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Informix - Problem description

Problem IT35673 Status: Closed

ASSERT IN MT_LOCK_HELPER CALLING JAVA UDR THAT EXECUTES SELECT STATEMENT
AND RETURNS JAVA.UTIL.VECTOR AS LIST(VARCHAR NOTNULL)

product:
INFORMIX SERVER / 5725A3900 / C10 - IDS 12.10
Problem description:
This problem reproduces running 12.10.FC14 on linux x86-64 but
it's suspected not to be platform specfici.

The key pieces to this repro seem to be

Call a stored procedure from database1.

This procedure calls a stored procedure from database2.   The
stored procedure in
database2 calls a java UDR that executes a query from another
java udr and then
returns a Vector type (java.util.Vector) into a LIST(LVARCHAR
NOT NULL)
as this function definition shows:

CREATE FUNCTION "informix".sp_submit_to_processor(LVARCHAR)
RETURNS LIST(LVARCHAR NOT NULL)
EXTERNAL NAME
'informix.processor_payment_jar:SubmitPayment.submitToProcessor(
java.lang.String)'
LANGUAGE java;

After the java udr completes, you will first see the following
assertion possibly followed
by several other varying assertions that may even crash the
server, but this is always the first:

0x0000000001410459 (oninit) afstack
0x0000000001413f41 (oninit) mt_ex_throw_sig
0x000000000141de13 (oninit) afsig_handler
0x0000003ddfa0e4c0 (Linux) 
0x000000000142ab11 (oninit) mt_lock_helper
0x0000000000594977 (oninit) sapi_drain_mem
0x00000000006a4ffd (oninit) crd2current
0x0000000000695eda (oninit) delcontext
0x000000000069781d (oninit) ip_clscur
0x0000000000698aa4 (oninit) ip_close
0x000000000061e17d (oninit) close_cb_subtree_r
0x000000000061e2a7 (oninit) close_cb_subtree
0x000000000061ec69 (oninit) closesdb
0x0000000000a1f6a1 (oninit) close_cursor
0x0000000000a208d9 (oninit) sq_close
0x0000000000ae7b71 (oninit) sqmain
0x000000000154290b (oninit) spawn_thread
0x0000000001401c70 (oninit) th_init_initgls
0x0000000001448997 (oninit) startup
Problem Summary:
****************************************************************
* USERS AFFECTED:                                              *
* Users of Informix Server prior to 12.10.xC15 and 14.10.xC6.  *
****************************************************************
* PROBLEM DESCRIPTION:                                         *
* See Error Description                                        *
****************************************************************
* RECOMMENDATION:                                              *
* Upgrade to Informix Server 12.10.xC15 (when available) or    *
* 14.10.xC6 (when available).                                  *
****************************************************************
Local Fix:
Solution
Workaround
****************************************************************
* USERS AFFECTED:                                              *
* Users of Informix Server prior to 12.10.xC15 and 14.10.xC6.  *
****************************************************************
* PROBLEM DESCRIPTION:                                         *
* See Error Description                                        *
****************************************************************
* RECOMMENDATION:                                              *
* Upgrade to Informix Server 12.10.xC15 (when available) or    *
* 14.10.xC6 (when available).                                  *
****************************************************************
Comment
Fixed in Informix Server 12.10.xC15 and 14.10.xC6.
Timestamps
Date  - problem reported    :
Date  - problem closed      :
Date  - last modified       :
22.01.2021
18.05.2021
18.05.2021
Problem solved at the following versions (IBM BugInfos)
Problem solved according to the fixlist(s) of the following version(s)
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