is not abstract and does not override abstract method

[A S Praj]

I have downloaded the source freemarker 2.3.6 and trying to compile Using
Maven 2.0.4

The Dependencies I have added are

    dependency  -
      groupId  - ant
      artifactId  - ant
      version - 1.6.5

    dependency  -
      groupId  - javax.servlet
      artifactId  - jsp-api
      version - 2.0

    dependency  -
      groupId  - javax.servlet
      artifactId  - servlet-api
      version - 2.4

    dependency  -
      groupId  - jaxen
      artifactId  - jaxen
      version - 1.1-beta-8

    dependency  -
        groupId  - jdom
        artifactId  - jdom
        version - 1.0b8

    dependency  -
      groupId  - jython
      artifactId  - jython
      version - 2.1

    dependency  -
      groupId  - junit
      artifactId  - junit
      version - 3.8.1

    dependency  -
      groupId  - log4j
      artifactId  - log4j
      version - 1.2.13

    dependency  -
      groupId  - logkit
      artifactId  - logkit
      version - 2.0

     dependency  -
      groupId  - rhino
      artifactId  - rhino
      version - 1.5R4.1

am getting the following error. can anyone please throw some light on to it.

[INFO]
------------------------------------------------------------------------
[ERROR] BUILD FAILURE
[INFO]
------------------------------------------------------------------------
[INFO] Compilation failure

C:\Repository\freemarker-
2.3.6\src\freemarker\ext\jsp\FreeMarkerPageContext1.jav
a:[9,0] freemarker.ext.jsp.FreeMarkerPageContext1 is not abstract and does
not o
verride abstract method include(java.lang.String,boolean) in
javax.servlet.jsp.P
ageContext

C:\Repository\freemarker-
2.3.6\src\freemarker\testcase\servlets\TestJspTaglibs.j
ava:[270,25] freemarker.testcase.servlets.TestJspTaglibs.MockRequest is not
abst
ract and does not override abstract method getLocalPort() in
javax.servlet.Servl
etRequest

C:\Repository\freemarker-
2.3.6\src\freemarker\testcase\servlets\TestJspTaglibs.j
ava:[486,25] freemarker.testcase.servlets.TestJspTaglibs.MockResponse is not
abs
tract and does not override abstract method setCharacterEncoding(
java.lang.Strin
g) in javax.servlet.ServletResponse


Thanks in advance

A.S.P. Raj