 +21,7 @@
     <dependency>
       <groupId>io.nosqlbench</groupId>
       <artifactId>engine-api</artifactId>
-        <version>4.15.44-SNAPSHOT</version>
+        <version>4.15.45-SNAPSHOT</version>
     </dependency>
 
   </dependencies>
diff --git a/engine-core/pom.xml b/engine-core/pom.xml
index dbdcf1cba..ca3622c50 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>4.15.44-SNAPSHOT</version>
+        <version>4.15.45-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -28,13 +28,13 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-api</artifactId>
-            <version>4.15.44-SNAPSHOT</version>
+            <version>4.15.45-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>drivers-api</artifactId>
-            <version>4.15.44-SNAPSHOT</version>
+            <version>4.15.45-SNAPSHOT</version>
         </dependency>
 
         <dependency>
@@ -85,7 +85,7 @@
       <dependency>
         <groupId>io.nosqlbench</groupId>
         <artifactId>engine-clients</artifactId>
-          <version>4.15.44-SNAPSHOT</version>
+          <version>4.15.45-SNAPSHOT</version>
         <scope>compile</scope>
       </dependency>
 
diff --git a/engine-docker/pom.xml b/engine-docker/pom.xml
index a94aa212c..d00200b2f 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>4.15.44-SNAPSHOT</version>
+        <version>4.15.45-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -56,7 +56,7 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-api</artifactId>
-            <version>4.15.44-SNAPSHOT</version>
+            <version>4.15.45-SNAPSHOT</version>
         </dependency>
     </dependencies>
 
diff --git a/engine-docker/src/main/java/io/nosqlbench/engine/docker/DockerHelper.java b/engine-docker/src/main/java/io/nosqlbench/engine/docker/DockerHelper.java
index 1901a372a..7ad866abf 100644
--- a/engine-docker/src/main/java/io/nosqlbench/engine/docker/DockerHelper.java
+++ b/engine-docker/src/main/java/io/nosqlbench/engine/docker/DockerHelper.java
@@ -228,6 +228,10 @@ public class DockerHelper {
         List<String> validRepoTags = tags.stream().map(s -> label + ":" + s).collect(Collectors.toList());
         for (Image image : images) {
             String[] foundRepoTags = image.getRepoTags();
+            if (foundRepoTags == null) {
+                continue;
+            }
+
             for (String foundRepoTag : foundRepoTags) {
                 for (String validRepoTag : validRepoTags) {
                     if (foundRepoTag.equals(validRepoTag)) {
diff --git a/engine-docs/pom.xml b/engine-docs/pom.xml
index 3c655f044..7843b7dd5 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>4.15.44-SNAPSHOT</version>
+    <version>4.15.45-SNAPSHOT</version>
     <relativePath>../mvn-defaults</relativePath>
   </parent>
 
@@ -28,7 +28,7 @@
     <dependency>
       <groupId>io.nosqlbench</groupId>
       <artifactId>docsys</artifactId>
-        <version>4.15.44-SNAPSHOT</version>
+        <version>4.15.45-SNAPSHOT</version>
     </dependency>
 
   </dependencies>
diff --git a/engine-extensions/pom.xml b/engine-extensions/pom.xml
index 3f4a6d7ee..1b8651739 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>4.15.44-SNAPSHOT</version>
+        <version>4.15.45-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -22,7 +22,7 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-api</artifactId>
-            <version>4.15.44-SNAPSHOT</version>
+            <version>4.15.45-SNAPSHOT</version>
         </dependency>
 
     </dependencies>
diff --git a/engine-rest/pom.xml b/engine-rest/pom.xml
index aefcaa869..b24a33836 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>4.15.44-SNAPSHOT</version>
+        <version>4.15.45-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -47,7 +47,7 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-cli</artifactId>
-            <version>4.15.44-SNAPSHOT</version>
+            <version>4.15.45-SNAPSHOT</version>
         </dependency>
 
     </dependencies>
diff --git a/mvn-defaults/pom.xml b/mvn-defaults/pom.xml
index 4dfe92ab2..f0514fd4c 100644
--- a/mvn-defaults/pom.xml
+++ b/mvn-defaults/pom.xml
@@ -3,7 +3,7 @@
 
   <groupId>io.nosqlbench</groupId>
   <artifactId>mvn-defaults</artifactId>
-  <version>4.15.44-SNAPSHOT</version>
+  <version>4.15.45-SNAPSHOT</version>
   <packaging>pom</packaging>
 
   <properties>
diff --git a/nb-annotations/pom.xml b/nb-annotations/pom.xml
index 1fcbb26d0..4286950cd 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>4.15.44-SNAPSHOT</version>
+        <version>4.15.45-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
diff --git a/nb-api/pom.xml b/nb-api/pom.xml
index 717a85c59..fd0c913e7 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>4.15.44-SNAPSHOT</version>
+    <version>4.15.45-SNAPSHOT</version>
     <relativePath>../mvn-defaults</relativePath>
   </parent>
 
@@ -31,7 +31,7 @@
     <dependency>
       <groupId>io.nosqlbench</groupId>
       <artifactId>nb-annotations</artifactId>
-        <version>4.15.44-SNAPSHOT</version>
+        <version>4.15.45-SNAPSHOT</version>
     </dependency>
 
     <dependency>
diff --git a/nb/pom.xml b/nb/pom.xml
index 8e36b961b..ed98a0f6d 100644
--- a/nb/pom.xml
+++ b/nb/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>mvn-defaults</artifactId>
         <groupId>io.nosqlbench</groupId>
-        <version>4.15.44-SNAPSHOT</version>
+        <version>4.15.45-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -24,115 +24,115 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-rest</artifactId>
-            <version>4.15.44-SNAPSHOT</version>
+            <version>4.15.45-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-cli</artifactId>
-            <version>4.15.44-SNAPSHOT</version>
+            <version>4.15.45-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-docs</artifactId>
-            <version>4.15.44-SNAPSHOT</version>
+            <version>4.15.45-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-core</artifactId>
-            <version>4.15.44-SNAPSHOT</version>
+            <version>4.15.45-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>engine-extensions</artifactId>
-            <version>4.15.44-SNAPSHOT</version>
+            <version>4.15.45-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-web</artifactId>
-            <version>4.15.44-SNAPSHOT</version>
+            <version>4.15.45-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-kafka</artifactId>
-            <version>4.15.44-SNAPSHOT</version>
+            <version>4.15.45-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-stdout</artifactId>
-            <version>4.15.44-SNAPSHOT</version>
+            <version>4.15.45-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-diag</artifactId>
-            <version>4.15.44-SNAPSHOT</version>
+            <version>4.15.45-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-tcp</artifactId>
-            <version>4.15.44-SNAPSHOT</version>
+            <version>4.15.45-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-http</artifactId>
-            <version>4.15.44-SNAPSHOT</version>
+            <version>4.15.45-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-jmx</artifactId>
-            <version>4.15.44-SNAPSHOT</version>
+            <version>4.15.45-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-dsegraph-shaded</artifactId>
-            <version>4.15.44-SNAPSHOT</version>
+            <version>4.15.45-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-cql-shaded</artifactId>
-            <version>4.15.44-SNAPSHOT</version>
+            <version>4.15.45-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-cqld3-shaded</artifactId>
-            <version>4.15.44-SNAPSHOT</version>
+            <version>4.15.45-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-cqlverify</artifactId>
-            <version>4.15.44-SNAPSHOT</version>
+            <version>4.15.45-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-mongodb</artifactId>
-            <version>4.15.44-SNAPSHOT</version>
+            <version>4.15.45-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-pulsar</artifactId>
-            <version>4.15.44-SNAPSHOT</version>
+            <version>4.15.45-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>driver-cockroachdb</artifactId>
-            <version>4.15.44-SNAPSHOT</version>
+            <version>4.15.45-SNAPSHOT</version>
         </dependency>
 
     </dependencies>
@@ -232,7 +232,7 @@
                 <dependency>
                     <groupId>io.nosqlbench</groupId>
                     <artifactId>driver-mongodb</artifactId>
-                    <version>4.15.44-SNAPSHOT</version>
+                    <version>4.15.45-SNAPSHOT</version>
                 </dependency>
             </dependencies>
         </profile>
diff --git a/pom.xml b/pom.xml
index 8ccbb3fc5..486c4c90e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <artifactId>mvn-defaults</artifactId>
         <groupId>io.nosqlbench</groupId>
-        <version>4.15.44-SNAPSHOT</version>
+        <version>4.15.45-SNAPSHOT</version>
         <relativePath>mvn-defaults</relativePath>
     </parent>
 
diff --git a/virtdata-api/pom.xml b/virtdata-api/pom.xml
index f7efd339d..0be64047a 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>4.15.44-SNAPSHOT</version>
+        <version>4.15.45-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -23,14 +23,14 @@
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
-            <version>4.15.44-SNAPSHOT</version>
+            <version>4.15.45-SNAPSHOT</version>
             <artifactId>nb-api</artifactId>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>virtdata-lang</artifactId>
-            <version>4.15.44-SNAPSHOT</version>
+            <version>4.15.45-SNAPSHOT</version>
         </dependency>
 
 
diff --git a/virtdata-lang/pom.xml b/virtdata-lang/pom.xml
index 2fa8b55d7..71fcb8661 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>4.15.44-SNAPSHOT</version>
+        <version>4.15.45-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
diff --git a/virtdata-lib-basics/pom.xml b/virtdata-lib-basics/pom.xml
index 4dec81575..c9dbb9d49 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>4.15.44-SNAPSHOT</version>
+        <version>4.15.45-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -20,7 +20,7 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>virtdata-api</artifactId>
-            <version>4.15.44-SNAPSHOT</version>
+            <version>4.15.45-SNAPSHOT</version>
         </dependency>
 
         <dependency>
diff --git a/virtdata-lib-curves4/pom.xml b/virtdata-lib-curves4/pom.xml
index c9bcf22db..dc327a175 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>4.15.44-SNAPSHOT</version>
+        <version>4.15.45-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -22,13 +22,13 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>virtdata-api</artifactId>
-            <version>4.15.44-SNAPSHOT</version>
+            <version>4.15.45-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>virtdata-lib-basics</artifactId>
-            <version>4.15.44-SNAPSHOT</version>
+            <version>4.15.45-SNAPSHOT</version>
         </dependency>
 
     </dependencies>
diff --git a/virtdata-lib-random/pom.xml b/virtdata-lib-random/pom.xml
index 068d61d86..988ac5d7a 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>4.15.44-SNAPSHOT</version>
+        <version>4.15.45-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -20,13 +20,13 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>virtdata-api</artifactId>
-            <version>4.15.44-SNAPSHOT</version>
+            <version>4.15.45-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>virtdata-lib-basics</artifactId>
-            <version>4.15.44-SNAPSHOT</version>
+            <version>4.15.45-SNAPSHOT</version>
         </dependency>
 
         <dependency>
diff --git a/virtdata-lib-realer/pom.xml b/virtdata-lib-realer/pom.xml
index ba4c94999..501f6e2fe 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>4.15.44-SNAPSHOT</version>
+        <version>4.15.45-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -20,7 +20,7 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>virtdata-lib-basics</artifactId>
-            <version>4.15.44-SNAPSHOT</version>
+            <version>4.15.45-SNAPSHOT</version>
         </dependency>
 
     </dependencies>
diff --git a/virtdata-realdata/pom.xml b/virtdata-realdata/pom.xml
index 949f0cb08..266658e9a 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>4.15.44-SNAPSHOT</version>
+        <version>4.15.45-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -18,7 +18,7 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>virtdata-api</artifactId>
-            <version>4.15.44-SNAPSHOT</version>
+            <version>4.15.45-SNAPSHOT</version>
         </dependency>
 
         <dependency>
diff --git a/virtdata-userlibs/pom.xml b/virtdata-userlibs/pom.xml
index c3b8b945f..1ad314aa5 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>4.15.44-SNAPSHOT</version>
+        <version>4.15.45-SNAPSHOT</version>
         <relativePath>../mvn-defaults</relativePath>
     </parent>
 
@@ -18,36 +18,36 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>virtdata-realdata</artifactId>
-            <version>4.15.44-SNAPSHOT</version>
+            <version>4.15.45-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>virtdata-lib-realer</artifactId>
-            <version>4.15.44-SNAPSHOT</version>
+            <version>4.15.45-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>virtdata-api</artifactId>
-            <version>4.15.44-SNAPSHOT</version>
+            <version>4.15.45-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>virtdata-lib-random</artifactId>
-            <version>4.15.44-SNAPSHOT</version>
+            <version>4.15.45-SNAPSHOT</version>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
-            <version>4.15.44-SNAPSHOT</version>
+            <version>4.15.45-SNAPSHOT</version>
             <artifactId>virtdata-lib-basics</artifactId>
         </dependency>
 
         <dependency>
             <groupId>io.nosqlbench</groupId>
-            <version>4.15.44-SNAPSHOT</version>
+            <version>4.15.45-SNAPSHOT</version>
             <artifactId>virtdata-lib-curves4</artifactId>
         </dependency>
 
@@ -55,7 +55,7 @@
         <dependency>
             <groupId>io.nosqlbench</groupId>
             <artifactId>docsys</artifactId>
-            <version>4.15.44-SNAPSHOT</version>
+            <version>4.15.45-SNAPSHOT</version>
         </dependency>
 
     </dependencies>