diff --git a/pom.xml b/pom.xml
index b4247ac2..4c75731a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -772,7 +772,7 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-surefire-plugin</artifactId>
-          <version>2.14.1</version>
+          <version>2.15</version>
           <configuration>
             <argLine>-Xmx4096m -Djava.awt.headless=true -XX:MaxPermSize=256m</argLine>
             <redirectTestOutputToFile>${surefire.redirectTestOutputToFile}</redirectTestOutputToFile>
@@ -886,7 +886,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-surefire-plugin</artifactId>
-        <version>2.14.1</version>
+        <version>2.15</version>
       </plugin>
       <plugin>
         <groupId>org.apache.rat</groupId>
@@ -1122,7 +1122,7 @@
             <plugin>
               <groupId>org.apache.maven.plugins</groupId>
               <artifactId>maven-surefire-plugin</artifactId>
-              <version>2.14.1</version>
+              <version>2.15</version>
               <configuration>
                 <argLine>${argLine} -Xmx4096m -Djava.awt.headless=true -XX:MaxPermSize=256m</argLine>
               </configuration>
@@ -1224,7 +1224,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-surefire-report-plugin</artifactId>
-        <version>2.14.1</version>
+        <version>2.15</version>
       </plugin>
       
       <plugin>
diff --git a/tigon-archetypes/tigon-app-archetype/src/main/resources/archetype-resources/pom.xml b/tigon-archetypes/tigon-app-archetype/src/main/resources/archetype-resources/pom.xml
index f04efa79..70c370ec 100644
--- a/tigon-archetypes/tigon-app-archetype/src/main/resources/archetype-resources/pom.xml
+++ b/tigon-archetypes/tigon-app-archetype/src/main/resources/archetype-resources/pom.xml
@@ -140,7 +140,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-surefire-plugin</artifactId>
-        <version>2.14.1</version>
+        <version>2.15</version>
       </plugin>
       <plugin>
         <groupId>org.apache.felix</groupId>
diff --git a/tigon-examples/deploy_pom.xml b/tigon-examples/deploy_pom.xml
index 227697f4..ae513c06 100644
--- a/tigon-examples/deploy_pom.xml
+++ b/tigon-examples/deploy_pom.xml
@@ -178,7 +178,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-surefire-plugin</artifactId>
-        <version>2.14.1</version>
+        <version>2.15</version>
         <configuration>
           <argLine>-Xmx2048m</argLine>
         </configuration>
diff --git a/tigon-examples/pom.xml b/tigon-examples/pom.xml
index 7315a628..95c83aa1 100644
--- a/tigon-examples/pom.xml
+++ b/tigon-examples/pom.xml
@@ -192,7 +192,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-surefire-plugin</artifactId>
-        <version>2.14.1</version>
+        <version>2.15</version>
         <configuration>
           <argLine>-Xmx2048m</argLine>
         </configuration>
diff --git a/tigon-sql/src/main/java/co/cask/tigon/sql/internal/DefaultInputFlowletConfigurer.java b/tigon-sql/src/main/java/co/cask/tigon/sql/internal/DefaultInputFlowletConfigurer.java
index 41780851..6cf6f9a5 100644
--- a/tigon-sql/src/main/java/co/cask/tigon/sql/internal/DefaultInputFlowletConfigurer.java
+++ b/tigon-sql/src/main/java/co/cask/tigon/sql/internal/DefaultInputFlowletConfigurer.java
@@ -74,8 +74,6 @@ public void addQuery(String outputName, String sql) {
   }
 
   public InputFlowletSpecification createInputFlowletSpec() {
-    Preconditions.checkArgument(sqlMap.size() > 0, "Must define at least one query.");
-    Preconditions.checkArgument(inputStreamSchemas.size() > 0, "Must define at least one stream schema.");
     return new DefaultInputFlowletSpecification(name, description, inputStreamSchemas, sqlMap);
   }
 
diff --git a/tigon-sql/src/main/resources/StreamLib_x64_linux.tar.gz b/tigon-sql/src/main/resources/StreamLib_x64_linux.tar.gz
index 7b5bf18c..48c98d37 100644
Binary files a/tigon-sql/src/main/resources/StreamLib_x64_linux.tar.gz and b/tigon-sql/src/main/resources/StreamLib_x64_linux.tar.gz differ