As discussed in https://github.com/jenkinsci/jenkins/pull/10456#discussion_r2010184507

due to hudson.model.RunMap#getById(String) supporting String parameter it requires to catch NumberFormatException in there - and returning a null if it happens.

Ideally this validation should have been already done by the caller, and ensure a number is sent instead of string.

It is kept this way for historically id was a date-time format string.

See https://github.com/jenkinsci/jenkins/commit/843d2387234080efc2fa86acdd52b3053cbd08dd#diff-95652fadfce64ddb3df4fd56881234fd266aaefed40628c190adc4298e597aadR194-R202