According to Note 419888.1, something called SE Linux needs to be disabled. But it requires reboot. I will have the sysadmin do that next time we have a chance to reboot the box. I will update the list whenever I have a result. Many thanks to all, esp. Joe and Michael. On Tue, Aug 11, 2009 at 11:46 AM, Sweetser, Joe <JSweetser@xxxxxxxx> wrote: > This is a long shot but have you checked Metalink Note 430200.1? > > Strange behavior, for sure. > > -joe > ------------------------------ > *From:* Roger Xu [mailto:wellmetus@xxxxxxxxx] > *Sent:* Tuesday, August 11, 2009 10:36 AM > *To:* Sweetser, Joe > *Cc:* Michael Fontana; oracle-l@xxxxxxxxxxxxx > > *Subject:* Re: WARN http: snmehl_connect: connect failed to ... Connection > refused (error = 111) > > > Ports are open according to the sys admin - > > [root@bplnap11 sysconfig]# iptables -L -n|tail -4 > > ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 state NEW tcp > dpt:1527 > > ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 state NEW tcp > dpt:1158 > > ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 state NEW tcp > dpt:3938 > > REJECT all -- 0.0.0.0/0 0.0.0.0/0 reject-with > icmp-host-prohibited > > [root@bplnap11 sysconfig]# > > > On Mon, Aug 10, 2009 at 4:48 PM, Sweetser, Joe <JSweetser@xxxxxxxx> wrote: > >> Ping is probably not using port 3938. >> >> Try "telnet <hostname> 3938" and see if you get a prompt. Or check with >> your sys admin to see if port 3938 is open. >> >> Something like this: >> >> oracle@ora-qp1$ telnet ora-qp1 3938 >> Trying 192.168.1.202... >> Connected to ora-qp1.icat.com (192.168.1.202). >> Escape character is '^]'. >> ^] >> telnet> quit >> Connection closed. >> oracle@ora-qp1$ telnet ora-qp1 5527 >> Trying 192.168.1.202... >> telnet: connect to address 192.168.1.202: Connection refused >> telnet: Unable to connect to remote host: Connection refused >> oracle@ora-qp1$ >> >> -joe >> >> ------------------------------ >> *From:* oracle-l-bounce@xxxxxxxxxxxxx [mailto: >> oracle-l-bounce@xxxxxxxxxxxxx] *On Behalf Of *Roger Xu >> *Sent:* Monday, August 10, 2009 3:40 PM >> *To:* Michael Fontana >> *Cc:* oracle-l@xxxxxxxxxxxxx >> *Subject:* Re: WARN http: snmehl_connect: connect failed to ... >> Connection refused (error = 111) >> >> Ping works. No, it hasn't worked before. In fact, I just manually >> configured the DC - >> >> emca -repos create >> emca -config dbcontrol dmca -config dbcontrol db >> Thanks! >> >> On Mon, Aug 10, 2009 at 4:13 PM, Michael Fontana < >> michael.fontana@xxxxxxxxxxx> wrote: >> >>> Do a ping the device and port 3938, which seems to be what is being >>> refused. This could be your network and/or firewall restricting the >>> transaction. >>> >>> Did this just start happening? Has it worked before? >>> >>> >>> >>> ----- Original Message ----- >>> From: "Roger Xu" <wellmetus@xxxxxxxxx> >>> To: oracle-l@xxxxxxxxxxxxx >>> Sent: Monday, August 10, 2009 3:40:39 PM GMT -06:00 US/Canada Central >>> Subject: WARN http: snmehl_connect: connect failed to ... Connection >>> refused (error = 111) >>> >>> >>> Dear List, >>> >>> Why am I unable to access Database Control via >>> http://bplnap11.dpsg.net:1158/em ? >>> >>> $ emctl status dbconsole >>> Oracle Enterprise Manager 10g Database Control Release 10.2.0.4.0 >>> Copyright (c) 1996, 2007 Oracle Corporation. All rights reserved. >>> https://bplnap11.dpsg.net:1158/em/console/aboutApplication >>> Oracle Enterprise Manager 10g is running. >>> ------------------------------------------------------------------ >>> Logs are generated in directory >>> /oracle/OraHome1/bplnap11.dpsg.net_ups60d0/sysman/log >>> $ cat /oracle/OraHome1/install/portlist.ini >>> iSQL*Plus HTTP port number =5560 >>> iSQL*Plus HTTP port number =5560 >>> Enterprise Manager Console HTTP Port (ups60d0) = 1158 >>> Enterprise Manager Agent Port (ups60d0) = 3938 >>> $ tail /oracle/OraHome1/bplnap11.dpsg.net_ups60d0/sysman/log/emdctl.trc >>> 2009-08-10 15:05:23 Thread-4135143632 WARN http: snmehl_connect: connect >>> failed to ( bplnap11.dpsg.net:3938 ): Connection refused (error = 111) >>> 2009-08-10 15:05:27 Thread-4135057616 WARN http: snmehl_connect: connect >>> failed to ( bplnap11.dpsg.net:3938 ): Connection refused (error = 111) >>> 2009-08-10 15:05:31 Thread-4135512272 WARN http: snmehl_connect: connect >>> failed to ( bplnap11.dpsg.net:3938 ): Connection refused (error = 111) >>> 2009-08-10 15:05:35 Thread-4135721168 WARN http: snmehl_connect: connect >>> failed to ( bplnap11.dpsg.net:3938 ): Connection refused (error = 111) >>> 2009-08-10 15:05:39 Thread-4135958736 WARN http: snmehl_connect: connect >>> failed to ( bplnap11.dpsg.net:3938 ): Connection refused (error = 111) >>> 2009-08-10 15:05:43 Thread-4135237840 WARN http: snmehl_connect: connect >>> failed to ( bplnap11.dpsg.net:3938 ): Connection refused (error = 111) >>> 2009-08-10 15:05:47 Thread-4135012560 WARN http: snmehl_connect: connect >>> failed to ( bplnap11.dpsg.net:3938 ): Connection refused (error = 111) >>> 2009-08-10 15:05:51 Thread-4135286992 WARN http: snmehl_connect: connect >>> failed to ( bplnap11.dpsg.net:3938 ): Connection refused (error = 111) >>> 2009-08-10 15:05:55 Thread-4135479504 WARN http: snmehl_connect: connect >>> failed to ( bplnap11.dpsg.net:3938 ): Connection refused (error = 111) >>> 2009-08-10 15:05:59 Thread-4135233744 WARN http: snmehl_connect: connect >>> failed to ( bplnap11.dpsg.net:3938 ): Connection refused (error = 111) >>> $ >>> >>> >>> >>> Thanks, >>> >>> Roger Xu >>> >>> -- >>> >>> >>> >>> >>> >>> >>> Michael Fontana >>> >>> Sr. Technical Consultant >>> >>> Enkitec M: 214.912.3709 >>> >>> enkitec >>> >>> oracle_certified_partner >>> >>> >>> >>> >>> >> >