Recall: DB2 database locks

[Kumawat, Priyanka]

Kumawat, Priyanka would like to recall the message, "DB2 database locks".


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RE: DB2 database locks

[Kumawat, Priyanka]

Hello Christopher,

Thankyou !

Seems we are not using the connection pooling from Tomcat side , below are the 
DB configuration parameters on context.xml file, do not see any connection pool 
details here.

 I have one more question , Sorry to bother again .

Can the below parameters can aid us with this issue , as given on the below 
Technote , if yes how we need to determine the timings for these parameters.

minEvictableIdleTimeMillis
timeBetweenEvictionRunsMillis
validationQuery
removeAbandoned
removeAbandonedTimeout

https://clicktime.symantec.com/15tpDJaiWQgJkidLe87mk?h=yWdfcnF5c5AA3mR_NqzsE2Vn6i1-jvPL-SPbx3NMDQ8=&u=https://support.hcltechsw.com/csm?id%3Dkb_article%26sysparm_article%3DKB0098601


Thanks & Regards,

Priyanka Kumawat | Middleware Admin
T +91.7879364483
EMail - priyanka.kuma...@dxc.com
DL - ams-leveraged-webadmin-offsh...@dxc.com

DXC Technology

-Original Message-
From: Christopher Schultz 
Sent: 21 October 2022 00:50
To: Kumawat, Priyanka ; Tomcat Users List 

Subject: Re: DB2 database locks

Priyanka,

On 10/20/22 13:15, Kumawat, Priyanka wrote:
> Thankyou muck for the explanation for this !!! we have got from below
> mail that it is likely to be an application coding issue and they
> needs to fix or use commit etc for long running transactions .
>
> The one steps that you have given below to set the "query timeout" ,
> is this one we can set up on Tomcat side?
That depends upon how you are obtaining you database connections. If you are 
using a connection pool provided by Tomcat (either tomcat-pool or
dbcp-pool) then you can configure according to the documentation for whichever 
component you are using (they have similar but different configuration styles).

-chris


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RE: DB2 database locks

[Kumawat, Priyanka]

Hello Christopher,

Thankyou !

Seems we are not using the connection pooling from Tomcat side , below are the 
DB configuration parameters on context.xml file, do not see any connection pool 
details here.


 I have one more question , Sorry to bother again .

Can the below parameters can aid us with this issue , as given on the below 
Technote , if yes how we need to determine the timings for these parameters.

minEvictableIdleTimeMillis
timeBetweenEvictionRunsMillis
validationQuery
removeAbandoned
removeAbandonedTimeout

https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0098601


Thanks & Regards,

Priyanka Kumawat | Middleware Admin
T +91.7879364483
EMail - priyanka.kuma...@dxc.com
DL - ams-leveraged-webadmin-offsh...@dxc.com

DXC Technology

-Original Message-
From: Christopher Schultz 
Sent: 21 October 2022 00:50
To: Kumawat, Priyanka ; Tomcat Users List 

Subject: Re: DB2 database locks

Priyanka,

On 10/20/22 13:15, Kumawat, Priyanka wrote:
> Thankyou muck for the explanation for this !!! we have got from below
> mail that it is likely to be an application coding issue and they
> needs to fix or use commit etc for long running transactions .
>
> The one steps that you have given below to set the "query timeout" ,
> is this one we can set up on Tomcat side?
That depends upon how you are obtaining you database connections. If you are 
using a connection pool provided by Tomcat (either tomcat-pool or
dbcp-pool) then you can configure according to the documentation for whichever 
component you are using (they have similar but different configuration styles).

-chris


DXC Technology Company -- This message is transmitted to you by or on behalf of 
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contain proprietary, confidential or privileged information or information that 
is otherwise legally exempt from disclosure. Any unauthorized review, use, 
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RE: DB2 database locks

[Kumawat, Priyanka]

Hi Christopher ,

Thankyou muck for the explanation for this !!! we have got from below mail that 
it is likely to be an application coding issue and they needs to fix or use 
commit etc for long running transactions .

The one steps that you have given below to set the "query timeout" , is this 
one we can set up on Tomcat side ?

Something else that may help in your situation as a band-aid would be to set a 
"query timeout" on your connections to abandon any query that takes too long. 
You could set this to a very long timeout like 60 seconds to ensure that your 
application, if it does get tied-up like this, will at least eventually become 
available without you having to restart your application server(s).


Thanks & Regards,

Priyanka Kumawat | Middleware Admin
T +91.7879364483
EMail - priyanka.kuma...@dxc.com
DL - ams-leveraged-webadmin-offsh...@dxc.com

DXC Technology





-Original Message-
From: Christopher Schultz 
Sent: 19 October 2022 21:28
To: Tomcat Users List ; Kumawat, Priyanka 

Subject: Re: DB2 database locks

Priyanka,

Before I respond further, database lock problems are almost certainly not being 
caused by Tomcat itself. It's far more likely that the
application(s) deployed on Tomcat are responsible for the problem.

Please see below for additional comments.

On 10/18/22 14:55, Kumawat, Priyanka wrote:
> We have been encountered another issue with the Database locks
> recently , yesterday there was been Table locks identified from the
> Database team ,  and after certain period of time we have received the
> below error on the Apache logs and we have to restart the
> tomcat/Apache instances. >
 >
> : [Mon Oct 17 04:21:04.599196 2022] [mpm_event:error] [pid 10576:tid
> 140052698470144] AH00484: server reached MaxRequestWorkers setting,
> consider raising the MaxRequestWorkers setting
This error message is unrelated to database locks, but if you have locked 
transactions on the database server, that may cause your application threads to 
stall and block-up the whole network.

> we needed your suggestion as how these errors can cause the Apache to
> go with worker exhaustion error.
>
> Apache version - 2.4.25

Note that this is the Apache httpd version, which is "old" but if you are using 
a package-managed version might not be actually out of date.
You should check to ensure you are running the latest version of httpd, 
otherwise you may be exposing you and your users to security vulnerabilities.


> HOLDAPP HOLDER AGNTHLDLCK WAITTAPPWAITER WTAGNTID  
> HOLDMODE   OBJTYPETABNAME   SCHEMA WTNGSECS
>
> --- -- -- --- --
> - -- -- -
> -- ---
>
> db2bp   DB2INST25726  db2jcc_applicat WING2  26171 U  
> TABLE_LOCK SALESDOCLIWING2  616

Tomcat can be configured to perform some database operations on your behalf. 
Among those operations are the following:

1. User authentication
2. Durable session data storage

Neither of those, I suspect, would be using a table called "SALESDOCLI"
and so I repeat my suspicion that your application is at fault, not Tomcat.

There is some good news, though: all the locked tables are the same, so it 
should be easy to check your application for accesses to that table and see 
what may be wrong.

I highly recommend that you and/or your programmers read this article for more 
information about database connection resource management:

https://clicktime.symantec.com/15tStamh3A9TqmP1AZ3rW?h=HtKkO_1alkGcAx1CwAu6RMqlIgFQDAMkZXZP9O3OwkA=&u=https://blog.christopherschultz.net/2009/03/16/properly-handling-pooled-jdbc-connections/

Something else that may help in your situation as a band-aid would be to set a 
"query timeout" on your connections to abandon any query that takes too long. 
You could set this to a very long timeout like 60 seconds to ensure that your 
application, if it does get tied-up like this, will at least eventually become 
available without you having to restart your application server(s).

Hope that helps,
-chris


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DB2 database locks

[Kumawat, Priyanka]

Hello Team ,

We have been encountered another issue with the Database locks recently , 
yesterday there was been Table locks identified from the Database team ,  and 
after certain period of time we have received the below error on the Apache 
logs and we have to restart the tomcat/Apache instances.

: [Mon Oct 17 04:21:04.599196 2022] [mpm_event:error] [pid 10576:tid 
140052698470144] AH00484: server reached MaxRequestWorkers setting, consider 
raising the MaxRequestWorkers setting

we needed your suggestion as how these errors can cause the Apache to go with 
worker exhaustion error.

Apache version - 2.4.25

***

Below are details given by DB team -


INSTANCE: db2inst

DATABASE: tirehq



TIMESTAMP: 2022-10-17.02.20.01



HOLDAPP HOLDER AGNTHLDLCK WAITTAPPWAITER WTAGNTID  
HOLDMODE   OBJTYPETABNAME   SCHEMA WTNGSECS

--- -- -- --- -- - 
-- -- - -- ---

db2bp   DB2INST25726  db2jcc_applicat WING2  26171 U
  TABLE_LOCK SALESDOCLIWING2  616

db2bp   DB2INST25726  db2jcc_applicat WING2  26217 U
  TABLE_LOCK SALESDOCLIWING2  336

db2bp   DB2INST25726  db2jcc_applicat WING2  26263 U
  TABLE_LOCK SALESDOCLIWING2  135

db2bp   DB2INST25726  db2jcc_applicat WING2  26276 U
  TABLE_LOCK SALESDOCLIWING2   13

db2bp   DB2INST25726  db2jcc_applicat WING2  26151 U
  TABLE_LOCK SALESDOCLIWING2  781

db2bp   DB2INST25726  db2jcc_applicat WING2  26197 U
  TABLE_LOCK SALESDOCLIWING2  540

db2bp   DB2INST25726  db2jcc_applicat WING2  26164 U
  TABLE_LOCK SALESDOCLIWING2  663

db2bp   DB2INST25726  db2jcc_applicat WING2  26210 U
  TABLE_LOCK SALESDOCLIWING2  420

db2bp   DB2INST25726  db2jcc_applicat WING2  26256 U
  TABLE_LOCK SALESDOCLIWING2  237

db2bp   DB2INST25726  db2jcc_applicat WING2  131   U
  TABLE_LOCK SALESDOCLIWING2 3071

db2bp   DB2INST25726  db2jcc_applicat WING2  26144 U
  TABLE_LOCK SALESDOCLIWING2  764

db2bp   DB2INST25726  db2jcc_applicat WING2  26269 U
  TABLE_LOCK SALESDOCLIWING2   75

db2bp   DB2INST25726  db2jcc_applicat WING2  26190 U
  TABLE_LOCK SALESDOCLIWING2  560

db2bp   DB2INST25726  db2jcc_applicat WING2  111   U
  TABLE_LOCK SALESDOCLIWING2 1782

db2bp   DB2INST25726  db2jcc_applicat WING2  26157 U
  TABLE_LOCK SALESDOCLIWING2  721

db2bp   DB2INST25726  db2jcc_applicat WING2  26203 U
  TABLE_LOCK SALESDOCLIWING2  459

db2bp   DB2INST25726  db2jcc_applicat WING2  26170 U
  TABLE_LOCK SALESDOCLIWING2  636

db2bp   DB2INST25726  db2jcc_applicat WING2  26216 U
  TABLE_LOCK SALESDOCLIWING2  357

db2bp   DB2INST25726  db2jcc_applicat WING2  26262 U
  TABLE_LOCK SALESDOCLIWING2  159

db2bp   DB2INST25726  db2jcc_applicat WING2  26275 U
  TABLE_LOCK SALESDOCLIWING2   16

db2bp   DB2INST25726  db2jcc_applicat WING2  26150 U
  TABLE_LOCK SALESDOCLIWING2  794

db2bp   DB2INST25726  db2jcc_applicat WING2  26196 U
  TABLE_LOCK SALESDOCLIWING2  540

db2bp   DB2INST25726  db2jcc_applicat WING2  26242 U
  TABLE_LOCK SALESDOCLIWING2  257

db2bp   DB2INST25726  db2jcc_applicat WING2  117   U
  TABLE_LOCK SALESDOCLIWING2 2806

db2bp   DB2INST25726  db2jcc_applicat WING2  26163 U
  TABLE_LOCK SALESDOCLI 

RE: AW: MaxRequestWorkers error

[Kumawat, Priyanka]

Hi Thomas,

-> How much memory did you configure for your java environment? -->

-Xms4096m -Xmx8192m

-> Parameter If the java process eats too much memory, you can write a memory 
dump when an OOM exception occurs.

Do we need to run this cmd with the startup.sh tomcat cmd , or can we run this 
directly on server , before restarting the tomcat during OOM error.

-XX:+HeapDumpOnOutOfMemoryError 
-XX:HeapDumpPath=/opt/tomcat/apache-tomcat-8.5.5/logs/javadump.dmp

Also can we use the cmd's also for generating heap and thread dumps , please 
suggest are these cmd's useful for these error condition.

kill -3 PID

/opt/tomcat/jdk1.8.0_121/bin
./jmap -F -dump:format=b,file=/tmp/heap.bin PID
./jmap -F -dump:format=b,file=/tmp/heap.hpof PID

The below is the current memory foot print on the prod server now -

tomcat@[/tmp]$ free -m
 total   used   free sharedbuffers cached
Mem: 32109  31422687 69   1185  15452
-/+ buffers/cache:  14783  17325
Swap:16383  0  16383
tomcat@[/tmp]$ free -m
 total   used   free sharedbuffers cached
Mem: 32109  31422687 69   1185  15452
-/+ buffers/cache:  14783  17325
Swap:16383  0  16383
tomcat@[/tmp]$ free -m
 total   used   free sharedbuffers cached
Mem: 32109  31422687 69   1185  15452
-/+ buffers/cache:  14783  17325
Swap:16383  0  16383


> > You can also open a JMX port and inspect the memory using during runtime, 
> > e.g. with VirtualVM

We are still trying this option to get run , this is asking to have java 1.8 or 
higher , can we use any other option to check the Memory during runtime?.

Please suggest . Thankyou !


Thanks & Regards,

Priyanka Kumawat | Middleware Admin
T +91.7879364483
EMail - priyanka.kuma...@dxc.com
DL - ams-leveraged-webadmin-offsh...@dxc.com

DXC Technology








-Original Message-
From: Thomas Hoffmann (Speed4Trade GmbH) 

Sent: 28 September 2022 12:02
To: Tomcat Users List 
Subject: AW: AW: MaxRequestWorkers error



> -Ursprüngliche Nachricht-
> Von: Rob Sargent 
> Gesendet: Dienstag, 27. September 2022 23:26
> An: users@tomcat.apache.org
> Betreff: Re: AW: MaxRequestWorkers error
>
>
>
> On 9/27/22 14:37, Thomas Hoffmann (Speed4Trade GmbH) wrote:
> >
> > How much memory did you configure for your java environment? --> Xmx
> > Parameter If the java process eats too much memory, you can write a
> memory dump when an OOM exception occurs.
> > E.g. with the parameters: -XX:+HeapDumpOnOutOfMemoryError -
> XX:HeapDumpPath=/var/logs/javadump.dmp"
> > You can also open a JMX port and inspect the memory using during
> > runtime, e.g. with VirtualVM
> > https://clicktime.symantec.com/15tStaehQas9svtdpJ83n?h=sL3qdTIGckj1F
> > A6lY59OUlcDtGbnfGtyeXufk7TPq70=&u=https://visualvm.github.io/
> >
> Pretty sure Thomas mean "VisualVM"

Of course :)
Link was right, name was wrong.

>
> -
> To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org
> For additional commands, e-mail: users-h...@tomcat.apache.org

B CB  [  
X  ܚX KK[XZ[
 \ \  ][  X  ܚX P X ]
 \X K ܙ B  ܈Y][ۘ[  [X[  K[XZ[
 \ \  Z[ X ]
 \X K ܙ B


DXC Technology Company -- This message is transmitted to you by or on behalf of 
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is otherwise legally exempt from disclosure. Any unauthorized review, use, 
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RE: MaxRequestWorkers error

[Kumawat, Priyanka]

Hello Christopher ,

Thank you for your assistance !.Please find the mpm event given under 
httpd.mpm.conf file on the server as below , the max request worker was 
increased 50 more , approx two months before , that time we faced the same 
issue with Max request error and Memory got exhausted on server , the root 
cause was concluded that time was insufficient memory part of solution 16GB 
memory was added to the server along with the Max worker increase, the tomcat 
application heap size was also been adjusted -

But we have started seeing the same kind of problems again , the tomcat went to 
crash status with Out of memory errors , and Apache error logs with Max request 
errors , whole production environment due to this .

It occurred twice recently - 16th Sept and 20th Sept.

**
Error details -

: [Tue Sep 20 10:25:23.518687 2022] [mpm_event:error] [pid 29112:tid 
140343038482176] AH00484: server reached MaxRequestWorkers setting, consider 
raising the MaxRequestWorkers setting
[Tue Sep 20 10:48:08.134955 2022] [mpm_event:error] [pid 23940:tid 
140413844547328] AH00484: server reached MaxRequestWorkers setting, consider 
raising the MaxRequestWorkers setting


[root@ustlswh552 logs]# uptime
05:08:35 up 72 days,  5:39,  2 users,  load average: 0.22, 0.13, 0.07

/opt/tomcat/apache-tomcat-8.5.5/logs/localhost.2022-09-16.log

16-Sep-2022 15:49:00.672 SEVERE [ajp-nio-8009-exec-117] 
org.apache.catalina.core.StandardWrapperValve.invoke Servlet.service() for 
servlet [ws] in context with path [/thq] threw exception [Request processing 
failed; nested exception is java.lang.OutOfMemoryError: unable to create new 
native thread] with root cause
java.lang.OutOfMemoryError: unable to create new native thread
at java.lang.Thread.start0(Native Method)



**

# event MPM
# StartServers: initial number of server processes to start
# MinSpareThreads: minimum number of worker threads which are kept spare
# MaxSpareThreads: maximum number of worker threads which are kept spare
# ThreadsPerChild: constant number of worker threads in each server process
# MaxRequestWorkers: maximum number of worker threads
# MaxConnectionsPerChild: maximum number of connections a server process serves
# before terminating

StartServers 3
MinSpareThreads 75
MaxSpareThreads250
ThreadsPerChild 50
MaxRequestWorkers  500
MaxConnectionsPerChild   0



Thanks & Regards,

Priyanka Kumawat | Middleware Admin
T +91.7879364483
EMail - priyanka.kuma...@dxc.com
DL - ams-leveraged-webadmin-offsh...@dxc.com

DXC Technology





-Original Message-
From: Christopher Schultz 
Sent: 28 September 2022 00:19
To: Tomcat Users List 
Subject: Re: MaxRequestWorkers error

Koustav,

On 9/27/22 11:09, Naha, Koustav wrote:
> We have Tomcat and Apache installed in our production environment
> since
> 5/6 years. Everything was going fine until we started getting
> application not responding status from users, upon checking we found
> out that there was a MaxRequest error as below,
>
>   * In Apache log we have found this error.
>
> [Tue Sep 20 10:48:08.134955 2022] [mpm_event:error] [pid 23940:tid
> 140413844547328] AH00484: server reached MaxRequestWorkers setting,
> consider raising the MaxRequestWorkers setting
>
>   * we have seen the below error on tomcat logs

Your attachment has been removed from the mailing list. Can you please provide 
a text-only description of the problem?

> We increased 16gb memory on both servers , now we have 32 Gb memory in
> each servers. But the issue still is there.

You could have 1TiB of memory on your server and it would not solve the issue 
you are reporting.

> Suddenly we start getting the error and we have to restart Tomcat and
> Apache.
>
> FAQ:
>
>  1. Need permeant Solution on this as restarting the instances has
> became too frequent these days.
>  2. We increased MaxRequestWorker value 400 from 200.
>
> 
>  StartServers 3
>  MinSpareThreads 75
>  MaxSpareThreads250
>  ThreadsPerChild 25
>  MaxRequestWorkers  400
>  MaxConnectionsPerChild   0
> 

Your error message says "[mpm_event:error]" which suggests you are using the 
"event" MPM and not the "worker" MPM. You have configured the "worker" MPM 
above. Do you have a different config section for mpm_event_module?

Another relevant setting is "ServerLimit".

>  3. Database and network team reported no unusual activity during the issue.

Good. That suggests you don't actually have a "problem". You are just hitting 
the limits imposed by your configuration.

>  4. Code is refreshed every month , no issue found on coding side.
>  5. While the issue starts the server becomes low on memory.

If you are running httpd and Tomcat on the same machine, my gues

RE: How to check no of user request coming in tomcat application in a minute

[Kumawat, Priyanka]

Hi Christopher,

> Do you want to be able to pick an arbitrary minute, or are you more 
> interested in e.g. "the most recent minute or activity"?

We wanted to count the number of users hitting the application on tomcat/Apache 
, as an example for today how many users hits/send request to the application ,
How shall we check this request , please suggest.

Thanks & Regards,

Priyanka Kumawat | Middleware Admin
T +91.7879364483
EMail - priyanka.kuma...@dxc.com
DL - ams-leveraged-webadmin-offsh...@dxc.com

DXC Technology


-Original Message-
From: Christopher Schultz 
Sent: 08 September 2022 20:04
To: users@tomcat.apache.org
Subject: Re: How to check no of user request coming in tomcat application in a 
minute

Koustav,

On 9/8/22 10:06, Naha, Koustav wrote:
> Just want to know how can we calculate the number of user request processed 
> by tomcat in a particular minute.

Do you want to be able to pick an arbitrary minute, or are you more interested 
in e.g. "the most recent minute or activity"?

> Can we do it from Apache access logs?

Sure.

$ grep '08/Sep/2022:14:32:' access.log | wc

> Version
>
>*   Tomcat 8.5.5

Ouch. That version is 6 years old with published security vulnerabilities. I 
strongly suggest that you upgrade ASAP.

>*   Apache 2.4

I'm gonna guess that this is out-of-date, too. Latest is 2.4.54 from back in 
June 2022.

-chris

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DXC Technology Company -- This message is transmitted to you by or on behalf of 
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disseminate any part of this message. If you have received this message in 
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RE: Tomcat - Error

[Kumawat, Priyanka]

Hello Thomas/Christopher, 

- Error message - /cgi/sales_BTSTEngine: error while loading shared libraries: 
libdb2.so.1: cannot open shared object file: No such file or directory

We have tried to search the libdb2.so.1 lib file on the server and it do exist 
under the 

/opt/IBM/db2/10.5.11/lib32/libdb2.so.1
/opt/IBM/db2/10.5.11/lib64/libdb2.so.1

DB2 doesn't got anything on their end for this error, how shall we check the 
environment variables LD_LIBRARY_PATH on the tomcat , we are using the Linux 
servers . 


Thanks & Regards,

Priyanka Kumawat | Middleware Admin
T +91.7879364483 
EMail - priyanka.kuma...@dxc.com
DL - ams-leveraged-webadmin-offsh...@dxc.com

DXC Technology







-Original Message-
From: Thomas Hoffmann (Speed4Trade GmbH) 
 
Sent: 08 March 2022 00:54
To: Tomcat Users List 
Subject: AW: Tomcat - Error



Hello,

it looks like your application is using a DB2 database.
The file libdb2.so is related to the JDBC-driver.
Please check the location of that shared-object and verify that the path is 
listed in the LD_LIBRARY_PATH environment variable.

It seems that Java can't find the file in the LD_LIBRARY_PATH.

Greetings,
Thomas

____
Von: Kumawat, Priyanka 
Gesendet: Montag, 7. März 2022 19:48
An: Tomcat Users List
Betreff: Tomcat - Error

Hello Team ,

We are getting the below error on the tomcat Catalina .out logs , needed your 
help as is there any lib file corrupted , can you please help us on this error 
- this has occurred on production env.


WsUtils(getUserName)-> authentication is 
[org.springframework.security.authentication.UsernamePasswordAuthenticationToken@7b116622:
 Principal: websvcasc; Cre
dentials: [PROTECTED]; Authenticated: false; Details: null; Not granted any 
authorities].
WsUtils(getUserName)-> userName is [websvcasc].
WsUtils(getUserName)-> Exit.
[Ljava.lang.StackTraceElement;@211dde1c
/cgi/sales_ws_rules_engine: error while loading shared libraries: libdb2.so.1: 
cannot open shared object file: No such file or directory 
ThqUserDetailsService(loadUserByUsername)-> username [audramassie] authorities 
[[ROLE_Dealer, ROLE_USER]].
2022-03-07 12:18:19,935  WARN 
org.springframework.security.authentication.event.LoggerListener:67 - 
Authentication event InteractiveAuthenticationSuccessEven
t: audramassie; details: null
(getGywUserMask)-> GYW usermask is all 'N's
isAuthorized-> success
ThqWsAuthenticationManager(authenticate)-> Entry.

Thanks & Regards,

Priyanka Kumawat | Middleware Admin
T +91.7879364483
EMail - priyanka.kuma...@dxc.com<mailto:priyanka.kuma...@dxc.com>
DL - 
ams-leveraged-webadmin-offsh...@dxc.com<mailto:ams-leveraged-webadmin-offsh...@dxc.com>

DXC Technology






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RE: Tomcat - Error

[Kumawat, Priyanka]

Attaching the error details one more time - 

SysCmd is env LD_PRELOAD_32="/cgi/libJNIInitializer.so" DB2INSTANCE=db2inst 
/cgi/sales_ws_rules_engine WEB_SERVICES F01000172379153825439 websvctirehub 
SIMUL
ATE
Return code is 127
SysCmd is env LD_PRELOAD_32="/cgi/libJNIInitializer.so" DB2INSTANCE=db2inst 
/cgi/sales_ws_rules_engine WEB_SERVICES H01000172358153825469 websvctirehub 
SIMUL
ATE
Return code is 127
SysCmd is env LD_PRELOAD_32="/cgi/libJNIInitializer.so" DB2INSTANCE=db2inst 
/cgi/sales_ws_rules_engine WEB_SERVICES A0100090052776640 websvcasc SIMULATE
Return code is 127
SysCmd is env LD_PRELOAD_32="/cgi/libJNIInitializer.so" DB2INSTANCE=db2inst 
/cgi/sales_ws_rules_engine WEB_SERVICES H01000172338153825479 websvctirehub 
SIMUL
ATE
Return code is 127
SysCmd is env LD_PRELOAD_32="/cgi/libJNIInitializer.so" DB2INSTANCE=db2inst 
/cgi/sales_ws_rules_engine WEB_SERVICES H0100017242815379697 websvctirehub 
SIMULA
TE
Return code is 127
SysCmd is env LD_PRELOAD_32="/cgi/libJNIInitializer.so" DB2INSTANCE=db2inst 
/cgi/sales_ws_rules_engine WEB_SERVICES A010001196241501434 3017sout NORMAL
Return code is 127
SysCmd is env LD_PRELOAD_32="/cgi/libJNIInitializer.so" DB2INSTANCE=db2inst 
/cgi/sales_BTSTEngine tirehq wing2 w1ngf00t ODBC phillipwalker 01 000146586 A 
114
116
Return code is 127


Thanks & Regards,

Priyanka Kumawat | Middleware Admin
T +91.7879364483 
EMail - priyanka.kuma...@dxc.com
DL - ams-leveraged-webadmin-offsh...@dxc.com

DXC Technology





-Original Message-
From: Kumawat, Priyanka  
Sent: 08 March 2022 00:18
To: Tomcat Users List 
Subject: Tomcat - Error 

Hello Team ,

We are getting the below error on the tomcat Catalina .out logs , needed your 
help as is there any lib file corrupted , can you please help us on this error 
- this has occurred on production env.


WsUtils(getUserName)-> authentication is 
[org.springframework.security.authentication.UsernamePasswordAuthenticationToken@7b116622:
 Principal: websvcasc; Cre
dentials: [PROTECTED]; Authenticated: false; Details: null; Not granted any 
authorities].
WsUtils(getUserName)-> userName is [websvcasc].
WsUtils(getUserName)-> Exit.
[Ljava.lang.StackTraceElement;@211dde1c
/cgi/sales_ws_rules_engine: error while loading shared libraries: libdb2.so.1: 
cannot open shared object file: No such file or directory 
ThqUserDetailsService(loadUserByUsername)-> username [audramassie] authorities 
[[ROLE_Dealer, ROLE_USER]].
2022-03-07 12:18:19,935  WARN 
org.springframework.security.authentication.event.LoggerListener:67 - 
Authentication event InteractiveAuthenticationSuccessEven
t: audramassie; details: null
(getGywUserMask)-> GYW usermask is all 'N's
isAuthorized-> success
ThqWsAuthenticationManager(authenticate)-> Entry.

Thanks & Regards,

Priyanka Kumawat | Middleware Admin
T +91.7879364483
EMail - priyanka.kuma...@dxc.com<mailto:priyanka.kuma...@dxc.com>
DL - 
ams-leveraged-webadmin-offsh...@dxc.com<mailto:ams-leveraged-webadmin-offsh...@dxc.com>

DXC Technology






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Tomcat - Error

[Kumawat, Priyanka]

Hello Team ,

We are getting the below error on the tomcat Catalina .out logs , needed your 
help as is there any lib file corrupted , can you please help us on this error 
- this has occurred on production env.


WsUtils(getUserName)-> authentication is 
[org.springframework.security.authentication.UsernamePasswordAuthenticationToken@7b116622:
 Principal: websvcasc; Cre
dentials: [PROTECTED]; Authenticated: false; Details: null; Not granted any 
authorities].
WsUtils(getUserName)-> userName is [websvcasc].
WsUtils(getUserName)-> Exit.
[Ljava.lang.StackTraceElement;@211dde1c
/cgi/sales_ws_rules_engine: error while loading shared libraries: libdb2.so.1: 
cannot open shared object file: No such file or directory
ThqUserDetailsService(loadUserByUsername)-> username [audramassie] authorities 
[[ROLE_Dealer, ROLE_USER]].
2022-03-07 12:18:19,935  WARN 
org.springframework.security.authentication.event.LoggerListener:67 - 
Authentication event InteractiveAuthenticationSuccessEven
t: audramassie; details: null
(getGywUserMask)-> GYW usermask is all 'N's
isAuthorized-> success
ThqWsAuthenticationManager(authenticate)-> Entry.

Thanks & Regards,

Priyanka Kumawat | Middleware Admin
T +91.7879364483
EMail - priyanka.kuma...@dxc.com
DL - 
ams-leveraged-webadmin-offsh...@dxc.com

DXC Technology






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DXC Technology Company or one of its affiliates. It is intended exclusively for 
the addressee. The substance of this message, along with any attachments, may 
contain proprietary, confidential or privileged information or information that 
is otherwise legally exempt from disclosure. Any unauthorized review, use, 
disclosure or distribution is prohibited. If you are not the intended recipient 
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expressly permitting the use of e-mail for such purpose.

Tomcat - Deployment

[Kumawat, Priyanka]

Hi Team ,

I have did a Tomcat application deployment on Production region and copied the 
WAR file to the webapps location of tomcat , we normally do this change monthly 
, tested on Stage env after successful it will go to the production env.

But  This time we have encountered an issue- after the deployment completes - 
The logs was giving the below error -

The client reports there is no issue with the WAR file as it was deployed 
successfully for lower env - stage , they have asked to deploy one more time on 
prod , this time it worked successful. I need your help to determine wat went 
wrong during the first implementation while the same steps were performed 
during both the times.

2021-11-07 05:05:58,277 ERROR org.springframework.web.context.ContextLoader:350 
- Context initialization failed
org.springframework.beans.factory.UnsatisfiedDependencyException: Error 
creating bean with name 'fleetTireFinderRestController': Unsatisfied dependency 
expressed through field 'fleetOrderService'; nested exception is 
org.springframework.beans.factory.UnsatisfiedDependencyException: Error 
creating bean with name 'fleetOrderServiceImpl': Unsatisfied dependency 
expressed through field 'catalogHelper'; nested exception is 
org.springframework.beans.factory.UnsatisfiedDependencyException: Error 
creating bean with name 'catalogHelperDao': Unsatisfied dependency expressed 
through field 'productValidationDao'; nested exception is 
org.springframework.beans.factory.UnsatisfiedDependencyException: Error 
creating bean with name 'productValidationDao': Unsatisfied dependency 
expressed through field 'tireFinder'; nested exception is 
org.springframework.beans.factory.UnsatisfiedDependencyException: Error 
creating bean with name 'tireFinderDao': Unsatisfied dependency expressed 
through field 'prodExclusions'; nested exception is 
org.springframework.beans.factory.BeanCreationException: Error creating bean 
with name 'productExclusionRegistryDao': Invocation of init method failed; 
nested exception is org.springframework.jdbc.UncategorizedSQLException: 
StatementCallback; uncategorized SQLException for SQL [select * from 
excl_dc_ph]; SQL state [null]; error code [-4470]; 
[jcc][t4][10120][10898][4.9.78] Invalid operation: result set is closed. 
ERRORCODE=-4470, SQLSTATE=null; nested exception is 
com.ibm.db2.jcc.am.SqlException: [jcc][t4][10120][10898][4.9.78] Invalid 
operation: result set is closed. ERRORCODE=-4470, SQLSTATE=null
Caused by: org.springframework.beans.factory.UnsatisfiedDependencyException: 
Error creating bean with name 'fleetOrderServiceImpl': Unsatisfied dependency 
expressed through field 'catalogHelper'; nested exception is 
org.springframework.beans.factory.UnsatisfiedDependencyException: Error 
creating bean with name 'catalogHelperDao': Unsatisfied dependency expressed 
through field 'productValidationDao'; nested exception is 
org.springframework.beans.factory.UnsatisfiedDependencyException: Error 
creating bean with name 'productValidationDao': Unsatisfied dependency 
expressed through field 'tireFinder'; nested exception is 
org.springframework.beans.factory.UnsatisfiedDependencyException: Error 
creating bean with name 'tireFinderDao': Unsatisfied dependency expressed 
through field 'prodExclusions'; nested exception is 
org.springframework.beans.factory.BeanCreationException: Error creating bean 
with name 'productExclusionRegistryDao': Invocation of init method failed; 
nested exception is org.springframework.jdbc.UncategorizedSQLException: 
StatementCallback; uncategorized SQLException for SQL [select * from 
excl_dc_ph]; SQL state [null]; error code [-4470]; 
[jcc][t4][10120][10898][4.9.78] Invalid operation: result set is closed. 
ERRORCODE=-4470, SQLSTATE=null; nested exception is 
com.ibm.db2.jcc.am.SqlException: [jcc][t4][10120][10898][4.9.78] Invalid 
operation: result set is closed. ERRORCODE=-4470, SQLSTATE=null


Thanks & Regards,

Priyanka Kumawat | Middleware Admin
T +91.7879364483
EMail - priyanka.kuma...@dxc.com
DL - 
ams-leveraged-webadmin-offsh...@dxc.com

DXC Technology






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DXC Technology Company or one of its affiliates. It is intended exclusively for 
the addressee. The substance of this message, along with any attachments, may 
contain proprietary, confidential or privileged information or information that 
is otherwise legally exempt from disclosure. Any unauthorized review, use, 
disclosure or distribution is prohibited. If you are not the intended recipient 
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Technology Company or any of its affiliates to a

Upgrade Apache- Tomcat and HTTPD

[Kumawat, Priyanka]

Hi Team ,

We have received some vulnerabilities for our Tomcat and Apache -httpd , as 
there multiple vulnerabilities reported we needs to upgrade the software.

Is there any documentation/process is available for the tomcat and Apache 
upgrade or any tool which we can use to perform the upgrade .

Also wat java version we will require for the Tomcat 8.0 and 8.5 version.

Thankyou!

Thanks & Regards,

Priyanka Kumawat | Middleware Admin
T +91.7879364483
EMail - priyanka.kuma...@dxc.com
DL - 
ams-leveraged-webadmin-offsh...@dxc.com

DXC Technology






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DXC Technology Company or one of its affiliates. It is intended exclusively for 
the addressee. The substance of this message, along with any attachments, may 
contain proprietary, confidential or privileged information or information that 
is otherwise legally exempt from disclosure. Any unauthorized review, use, 
disclosure or distribution is prohibited. If you are not the intended recipient 
of this message, you are not authorized to read, print, retain, copy or 
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RE: Tomcat SSL - Issue

[Kumawat, Priyanka]

Hello Christopher/Niranjan,

Thankyou very much for the below information !!!
The issue was with the Java version , we needs to upgrade the java version 
inorder to install the cert .
Thankyou again for your support !!!.

Thanks & Regards,

Priyanka Kumawat | Middleware Admin
T +91.7879364483
EMail - priyanka.kuma...@dxc.com
DL - ams-leveraged-webadmin-offsh...@dxc.com

DXC Technology


-Original Message-
From: Christopher Schultz 
Sent: 22 September 2021 02:53
To: users@tomcat.apache.org
Subject: Re: Tomcat SSL - Issue

Priyanka,

On 9/21/21 13:52, Kumawat, Priyanka wrote:
> Hello Team ,
>
> Please find the error details as below -
>
> The site can't provide a secure connection .
>
> xmotam01.phl.com uses an unsupported protocol
>
> ERR_SSL_VERSION or CIPHER MISMATCH
>
> Unsupported protocol - The client and server don;t support a common
> protocol version.

Many versions of Java 1.7 do not support TLSv1.2. Try running this tool under 
your Java 1.7 environment for some good information:

https://clicktime.symantec.com/3Sz9L481YBNoQcbTNkoLGRP7Vc?u=https%3A%2F%2Fgithub.com%2FChristopherSchultz%2Fssltest

-chris

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contain proprietary, confidential or privileged information or information that 
is otherwise legally exempt from disclosure. Any unauthorized review, use, 
disclosure or distribution is prohibited. If you are not the intended recipient 
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RE: Tomcat SSL - Issue

[Kumawat, Priyanka]

Hi Niranjan ,

Thankyou.

The script here on the below command will be the ssltest script that Chris have 
given ?
Also IP address will be the IP of the server .?


nmap -sV --script ssl-enum-ciphers -p  

https://clicktime.symantec.com/3Cx1tBjB9n6EQyoUQjHJNWU7Vc?u=https%3A%2
F%2Fgithub.com%2FChristopherSchultz%2Fssltest


Thanks & Regards,

Priyanka Kumawat | Middleware Admin
T +91.7879364483
EMail - priyanka.kuma...@dxc.com
DL - ams-leveraged-webadmin-offsh...@dxc.com

DXC Technology






-Original Message-
From: Niranjan Babu Bommu 
Sent: 22 September 2021 04:53
To: Tomcat Users List 
Subject: Re: Tomcat SSL - Issue

Another way you get supported is TLS and the cipher suite.

nmap -sV --script ssl-enum-ciphers -p  
















nmap -sV --script ssl-enum-ciphers -p  



On Tue, Sep 21, 2021 at 5:25 PM Christopher Schultz < 
ch...@christopherschultz.net> wrote:

> Priyanka,
>
> On 9/21/21 13:52, Kumawat, Priyanka wrote:
> > Hello Team ,
> >
> > Please find the error details as below -
> >
> > The site can’t provide a secure connection .
> >
> > xmotam01.phl.com uses an unsupported protocol
> >
> > ERR_SSL_VERSION or CIPHER MISMATCH
> >
> > Unsupported protocol – The client and server don;t support a common
> > protocol version.
>
> Many versions of Java 1.7 do not support TLSv1.2. Try running this
> tool under your Java 1.7 environment for some good information:
>
> https://clicktime.symantec.com/3Cx1tBjB9n6EQyoUQjHJNWU7Vc?u=https%3A%2
> F%2Fgithub.com%2FChristopherSchultz%2Fssltest
>
> -chris
>
> -
> To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org
> For additional commands, e-mail: users-h...@tomcat.apache.org
>
>

--
*Thanks*
*Niranjan*


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RE: Tomcat SSL - Issue

[Kumawat, Priyanka]

Hello Team ,

Please find the error details as below -

The site can't provide a secure connection .
xmotam01.phl.com uses an unsupported protocol

ERR_SSL_VERSION or CIPHER MISMATCH

Unsupported protocol - The client and server don;t support a common protocol 
version.


Thanks & Regards,

Priyanka Kumawat | Middleware Admin
T +91.7879364483
EMail - priyanka.kuma...@dxc.com<mailto:priyanka.kuma...@dxc.com>
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DXC Technology





From: Kumawat, Priyanka
Sent: 21 September 2021 22:50
To: users@tomcat.apache.org
Subject: RE: Tomcat SSL - Issue

Attaching the screenshot again -

[cid:image001.jpg@01D7AF3F.3BF0B470]


Thanks & Regards,

Priyanka Kumawat | Middleware Admin
T +91.7879364483
EMail - priyanka.kuma...@dxc.com<mailto:priyanka.kuma...@dxc.com>
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DXC Technology






From: Kumawat, Priyanka
Sent: 21 September 2021 22:45
To: users@tomcat.apache.org<mailto:users@tomcat.apache.org>
Subject: Tomcat SSL - Issue

Hi Team ,

We are facing Issue while renewing SSL for the Tomcat/Apache application, the 
SSL was renewed and installed using the key tool . After installation when 
checking the https site it is giving error as given on the below screenshot - 
Could you please help us on this issue , is this related with TLS protocol or 
Cipher issue. The TLS using is TLS1.2 , java version - 1.7

[cid:image004.jpg@01D7AF3F.3BF0B470]

Thanks & Regards,

Priyanka Kumawat | Middleware Admin
T +91.7879364483
EMail - priyanka.kuma...@dxc.com<mailto:priyanka.kuma...@dxc.com>
DL - 
ams-leveraged-webadmin-offsh...@dxc.com<mailto:ams-leveraged-webadmin-offsh...@dxc.com>

DXC Technology






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DXC Technology Company or one of its affiliates. It is intended exclusively for 
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is otherwise legally exempt from disclosure. Any unauthorized review, use, 
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RE: Tomcat SSL - Issue

[Kumawat, Priyanka]

Attaching the screenshot again -

[cid:image002.jpg@01D7AF3A.B6F2FA20]


Thanks & Regards,

Priyanka Kumawat | Middleware Admin
T +91.7879364483
EMail - priyanka.kuma...@dxc.com<mailto:priyanka.kuma...@dxc.com>
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DXC Technology






From: Kumawat, Priyanka
Sent: 21 September 2021 22:45
To: users@tomcat.apache.org
Subject: Tomcat SSL - Issue

Hi Team ,

We are facing Issue while renewing SSL for the Tomcat/Apache application, the 
SSL was renewed and installed using the key tool . After installation when 
checking the https site it is giving error as given on the below screenshot - 
Could you please help us on this issue , is this related with TLS protocol or 
Cipher issue. The TLS using is TLS1.2 , java version - 1.7

[cid:image003.jpg@01D7AF3A.B6F2FA20]

Thanks & Regards,

Priyanka Kumawat | Middleware Admin
T +91.7879364483
EMail - priyanka.kuma...@dxc.com<mailto:priyanka.kuma...@dxc.com>
DL - 
ams-leveraged-webadmin-offsh...@dxc.com<mailto:ams-leveraged-webadmin-offsh...@dxc.com>

DXC Technology






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DXC Technology Company or one of its affiliates. It is intended exclusively for 
the addressee. The substance of this message, along with any attachments, may 
contain proprietary, confidential or privileged information or information that 
is otherwise legally exempt from disclosure. Any unauthorized review, use, 
disclosure or distribution is prohibited. If you are not the intended recipient 
of this message, you are not authorized to read, print, retain, copy or 
disseminate any part of this message. If you have received this message in 
error, please destroy and delete all copies and notify the sender by return 
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expressly permitting the use of e-mail for such purpose.

Tomcat SSL - Issue

[Kumawat, Priyanka]

Hi Team ,

We are facing Issue while renewing SSL for the Tomcat/Apache application, the 
SSL was renewed and installed using the key tool . After installation when 
checking the https site it is giving error as given on the below screenshot - 
Could you please help us on this issue , is this related with TLS protocol or 
Cipher issue. The TLS using is TLS1.2 , java version - 1.7

[cid:image001.jpg@01D7AF3A.03014DA0]

Thanks & Regards,

Priyanka Kumawat | Middleware Admin
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