Problem to install Oracle 11 g - impossible to establish a remote connection

In short:

I just installed Oracle 11 g and created a data base and the headset, but I'm unable to connect remotely with a customer database.

My environment:

Oracle 11g is installed on a VirtualBox (4.3.18) Red Hat Linux 6.5 VM.  The host operating system is Mac OS X Yosemite.  Linux VM is assigned a static ip address and the host and vm have host entries to resolve this name server:

192.168.58.152 rhel65opdev-vm

I am able to ping rhel65opdev-vm from these two places.

Host: 64 bytes from 192.168.58.152: icmp_seq = 0 ttl = 64 time = 0,287 ms

VM: 64 bytes of rhel65opdev-vm (192.168.58.152): icmp_seq = 1 ttl = 64 time = 0.027 ms

I am also able to ssh into the Linux vm without problem.  If I try to telnet to the virtual machine on the port of configured database:

= > telnet rhel65opdev-vm 1521
192.168.58.152 by train...
Telnet: connect to address 192.168.58.152: connection refused

Telnet: unable to connect to the remote host

Login as a user other my oracle on the same VM user, can I tnsping data base successfully:

tnsping $ OP

AMT Ping utility for Linux: Version 11.2.0.4.0 - Production on 16 January 2015 13:47:10

Copyright (c) 1997, 2013, Oracle.  All rights reserved.

Use settings files:

TNSNAMES adapter used to resolve the alias

Try to contact (DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP) (HOST = rhel65opdev-vm)(PORT = 1521))) (CONNECT_DATA = (SERVICE_NAME = OP)))

OK (10 ms)

The same user non-oracle, I am able to do appear SQLDeveloper and establish a connection with the database and check its schema.  But on the Mac, I am unable to use (the Mac version of) SQLDeveloper to do the same.  I get an error: IO error: the network adapter could not establish the connection.  Code 17002 provider.

I have another Red Hat 6.5 virtual VM from where I'm modeling this new machine, which has the same version of Oracle on it, installed and working (which I myself installed without problem, but a long time ago).  I am able to connect remotely to this base since my Mac using Toad and SQLDeveloper without problem and I can telnet to port of database and there is no problem.

I point out that I recently removed from the database and reinstalled.  I have created only one service: OP, but the OPXDB see below seems to be a previous installation, which can contribute to my question - not sure.

Here are a few releases of various orders, I tried following suggestions I've seen on different threads, I found through research:

  • lsnrctl service $

LSNRCTL for Linux: Version 11.2.0.4.0 - Production on 16 January 2015 13:59:32

Copyright (c) 1991, 2013, Oracle.  All rights reserved.

Connection to (ADDRESS = (PROTOCOL = tcp)(HOST=) (PORT = 1521))

Summary of services...
"OP" service has 1 instance (s).
Instance "OP" READY State, has 1 operation for this service...
Managers:
"DEDICATED" set up: 0 denied: 0 status: ready
LOCAL SERVER
Service 'OPXDB' has 1 instance (s).
Instance "OP" READY State, has 1 operation for this service...
Managers:
"D000" put in place: 0 denied: current: 0 0 max: 1022 State: loan
DISPATCHER < machine: rhel65opdev-vm, pid: 2116 >
(ADDRESS = (PROTOCOL = tcp) (HOST = rhel65opdev-vm)(PORT=23707))

The command completed successfully

  • $ lsnrctl status

LSNRCTL for Linux: Version 11.2.0.4.0 - Production on 16 January 2015 14:00:49

Copyright (c) 1991, 2013, Oracle.  All rights reserved.

Connection to (ADDRESS = (PROTOCOL = tcp)(HOST=) (PORT = 1521))

STATUS of the LISTENER
------------------------
Alias LISTENER
Version TNSLSNR for Linux: Version 11.2.0.4.0 - Production
Start date 16 January 2015 13:19:05
Uptime 0 days 0 h 41 min 44 sec
Draw level off
Security ON: OS Local Authentication
SNMP OFF
Parameter Listener of the /opt/app/oracle/product/11.2.0/dbhome_1/network/admin/listener.ora file
The listener log file /opt/app/Oracle/diag/tnslsnr/rhel65opdev-VM/listener/alert/log.XML
Summary of endpoints listening...
(DESCRIPTION = (ADDRESS = (PROTOCOL = tcp) (HOST = rhel65opdev-vm)(PORT=1521)))
Summary of services...
"OP" service has 1 instance (s).
Instance "OP" READY State, has 1 operation for this service...
Service 'OPXDB' has 1 instance (s).
Instance "OP" READY State, has 1 operation for this service...

The command completed successfully

  • $ iptables-L - v

INPUT string (policy ACCEPT packets 0, 0 bytes)
pkts bytes target prot opt in to the source destination
2146 229K ACCEPT all - none none no matter where, no matter where the State RELATED, established

2 168 ACCEPT icmp - any any anywhere anywhere
576 34560 ACCEPT all - lo any anywhere anywhere
7 448 tcp - all all no matter where no matter where State ACCEPTING NEW tcp dpt: ssh
all 21 3688 - REJECT any any anywhere anywhere reject-with icmp-host-prohibited

Chain forward (policy ACCEPT packets 0, 0 bytes)
pkts bytes target prot opt in to the source destination
0 0 all - REJECT any any anywhere anywhere with reject icmp-host-prohibited

Chain OUTPUT (policy 2307 ACCEPT packets, 259 kb)

pkts bytes target prot opt in to the source destination

  • $ cat /opt/app/oracle/product/11.2.0/dbhome_1/network/admin/tnsnames.ora

tnsnames.ora # Network Configuration file: /opt/app/oracle/product/11.2.0/dbhome_1/network/admin/tnsnames.ora
# Generated by Oracle configuration tools.

OP =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP) (HOST = rhel65opdev-vm)(PORT = 1521))
)
(CONNECT_DATA =
(SERVICE_NAME = OP)
)
)

  • $ cat /opt/app/oracle/product/11.2.0/dbhome_1/network/admin/listener.ora
    listener.ora # Network Configuration file: /opt/app/oracle/product/11.2.0/dbhome_1/network/admin/listener.ora
    # Generated by Oracle configuration tools.

    OP_LISTENER =
    (DESCRIPTION_LIST =
    (DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP) (HOST = rhel65opdev-vm)(PORT = 1521))
    )
    )

ADR_BASE_OP_LISTENER = Oracle

  • My ORACLE_HOME is set to /opt/app/oracle/product/11.2.0/dbhome_1
  • On the Linux VM on which Oracle runs correctly (host name rhelopvm), I have the log queue listener and start SQLDeveloper on the host Mac:

$ tail-f /opt/oracle/11.2.0.4/diag/tnslsnr/rhelopvm/listener/alert/log.xml

< time msg = "2015-01 - 16 T 14: 19:02.286 - 05:00 ' org_id = 'oracle' id_comp = 'tnslsnr'"
type = 'UNKNOWN' level = host_id = '16' "rhelopvm".
host_addr = '192.168.57.152' >
< txt > 16 January 2015 14:19:02 * (CONNECT_DATA = (SID = OP) (CID = (= SQL Developer PROGRAM) (HOST = __jdbc__) (USER = sellis))) * (ADDRESS = (PROTOCOL = tcp (PORT = 50158))(HOST=192.168.57.100)) * establish * OP * 0
< / txt >

< / msg >

When I have the same tail on the defective VM log, the connection request is not that much (and so nothing is seen in this newspaper).

In conclusion, I am of ideas on how to diagnose and correct the network error.  I would be grateful for any help.

Thank you

Scott Ellis

This can prove to be worthless, consider that on some * nix systems 'iptables' is enabled as part of the base operating system installation.

your symptoms may change if you turn off or disable iptables on the virtual machine

IPTABLES (8) IPTABLES (8)

NAME

iptables - administration tool for IPv4 and NAT packet filtering

LOGBOOK

iptables [-t table]-[AD] chain rule-specification [options]

iptables [-t table]-I chain [rulenum] rule-specification [options]

iptables [-t table] r chain rulenum rule-specification [options]

iptables [-t table] d chain rulenum [options]

iptables [-t table]-[home] [string] [options]

iptables [-t table] chain n

iptables [-t table] X-[string]

iptables [-t table] string Pei [options] target

iptables [-t table] name old-chain-new-name-of-chain E

DESCRIPTION

Iptables is used to set up, maintain and control intellectual property tables

Linux kernel packet filtering rules.  Several different tables can

be defined.   Each table contains a number of built-in chains and may

also contain user-defined strings.

Each string is a list of rules that can match a set of packages.

Tags: Database

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