Field extraction, string after last colon

[indeed_2000]

I have log file like this,want with regex extract everything after last colon in each line

input:

2020-06-28 15:03:32,710 ERROR In--111111 [Processor] FATAL: exception in process: javax.RollbackException: ARJUNA016053: Could not commit.

 2020-06-28 14:24:41,322 ERROR In--111111[Processor] FATAL: exception in process: [GG_010] Failed >> 0060:  required to perform this operation (extended persistence context).

2020-06-28 15:03:32,710 ERROR In--111111 [Processor] FATAL: exception in process: javax.RollbackException: ARJUNA016053:Could not update.

2020-06-28 12:08:21,777 ERROR in-app-9999999 [Service] authorize: org.closed.PropertyAccessException: Null value was assigned to a property [class co.domain.entity] of primitive type setter of domain.entity.

2020-06-28 15:03:32,710 ERROR In: Could not commit.

2020-06-28 15:03:32,: 71::0 :ERROR :In: not commit.

output:

Could not commit

required to perform this operation (extended persistence context)

Could not update

Null value was assigned to a property [class co.domain.entity] of primitive type setter of domain.entity.

Could not commit.

not commit.

Thanks

[isoutamo · Accepted solution]

You could try this:
| rex field=_raw ".*:(?<message>[^:]+)"
r. Ismo