# Unable to import SwingLibrary in pycharm using jython

**URL:** <https://forum.robotframework.org/t/unable-to-import-swinglibrary-in-pycharm-using-jython/1398>\
**Category:** SwingLibrary\
**Created:** [25 February 2021 08:37 UTC](https://forum.robotframework.org/t/unable-to-import-swinglibrary-in-pycharm-using-jython/1398 "2021-02-25T08:37:40Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![pranali](https://avatars.discourse-cdn.com/v4/letter/p/b38774/32.png) [@pranali](https://forum.robotframework.org/u/pranali)\
**Post date:** [25 February 2021 08:37 UTC](https://forum.robotframework.org/t/unable-to-import-swinglibrary-in-pycharm-using-jython/1398/1 "2021-02-25T08:37:40Z")

</div>

We have swing application for automation. I am using jython. I have installed jython, downloaded swing library jar file. installed robot using `jython -m pip install robotframework`  
CLASSPATH set to - `C:\jython2.7.2\jython.jar;C:\swinglibrary-2.2.0.jar;myApp.jar`  
I have created Temp.robot in pycharm and importing library as Library SwingLibrary  
still facing below issue when i do -  
jython -m robot Temp.robot

```python
on line 2: Importing test library 'SwingLibrary' failed: NoClassDefFoundError: org/robotframework/javalib/library/KeywordDocumentationRepository
java.lang.NoClassDefFoundError:
        at java.lang.ClassLoader.defineClass1(Native Method)
        at java.lang.ClassLoader.defineClass(ClassLoader.java:763)
        at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:467)
        at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:338)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        at java.lang.ClassLoader.defineClass1(Native Method)
        at java.lang.ClassLoader.defineClass(ClassLoader.java:763)
        at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:467)
        at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:338)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:411)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:348)
        at robot.utils.importer$py._import$16(C:/Users/pranalm/AppData/Local/Temp/pip-install-sni8gx/robotframework/robot/utils/importer.py:188)
        at robot.utils.importer$py.call_function(C:/Users/pranalm/AppData/Local/Temp/pip-install-sni8gx/robotframework/robot/utils/importer.py)
        at robot.utils.importer$py.import_$31(C:/Users/pranalm/AppData/Local/Temp/pip-install-sni8gx/robotframework/robot/utils/importer.py:283)
        at robot.utils.importer$py.call_function(C:/Users/pranalm/AppData/Local/Temp/pip-install-sni8gx/robotframework/robot/utils/importer.py)
        at robot.utils.importer$py._import_class_or_module$5(C:/Users/pranalm/AppData/Local/Temp/pip-install-sni8gx/robotframework/robot/utils/importer.py:77)
        at robot.utils.importer$py.call_function(C:/Users/pranalm/AppData/Local/Temp/pip-install-sni8gx/robotframework/robot/utils/importer.py)
        at robot.utils.importer$py.import_class_or_module$4(C:/Users/pranalm/AppData/Local/Temp/pip-install-sni8gx/robotframework/robot/utils/importer.py:74)
        at robot.utils.importer$py.call_function(C:/Users/pranalm/AppData/Local/Temp/pip-install-sni8gx/robotframework/robot/utils/importer.py)
        at robot.model.visitor$py.visit_suite$2(C:/Users/pranalm/AppData/Local/Temp/pip-install-sni8gx/robotframework/robot/model/visitor.py:89)
        at robot.model.visitor$py.call_function(C:/Users/pranalm/AppData/Local/Temp/pip-install-sni8gx/robotframework/robot/model/visitor.py)
        at robot.model.testsuite$py.visit$21(C:/Users/pranalm/AppData/Local/Temp/pip-install-sni8gx/robotframework/robot/model/testsuite.py:174)
        at robot.model.testsuite$py.call_function(C:/Users/pranalm/AppData/Local/Temp/pip-install-sni8gx/robotframework/robot/model/testsuite.py)
        at robot.run$py.main$3(C:/Users/pranalm/AppData/Local/Temp/pip-install-sni8gx/robotframework/robot/run.py:452)
        at robot.run$py.call_function(C:/Users/pranalm/AppData/Local/Temp/pip-install-sni8gx/robotframework/robot/run.py)
        at robot.utils.application$py._execute$10(C:/Users/pranalm/AppData/Local/Temp/pip-install-sni8gx/robotframework/robot/utils/application.py:94)
        at robot.utils.application$py.call_function(C:/Users/pranalm/AppData/Local/Temp/pip-install-sni8gx/robotframework/robot/utils/application.py)
        at robot.utils.application$py.execute_cli$5(C:/Users/pranalm/AppData/Local/Temp/pip-install-sni8gx/robotframework/robot/utils/application.py:49)
        at robot.utils.application$py.call_function(C:/Users/pranalm/AppData/Local/Temp/pip-install-sni8gx/robotframework/robot/utils/application.py)
        at robot.run$py.run_cli$7(C:/Users/pranalm/AppData/Local/Temp/pip-install-sni8gx/robotframework/robot/run.py:492)
        at robot.run$py.call_function(C:/Users/pranalm/AppData/Local/Temp/pip-install-sni8gx/robotframework/robot/run.py)
        at runpy$py._run_code$9(C:/jython2.7.2/Lib/runpy.py:73)
        at runpy$py.call_function(C:/jython2.7.2/Lib/runpy.py)
        at runpy$py._run_module_as_main$14(C:/jython2.7.2/Lib/runpy.py:161)
        at runpy$py.call_function(C:/jython2.7.2/Lib/runpy.py)
Caused by: java.lang.ClassNotFoundException: org.robotframework.javalib.library.KeywordDocumentationRepository
        at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:338)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        ... 194 more
PYTHONPATH:
  C:\jython2.7.2\Lib
  __classpath__
  __pyclasspath__ /
  C:\jython2.7.2\Lib\site-packages
CLASSPATH:
  C:\jython2.7.2\jython.jar
  C:\jython2.7.2\jython.jar
  C:\swinglibrary-2.2.0.jar
  myApp.jar

```