Can't log in: Captcha not displaying

Question

I was trying to test using the REST API, I got a response telling me I needed to complete a captcha. I logged out and tried to log in and saw this image:

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Unfortunately the CAPTCHA isn't displaying:

I see the server is rturning a 500 for the captcha request

Error creating bean with name 'imageCaptchaServicePrototype' defined in class path resource [stash-context.xml]: Cannot create inner bean 'com.atlassian.stash.internal.web.util.captcha.StashCaptchaEngine#4ef54ec2' of type [com.atlassian.stash.internal.web.util.captcha.StashCaptchaEngine] while setting constructor argument; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'com.atlassian.stash.internal.web.util.captcha.StashCaptchaEngine#4ef54ec2' defined in class path resource [stash-context.xml]: Instantiation of bean failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [com.atlassian.stash.internal.web.util.captcha.StashCaptchaEngine]: Constructor threw exception; nested exception is java.lang.ArrayIndexOutOfBoundsException: 0

I can't reset password, because:

Angel Ruiz_m6y0h0 · Answer

Hi there,

I am sorry I did not get back to this thread earlier to say we were able to fix it following this KB guide: https://confluence.atlassian.com/bitbucketserverkb/captcha-image-doesn-t-render-779171210.html

Cheers!

Drakeo · Answer

It is back same issue I am admin

Jonathan Vezinat_g78sud · Answer

If it can't mail out, then yes, you will need an admin to unlock.  Or, you could google "reset bitbucket admin password" and that will get you in.  Otherwise you will need to wait for your bitbucket admin to unlock/set password.