Error 08S01 Communication Link Falure

Hi,
My application and db server are on different network segment with Firewall in between.
Very frequently, the application will encounter Error 08S01 Communication Link Failure when the job runs.
Found from the firewall log that there are many
TCP Reset-O when the application tries to connect to the db server.
May I know how to troubleshoot this problem ? What is likely the root cause ?
Please advise.
TIA !

Hi TIA,
According to your description, you are experiencing the issue Error 08S01 Communication Link Failure when running job, right?
The error occurs when the network load on SQL Server is high. For example, you may receive one of these error messages when you replicate databases in SQL Server. Or, you may receive one of these error messages when a multiple-user application accesses databases
in SQL Server. So usually its a network error. Please refer to the link below to see the details.
https://support.microsoft.com/en-us/kb/942861?wa=wsignin1.0
Regards,
Charlie Liao
TechNet Community Support

Similar Messages

Getting communication link failure error

Hi,
I am getting communication link failure error frequently in my website. Can you tell me why this error is coming & how can I resolved this issue
Thanks

What is the complete error? Do you have any stack which you can share?
Balmukund Lakhani
Please mark solved if I've answered your question, vote for it as helpful to help other users find a solution quicker
This posting is provided "AS IS" with no warranties, and confers no rights.
My Blog |
Team Blog | @Twitter
| Facebook
Author: SQL Server 2012 AlwaysOn -
Paperback, Kindle

Communication link failures

I have been seeing a lot of communication link failures in my applications log (Specifically 08s01 errors) and I was wondering if anyone has tried adjusting the TCP/IP property "Keep Alive" with any success in preventing dis-connects. I am reasonable
confident that the dis-connects are being caused by snap shots being taken (VSS), and once my app loses the persistent connection it will throw the error. Any thoughts on the subject would be much appreciated.

Hi Curtizus,
Please help to post the detail error log information about this issue, and also collect log information from the SQL Server side. I found a KB article to deal with this issue, please reference it:
"General Network error," "Communication link failure," or "A transport-level error" message when an application connects to SQL Server:
http://support.microsoft.com/kb/942861/en-us
Hope this helps.
Elvis Long
TechNet Community Support

Error in communicating with DCR

Preliminary question:
     For LMS 3.2 on Windows, which is better 2003 or 2008?
Primary issue:
     Background: new install of LMS 3.2 on Windows 2008 sp2 Virtual Machine.
          Upgraded Campus to 5.2.1
          Upgraded RME to 4.3.1
          when updating device packages, services started extremely slow with anidbeng taking 2hrs. portal showed service unavailable.
          had to restart crmdmgtd to be able to login.
          most links in CS return the following:   Error in communicating with DCR server. DCR server may be down. Please start the DCR server           and then refresh the page.   The DCR server shows running normal.
          tried restarting crmdmgtd
          attached DCR.log
         tried CSCtd07131 .. no success

Windows 2008 offers more scalability so I would go with that although LMS has been tested on both (you will have a longer life of support as well).
When applying the CSCtd07131 patch, you need to be sure it is the right patch for the right CS version as there are multiple versions out there. However, this is fixed in LMS 3.2.1 so you should just upgrade there.
An often overlooked matter when installing LMS are the steps mentioned here:
https://supportforums.cisco.com/docs/DOC-9132
I see constant TAC cases due to installation problems because the above steps are not met or are half-met. Services starting slowly are usually an after-effect of something blocking ports (anti-virus or such) or possible database corruption. Setting DEP and anti-virus as specified above might help here, but if you did not follow these steps to the letter during this new install, I would suggest to cleanup this server and re-install properly; then move all the way to LMS 3.2.1.

Error in communicating with IPMProcess or IpmDbEngine

Hello there,
I have a problem with IPM module. Everytime i try to access to this module it always appears the following error "Error in communicating with IPMProcess or IpmDbEngine. It may be down or not yet up. Please make sure processes are up and running". Then i go over the processes link and it shows:
IpmDbEngine
Program started - No mgt msgs received
IPMOGSServer
Program started - No mgt msgs received
IPMProcess
Administrator has shut down this server
... so i start the IPMProcess, then i go back to any of the IPM configuration links but still show me the same error.
Could you tell me how tosolve this problem??
I am working with LMS 3.1 and the IPM version is 4.1
Regards,

I have set the regional parameters as you indicated. It remains with the same problem. I revised the IPMProcess log but it did not have any changes thus i am not uploading it.
I looked over the services window and realized that Daemon manager is not started so i tried to do so but it doesn't start. Any suggestions to run that service first?? cause actually i know that if daemon manager doesn't work then any of the modules is going to respond anyway.
Regards,

Advance selection for source file-Error in communication channel monitoring

Hi all,
Referring to the link below:
/people/mickael.huchet/blog/2006/09/18/xipi-how-to-exclude-files-in-a-sender-file-adapter
I have developed my scenario in the same way.But due to the values <NOTHING>
in Mandatory fields Source Directory and Filename,i am facing problem in Communication Channel Monitoring as it shows an error;even though the end-to-end scenario works successfully.
Plase note that our scenario is not to exclude the particular file but to pick the files serially after a certain delay.
Kindly provide some idea about how can we remove the error from Communication Channel Monitoring.
Thanks & Regards,
Sudhir Tiwari

Sudhir,
In the sender file adapter, you have an option called "Processing Sequence".
By selecting ByName or ByDate you can make files get selected sequentially either ByName ( alphabetically ) or by the creation time stamp of the file.
In the sender file adapter also make the QOS as EOIO and give the QueueName as any value and the files will be processed sequentially.
Regards
Bhavesh

File to Proxy Scenario : Error in communication channel monitoring

Hi,
I have developed File to Proxy Scenario on PI 7.1 system and it is not working. I see the below error in communication channel monitoring.
u201CError: com.sap.engine.interfaces.messaging.api.exception.ConfigException: Some of the IS access information is not available. SLDAccess property may be set to true, but SLD is not available.u201D
File will be picked from the FTP server.
I have created File system in SLD of type "Third Party", Can this be the issue?
Please guide me on this.
Thanks,
Chandravadan

Hi!
Check if the tcode SLDCHECK is ok!
Check note #764176.
Also, refer to link below and execute each steps from the links there MANUALLY.
Wizard-Based Configuration:
http://help.sap.com/saphelp_nwpi71/helpdata/EN/45/2e4c1b16bb4aa8e10000000a11466f/frameset.htm
Regards,
Caio Cagnani

Ciscoworks -- Intrenal error in communication channel

Hi Netpro Team,
I am getting an error "Intrenal error in communication channel" while editing or adding/deleting snmp credentials
in common services...(LMS-3.x);
We tried restarting the ciscoworks services, but still getting the same problem.
Please help to resolve this problem

Yes, Re-installed should take care of the issue..
However here the links for Patch (CS 3.3 and CS 3.2..apply which ever is applicable)
http://www.cisco.com/cisco/software/cart.html?imageGuId=9EE33249152B32176193349929E47597B46DC3C5&i=rs
http://www.cisco.com/cisco/software/cart.html?imageGuId=0C4F05EB3894563EC7BEC44C3E7D494AC34E9B88&i=rs
Thanks
Afroj

ColdFusion 10 - MySQL Communications link failure

We are migrating some websites onto a cloud infrastructure running Windows 2008 virtual machines. These websites all run on ColdFusion with MySQL databases. They currently are running in our CoLo with no problems. Additionally, they are running on our development network in our offices with no problems.
We are setting up our cloud to match as closely as possible the configuration we currently use which is, essentially, CF10 + IIS on one server and MySQL on a separate machine. We are 99% finished and most things are running great. However....
We have run into a couple, as in 2, places where we click a link/button and are greeted with:
Error Executing Database Query.
Communications link failure The last packet successfully received from the server was 0 milliseconds ago. The last packet sent successfully to the server was 0 milliseconds ago.
Scanning the stack-trace I also find:
`Caused by: java.net.SocketException: Connection reset`
The communications link error is ALWAYS: 0ms.
What's most puzzling is the Queries that seem to be causing this are *simple* queries that are used ALL OVER the sites with no problems. Why they are failing at hese 2 particular places has us at wits end.
Our only clue is, looking at the CF Error description of what scripts are called, we can see the script where the query is failing is getting called twice? For example, one of the occurences is in our Application file:
    >The error occurred in D:/Our_Web_Sites/oursite/Application.cfm: line 73
    >Called from D:/Our_Web_Sites/oursite/Application.cfm: line 17
    >Called from D:/Our_Web_Sites/oursite/Application.cfm: line 1
    >Called from D:/Our_Web_Sites/oursite/Application.cfm: line 73
    >Called from D:/Our_Web_Sites/oursite/Application.cfm: line 17
    >Called from D:/Our_Web_Sites/oursite/Application.cfm: line 1
We can find nothing in our CF code that would be causing the script to be called twice so our guess is the first call is failing on the Query so CF tries again...only to fail and error.
Googling this issue I've found lots of posts about changing the MySQL timeouts. None of those worked and I didn't expect them to since what we're dealing with doesn't appear to be a timeout issue. These pages fail each and every time.
The closest we've come to a solution came from this blog posting:
http://www.talkingtree.com/blog/index.cfm/2011/1/12/Validation-Query-for-MySQL-communicati ons-link-failure
If we UNCHECK the "Maintain connections across client requests. " setting in CFAdmin then the error goes away. The blog suggests leaving that checked, which is our preference, and using Connection Validation of "SELECT 1;". Try that...same error.
We've also tried the JDBC AutoConnect=true option. No effect.
Downloaded latest JDBC Connector and used it instead of standard CF10-MySQL connector. No effect.
Again, 99% of the site works with the exception of these two links, both of which work just fine in all our other environments. Any other ideas?

I have some questions.
1) You talk of 2 calls. However, you show us 5 calls from Application.cfm. What do those line numbers tell us?
2) Shouldn't that be AutoReconnect=true rather than AutoConnect=true? In any case, it seems that the problem here is that ColdFusion attempts to use a stale connection to the database. It is then usually preferable to change wait_timeout instead. The MySQL documentation says, 'Alternatively[to AutoReconnect=true], as a last option, investigate setting the MySQL server variable "wait_timeout" to a high value, rather than the default of 8 hours.'.
3) Shouldn't you already convert to Application.cfc?

Communication link failure

Hai guys,
I am using Mysql5.o.
I set classpath to mysql.jar
Driver is successfully loaded
But it throws Exception like
java.sql.SQLException: Communication link failure: java.io.IOException, underlying cause: Unexpected end of input stream
Help me
Thank u.

I was also facing the similar problem.
I have installed MySQL Server 4.1.16 and was using the jdbc 3.0.6 version.
Though the documentation says that it works; but i was getting the "SQLException: Communication link failure: java.io.IOException, underlying cause: Unexpected end of input stream" error.
Then I upgraded the jdbc driver to version 5.0.4 and it worked.
Cheers
Tapesh

Java JDBC Communication Link Failure

Hi,
I have a Java application which utilizes the JDBC mysql connector 5.1.6. It works great, and I am able to connect to my MySQL database just fine and execute queries perfectly.
However, it seems that if my server idles for certain periods of time without issuing a command to the MySQL server (and this idle period seems to be variant; sometimes if it sites just 5 minutes I get this error, other times it has to idle for close to 25 minutes before it gives me this error):
com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure
Last packet sent to the server was 1493610 ms ago.Obviously the "... ms ago" part varies based on how long the server was idling.
This is a particular problem for me because the purpose of my application is to be one part in more of an enterprise information system. So this connection to the database is intended to make an update every 25 minutes to update a user's session data in my database. Unfortunately, when idling for this long it will just error out.
My temporary solution has been to catch this exception, reconnect, and re-issue the query which is working, but that's like putting a band-aid on a wound that needs stitches. The real problem is I have so many areas in my code where I execute commands that it would make it difficult to maintain if I had to use this Try-Catch method of reconnecting in each spot.
Is there some timeout setting I need to set in MySQL or in the JDBC to stopt his error from happening? I have read the MySQL documentation and its timeout is already set to an hour so that shouldn't be the problem...
Thanks!

I searched for this on google:
com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications
and here is a link that might help:
http://forums.mysql.com/read.php?39,199085,204628#msg-204628
I think the key to your problem is the last line in that link. In connection pooling, you should get a connection, use it, then close it as quickly as possible (ideally, all in the same function within try/catch/finally block) for each time you need to use a connection (hundreds of times within your application). I suspect you open a connection and keep it open with the anticipation that there is a performance penalty in alternatively opening and closing it hundreds of times. There is none. The act of getting and closing a connection from a connection pool is a lightweight operation (in terms of performance). I suggest going back and refactoring your code with the above in mind. That way, your connections will never time out (they are only open for a few milliseconds at a time).

Add pages to community links -- what's missing

Community links display external links, documents, and users fairly reliably. I'm having trouble linking to an internal page, though, with the "Add Page" control. I can launch the page browser and select the page I want, but when I click OK, I'm getting a very descriptive message: "Error - The server has experienced an error. Try again or contact your portal administrator if you continue experiencing problems."

Here is the info on the case I filed
Problem Description:
I am trying to add the pages to the community links portlet.
It is not working
I am getting
Error - The server has experienced an error. Try again or contact your portal administrator if you continue experiencing problems.
### Detailed Problem Statement ###
ptspy has the following error
ptspy has the following error
549 portal.ssurapan-d5a940.Administrator 3-9-2009 0:32:58.469 Error Portal_Browsing ACTIVE ExecuteThread: '0' for queue: 'weblogic.kernel.Default (self-tuning)' com.plumtree.portalpages.browsing.editors.sitemap.sitemapfolderplugin.SiteMapFolderPlugInView FeaturesView::DisplayJavascript The following error occured when trying to display the JavaScript: null
java.lang.NullPointerException
at com.plumtree.uiinfrastructure.statichelpers.GeneralHelpers.Replace(GeneralHelpers.java:85)
at com.plumtree.portalpages.browsing.sitemap.linkselector.SiteMapLinkContainer.GetSelectedCommPagesAsStringForTree(SiteMapLinkContainer.java:206)
at com.plumtree.portalpages.browsing.editors.sitemap.sitemapfolderplugin.SiteMapFolderPlugInModel.GetSelectedCommPagesAsString(SiteMapFolderPlugInModel.java:744)
at com.plumtree.portalpages.browsing.editors.sitemap.sitemapfolderplugin.SiteMapFolderPlugInView.DisplayJavascript(SiteMapFolderPlugInView.java:493)
at com.plumtree.portalpages.portlets.sitemap.prefs.SiteMapPortletPrefsDP.DisplayJavaScriptFromChild(SiteMapPortletPrefsDP.java:92)
at com.plumtree.uiinfrastructure.form.AFormDP.Display(AFormDP.java:499)
at com.plumtree.uiinfrastructure.interpreter.Interpreter.HandleDisplayPage(Interpreter.java:2140)
at com.plumtree.uiinfrastructure.interpreter.Interpreter.HandleRequest(Interpreter.java:659)
at com.plumtree.uiinfrastructure.interpreter.Interpreter.DoService(Interpreter.java:191)
at com.plumtree.uiinfrastructure.web.XPPage.service(XPPage.java:300)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:821)
at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)
at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)
at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:292)
at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:176)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3495)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
at weblogic.security.service.SecurityManager.runAs(Unknown Source)
at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2180)
at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2086)
at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1406)
at weblogic.work.ExecuteThread.execute(ExecuteThread.java:201)
at weblogic.work.ExecuteThread.run(ExecuteThread.java:173)
here is the answer from support
As we discussed, this issue has been reported as bug # 7824743. The bug is still open and the current workaround from the bug notes is to use the ‘Add Links’ button and paste in the url from the desired page you want to add. This works fine, however you will need to have the url beforehand.
I have documented the bug number in your ticket and also added your ticket to the bug notes. As per Oracle policy I will now place the case in soft close status. You can check the status of the bug directly on metalink if you are looking for status in the future.

CLI0108E Communication link failure. After clone machine

AIX 5.3
SAP R / 3 4.7 Enterprise 110
DB2 9.5 fix pack 2
We did a clone machine that already had SAP and DB2 9.5 installed and changed the host and ip.
After adjustments sidadm user profiles, user db2prd and adjust db2conf password file, database and SAP initialize however, is occurring Dumps:.
Database error text........: "CLI0108E Communication link failure.
SQLSTATE=40003"
Previously the same dump occurred when accessed RZ10- import profile of active server. Once deleted entries in the tables TPFET and TPFHT dump no longer occurs in RZ10.
The dump occurs in certain situations such as: SE06-Data base or Data Migration Perform post-installation.After that the dump occurs and the following message appears: connection lost to database, session terminated and closes the connection to SAP.
I thought about asking the customer to perform the clone in separate network with the same host or conduct a new HSC if no solution.
I appreciate any help.
Below are some logs:
Fri Oct 14 19:19:26 2011
C *** ERROR in DB6Fetch[dbdb6.c, 3385] CON = 0 (BEGIN)
C &+ DbSlExeReadDB6( SQLFetch ): [IBM][CLI Driver] SQL1224N The database manager is not able to accept new requests, h
C &+ as terminated all requests in progress, or has terminated your particular request due to an error or a force inter
C &+ rupt. SQLSTATE=55032
C &+
C &+ SELECT * FROM "E070" WHERE NOT ( "TRKORR" LIKE ? ) AND "TRSTATUS" <> ? AND "TRFUNCTION" IN ( ? , ? , ? , ? , ? , ?
C &+ , ? )
C &+ cursor type=NO_HOLD, isolation=UR, cc_release=NO, optlevel=5, degree=1, op_type=18, reopt=0
C &+ ABAP location info: 'SAPLSTRO', 1286
C &+
C &+ Input SQLDA:
C &+ 1 CT=CHAR T=VARCHAR L=4 P=4 S=0
C &+ 2 CT=CHAR T=CHAR L=1 P=1 S=0
C &+ 3 CT=CHAR T=CHAR L=1 P=1 S=0
C &+ 4 CT=CHAR T=CHAR L=1 P=1 S=0
C &+ 5 CT=CHAR T=CHAR L=1 P=1 S=0
C &+ 6 CT=CHAR T=CHAR L=1 P=1 S=0
C &+ 7 CT=CHAR T=CHAR L=1 P=1 S=0
C &+ 8 CT=CHAR T=CHAR L=1 P=1 S=0
C &+ 9 CT=CHAR T=CHAR L=1 P=1 S=0
C &+
C &+ Input data:
C &+ row 1: [ERR] 1 CHAR I=4 "SAP%"
C &+ 2 CHAR I=1 "R"
C &+ 3 CHAR I=1 "C"
C &+ 4 CHAR I=1 "K"
C &+ 5 CHAR I=1 "L"
C &+ 6 CHAR I=1 "R"
C &+ 7 CHAR I=1 "S"
C &+ 8 CHAR I=1 "T"
C &+ 9 CHAR I=1 "W"
C &+
C &+ Output SQLDA:
C &+ 1 CT=CHAR T=VARCHAR L=20 P=20 S=0
C &+ 2 CT=CHAR T=CHAR L=1 P=1 S=0
C &+ 3 CT=CHAR T=CHAR L=1 P=1 S=0
C &+ 4 CT=CHAR T=VARCHAR L=10 P=10 S=0
C &+ 5 CT=CHAR T=VARCHAR L=4 P=4 S=0
C &+ 6 CT=CHAR T=VARCHAR L=12 P=12 S=0
C &+ 7 CT=CHAR T=CHAR L=8 P=8 S=0
C &+ 8 CT=CHAR T=CHAR L=6 P=6 S=0
C &+ 9 CT=CHAR T=VARCHAR L=20 P=20 S=0
C &+
C &+ ABAP location info 'SAPLSTRO', 1286
C &+ SAP user 'PWBASIS', transaction code 'SE06'
C &+
C *** ERROR in DB6Fetch[dbdb6.c, 3385] (END)
B ***LOG BYM=> severe DB error -1224 ; work process in reconnect status [dbsh#4 @ 1127] [dbsh 1127 ]
B ***LOG BY4=> sql error -1224 performing FET on table E070 [dbtran#13 @ 7371] [dbtran 7371 ]
B ***LOG BY0=> SQL1224N The database manager is not able to accept new requests, has terminated all requests in progress, or has terminated your particular request due to an error or a force interrupt. SQLSTATE=55032 [dbtran#13 @ 7371] [dbtran 7371 ]
B dbtran ERROR LOG (hdl_dbsl_error): DbSl 'FET'
============================================
C Fri Oct 14 19:20:18 2011
C *** ERROR in DB6Connect[dbdb6.c, 1482] CON = 0 (BEGIN)
C &+ DbSlConnectDB6( SQLConnect ): [IBM][CLI Driver] SQL1032N No start database manager command was issued. SQLSTATE=
C &+ 57019
C &+
C &+
C *** ERROR in DB6Connect[dbdb6.c, 1482] (END)
C *** ERROR => DbSlConnect to 'PRD' as 'sapprd' failed
==========================================
db2diag.log
2011-10-14-19.19.27.022877+000 E5735635A801 LEVEL: Critical
PID : 1233036 TID : 5913 PROC : db2sysc 0
INSTANCE: db2prd NODE : 000
EDUID : 5913 EDUNAME: db2pclnr (PRD) 0
FUNCTION: DB2 UDB, base sys utilities, sqle_panic, probe:10
MESSAGE : ADM14001C An unexpected and critical error has occurred: "Panic".
 The instance may have been shutdown as a result. "Automatic" FODC
 (First Occurrence Data Capture) has been invoked and diagnostic
 information has been recorded in directory
 "/db2/PRD/db2dump/FODC_Panic_2011-10-14-19.19.26.809033/". Please
 look in this directory for detailed evidence about what happened and
 contact IBM support if necessary to diagnose the problem.
2011-10-14-19.19.26.800536+000 I5720080A624 LEVEL: Severe
PID : 1233036 TID : 14651 PROC : db2sysc 0
INSTANCE: db2prd NODE : 000 DB : PRD
APPHDL : 0-44 APPID: *LOCAL.db2prd.111014191834
AUTHID : SAPPRD
EDUID : 14651 EDUNAME: db2agent (PRD) 0
FUNCTION: DB2 UDB, buffer pool services, sqlbCleanupBeforeTerm, probe:837
MESSAGE : ZRC=0x8602001A=-2046689254=SQLB_BADD "Bad Database, Can't flush"
 DIA8427C The database has been marked as being damaged.
DATA #1 : String, 48 bytes
A portion of SQLB termination processing failed.
2011-10-14-19.19.26.801650+000 I5720705A430 LEVEL: Error
PID : 1233036 TID : 5656 PROC : db2sysc 0
INSTANCE: db2prd NODE : 000
EDUID : 5656 EDUNAME: db2pclnr (PRD) 0
FUNCTION: DB2 UDB, data protection services, sqlpgild, probe:310
RETCODE : ZRC=0x8610000D=-2045771763=SQLP_BADLOG "Log File cannot be used"
 DIA8414C Logging can not continue due to an error.
2011-10-14-19.48.44.487238+000 E6321299A549 LEVEL: Severe
PID : 1019968 TID : 258 PROC : db2wdog 0
INSTANCE: db2prd NODE : 000
EDUID : 258 EDUNAME: db2wdog 0
FUNCTION: DB2 UDB, base sys utilities, sqleWatchDog, probe:20
MESSAGE : ADM0503C An unexpected internal processing error has occurred. ALL
 DB2 PROCESSES ASSOCIATED WITH THIS INSTANCE HAVE BEEN SHUTDOWN.
 Diagnostic information has been recorded. Contact IBM Support for
 further assistance

Hi Shahin,
At the time I did not find a solution, so I installed the R / 3 4.7 on a machine with the same host and then I did a homogeneous system copy.
At the time I did not find a solution, so I installed the R / 3 4.7 on a machine with the same host and then I did a homogeneous system copy.
Perhaps an export base correct the problem. I have not tried the time.
If you find a solution, let us know.
regards,
Emerson

MySQL database connection: Communications link failure Last packet sent to the server was 0 ms ago.

Hello,
I am trying to connect to an external MySQL database from within a bundle.
But I keep getting this error:
Could not get JDBC Connection; nested exception is org.apache.commons.dbcp.SQLNestedException: Cannot create PoolableConnectionFactory (Communications link failure Last packet sent to the server was 0 ms ago.)
These are the details of my bundle:
1) Spring bundle(using Spring DM)
2) MySQL database is at port 7046 so my bean is as below:
<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource">
 <property name="driverClassName" value="com.mysql.jdbc.Driver" />
 <property name="url" value="jdbc:mysql://instance13550.db.xeround.com:7046/jas" />
 <property name="username" value="mysql" />
 <property name="password" value="mysql" />
</bean>
My bundle connects to the mysql database from withina local felix installation. But when I put the same bundle within CQ I get the error.
Please help.
Karan

I dont know the answer, but if you google for this, some articles listed might help:
re: "Communications link failure Last packet sent to the server was"
Note: I use 're:' which is short for 'reply',
I think you will also be better off using preparedStatements. Dont forget to use preparedStatement.clearParameters() just before preparedStatements.setString() items in the loop
Also, I question why you need to test having 1000 test users all banging away at your application at once. Chances are, most will be staring at your web page and only a few will ever hit the update/insert button
within the same 100 milliseconds or so that your process takes to update.

Error in Communicating with DCA Server

Hi,
I have Cisco LMS 2.6 and next modules:
1. CiscoWorks Common Services 3.0.6
2. Campus Manager 4.0.13
3. CiscoView 6.1.5
4. Device Fault Manager 2.0.13
5. Internetwork Performance Monitor 2.6.0
6. Integration Utility 1.6.0
7. Resource Manager Essentials 4.0.6
Windows Server 2003 SE SP2
I have some problems:
1)
When I try enter to Device and Credentials I get message "Error in communicating with DCA Server.
DCA Server may be down. Please start the DCA Server and then refresh the page."
I try to restart CiscoWorks Daemon Manager over Services.
I cannot get information a lot of time from command "pdshow". Only black screen on the window CMD.
Or I get error
C:\Documents and Settings\zykov>pdshow
ERROR: GetReply failed:
ERROR: Daemon Manager startup in progress. Please wait.
dcr.log
[ Чт фев 18 16:51:28 YEKT 2010 ] [Ajp13Processor[9009][4]] FATAL com.cisco.nm.dcr.DCRProxy - Error in Communication to DCRServer , Reason :DCRException ID - -202 : CSTM Error Code [-1] CSTM Comm Type [0] - Unknown exception before invocation
[ Чт фев 18 20:32:35 YEKT 2010 ] [Ajp13Processor[9009][3]] FATAL com.cisco.nm.dcr.DCRDatabaseAccess - Severe error in DCRDatabaseAccess initialization - JZ00L: Login failed. Examine the SQLWarnings chained to this exception for the reason(s). 0 JZ00L
[ Чт фев 18 20:32:35 YEKT 2010 ] [Ajp13Processor[9009][3]] FATAL com.cisco.nm.dcr.DCRSystem - Unable to Instantiate DCRDataManagement ObjectJZ00L: Login failed. Examine the SQLWarnings chained to this exception for the reason(s).
java.sql.SQLException: JZ00L: Login failed. Examine the SQLWarnings chained to this exception for the reason(s).
DCRServer.log
[ Thu Feb 18 21:10:41 YEKT 2010 ] Starting DCR Server...
[ Thu Feb 18 21:10:43 YEKT 2010 ] No restore has happened
dcrclient.log
[ Чт фев 18 20:50:49 YEKT 2010 ] [Ajp13Processor[9009][5]] FATAL com.cisco.nm.dcr.DCRProxy - Error in Communication to DCRServer , Reason :DCRException ID - -202 : CSTM Error Code [-1] CSTM Comm Type [0] - Unknown exception before invocation
2) When I run Alerts and Activites I get error "An exception occurred. Please check the AAD.log file for further details."
AAD.log
18-фев-2010|21:30:10.291|ERROR|AAD|Ajp13Processor[9009][3]|AFDLaunchAction|perform|.|Error in calling getPartitionNamePMServercom.cisco.nm.xms.ctm.common.CTMException: Read timed out/Error in received response Connection reset
3) On the window Home of Common Services I have message "JRM server is down or inaccessible for this user"
I try reinstall last modules Campus Manager 4.0.13,
Device Fault Manager 2.0.13,
CiscoWorks Common Services 3.0.6.
But it cannot help me.
I think that this problems related. Yesterday all works correctly.
Thank you for your help.

You are right the problem was related with antivirus.
After removal antivirus DCA Server started successfully.
Remains the question as to be without an antivirus program?
Also remains a problem in the window Alerts and Activites.
When I click on the Device Name field (for some devices) does not open Detailed Device View.
The window closes immediately after opening.

Error 08S01 Communication Link Falure

Similar Messages

Maybe you are looking for