When I try using DefaultManageableImageCaptchaService class, spring is not able to instantiate this class. I also included imaging-01012005.jar as mentioned on the past issue.
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<bean class="com.octo.captcha.service.image.DefaultManageableImageCaptchaService" id="imageCaptchaService"/>
--------------------------- Error Logs ---------------------------------
2010-09-08 16:26:50,927 ERROR [] org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/].[dotcom]: Servlet.service() for servlet dotcom threw exception
java.lang.NoSuchMethodError: com.jhlabs.image.WaterFilter.setAmplitude(D)V
at com.octo.captcha.engine.image.gimpy.DefaultGimpyEngine.buildInitialFactories(DefaultGimpyEngine.java:59)
at com.octo.captcha.engine.image.ListImageCaptchaEngine.<init>(ListImageCaptchaEngine.java:24)
at com.octo.captcha.engine.image.gimpy.DefaultGimpyEngine.<init>(DefaultGimpyEngine.java:48)
at com.octo.captcha.service.image.DefaultManageableImageCaptchaService.<init>(DefaultManageableImageCaptchaService.java:32)