GnuCOBOL / Discussion / Help getting started: cobol and oracle database

Anonymous - 2014-08-07

Hello my name is Johann Guttner and I would like your help please because I am a beginner with Cobol
I am using Oracle Database and did already compile Cobol source code with SQL and Cobol Code I found on the Internet using GNUCobol Version 2.0
I did so with Pro*Cobol Compiler from Oracle

I saw esqlOC but this is just for MySQL
I want to connect to my Oracle Database with a small Cobol Program but I do not know how
If possible I would like to connect with Connection string with DSN

I use Oracle Linux 6.5 and I tried to install GNUCobol too but it says GMP Header and Library do not match
So I compile with Pro*Cobol first and compile later with Cygwin
I hope you people can help me and I thank you for it

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Anonymous - 2014-08-07

I think I made progress
I used Code fragements from the Internet
I compiled again with Pro*Cobol, now I compile with GNUCobol and it there is no error.
but when I run the program it shows me

datenbank.cbl: 132: libcob: Cannot find module 'sqladr'

because I cannot install GNUCobol on Oracle Linux 6.5 I compiled it with Lubuntu now
I copied libsql12.a and libclntsh.so.12.1 to Lubuntu
I used this command here

export COB_LIBRARY_PATH="~/Desktop/lib/"
COB_PRE_LOAD=libsql12.a
cobc -x -I ./copy/ -L ./lib/ -sql12.a
export COB_LIBRARY_PATH="~/Desktop/lib/"
COB_PRE_LOAD=libsql12.a
./datenbank

and I also tried with clntsh instead of sql12
I renamed "CALL SQLADR" to "CALL sqladr" also because libsql12.a has lower characters with sqladr
thank you again

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Simon Sobisch - 2014-08-07

I've never used Pro*COBOL before. Without further investigation I think libsql12.a may be a static library (just add it to your cobc command line in this case, for example 'cobc -x -I ./copy datenbank.cbl libsql12.a') while libclntsh.so (Where did you copied the .so.12.1 file from?) is a dynamically loading library (which should be renamed to .so and put into environment via export COB_PRE_LOAD=libclntsh (.so will be added by libcob))?

If you're sure sqladr is exported only with lower characters the change to lowercase is correct.

What does the manual for Pro*COBOL says?

Simon

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Anonymous - 2014-08-08

I tried with 'cobc -x -I ./copy datenbank.cbl libsql12.a'
It did not work
I renamed to libclntsh.so too
I copied the .so.12.1 file from $ORACLE_HOME$/lib

This files come from Oracle Database Version 12c
Oracle says:
For clarity and ease of development, the library structure is changed starting with Oracle Database 12c Release 1 (12.1). The client shared library, libclntsh.so.12.1, depends on libclntshcore.so.12.1. The libclntshcore.so.12.1 library contains the NLS and CORE functionality. Both of these libraries must be installed in the same directory.

And yes I copied libclntshcore too
Oracle Documentation about Pro*Cobol is not very good
Maybe it is better if I am able to install GNUCobol on Oracle Linux Server 6.5 because everything else is installed there already

You do not know how to solve this GMP Error or?
[oracle@localhost gnu-cobol-2.0]$ ./configure -enable-debug
.
.
.
.
checking gmp.h usability... yes
checking gmp.h presence... yes
checking for gmp.h... yes
checking for __gmpz_init in -lgmp... yes
checking matching GMP version ... no
Header has version 6.0.0
Library has version 4.3.1
configure: error: Unable to use GMP - Please check config.log

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Anonymous - 2014-08-11

does noone at least know how to fix the GMP Error?

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Brian - 2014-08-11

as far as I'm aware you probably installed gmp with yum.
ol6.repo is pretty old not to say ancient which leads to your library version 4.3.1 .

did you try to install gmp from source?

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Anonymous - 2014-08-12

I installed gmp6-0-0 now and now I get this Error when I do ./configure --enable-debug

configure: error: Unable to extract GMP version information from gmp.h

I tried to run configure with Administrator too

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- Brian - 2014-08-13
  
  this has nothing to do with gmp.h .
  it's IMHO a missing symbolic link.
  I'm pretty sure you're using a 64bit oracle linux.
  
  do something like this:
  
  ::php locate libgmp e.g. output: /usr/local/lib/libgmp.so.10 sudo ln -s /usr/local/lib/libgmp.so.10 /usr/lib64/libgmp.so.10
  
  best wishes,
  Brian
  
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Simon Sobisch - 2014-08-12

Sounds weird. How did you installed gmp?
Please post config.log and we will see more details.

BTW: You do know that your configure line leads to debugging symbols in GNU Cobol, don't you?

Simon

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Anonymous - 2014-08-13

Thank you Brian I was able to install GNUCobol now and I was able to compile everything without SQLADR Error
But I get a Error when I run the program now
Pro*Cobol makes a "CALL SQLBEX" into my program and it crashes when it wants to be called

the Error says
Attempt to reference unallocated memory (Signal SIGSEGV)

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Klaus Schäfer - 2014-08-13

Can you post the program and markt the part with the error ? May be there is something missing, what the precompiler is not printing out sqlca or other things. I wrote many sql-oracle-Programs on an IBM Z/OS-Host with Cobol85 and they work fine.

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Klaus Schäfer - 2014-08-13

are all libs same architecture all 64Bit or all 32Bit ?

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I do not know if all are 64bit how shall I check that?

I tried this program

::cobol
         identification division.
         program-id. oracle.
         data division.
         working-storage section.
                 exec sql include sqlca end-exec.
                 exec sql begin declare section end-exec.
         01 username pic x(10).
         01 password pic x(10).
                 exec sql end declare section end-exec.

         procedure division.
         login.
                 move "pmuser" to username. 
                 move "oracle" to password. 
                 display "sql connecting".
                 exec sql 
                     connect :username identified by :password 
                 end-exec. 
                 display "sql connected".

It crashes with the Database Login

::cobol
      *          exec sql 
      *              connect :username identified by :password 
      *          end-exec.
                 MOVE 10 TO SQL-ITERS
                 MOVE 5 TO SQL-OFFSET
                 MOVE 0 TO SQL-OCCURS
                 CALL "SQLADR" USING
                     SQLCUD
                     SQL-CUD
                 CALL "SQLADR" USING
                     SQLCA
                     SQL-SQLEST
                 MOVE 4352 TO SQL-SQLETY
                 CALL "SQLADR" USING
                     USERNAME
                     SQL-SQHSTV(1)
                 MOVE 10 TO SQL-SQHSTL(1)
                 MOVE 10 TO SQL-SQHSTS(1)
                 MOVE 0 TO SQL-SQINDV(1)
                 MOVE 0 TO SQL-SQINDS(1)
                 MOVE 0 TO SQL-SQHARM(1)
                 CALL "SQLADR" USING
                     PASSWORD
                     SQL-SQHSTV(2)
                 MOVE 10 TO SQL-SQHSTL(2)
                 MOVE 10 TO SQL-SQHSTS(2)
                 MOVE 0 TO SQL-SQINDV(2)
                 MOVE 0 TO SQL-SQINDS(2)
                 MOVE 0 TO SQL-SQHARM(2)
                 CALL "SQLADR" USING
                     SQL-SQHSTV(1)
                     SQL-SQPHSV
                 CALL "SQLADR" USING
                     SQL-SQHSTL(1)
                     SQL-SQPHSL
                 CALL "SQLADR" USING
                     SQL-SQHSTS(1)
                     SQL-SQPHSS
                 CALL "SQLADR" USING
                     SQL-SQINDV(1)
                     SQL-SQPIND
                 CALL "SQLADR" USING
                     SQL-SQINDS(1)
                     SQL-SQPINS
                 CALL "SQLADR" USING
                     SQL-SQHARM(1)
                     SQL-SQPARM
                 CALL "SQLADR" USING
                     SQL-SQHARC(1)
                     SQL-SQPARC

                 CALL "SQLBEX" USING
                     SQLCTX
                     SQLEXD
                     SQLFPN
                     .
                 display "sql connected".

run:

[oracle@localhost Desktop]$ ./oracle
sql connecting

oracle.cob: 180: Attempt to reference unallocated memory (Signal SIGSEGV)
Abnormal termination - File contents may be incorrect

Last edit: Simon Sobisch 2014-09-11

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Brian - 2014-08-14

@Johann: I'm 99.9% sure to know the cause of your problem.
you should register to be able to post without moderation and I'd also send you a private message with my skype id if you need further help.

best wishes,
Brian

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- Andoli - 2014-09-11
  
  Hi Brian I have the same problem. Have you find a solution?
  Andrea
  
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  - Brian - 2014-09-15
    
    hi Andrea,
    
    does your problem still persist?
    if so pls check for correct COMP/COMP-5 config settings first
    
    best wishes,
    Brian
    
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    - Andoli - 2014-09-15
      
      Thanks Brian for support,
      where I found instruction for right configuration?
      I tried to put in the file pcbcfg.cfg "Comp5 = yes" and "Comp5 = no" without solving the problem.
      Andrea
      
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      - Brian - 2014-09-15
        
        okay Andrea,
        
        could you clarify what your exact problem is?
        if possible provide some code for better explanation please.
        
        best wishes,
        Brian
        
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        Anonymous - 2014-09-15
        
        This is the code Brian:
        
        ::cobol IDENTIFICATION DIVISION. PROGRAM-ID. RDS-TEST. ********************************************** * Test connessione a db * ********************************************** ENVIRONMENT DIVISION. CONFIGURATION SECTION. INPUT-OUTPUT SECTION. DATA DIVISION. * WORKING-STORAGE SECTION. * EXEC SQL BEGIN DECLARE SECTION END-EXEC. * 01 WK-USER PIC X(10) VARYING. 01 WK-PWD PIC X(10) VARYING. 01 OWK-DB PIC X(10) VARYING. * EXEC SQL END DECLARE SECTION END-EXEC. * EXEC SQL INCLUDE SQLCA.COB END-EXEC. * PROCEDURE DIVISION. * CONNESSIONE-ORACLE. DISPLAY "COLLEGAMENTO AL DB IN CORSO...". MOVE "********" TO WK-USER. MOVE "********" TO WK-PWD. MOVE "***" TO OWK-DB. EXEC SQL WHENEVER SQLWARNING CONTINUE END-EXEC. EXEC SQL WHENEVER SQLERROR GOTO CHIUDI END-EXEC. EXEC SQL WHENEVER NOT FOUND GOTO CHIUDI END-EXEC. * CONNECT-ORACLE. EXEC SQL CONNECT :WK-USER IDENTIFIED BY :WK-PWD AT :OWK-DB USING :OWK-DB END-EXEC. DISPLAY "COLLEGAMENTO AL DB RIUSCITO!". * CHIUDI. DISPLAY SQLERRMC. STOP RUN.
        
        This is my pcbcfg.cfg parameter
        
        ::text define=bit64 picx=varchar2 comp5=yes mode=oracle maxopencursors=40
        
        This is my procob.mk
        
        ::text COB=cobc # InstantClient Directories. ICSDKHOME=$(ORACLE_HOME)/sdk ICLIBHOME=$(ORACLE_HOME)/ MKLINK=ln REMOVE=rm -rf CLNCACHE=cleancache CACHEDIR=SunWS_cachea MAKE=make MAKEFILE=procob.mk PROCOBDEMO=$(ORACLE_HOME)/* PROCOB=$(ICSDKHOME)/procob ICLIBPATH=$(LDPATHFLAG)$(ICLIBHOME) SO_EXT=.so # MICROFOCUS # COBFLAGS=-C IBMCOMP -C NESTCALL -t -x # OPENCOBOL COBFLAGS=-x #PROCOBFLAGS=picx=varchar2 LDPATHFLAG=-L COBSQLINTF=$(ICLIBHOME)cobsqlintf.o LDLIBS=$(EXSYSLIBS) $(MATHLIB) $(USRLIBS) EXSYSLIBS=-ldl MATHLIB=-lm COBOL_PROLDLIBS=$(SHARED_CLIENTLIBS) $(LDLIBS) SHARED_CLIENTLIBS=$(LLIBCLNTSH) $(LDFLAGS) LLIBCLNTSH=$(LDLIBFLAG)$(LIBCLNTSHNAME) LDLIBFLAG=-l LIBCLNTCORENAME=clntshcore LIBCLNTSHNAME=clntsh LDFLAGS=-g DEMO_PROCOB_BUILD=$(COB) $(COBFLAGS) -o $(EXE) $(COBS) $(ICLIBPATH) $(COBSQLINTF) $(COBOL_PROLDLIBS) #DEMO_PROCOB_BUILD=$(COB) -x -o $(EXE) $(COBS) $(ICLIBPATH) $(COBSQLINTF) $(COBOL_PROLDLIBS) ##### MICROFOCUS #DEMO_PROCOB_BUILD_SHARED=$(COB) $(COBFLAGS) -o $(EXE) $(COBS) $(LDPATHFLAG)$(LIBHOME) $(COBSQLINTF) $(COBOL_PROLDLIBS) ##### OPENCOBOL #DEMO_PROCOB_BUILD_SHARED=$(COB) $(COBFLAGS) $(COBS) $(LDPATHFLAG)$(LIBHOME) $(COBSQLINTF) $(COBOL_PROLDLIBS) ##### MICROFOCUS #DEMO_PROCOB_BUILD_STATIC=$(COB) $(COBFLAGS) -o $(EXE) $(COBS) $(LDPATHFLAG)$(LIBHOME) $(COBSQLINTF) $(COBOL_STATICPROLDLIBS) ##### OPENCOBOL #DEMO_PROCOB_BUILD_STATIC=$(COB) $(COBFLAGS) $(COBS) $(LDPATHFLAG)$(LIBHOME) $(COBSQLINTF) $(COBOL_STATICPROLDLIBS) #----------------------------------------------------------------------------- # Targets for building the procob sample programs. # # The target 'build' puts together an executable $(EXE) from the cobol # sources in $(COBS) and the libraries in $(COBOL_PROLDLIBS). # The rules to make .cob files from .pco files are later in this file. # all: clean $(PROCOBDEMO) $(PROCOBDEMO): $(MAKE) -f $(MAKEFILE) build COBS=$@.cob EXE=$@ build: $(CLNCACHE) $(COBS) $(MKLINK) $(ICLIBHOME)libclntshcore$(SO_EXT).12.1 $(ICLIBHOME)libclntshcore$(SO_EXT) $(MKLINK) $(ICLIBHOME)libclntsh$(SO_EXT).12.1 $(ICLIBHOME)libclntsh$(SO_EXT) $(DEMO_PROCOB_BUILD) $(REMOVE) $(ICLIBHOME)libclntshcore$(SO_EXT) $(REMOVE) $(ICLIBHOME)libclntsh$(SO_EXT) # .SUFFIXES: .cob .cbl .o .pco $(GNT) .pco.cob: $(PROCOB) $(PROCOBFLAGS) iname=$*.pco .cob$(GNT): $(COB2GNT) clean: $(CLNCACHE) $(REMOVE) $(PROCOBDEMO) $(PROCOBDEMO).o $(PROCOBDEMO).cob $(PROCOBDEMO).lis $(PROCOBDEMO).int $(PROCOBDEMO).idy cleancache: $(REMOVE) $(CACHEDIR) $(REMOVE) $(ICLIBHOME)libclntshcore$(SO_EXT) $(REMOVE) $(ICLIBHOME)libclntsh$(SO_EXT)
        
        When I compile this is output:
        
        ::text rm -rf SunWS_cachea rm -rf /usr/lib/oracle/instantclient_12_1/libclntshcore.so rm -rf /usr/lib/oracle/instantclient_12_1/libclntsh.so /usr/lib/oracle/instantclient_12_1/sdk/procob iname=/WRK/COBOL/SORGENTI/rds-test.pco Pro*COBOL: Release 12.1.0.2.0 - Production on Mon Sep 15 11:32:11 2014 Copyright (c) 1982, 2014, Oracle and/or its affiliates. All rights reserved. System default option values taken from: /usr/lib/oracle/instantclient_12_1/precomp/admin/pcbcfg.cfg ln /usr/lib/oracle/instantclient_12_1/libclntshcore.so.12.1 /usr/lib/oracle/instantclient_12_1/libclntshcore.so ln /usr/lib/oracle/instantclient_12_1/libclntsh.so.12.1 /usr/lib/oracle/instantclient_12_1/libclntsh.so cobc -x -o /WRK/COBOL/COMPILE/rds-test /WRK/COBOL/SORGENTI/rds-test.cob -L/usr/lib/oracle/instantclient_12_1/ /usr/lib/oracle/instantclient_12_1/cobsqlintf.o -lclntsh -g -ldl -lm rm -rf /usr/lib/oracle/instantclient_12_1/libclntshcore.so rm -rf /usr/lib/oracle/instantclient_12_1/libclntsh.so RDS oracle@opencobol:/WRK/COBOL/SORGENTI$ ./compila-oracle rds-test rm -rf SunWS_cachea rm -rf /usr/lib/oracle/instantclient_12_1/libclntshcore.so rm -rf /usr/lib/oracle/instantclient_12_1/libclntsh.so ln /usr/lib/oracle/instantclient_12_1/libclntshcore.so.12.1 /usr/lib/oracle/instantclient_12_1/libclntshcore.so ln /usr/lib/oracle/instantclient_12_1/libclntsh.so.12.1 /usr/lib/oracle/instantclient_12_1/libclntsh.so cobc -x -o /WRK/COBOL/COMPILE/rds-test /WRK/COBOL/SORGENTI/rds-test.cob -L/usr/lib/oracle/instantclient_12_1/ /usr/lib/oracle/instantclient_12_1/cobsqlintf.o -lclntsh -g -ldl -lm rm -rf /usr/lib/oracle/instantclient_12_1/libclntshcore.so rm -rf /usr/lib/oracle/instantclient_12_1/libclntsh.so
        
        When I run the program... this is the error:
        
        ::text ./rds-test COLLEGAMENTO AL DB IN CORSO... /WRK/COBOL/SORGENTI/rds-test.cob: 243: Attempt to reference unallocated memory (Signal SIGSEGV) Abnormal termination - File contents may be incorrect
        
        At line 243 in rds-test.cob there is this instruction:
        
        ::text 236 CALL "SQLADR" USING 237 SQL-SQHARM(1) 238 SQL-SQPARM 239 CALL "SQLADR" USING 240 SQL-SQHARC(1) 241 SQL-SQPARC 242 243 CALL "SQLBEX" USING 244 SQLCTX 245 SQLEXD 246 SQLFPN 247 248 IF SQLCODE IN SQLCA IS LESS THAN 0 249 THEN GO TO CHIUDI END-IF. 250 DISPLAY "COLLEGAMENTO AL DB RIUSCITO!". 251
        
        The error is generated if I declare the variable "PIC X" as "varying". If I do not put "varying" this runtime error does not appear but unfortunately not applied the parameter "Picx = varchar2" but "Picx = Charf" although in the configuration file (pcbcfg.cfg) there is.
        Not removing the spaces in the bottom of the strings and the connection fails, however, the activity with sql strings become complicated ...
        You need some more information?
        I hope that I have not posted too much stuff ...
        
        Thanks a lot.
        Andrea
        
        Last edit: Brian Tiffin 2014-10-14
        
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        Andoli - 2014-09-15
        
        My code is the same of "Anonymous" posted 2014-08-14, the only difference is on variable declaration (I put VARYING).
        
        The runtime error (Attempt to reference unallocated memory (Signal SIGSEGV)
        Abnormal termination - File contents may be incorrect) is generated if I declare the variable "PIC X" as "varying". If I do not put "varying" this runtime error does not appear but unfortunately not applied the parameter "Picx = varchar2" but "Picx = Charf" although in the configuration file (pcbcfg.cfg) there is.
        Not removing the spaces in the bottom of the strings and the connection fails, however, the activity with sql strings become complicated ...
        
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        Brian - 2014-09-15
        
        Oracle DB needs to know the password and username length.
        in your code you only supply pw & username.
        
        you also need something like:
        MOVE 10 TO PASSWORD-LEN.
        MOVE 10 TO USERNAME-LEN.
        
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        Andoli - 2014-09-16
        
        Hi Brian,
        problems persist in every way ...
        If I use the statement "VARYING" I have a runtime error "Attempt to reference unallocated memory (Signal SIGSEGV)", also adding correctly the "MOVE" you suggested
        But if I do not use "VARYING" I can not operate the variables "PIC X" as "varchar" instead of "Charf." In pcbcfg file (Oracle precompiler) I put "Picx = varchar2" without results ...
        
        Thanks for your patience
        
        Andrea
        
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        Andoli - 2014-09-16
        
        I've found this note on Oracle support... maybe...
        My Oracle Client e Precompiler are 64bit (12.1 release).
        I've installed Opencobol 2.0 but where can i found if it is 64 or 32?
        
        Document 1156473.pdf
        
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        Brian - 2014-09-16
        
        you can use the 'file' command if you've produced an executable (cobc -x)
        
        e.g.:
        
        'file ~/Desktop/gnuc'
        
        or
        
        'file gnuc' if you already are in the working directory
        
        Last edit: Brian 2014-09-16
        
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        Andoli - 2014-09-16
        
        ok is 64 bit
        ELF 64-bit LSB executable, x86-64, version 1 (SYSV), dynamically linked (uses shared libs), for GNU/Linux 2.6.24, BuildID[sha1]=5ea1697b84416c488fc55d0b2977f21494533ff0, not stripped
        
        Oracle client and precompiler sdk is 64 bit too.
        
        This is not the right way ...
        
        I keep looking for the solution to the problem ...
        
        Thanks
        
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cobol and oracle database

A free COBOL compiler

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cobol and oracle database

cobol and oracle database

A free COBOL compiler

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cobol and oracle database document.SUBSCRIPTION_OPTIONS = { "thing": "topic", "subscribed": false, "url": "subscribe", "icon": { "css": "fa fa-envelope-o" } };

cobol and oracle database