Listener shows blocked connections
Hi,
I am working on 6.1 AIX with Oracle 11g R2 (11.2.0.2.0). I am trying to connect from one database server to another. I have moved the password file and renamed it as well. But when I try to connect from source server to target server it gives 'Connected to ideal instance'
Checking on the target database server, the listener is showing blocked connections
LSNRCTL for IBM/AIX RISC System/6000: Version 11.2.0.2.0 - Production on 07-FEB-2012 08:31:06+
++Copyright (c) 1991, 2010, Oracle. All rights reserved.++
++Welcome to LSNRCTL, type "help" for information.++
++LSNRCTL> status++
++Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=drctest.testtst.com)(PORT=1521)))++
++STATUS of the LISTENER++
++------------------------++
++Alias LISTENER++
++Version TNSLSNR for IBM/AIX RISC System/6000: Version 11.2.0.2.0 - Production++
++Start Date 07-FEB-2012 08:25:21++
++Uptime 0 days 0 hr. 5 min. 47 sec++
++Trace Level off++
++Security ON: Local OS Authentication++
++SNMP ON++
++Listener Parameter File /u01/app/oracle/product/11.2.0.2.0/dbhome_1/network/admin/listener.ora++
++Listener Log File /u01/app/oracle/diag/tnslsnr/TESTTST/listener/alert/log.xml++
++Listening Endpoints Summary...++
++(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=DRCTEST.testtst.com)(PORT=1521)))++
++(DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROC1521)))++
++Services Summary...++
++Service "drctest" has 1 instance(s).++
++Instance "drctest", status BLOCKED, has 1 handler(s) for this service...++
++Service "drctest.testtst.com" has 1 instance(s).++
++Instance "drctest", status UNKNOWN, has 1 handler(s) for this service...++
++The command completed successfully++
Please any possible suggestions and hints. Thank you very much.
Check status of instance: if instance is in mounted status, listener will block database connections because only users having SYSDBA privilege can login.
SQL> select status from v$instance;
STATUS
MOUNTEDgoes with:
C:>lsnrctl status
LSNRCTL for 32-bit Windows: Version 11.2.0.2.0 - Production on 07-F╔VR.-2012 19:43:59
Copyright (c) 1991, 2010, Oracle. All rights reserved.
Connecting to (ADDRESS=(PROTOCOL=tcp)(HOST=)(PORT=1521))
STATUS of the LISTENER
Alias LISTENER
Version TNSLSNR for 32-bit Windows: Version 11.2.0.2.0 - Production
Start Date 07-F╔VR.-2012 18:45:48
Uptime 0 days 0 hr. 58 min. 11 sec
Trace Level off
Security ON: Local OS Authentication
SNMP OFF
Listener Log File C:\oraclexe\app\oracle\diag\tnslsnr\Acer\listener\alert\log.xml
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=Acer)(PORT=1521)))
Services Summary...
Service "xe" has 1 instance(s).
Instance "xe", status BLOCKED, has 1 handler(s) for this service...
The command completed successfullyIf you run:
SQL> alter database open;
Database altered.
SQL>Then you will get:
C:>lsnrctl status
LSNRCTL for 32-bit Windows: Version 11.2.0.2.0 - Production on 07-F╔VR.-2012 19:44:28
Copyright (c) 1991, 2010, Oracle. All rights reserved.
Connecting to (ADDRESS=(PROTOCOL=tcp)(HOST=)(PORT=1521))
STATUS of the LISTENER
Alias LISTENER
Version TNSLSNR for 32-bit Windows: Version 11.2.0.2.0 - Production
Start Date 07-F╔VR.-2012 18:45:48
Uptime 0 days 0 hr. 58 min. 40 sec
Trace Level off
Security ON: Local OS Authentication
SNMP OFF
Listener Log File C:\oraclexe\app\oracle\diag\tnslsnr\Acer\listener\alert\log.xml
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=Acer)(PORT=1521)))
Services Summary...
Service "xe" has 1 instance(s).
Instance "xe", status READY, has 1 handler(s) for this service...
The command completed successfullyEdited by: P. Forstmann on 7 févr. 2012 19:56
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<login>
<user-name>sa</user-name>
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Listener refused the connection....
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Erioerr ora 1250012500, 00000, "TNS:listener failed to start a dedicated server process"
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// The executable could not be found or the environment may be set up
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// *Action: Turn on tracing at the ADMIN level and reexecute the operation.
// Verify that the ORACLE Server executable is present and has execute
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Daljit Singh -
How to kill TCP-IP Listen or Open Connection while they are waiting to connect?
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It can be configured to connect as a server (listener) or as a client.
The user of this applicaiton must have the ability to disconnect from the device and point and connect to a different device at a different IP and port.
When the user tries to connect to a device but can not (the device is not ready or the IP address is wrong) he wants to abort the connection, change the settings then restart the attempt to connect.
How do I stop the TCP-IP Listen or TCP-IP Open Connection VIs? We typically use a timeout of a couple seconds and this is a long delay for a respond to the operator when he wants to abort the connection attempt.Thanks for the quick response.
I was hoping there was a more elegant Labview solution that may work for both the wait on listen and the connect VI.
I tried to close the wait on listener by closing the ref from the create listener.
That works. See attached picture. I use a queue to send the abort message. The wait on listen state will be blocked until either a connection is made or an abort message is sent via the queue. If a message is sent, the dequeue vi unblocks and causes the listener reference to close which will kill the wait on listen VI. If a TCP-IP connection is made it will close the queue reference which will kill the dequeue vi.
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Attachments:
Wait on listener with Abort example..JPG 265 KB -
Listener refused the connection with the following error: ORA-12500
Hi,
We had had some difficulties with our portal lately. All of a sudden portlets failed and started givin error messages all over our webpages.
I tried to login to EM Console to try and restart Portal OC4J and got this error
An error was encountered while loading page. An error occurred when attempting to connect to the Database.
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Make sure that the database and listener are up.
If the database is up, make sure that the OracleAS Repository API files ias.properties and iasschema.xml are correctly configured.
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java.sql.SQLException
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. Listener refused the connection with the following error:
ORA-12500, TNS:listener failed to start a dedicated server process
The Connection descriptor used by the client was:
(DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=PORTAL.MSS.EDUS.SI)(PORT=1521))(CONNECT_DATA=(SERVER=DEDICATED)(SERVICE_NAME=ASDB.MSS.EDUS.SI)))
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Fatal NI connect error 12500, connecting to:
(DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=portal.mss.edus.si)(PORT=1521))(CONNECT_DATA=(SERVER=DEDICATED)(SERVICE_NAME=asdb.mss.edus.si)(CID=(PROGRAM=I:\Oracle\INF\Apache\Apache\Apache.exe)(HOST=CLUSTER1)(USER=SYSTEM))))
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Windows NT TCP/IP NT Protocol Adapter for 32-bit Windows: Version 10.1.0.4.0 - Production
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Tracing not turned on.
Tns error struct:
ns main err code: 12564
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ns secondary err code: 0
nt main err code: 0
nt secondary err code: 0
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Below is a test program which illustrates the problem for me.
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-Steve M [email protected]
------------------>8 cut here 8<-----------------------
import java.io.*;
import java.net.*;
import java.util.*;
import java.nio.*;
import java.nio.channels.*;
public class NoWorkee
public static String GET_REQUEST = "GET / HTTP/1.0\r\n\r\n";
static class Context
String host;
int port;
ByteBuffer request;
public Context (String h, int p, ByteBuffer r)
{host=h; port=p; request=r;}
Selector sel = null;
boolean keepGoing = true;
public NoWorkee()
throws IOException
sel = Selector.open();
public void add(String host, int port)
throws IOException
int ops = SelectionKey.OP_CONNECT;
// create non-blocking socket, and initiate connect operation
SocketChannel sc = SocketChannel.open();
sc.configureBlocking(false);
sc.connect(new InetSocketAddress(InetAddress.getByName(host), port));
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try
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sc.isConnected() + ", isConnectionPending=" +
sc.isConnectionPending());
sk.attach(new Context(host, port, ByteBuffer.wrap(GET_REQUEST.getBytes())));
catch (IOException x)
x.printStackTrace();
sc.close();
public void run()
throws IOException
keepGoing = true;
System.out.println ( "Selecting " + sel.keys().size() + " SelectKeys");
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final long before = System.currentTimeMillis();
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final long after = System.currentTimeMillis();
System.out.println ( "Blocked " + (after-before) + " ms, numReady=" + numReady);
if (numReady > 0)
Set readyKeys = sel.selectedKeys();
System.out.println ( "Selected keys size " + readyKeys.size());
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SelectionKey sk = (SelectionKey)it.next();
SocketChannel sockChan = (SocketChannel)sk.channel();
Context ctx = (Context)sk.attachment();
System.out.println ( "Servicing host " + ctx.host + " port "
ctx.port);
System.out.println ( "1");
if (sk.isConnectable())
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+ sockChan);
int ops = SelectionKey.OP_READ | SelectionKey.OP_WRITE;
sk.interestOps (ops);
else
System.out.println ( "Could not finishConnect for "
sockChan);
sk.cancel();
sockChan.close();
System.out.println ( "2");
if (sk.isAcceptable())
System.out.println ( "in sk.isAcceptable() block");
System.out.println ( "3");
if (sk.isReadable())
System.out.println ( "in sk.isReadable() block");
byte rawBuff[] = new byte[32 * 1024];
ByteBuffer buff = ByteBuffer.wrap(rawBuff);
int numRead = -1;
while (0 < (numRead = sockChan.read(buff)))
System.out.println ( "numRead = " + numRead);
for (int i = 0; i < numRead; i++)
System.out.print((char)rawBuff);
System.out.println ( "numRead = " + numRead);
System.out.println ( "4");
if (sk.isWritable())
System.out.println ( "in sk.isReadable() block");
int numWritten = -1;
if (null != ctx.request)
numWritten = sockChan.write(ctx.request);
if (!ctx.request.hasRemaining())
sk.interestOps(sk.interestOps() &
~SelectionKey.OP_WRITE);
System.out.println ( "numWritten = " + numWritten);
//else
// service timeouts
public static void main (String arg[])
try
NoWorkee bla = new NoWorkee();
bla.add ("www.yahoo.com", 80);
bla.run();
catch (Exception e)
e.printStackTrace();
------------------>8 cut here 8<-----------------------Just for the benefit of anyone who might be seeing the same problem, it looks like bug 4457776 accurately describes the problem that I was having above.
I am downloading j2sdk-1_4_0-beta2-linux-i386-rpm.bin to see if that fixed it.
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http://developer.java.sun.com/developer/bugParade/bugs/4457776.html -
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C:\Users\ndodd_000>lsnrctl status
LSNRCTL for 64-bit Windows: Version 11.2.0.1.0 - Production on 18-AUG-2013 17:40
:25
Copyright (c) 1991, 2010, Oracle. All rights reserved.
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1521)))
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Alias LISTENER
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Copyright (c) 1991, 2010, Oracle. All rights reserved.
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LOCAL SERVER
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LOCAL SERVER
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Instance "sysdba", status READY, has 1 handler(s) for this service...
Handler(s):
"D000" established:0 refused:0 current:0 max:1022 state:ready
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Greetings Nefertiti72,
It seems you are experiencing an issue with contact syncing and management. It seems you've removed an email account which contained a number of contacts that are not associated with your iCloud account. I have linked to a knowledge base article which provides more information about iCloud contacts syncing:
Get help using iCloud Contacts - Apple Support
Learn what to do if you’re having issues using iCloud Contacts. For example, you might make changes to Contacts that don't update across all of your devices.
You may want to consider importing the contacts from the email account you removed. You can do it easily by following the steps in this article:
iCloud: Import a vCard
You can import an electronic business card, also called a vCard, into iCloud Contacts. If the vCard contains contact information for more than one person, each contact becomes a separate entry.
In iCloud Contacts, choose Import vCard from the Action pop-up menu , which appears at the bottom of the All Contacts list or a list of group contacts
Select a vCard to import.
The contacts from the vCard are added to the All Contacts group in Contacts. You can add the contacts to any other group by dragging them to the desired group.
Thank you for contributing to Apple Support Communities.
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<sub>reference: https://support.mozilla.org/en-US/questions/982532#answer-520145</sub>
afterwards, run a full scan of your system with different security tools like the [http://www.malwarebytes.org/products/malwarebytes_free free version of malwarebytes] & [http://www.bleepingcomputer.com/download/adwcleaner/ adwcleaner].
[[Troubleshoot Firefox issues caused by malware]] -
Able to access internet yet error message shows not connected?
Lenovo W520 4270CTO
Windows 7 Professional SP1 64 bit.
Each time I connect my laptop to a location other than my (first and original) home office, the network icon in the taskbar shows a yellow triangle with an exclamation mark through it, meaning "Unidentified network, no access". Yet, I have both wifi and LAN connection as evidenced by me being able to post on this forum.
I have tried to change my location to "home" or "work" to no effect. One of the error messages I get is 'must belong to a home network' in order to change. Well, from what I can understand, a home network is created by and for other Win 7 machines. I am the only one at this location...and I own the network (my new home office location). In another instance where this happened, I had a network engineer at that office location look at the problem and that's where I learned that although the icon shows no connection, it was in fact connected to their wifi.
It is impacting me because I subscribe to MS Office 365. I have had Microsoft support trying to troubleshoot the problem, inadvertently as I was having trouble connecting my Outlook client to get mail. Since that time, my Office 365 subscription needs activation, but it can't hit the MS license server. Also my Skydrive is not synching. It's definitely been determined (by MS) that it's a local network issue. I don't think it is a network because it happens at other locations.
I need to get this fixed because my MS office license has expired and it needs re-activation. I have loaded the latest Lenovo wifi driver, thinking that would help (Intel PrOSet/Wireless Software version 16.1.3). Not sure what else to do here. I am going grayer by the day.well, first check whether you're connected to the blackberry network...
how can I check whether myself connected to blackberry?
Check within the network bars on the phone whether it is showing you 3G, EDGE or GPRS in capital letters...!!
If not give a hard-reset to the phone (remove the battery put it back once)...
And if it shows in caps letters then try requesting for services again... how? on the phone desktop > within the search bar > type "Host Routing Table".... search results shows you as "options"... select that & select host routing table... afterwards, hit the blackberry menu button > select register...
.RoCkInG dUdE.
Trust Your Technolust | Do not PM for any support
If a solution received, please hit on to show your support. -
I performed an iOS 7 software update on my iPhone yesterday, and now the phone is not working at all. The iPhone screen shows to connect to iTunes to restore. I've have done this, and still the iPhone is not working. What going on?
I have no idea what may have caused your MacBook to stop working, but from your description it kind of sounds like it may have started before you ran Software Update and installed the new Apps. Just the general slow feeling and bugginess is what tips me off. You said that you weren't sure if you had closed all open windows, that doesn't matter if the computer restarts itself. It automatically closes all other open applications when restarting.
As to your data being retrievable, if when you take it in they do a fresh install of the OS, then no, it will not be unless you want to pay several thousand dollars to a software retrieval company.
I am glad to hear that you have taken into the Apple Store to get it fixed, and that you have all of your purchased music backed up to your iPod. You should be able to just transfer it all back to iTunes once you get your computer back should it be necessary.
As a side note, the proper place for this topic would probably in the MacBook forums, not iTunes since there is no evidence that iTunes started the issue. -
VC/2 not showing blocked deliverys in ECC6.0
Dear All Gurus,
Case Described as below
In Transaction VC/2 Program (GUI) RVKUSTA1 ECC6.0
VC/2 Sales Summary report do not showing blocked deliverys or blocked billing documents.
Excuting VKM1 (Blocked Sd document) for the same customer, I can find the blocked sales doc numbers.
Could anyone please help me to resolve this issue.
Thank you in advance.
Vinayak
Edited by: Vinayak D on Jan 9, 2009 6:14 PMDear,
Thank You for the reply.
In VC/2 there is Quick Info Details, where there are below two details displayed,
Orders blocked for delivery 0
Orders blocked for billing 0
When I excute VKM1 for the same customer, I get display of the blocked Sales Order.
In VC/2, do not get the number of blocked doc displayed in Quick info,
Need some reason why it is not getting displayed?
What are these details available for ?
BR,
Vinayak -
My Ipod touch 5th gen is connected to wifi but internet doesnt work on it. It is showing full connectivity but when i try using itunes or safari, nothing loads.
Does the iOS device connect to other networks? If yes that tend to indicate a problem with your network.
Does the iOS device see the network?
Any error messages?
Do other devices now connect?
Did the iOS device connect before?
Try the following to rule out a software problem:
- Reset the iOS device. Nothing will be lost
Reset iOS device: Hold down the On/Off button and the Home button at the same time for at
least ten seconds, until the Apple logo appears.
- Power off and then back on your router
.- Reset network settings: Settings>General>Reset>Reset Network Settings
- iOS: Troubleshooting Wi-Fi networks and connections
- Wi-Fi: Unable to connect to an 802.11n Wi-Fi network
- iOS: Recommended settings for Wi-Fi routers and access points
- Restore from backup. See:
iOS: How to back up
- Restore to factory settings/new iOS device.
If still problem and it does not connect to any networks make an appointment at the Genius Bar of an Apple store since it appears you have a hardware problem.
Apple Retail Store - Genius Bar
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