Precompilers and OCI (MOSC)

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Crash in OCILobRead2() when fetching JSON in to SQLT_CLOB

edited May 28, 2021 2:47PM in Precompilers and OCI (MOSC) 3 commentsAnswered

Hello,

I am using Oracle instant client 21.1.0.0.0 and an 21c ATP database in Oracle cloud.

According to the OCI doc:

Section "Compatibility with Client Libraries Prior to Release 21c"

It should be possible to fetch native JSON data into SQLT_CLOB.

But when reading the CLOB data after fetch the row, I get a crash in OCILobRead2().

I have a sample program to reproduce.

Here the stack trace of gdc (my OCI client runs on Linux Debian 10):

Program received signal SIGSEGV, Segmentation fault.

0x00007ffff5256c65 in kpulbc_get_pref_data () from /opt3/dbs/ora/instantclient_21/libclntsh.so.21.1

(gdb) where

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