Prior to this commit, concurrent invocations of DefaultListableBeanFactory.removeBeanDefinition() could result in a NullPointerException. This commit fixes this by adding an appropriate not-null check in resetBeanDefinition(). Closes gh-23542
Prior to this commit, concurrent invocations of DefaultListableBeanFactory.removeBeanDefinition() could result in a NullPointerException. This commit fixes this by adding an appropriate not-null check in resetBeanDefinition(). Closes gh-23542