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I cannot build java in 3.0.0

Hi all,

I try to configure CMake to build OpenCV with java support. Everything is fine, but it will not build java. The configure output even says so:

Checking for Windows Platform SDK
Checking for Visual Studio 2012
Could NOT find PythonInterp (missing:  PYTHON_EXECUTABLE) (Required is at least version "2.7")
Could NOT find PythonInterp (missing:  PYTHON_EXECUTABLE) (Required is at least version "2.6")
Found apache ant 1.9.3: E:/bin/apache-ant-1.9.3/bin/ant.bat

General configuration for OpenCV 3.0.0-dev =====================================
  Version control:     

    Host:                        Windows 6.1 AMD64
    CMake generator:             Visual Studio 12 Win64
    CMake build tool:            C:/PROGRA~2/MSBuild/12.0/Bin/MSBuild.exe
    MSVC:                        1800

    Built as dynamic libs?:      NO
    C++ Compiler:                E:/visualStudio/VC/bin/x86_amd64/cl.exe  (ver 18.0.21005.1)
    C++ flags (Release):         /DWIN32 /D_WINDOWS /W4 /GR /EHa  /D _CRT_SECURE_NO_DEPRECATE /D _CRT_NONSTDC_NO_DEPRECATE /D _SCL_SECURE_NO_WARNINGS /Gy /bigobj /Oi  /wd4251 /MT /O2 /Ob2 /D NDEBUG  /Zi
    C++ flags (Debug):           /DWIN32 /D_WINDOWS /W4 /GR /EHa  /D _CRT_SECURE_NO_DEPRECATE /D _CRT_NONSTDC_NO_DEPRECATE /D _SCL_SECURE_NO_WARNINGS /Gy /bigobj /Oi  /wd4251 /D_DEBUG /MTd /Zi /Ob0 /Od /RTC1 
    C Compiler:                  E:/visualStudio/VC/bin/x86_amd64/cl.exe
    C flags (Release):           /DWIN32 /D_WINDOWS /W3  /D _CRT_SECURE_NO_DEPRECATE /D _CRT_NONSTDC_NO_DEPRECATE /D _SCL_SECURE_NO_WARNINGS /Gy /bigobj /Oi  /MT /O2 /Ob2 /D NDEBUG  /Zi
    C flags (Debug):             /DWIN32 /D_WINDOWS /W3  /D _CRT_SECURE_NO_DEPRECATE /D _CRT_NONSTDC_NO_DEPRECATE /D _SCL_SECURE_NO_WARNINGS /Gy /bigobj /Oi  /D_DEBUG /MTd /Zi /Ob0 /Od /RTC1 
    Linker flags (Release):      /machine:x64   /NODEFAULTLIB:atlthunk.lib /NODEFAULTLIB:msvcrt.lib /NODEFAULTLIB:msvcrtd.lib /INCREMENTAL:NO  /debug /NODEFAULTLIB:libcmtd.lib
    Linker flags (Debug):        /machine:x64   /NODEFAULTLIB:atlthunk.lib /NODEFAULTLIB:msvcrt.lib /NODEFAULTLIB:msvcrtd.lib /debug /INCREMENTAL  /NODEFAULTLIB:libcmt.lib
    Precompiled headers:         YES

  OpenCV modules:
    To be built:                 core flann imgproc highgui features2d calib3d ml objdetect video ocl bioinspired cudaarithm nonfree contrib cudawarping cuda cudafilters cudaimgproc legacy cudabgsegm cudacodec cudafeatures2d cudaoptflow cudastereo optim photo shape softcascade stitching superres ts videostab
    Disabled:                    world
    Disabled by dependency:      -
    Unavailable:                 androidcamera cudalegacy cudev java matlab python viz

  Windows RT support:            NO

    QT:                          NO
    Win32 UI:                    YES
    OpenGL support:              NO
    VTK support:                 NO

  Media I/O: 
    ZLib:                        build (ver 1.2.8)
    JPEG:                        build (ver 90)
    WEBP:                        build (ver 0.3.1)
    PNG:                         build (ver 1.5.12)
    TIFF:                        build (ver 42 - 4.0.2)
    JPEG 2000:                   build (ver 1.900.1)
    OpenEXR:                     build (ver 1.7.1)

  Video I/O:
    Video for Windows:           YES
    DC1394 1.x:                  NO
    DC1394 2.x:                  NO
    FFMPEG:                      YES (prebuilt binaries)
      codec:                     YES (ver 55.18.102)
      format:                    YES (ver 55.12.100)
      util:                      YES (ver 52.38.100)
      swscale:                   YES (ver 2.3.100)
      gentoo-style:              YES
    OpenNI:                      NO
    OpenNI PrimeSensor Modules:  NO
    PvAPI:                       NO
    GigEVisionSDK:               NO
    DirectShow:                  YES
    Media Foundation:            NO
    XIMEA:                       NO
    Intel PerC:                  NO

  Other third-party libraries:
    Use IPP:                     NO
    Use Eigen:                   NO
    Use TBB:                     NO
    Use OpenMP:                  NO
    Use GCD                      NO
    Use Concurrency              YES
    Use C=:                      NO
    Use Cuda:                    NO
    Use OpenCL:                  YES

    Version:                     dynamic
    Include path:                E:/github/opencv/3rdparty/include/opencl/1.2
    Use AMDFFT:                  NO
    Use AMDBLAS:                 NO

    Interpreter:                 NO

    ant:                         E:/bin/apache-ant-1.9.3/bin/ant.bat (ver 1.9.3)
    JNI:                         C:/Program Files/Java/jdk1.7.0_09/include C:/Program Files/Java/jdk1.7.0_09/include/win32 C:/Program Files/Java/jdk1.7.0_09/include
    Java tests:                  NO

    mex:                         NO

  Tests and samples:
    Tests:                       YES
    Performance tests:           YES
    C/C++ Examples:              NO

  Install path:                  E:/opencv/install

  cvconfig.h is in:              E:/opencv

Configuring done

While it says in OpenCV modules-->Unavailabe that it will not configure to build java, I do not see the reason. Later it says that ant and JNI is available. Does anybody see a mistake in the output of CMake which I overlooked?

Thanks a lot in advance!