[C4000]: Packet acknowledge failed.

My HA cluster takeover (to a second broker - jdbc persistent data [ORA9i]):
[B1168]: Takeover lock has been acquired for failed broker xxxxxxxx
take a lot of time and I receive the following exception:
INFO: [I107]: Connection recover state: RECOVER_FAILED, broker: xxxxxxxx:7676(33443)
May 29, 2009 11:02:59 AM com.sun.messaging.jmq.jmsclient.ConnectionRecover run
WARNING: com.sun.messaging.jms.JMSException: [C4000]: Packet acknowledge failed. user=guest, broker=xxxxxxxx:7676(33443)
com.sun.messaging.jms.JMSException: [C4000]: Packet acknowledge failed. user=guest, broker=xxxxxxxx:7676(33443)
     at com.sun.messaging.jmq.jmsclient.ProtocolHandler.writePacketWithAck(ProtocolHandler.java:735)
     at com.sun.messaging.jmq.jmsclient.ProtocolHandler.writePacketWithReply2(ProtocolHandler.java:497)
     at com.sun.messaging.jmq.jmsclient.ProtocolHandler.hello(ProtocolHandler.java:949)
     at com.sun.messaging.jmq.jmsclient.ConnectionImpl.hello(ConnectionImpl.java:557)
     at com.sun.messaging.jmq.jmsclient.ConnectionRecover.recover(ConnectionRecover.java:308)
     at com.sun.messaging.jmq.jmsclient.ConnectionRecover.run(ConnectionRecover.java:230)
     at java.lang.Thread.run(Thread.java:595)
What does it means?
thanks asterix

The client logging "Packet acknowledge failed" during reconnecting is expected if the broker hasn't completes the takeover - the client runtime will simply try reconnect again

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Packet acknowledge failed after failover

Hello,
We're running MQ 3.5 SP1 EE and we are wondering how to deal with the following problem. We have a client that consists of 2 producers and 1 consumer. There is a single connection for the client. Each producer creates its own session with:createSession(TRANSACTED_SESSION,Session.AUTO_ACKNOWLEDGE) The consumer creates its session with:
createSession(TRANSACTED_SESSION,Session.DUPS_OK_ACKNOWLEDGE) We have the following reconnect settings:imqReconnectEnabled = true
imqReconnectAttempts = 1
imqAddressListIterations = -1
imqReconnectInterval = 30000
imqAddressListBehavior = RANDOMSometimes when we kill one of our cluster servers, the client threads begin throwing exceptions as follows. From the send() method from one of the producers:
com.sun.messaging.jms.JMSException: [C4000]: Packet acknowledge failed.From the send() method of the other producer (a few seconds later):com.sun.messaging.jms.JMSException: [C4001]: Write packet failed. - cause: java.net.SocketException: Socket is closedFinally, an exception is caught by the consumer's exception listener:
JMSException caught: [C4002]: Read packet failed. - cause: java.net.SocketException: Socket is closedWhat is the best way to recover from this? We were thinking of closing the connection, reopening, and starting all sessions again. Is there anything smarter we can do?
Kernel: 2.4.21-9.0.3.ELsmp
Dist: RedHat ES 3.0
Thanks,
Aaron

I know this is a long shot, but what was the outcome of this? How did you fix this issue? I am facing the same issue with MQ 4.3 (flaky network, occasional failure to recover, even with infinite recovery configured).
Once the 'Packet acknowledge failed' error occurs (see below), the consumer recovery thread gets stuck in a loop of retrying, but never recovers, even though it says it has (it thinks it's connected, but no messages are ever delivered to it). Since the network is flaky, the consuming client is often disconnected, but usually recovers okay (thanks to using the imq reconnect attributes), but if the error below occurs, that client never reconnects to the broker:
2009-10-28 13:58:52,812 INFO [com.xxx.MessageListenerContainer] Setup of JMS message listener invoker failed - trying to recover: com.sun.messaging.jms.JMSException: [C4000]: Packet acknowledge failed. user=user, broker=xxx:1093(8095)
Here's the logs of the recovery that results in a consumer that never gets anything delivered to it...
2009-10-28 13:58:52,875 ERROR [STDERR] 28-Oct-2009 13:58:52 com.sun.messaging.jmq.jmsclient.ConnectionRecover logRecoverState
INFO: [I107]: Connection recover state: RECOVER_TRANSPORT_CONNECTED, broker: xxx1:1093(8095)
2009-10-28 13:58:52,875 ERROR [STDERR] 28-Oct-2009 13:58:52 com.sun.messaging.jmq.jmsclient.ConnectionRecover logRecoverState
INFO: [I107]: Connection recover state: RECOVER_STARTED, broker: xxx1:1093(8095)
2009-10-28 13:58:52,875 ERROR [STDERR] 28-Oct-2009 13:58:52 com.sun.messaging.jmq.jmsclient.ConnectionRecover logRecoverState
INFO: [I107]: Connection recover state: RECOVER_IN_PROCESS, broker: xxx1:1093(8095)
2009-10-28 13:58:52,875 ERROR [STDERR] 28-Oct-2009 13:58:52 com.sun.messaging.jmq.jmsclient.ConnectionRecover logRecoverState
INFO: [I107]: Connection recover state: RECOVER_SUCCEEDED, broker: xxx1:1093(8095)
2009-10-28 13:58:52,875 ERROR [STDERR] 28-Oct-2009 13:58:52 com.sun.messaging.jmq.jmsclient.ConnectionRecover logRecoverState
INFO: [I107]: Connection recover state: RECOVER_INACTIVE, broker: xxx1:1093(8095)
2009-10-28 13:58:53,000 INFO [com.xxx.MessageListenerContainer] Successfully refreshed JMS Connection
But ultimately, the client goes into a state where it doesn't recover. Here you can see 4 clients trying to recover from previous failures:
2009-10-28 14:02:39,796 ERROR [STDERR] 28-Oct-2009 14:02:39 com.sun.messaging.jmq.jmsclient.ExceptionHandler logCaughtException
WARNING: [I500]: Caught JVM Exception: java.net.SocketException: Socket closed
2009-10-28 14:02:42,500 ERROR [STDERR] 28-Oct-2009 14:02:42 com.sun.messaging.jmq.jmsclient.ExceptionHandler logCaughtException
WARNING: [I500]: Caught JVM Exception: java.net.SocketException: Socket closed
2009-10-28 14:02:42,500 ERROR [STDERR] 28-Oct-2009 14:02:42 com.sun.messaging.jmq.jmsclient.ExceptionHandler logCaughtException
WARNING: [I500]: Caught JVM Exception: java.net.SocketException: Socket closed
2009-10-28 14:02:42,500 ERROR [STDERR] 28-Oct-2009 14:02:42 com.sun.messaging.jmq.jmsclient.ExceptionHandler logCaughtException
WARNING: [I500]: Caught JVM Exception: java.net.SocketException: Socket closed
Each time the failure occurs, we get an additional exception. Rebooting the MQ broker allows a new client to be created and the messages are delivered, but the existing (previously failed) clients, are still left trying to connect.
Sounds like we're using some stale connection perhaps? We're using Spring's DefaultMessageListenerContainer. Could it be that the container is caching an old connection and trying to re-use it rather than creating a new one? It's not clear to me (yet) whether the mq client hides the failure from Spring's DefaultMessageListenerContainer and so doesn't give the Spring class the chance to recover itself.
Many thanks

Packet acknowledge failed exception

Hello. I'm making simple use of JMS and recently started getting an exception when I run my Junit test. I'm getting the following exception: (your have to forgive me that I don't give the rest of the exception. The computer that is getting it is not connected to the interenet and dont feel like retyping all the lines and/or copying them to CD to be able to copy and paste them).
sun.messaging.jms.JMSException: [C4000]: Packet acknowledge failed. user-admin, broker=localhost:7676(34554)
This exception started when I added a means for my parent program to send terminate requests to the child, so I'm assuming that this is because the child terminates before it acknoledges the terminate request. I can't find any documentation online to confirm rather or not that could be the case. Assuming that is the case what is the best way to handle it? I need to acknoledge most messages; but would prefer not to throw an exception in the one instance where I intentionally terminate the child.
edit: it seems that messages other then the terminate method can throw this exception. It's being thrown by the parent at seemingly random periods whenever it tries to write to the child.
help is appreciated ;)
Edited by: dsollen on Oct 26, 2009 7:48 AM

Hello. I'm making simple use of JMS and recently started getting an exception when I run my Junit test. I'm getting the following exception: (your have to forgive me that I don't give the rest of the exception. The computer that is getting it is not connected to the interenet and dont feel like retyping all the lines and/or copying them to CD to be able to copy and paste them).
sun.messaging.jms.JMSException: [C4000]: Packet acknowledge failed. user-admin, broker=localhost:7676(34554)
This exception started when I added a means for my parent program to send terminate requests to the child, so I'm assuming that this is because the child terminates before it acknoledges the terminate request. I can't find any documentation online to confirm rather or not that could be the case. Assuming that is the case what is the best way to handle it? I need to acknoledge most messages; but would prefer not to throw an exception in the one instance where I intentionally terminate the child.
edit: it seems that messages other then the terminate method can throw this exception. It's being thrown by the parent at seemingly random periods whenever it tries to write to the child.
help is appreciated ;)
Edited by: dsollen on Oct 26, 2009 7:48 AM

Javax.jms.JMSException: [C4000]: Packet

What can this message be caused by. Got it about 5 times in a 20 second period during server load. While getting a connection to a JMS queue.
javax.jms.JMSException: [C4000]: Packet acknowledge failed.
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     at com.sun.messaging.jmq.jmsclient.ConnectionImpl.<init>(ConnectionImpl.java:234)
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     at com.sun.messaging.jmq.jmsclient.JMSXAQueueConnectionFactoryImpl.createXAQueueConnection(JMSXAQueueConnectionFactoryImpl.java:75)
     at com.sun.enterprise.jms.ConnectionFactoryWrapper.createQueueConnection(ConnectionFactoryWrapper.java:112)

Seems to be a memory problem. In the message queue broker log there is "out of memory " expections.
So I increase the message queues vm max memory parameter to 512mb. But it still runs out of memory under load.
This is pathetic as all resources are closed between uses and after about 5000 uses it runs out if memory. So with every new connection/close with the JMS memory is leaked.
Im very disapointed. Where can I report/complain about this.
Sun App Server 7 update 2..
:-(

Brconnect Error ORA-12637: Packet receive failed

Hello,
We have a problem with Brconnect (42).
When I start the brconnect program in DB13 transaction I get a following error message.
The error come when I start the brconnect program under user sapservice(SID).
When I start the brconnect program under (SID)ADM user the brconnect start error free.
After server restart the brconnect program run good approximetly 1 hours under sapservice(SID) user too.
We have used SAP ECC 6.0 with Oracle 10g with Windows 2003 x64 R2 SP2 environment.
BR0301E SQL error -12637 at location BrInitOraCreate-2, SQL statement:
'CONNECT system/************* AT PROF_CONN IN SYSOPER MODE'
ORA-12637: Packet receive failed
BR0303E Determination of Oracle version failed
Have you get any idea what was the problem ?
Thank you a lot.
Imre Bolyki

Hi,
To execute the BRTools you need to have enough permissions and the environment variables set for that particular user. by default the SAPINST sets those variables and grants the required permission to the <SID>ADM user for executing the BRTools. Other users may not have enough permission to execute this and in turn these users will not have enough access to work on the database.
Regards,
Varadharajan M

Oracle Error :: ORA-12637 Packet receive failed

Hi buddies,
One of my staff's PC is receiving this error sometimes when she is trying to connect to the database and she is able to connect sometimes.
Oracle Error :: ORA-12637 Packet receive failed What could be the cause.
I tried replacing her tnsadmin with my tnsadmin and it didn't make a change, still able to connnect sometimes and sometimes not.
Able to connect using PL/SQL developer, but not using our customized application. (Everyone else are able to connect)
Is it network problem?
Please advice.
Thank You very much.
Alagu
Edited by: user645399 on Sep 16, 2009 8:37 PM

And from this cut-and-paste the OP is supposed to take what actions to solve the problem? Please don't just post that which is one google away every time someone posts an ORA- exception. You make some valuable contributions here but just posting expanded text doesn't give someone a list of actions to take that will help them resolve the issue. Better the question is left unanswered so others will be more likely to offer help.
To the OP:
It is highly likely you have a network issue and the fact that it is isolated to a single machine makes it reasonably easy to fix. First try to figure out which component is failing. Go to the router or switch and swap wires between that client machine and another one that is working properly. Does the problem move? If not then swap the wires. Again does the problem move? Next the NIC card? What if you put another machine on the desk and put the original hard disk in it?
Sometimes it just isn't worth the effort so you just swap out the machine.
Intermittent problems are always hard to identify and fix. What is on your side is that this is only affecting a single user.

ORA-12637: Packet receive failed

Hi All
I really need your help.
I've installed Oracle Database 10g Release 2. Database works properly.
Developer 6i, Developer 10g, SQL Developer, etc. are working with this database without problems.
But Forms 5 can't work. It connect to Database 10g about 3 minutes. After that I can build datablocks.
When I run the form, I see the following message:
ORA-12637: Packet receive failed
What should I do for resolve this problem?
Thanks.

Are you sure Developer 5 can't work with Database 10g?Which Oracle version is Developer 5 ? You can see it by entering Sql*Plus from Developer 5 Home.
According to Metalink Note:207303.1 - Client / Server / Interoperability Support Between Different Oracle Versions not even 8.0.6, the Forms 6i version, is certified with 10g, but there are patches, as I said before.
I'm not aware of patches for Forms 5 to run with 10g.

Ora 12637 Packet received failed

Hi,
I have created oracle an oracle database. but when i try to connect to database either through sql/plus worksheet or enterprise manager i get the error: ora-12637 packet received failed. Another database is running properly. I could not fix the problem. I have searched threads for this error and found that I should comment
SQLNET.AUTHENTICATION_SERVICES= (NTS)
this line in sqlnet.ora
Although i have not tried this as my customer is running a live database. And i don't want to make experiments.
If some one knows what is the technical reason and what is the proper way to solve this. I'll be very thankfull
But please don't recommend me 3-step story provided by oracle in documentation.
Thnx

C:\Documents and Settings\singhjb>TNSPING ONDSP101.DIGITALINDIASW.NET
TNS Ping Utility for 32-bit Windows: Version 9.2.0.1.0 - Production on 09-MAY-20
06 16:50:06
Copyright (c) 1997 Oracle Corporation. All rights reserved.
Used parameter files:
C:\oracle\ora92\network\admin\sqlnet.ora
Used TNSNAMES adapter to resolve the alias
Attempting to contact (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = namesrv1
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OK (630 msec)

BI Analytics - ORA-12637: Packet receive failed at OCI call OCIServerAttach

Hi All,
I'm running through 1 of the tutorials at the moment, and when I try to view results in an Analytics dashboard, I get the following error message: -
View Display Error
Odbc driver returned an error (SQLExecDirectW).
Error Details
Error Codes: OPR4ONWY:U9IM8TAC:OI2DL65P
State: HY000. Code: 10058. [NQODBC] [SQL_STATE: HY000] [nQSError: 10058] A general error has occurred. [nQSError: 43113] Message returned from OBIS. [nQSError: 43119] Query Failed: [nQSError: 17001] Oracle Error code: 12637, message: ORA-12637: Packet receive failed at OCI call OCIServerAttach. [nQSError: 17014] Could not connect to Oracle database. (HY000)
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Mike

1. If you are using SampleSales I assume these are xml files. If so, check your initb to verify the correct path for the folders.
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ORA-12637 TNS packet recieve failed

Hi All
I am getting connected to SQL*Plus to oracle 10g but I could not connect to Developer 2000(d2k) which gives the error ORA-12637 TNS packet recieve failed .
I have done correct entries in tnsnames.ora file. Still I am facing the error.
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Thanks in advance

Hi All
I am getting connected to SQL*Plus to oracle 10g but I could not connect to Developer 2000(d2k) which gives the error ORA-12637 TNS packet recieve failed .
I have done correct entries in tnsnames.ora file. Still I am facing the error.
Can you tell me the probable reasons/
Thanks in advance

ORA-12637 TNS packet recieve failed error

Hi All
I am getting connected to SQL*Plus to oracle 10g but I could not connect to Developer 2000(d2k) which gives the error ORA-12637 TNS packet recieve failed .
I have done correct entries in tnsnames.ora file. Still I am facing the error.
Can you tell me the probable reasons/
Thanks in advance

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#Attention: Do not modify this file yourself.
#If you do, your SQL*Net Easy Configuration may not function properly.
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(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS =
(COMMUNITY = tcp.world)
(PROTOCOL = TCP)
(Host = Production1)
(Port = 1521)
(CONNECT_DATA = (SID = SID1)
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(DESCRIPTION =
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(ADDRESS =
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(PROTOCOL = SPX)
(Service = Server_lsnr)
(CONNECT_DATA = (SID = ORCL)
Example3.world =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS =
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(PROTOCOL = NMP)
(Server = FinanceServer1)
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(CONNECT_DATA = (SID = ORCL)
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(PROTOCOL = TCP)
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ABNFAORCL.world =
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(PROTOCOL = TCP)
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(ADDRESS =
(COMMUNITY = tcp.world)
(PROTOCOL = TCP)
(Host = 10.94.100.36)
(Port = 1526)
(CONNECT_DATA = (SID = FINCON)
IFACS.world =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS =
(COMMUNITY = tcp.world)
(PROTOCOL = TCP)
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(ADDRESS =
(COMMUNITY = tcp.world)
(PROTOCOL = TCP)
(Host = 10.94.101.145)
(Port = 1526)
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10G.world =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS =
(COMMUNITY = tcp.world)
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(PROTOCOL = TCP)
(Host = 10.94.201.27)
(Port = 1521)
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Packet received fails when trying to connect to database

Dear experts,
i always received an error message: Packet Received Failed whenever i tried to connect to my 9i database. Once a while i will b able to connect without problem but sometimes is very annoying that i keep receiving this error and i have to retries a lot of time to connect depending on my luck.
Does anyone have any idea what could be wrong here?
Many thanks in advance for your advise.

me, too.
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Hi Suraj,
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Hello, First, I'm french so my english isn't very good.
I try to update Oracle 8.1.7 database installed on Linux by using ORAOLEDB.Oracle provider & ADO in VB Application.
In some case, I have the error in the subject of mail.
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This question probably best belongs on the General database forum.

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Hello,
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[C4000]: Packet acknowledge failed.

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