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ORA-07445 [lxgu2t] or ORA-01830 Using TO_DATE Function (Doc ID 1509484.1)

Last updated on OCTOBER 03, 2019

Applies to:

Oracle Database - Enterprise Edition - Version 11.1.0.7 and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Backup Service - Version N/A and later
Information in this document applies to any platform.

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Any similarity to actual persons, living or dead, is purely coincidental and not intended in any manner.

Symptoms

You are receiving an error similar to the one below in the alert log:

ORA-07445: exception encountered: core dump [lxgu2t()+6556] [SIGSEGV] [ADDR:0x0] [PC:0x1055D629C] [Address not mapped to object]

The trace file shows current sql and call stack information similar to the one below and the current sql contains the TO_DATE function.

Current SQL:


select to_date(d_create_ts, 'YYYY') from policy where c_line_cd = '064'

Call Stack:

lxgu2t <- lxhlinfo <- ldxlid16to8 <- ldxcdc <- obaidt <-xtyopncb <- qctcopn <- qctcpqb <- opitca <- kksLoadChild <- kxsGetRuntimeLock <- kksfbc <- kkspsc0 <- kksParseCursor <- opiosq0 <- opiall0 <- opikpr <- opiodr <- rpidrus <- skgmstack <- rpidru <- rpiswu2 <- kprball <- kkxs_parse <- pevm_icd_call_commo <- pfrinstr_ICAL <- pfrrun_no_tool <- pfrrun <- plsql_run <- peicnt <- kkxexe <- opiexe <- kpoal8 <- opiodr <- ttcpip <- opitsk <- opiino <- opiodr <- opidrv <- sou2o <- main <- start

You might also observe the error below when trying to run the statement manually from SQL*Plus or SQL*Developer:

ORA-01830: date format picture ends before converting entire input string

Cause

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In this Document
Symptoms
Cause
Solution


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