Thanks again, Scott. No success yet though. I uninstalled Oracle instant client 12.1 using dpkg, downloaded RPMs for instant client 10.2 and installed them with alien.
I also downloaded oracle_fdw 1.4 and installed it, since I was getting this error with oracle_fdw 1.5: --- postgres=# create extension oracle_fdw; ERROR: could not load library "/usr/lib/postgresql/9.4/lib/oracle_fdw.so": libclntsh.so.12.1: cannot open shared object file: No such file or directory --- Once I installed oracle_fdw 1.4 I got this: # ldd /usr/lib/postgresql/9.4/lib/oracle_fdw.so linux-vdso.so.1 => (0x00007ffc3b5ec000) libclntsh.so.10.1 => /usr/lib/oracle/10.2.0.3/client64/lib/libclntsh.so.10.1 (0x00007f7251471000) libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f72510e6000) libnnz10.so => /usr/lib/oracle/10.2.0.3/client64/lib/libnnz10.so (0x00007f7250c42000) libdl.so.2 => /lib/x86_64-linux-gnu/libdl.so.2 (0x00007f7250a3e000) libm.so.6 => /lib/x86_64-linux-gnu/libm.so.6 (0x00007f72507bc000) libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 (0x00007f725059f000) libnsl.so.1 => /lib/x86_64-linux-gnu/libnsl.so.1 (0x00007f7250387000) /lib64/ld-linux-x86-64.so.2 (0x00007f7252a3b000) But again when I try to load the extension I get the same error and Postgres crashes. When I look in the latest log file at /var/lib/postgresql/9.4/main/pg_log I see these lines: --- t=2016-09-15 16:16:08 PDT d= h= p=25327 a=LOG: 00000: server process (PID 20397) was terminated by signal 11: Segmentation fault t=2016-09-15 16:16:08 PDT d= h= p=25327 a=DETAIL: Failed process was running: create extension oracle_fdw; t=2016-09-15 16:16:08 PDT d= h= p=25327 a=LOCATION: LogChildExit, postmaster.c:3347 t=2016-09-15 16:16:08 PDT d= h= p=25327 a=LOG: 00000: terminating any other active server processes t=2016-09-15 16:16:08 PDT d= h= p=25327 a=LOCATION: HandleChildCrash, postmaster.c:3068 t=2016-09-15 16:16:08 PDT d=svp2 h=127.0.0.1 p=19672 a=[unknown] WARNING: 57P02: terminating connection because of crash of another server process t=2016-09-15 16:16:08 PDT d=svp2 h=127.0.0.1 p=19672 a=[unknown] DETAIL: The postmaster has commanded this server process to roll back the current transaction and exit, because another server process exited abnormally and possibly corrupted shared memory. t=2016-09-15 16:16:08 PDT d=svp2 h=127.0.0.1 p=19672 a=[unknown] HINT: In a moment you should be able to reconnect to the database and repeat your command. t=2016-09-15 16:16:08 PDT d=svp2 h=127.0.0.1 p=19672 a=[unknown] LOCATION: quickdie, postgres.c:2581 t=2016-09-15 16:16:08 PDT d= h= p=19668 a=WARNING: 57P02: terminating connection because of crash of another server process --- On Thu, Sep 15, 2016 at 2:58 PM, Scott Mead <sco...@openscg.com> wrote: > > > On Thu, Sep 15, 2016 at 4:57 PM, Arun Rangarajan <arunrangara...@gmail.com > > wrote: > >> Thanks, Scott. >> >> oracle_fdw version 1.5.0 from http://pgxn.org/dist/oracle_fdw/ >> >> Oracle client version: instantclient 12.1 >> > > I've had problems using anything > instant client 10. Give it a shot. > > --Scott > > > >> >> /usr/lib/postgresql/9.4/lib# ldd oracle_fdw.so >> linux-vdso.so.1 => (0x00007fff50744000) >> libclntsh.so.12.1 => /usr/lib/oracle/12.1/client64/lib/libclntsh.so.12.1 >> (0x00007f44769f1000) >> libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f4476666000) >> libnnz12.so => /usr/lib/oracle/12.1/client64/lib/libnnz12.so >> (0x00007f4475f4f000) >> libons.so => /usr/lib/oracle/12.1/client64/lib/libons.so >> (0x00007f4475d0b000) >> libdl.so.2 => /lib/x86_64-linux-gnu/libdl.so.2 (0x00007f4475b07000) >> libm.so.6 => /lib/x86_64-linux-gnu/libm.so.6 (0x00007f4475884000) >> libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 >> (0x00007f4475668000) >> libnsl.so.1 => /lib/x86_64-linux-gnu/libnsl.so.1 (0x00007f4475450000) >> librt.so.1 => /lib/x86_64-linux-gnu/librt.so.1 (0x00007f4475247000) >> libaio.so.1 => /lib/x86_64-linux-gnu/libaio.so.1 (0x00007f4475045000) >> libclntshcore.so.12.1 => >> /usr/lib/oracle/12.1/client64/lib/libclntshcore.so.12.1 >> (0x00007f4474af5000) >> /lib64/ld-linux-x86-64.so.2 (0x00007f447990c000) >> >> >> >> On Thu, Sep 15, 2016 at 1:10 PM, Scott Mead <sco...@openscg.com> wrote: >> >>> >>> >>> On Thu, Sep 15, 2016 at 3:25 PM, Arun Rangarajan < >>> arunrangara...@gmail.com> wrote: >>> >>>> I am following the instructions here: >>>> http://blog.dbi-services.com/connecting-your-postgresql-inst >>>> ance-to-an-oracle-database/ >>>> to install Oracle foreign data wrapper, oracle_fdw, on a PostgreSQL >>>> server. >>>> >>>> --- >>>> Oracle version: Oracle Database 12c Enterprise Edition Release >>>> 12.1.0.2.0 - 64bit Production, running on Red Hat Linux 7.2 >>>> >>>> PostgreSQL version: PostgreSQL 9.4.4 on x86_64-unknown-linux-gnu, >>>> compiled by gcc (Debian 4.7.2-5) 4.7.2, 64-bit, running on Debian 7 >>>> (wheezy). >>>> --- >>>> >>>> I was able to install sqlplus and connect from PostgreSQL server to >>>> Oracle server using sqlplus successfully, so connectivity is not a problem. >>>> >>>> But when I try to create the extension, I get the following error: >>>> >>>> >>> --- >>>> postgres=# create extension oracle_fdw; >>>> server closed the connection unexpectedly >>>> This probably means the server terminated abnormally >>>> before or while processing the request. >>>> The connection to the server was lost. Attempting reset: Failed. >>>> >>> >>> Hmm, odd that it's causing a crash. >>> >>> Which version of the oracle_fdw and which version of the oracle >>> libraries are you linked to? Make sure to check 'ldd oracle_fdw.so' >>> >>> --Scott >>> >>> >>> >>>> --- >>>> >>>> Then I took clues from https://github.com/dalibo/pg_qualstats/issues/1 >>>> and added oracle_fdw to shared_preload_libraries in postgresql.conf like >>>> this: >>>> >>>> shared_preload_libraries = 'oracle_fdw' >>>> >>>> but now I can't restart Postgres: >>>> >>>> --- >>>> # service postgresql restart >>>> [....] Restarting PostgreSQL 9.4 database server: main[....] The >>>> PostgreSQL server failed to start. Please check the log output: >>>> t=2016-09-15 11:05:42 PDT d= h= p=23300 a=FATAL: XX000: invalid cache >>>> ID[FAILt=2016-09-15 11:05:42 PDT d= h= p=23300 a=LOCATION: >>>> SearchSysCacheList, syscache.c:1219 ... failed! >>>> failed! >>>> --- >>>> >>>> Looking into /var/log/postgresql/postgresql-9.4-main.log I only see >>>> these two lines: >>>> >>>> t=2016-09-15 11:05:42 PDT d= h= p=23300 a=FATAL: XX000: invalid cache >>>> ID: 41 >>>> t=2016-09-15 11:05:42 PDT d= h= p=23300 a=LOCATION: >>>> SearchSysCacheList, syscache.c:1219 >>>> >>>> Removing oracle_fdw from shared_preload_libraries allows postgres to be >>>> restarted, so this is the one causing restart to fail. >>>> >>>> How to fix this and get the foreign data wrapper working? >>>> >>>> Thank you. >>>> >>>> >>>> >>> >>> >>> >>> -- >>> -- >>> Scott Mead >>> Sr. Architect >>> *OpenSCG <http://openscg.com>* >>> http://openscg.com >>> >> >> > > > -- > -- > Scott Mead > Sr. Architect > *OpenSCG <http://openscg.com>* > http://openscg.com >
