[hotfix] [build] Add joda-convert as a non-optional dependency, to fix Scala interoperability

flink-java/pom.xml

@@ -86,6 +86,11 @@ under the License.
 			<artifactId>joda-time</artifactId>
 		</dependency>
 
+		<dependency>
+			<groupId>org.joda</groupId>
+			<artifactId>joda-convert</artifactId>
+		</dependency>
+
 		<dependency>
 			<groupId>com.google.guava</groupId>
 			<artifactId>guava</artifactId>

pom.xml

@@ -251,6 +251,12 @@ under the License.
 				<version>2.5</version>
 			</dependency>
 
+			<dependency>
+				<groupId>org.joda</groupId>
+				<artifactId>joda-convert</artifactId>
+				<version>1.7</version>
+			</dependency>
+			
 			<!-- stax is pulled in different versions by different transitive dependencies-->
 			<dependency>
 				<groupId>stax</groupId>