Tomcat with scalatra Error - NoSuchMethodError HttpServletRequest.getContentLengthLong - maven

Question

I am getting the following error when I try to run a program in Tomcat:
java.lang.NoSuchMethodError: javax.servlet.http.HttpServletRequest.getContentLengthLong()J
org.scalatra.servlet.HttpServletRequestReadOnly.<init>(HttpServletRequestReadOnly.scala:56)
org.scalatra.ScalatraContext$class.scalatraContext(ScalatraContext.scala:71)
I am using Scalatra and Tomcat 7, and I am trying to do an AsyncResult with (akka actor).
I am using maven and my dependencies are the following
<!-- https://mvnrepository.com/artifact/org.scalaj/scalaj-http_2.11 -->
<dependency>
<groupId>org.scalaj</groupId>
<artifactId>scalaj-http_2.11</artifactId>
<version>2.3.0</version>
</dependency>
<dependency>
<groupId>org.scala-lang</groupId>
<artifactId>scala-library</artifactId>
<version>2.11.5</version>
</dependency>
<dependency>
<groupId>org.scalatra</groupId>
<artifactId>scalatra_2.11</artifactId>
<version>2.5.0</version>
</dependency>
<dependency>
<groupId>org.scalatra</groupId>
<artifactId>scalatra-scalate_2.11</artifactId>
<version>2.5.0</version>
</dependency>
<!-- https://mvnrepository.com/artifact/com.typesafe.akka/akka-actor_2.11 -->
<dependency>
<groupId>com.typesafe.akka</groupId>
<artifactId>akka-actor_2.11</artifactId>
<version>2.4.16</version>
</dependency>
<dependency>
<groupId>com.datastax.spark</groupId>
<artifactId>spark-cassandra-connector_2.11</artifactId>
<version>2.0.0-M3</version>
</dependency>
<!-- https://mvnrepository.com/artifact/org.scala-lang/scala-reflect -->
<dependency>
<groupId>org.scala-lang</groupId>
<artifactId>scala-reflect</artifactId>
<version>2.11.8</version>
</dependency>
<!-- https://mvnrepository.com/artifact/org.scala-lang/scala-compiler -->
<dependency>
<groupId>org.scala-lang</groupId>
<artifactId>scala-compiler</artifactId>
<version>2.11.8</version>
</dependency>
<!--Spark dependencies-->
<dependency>
<groupId>org.apache.spark</groupId>
<artifactId>spark-core_2.11</artifactId>
<version>2.1.0</version>
</dependency>
<!-- https://mvnrepository.com/artifact/org.apache.spark/spark-sql_2.11 -->
<dependency>
<groupId>org.apache.spark</groupId>
<artifactId>spark-sql_2.11</artifactId>
<version>2.1.0</version>
</dependency>
<dependency>
<groupId>com.databricks</groupId>
<artifactId>spark-xml_2.11</artifactId>
<version>0.4.1</version>
</dependency>
<dependency>
<groupId>org.json4s</groupId>
<artifactId>json4s-native_2.11</artifactId>
<version>3.5.0</version>
</dependency>
<!-- https://mvnrepository.com/artifact/org.scalatra/scalatra-swagger_2.11 -->
<dependency>
<groupId>org.scalatra</groupId>
<artifactId>scalatra-swagger_2.11</artifactId>
<version>2.5.0</version>
</dependency>
<!-- https://mvnrepository.com/artifact/org.scalatra/scalatra-json_2.11 -->
<dependency>
<groupId>org.scalatra</groupId>
<artifactId>scalatra-json_2.11</artifactId>
<version>2.5.0</version>
</dependency>
<!-- https://mvnrepository.com/artifact/net.databinder.dispatch/dispatch-core_2.11 -->
<dependency>
<groupId>net.databinder.dispatch</groupId>
<artifactId>dispatch-core_2.11</artifactId>
<version>0.11.3</version>
</dependency>
<!-- https://mvnrepository.com/artifact/org.scala-lang.modules/scala-xml_2.11 -->
<dependency>
<groupId>org.scala-lang.modules</groupId>
<artifactId>scala-xml_2.11</artifactId>
<version>1.0.6</version>
</dependency>
<!-- https://mvnrepository.com/artifact/org.scalatest/scalatest_2.11 -->
<dependency>
<groupId>org.scalatest</groupId>
<artifactId>scalatest_2.11</artifactId>
<version>3.0.0</version>
<scope>test</scope>
</dependency>
<!-- https://mvnrepository.com/artifact/junit/junit -->
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.10</version>
</dependency>
The line code where I am getting the error is
new AsyncResult {
val is =
Future {
I tried including dependencies, excluding dependencies, adding dependencies... but I couldn't solve it. Anyone knows how to fix it?

Answer 1

Check your dependency tree - chances are that the versions you're using relies on an older javax.servlet api. The HttpServletRequest.getContentLengthLong() method was added in Servlet API 3.1 as documented in
http://docs.oracle.com/javaee/7/api/javax/servlet/ServletRequest.html#getContentLengthLong--

Answer 2

Finally I solved the problem using Tomcat 8, because the javax-servlet including in tomcat 7 didn't work for me.