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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Thomas Markus <t.markus@proventis.net>
cc: pgsql-jdbc@lists.postgresql.org
Subject: Re: org.postgresql.util.PSQLException: ERROR: value out of range:
 underflow
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Comments: In-reply-to Thomas Markus <t.markus@proventis.net>
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Date: Sun, 06 Feb 2022 11:45:43 -0500
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Thomas Markus <t.markus@proventis.net> writes:
> a customer got the exception "org.postgresql.util.PSQLException: ERROR: 
> value out of range: underflow" without any stacktrace etc.

I'd venture that the cause is some server-side double precision
arithmetic that underflowed.  It's not that hard to hit, eg

postgres=# select 1e-200::float8 * 1e-200::float8;
ERROR:  value out of range: underflow

			regards, tom lane