Re: [EXT] Datadog _ JMX Integration facing connection issues.

[Bodavula, Sai Vamsi Mohan Krishna (TR Technology)]

Hello chris,

thanks for adding a point and I may have missed your email.

below is some of the points, which showed me how tomcat is being started in my 
application.



  *     Line  19: INFO  [main][2023-12-27 09:00:38,983] - 
org.springframework.boot.web.embedded.tomcat.TomcatWebServer.initialize(TomcatWebServer.java:108)
 - Tomcat initialized with port(s): 9109 (http) 10109 (http)

  Line  21: INFO  [main][2023-12-27 09:00:39,008] - 
org.apache.juli.logging.DirectJDKLog.log(DirectJDKLog.java:173) - Starting 
service [Tomcat]
  Line  22: INFO  [main][2023-12-27 09:00:39,009] - 
org.apache.juli.logging.DirectJDKLog.log(DirectJDKLog.java:173) - Starting 
Servlet engine: [Apache Tomcat/9.0.75]
  Line 134: INFO  
[lab1workflow4scalsvc2zus1][version:1.7.99-alpha.1130][traceId:][spanId:][parentSpanId:][spanExportable:][main][2023-12-27
 09:01:01,057]- 
org.springframework.boot.web.embedded.tomcat.TomcatWebServer.start:Line 220 - 
Tomcat started on port(s): 9109 (http) 10109 (http) with context path 
'/lab1workflow4scalsvc2zus1

 *
to launch tomcat, we are not using any command here, I am trying to build my 
code to an image, making some helm chart out of it, using helm chart to install 
in my AKS containers.



Thanks & Regards,
--

SAI VAMSI .B
Senior DevOps Engineer



From: Christopher Schultz 
Sent: Thursday, December 14, 2023 20:33
To: users@tomcat.apache.org 
Subject: Re: [EXT] Datadog _ JMX Integration facing connection issues.

Sai Vamsi,

On 12/14/23 00:26, Bodavula, Sai Vamsi Mohan Krishna (TR Technology) wrote:
> Hai Chuck.,
> Thanks for jumping in.,
>
> thats what my concern is.
> as previously added by Chris, I have added my annotations in Catalina_opts ., 
> Which is preferred by Java_Process for adding the annotations., But Here by 
> using catalina_opts., they are not reflecting.
>
> where as adding them in java-tool-options., Makes a process with Tomcat and a 
> process that listens on the mentioned port., but throws port is already 
> binded., as its an environment variable, its already looking for a port, 
> where as its already created., throws binding error.
>
> Yesterday ., I thought of adding both the formats, adding java_tool_opts and 
> Catalina opts., inorder to utilize the previous thigns., as below
>
> - name: JAVA_TOOL_OPTIONS
>value: {{ .Values.deployment.javaVMMemoryArgument }}
>
>  - name: POD_IP
>valueFrom:
>  fieldRef:
>fieldPath: status.podIP
>  - name: CATALINA_OPTS
>value: >-
>  -Dcom.sun.management.jmxremote
>  -Dcom.sun.management.jmxremote.port=49151
>  -Djava.rmi.server.hostname=$POD_IP
>  -Dcom.sun.management.jmxremote.authenticate=false
>  -Dcom.sun.management.jmxremote.ssl=false
>  -Dcom.sun.management.jmxremote.local.only=false
>  -Xms2048M -Xmx10240M
>
> Java_tool_opts are as : -XX:+UseStringDeduplication -XX:+UseContainerSupport 
> -Dcom.sun.management.jmxremote
>
> just added to initiate a JMX process.,
>
> but nothing is working out.,
> I would like to request you for further inputs

How are you launching Tomcat itself? Are you using catalina.sh or
something similar, or do you use some kind of embedded-launch?

It sounds to me like using CATALINA_OPTS is causing Tomcat not to start
at all. If you use JAVA_TOOL_OPTIONS (which Tomcat ignores), Tomcat will
start but won't initialize JMX in the way you want it to.

The solution is to look at the log files that are produced when Tomcat
launches (or fails to launch). Are you able to observe those?

It would be great to see the exact command Helm (or whatever) uses to
attempt to launch Tomcat, and then the stdout/stderr of that attempt.

The diagnostic messages shown when a JVM refuses to start are usually
pretty good. Same thing with Tomcat, though Tomcat usually starts even
if e.g. no connectors are successfully started because there is no
actual requirement for Tomcat to listen to any ports.

-chris

> 
> From: Chuck Caldarale 
> Sent: Thursday, December 14, 2023 00:28
> To: Tomcat Users List 
> Subject: Re: [EXT] Datadog _ JMX Integration facing connection issues.
>
>
>> On Dec 13, 2023, at 10:36, Bodavula, Sai Vamsi Mohan Krishna (TR Technology) 
>>  wrote:
>>
>> as you just asked .,
>> I do have a process with Catalina.
>>
>> root@lab1workflow4scalsvc2zus1-deployment-659dd79df7-wg59g:/# netstat -tulpn
>> Active Internet connections (only servers)
>> Proto Recv-Q Send-Q Local Address   Foreign Address State
>>PID/Program name
>> tcp6   0  0 :::34753:::*

Re: [EXT] Datadog _ JMX Integration facing connection issues.

[Bodavula, Sai Vamsi Mohan Krishna (TR Technology)]

by chance any findings on this.,

Thanks & Regards,
--

SAI VAMSI .B
Senior DevOps Engineer


From: Bodavula, Sai Vamsi Mohan Krishna (TR Technology) 

Sent: Thursday, December 14, 2023 10:56
To: Tomcat Users List 
Subject: Re: [EXT] Datadog _ JMX Integration facing connection issues.

Hai Chuck.,
Thanks for jumping in.,

thats what my concern is.
as previously added by Chris, I have added my annotations in Catalina_opts ., 
Which is preferred by Java_Process for adding the annotations., But Here by 
using catalina_opts., they are not reflecting.

where as adding them in java-tool-options., Makes a process with Tomcat and a 
process that listens on the mentioned port., but throws port is already 
binded., as its an environment variable, its already looking for a port, where 
as its already created., throws binding error.

Yesterday ., I thought of adding both the formats, adding java_tool_opts and 
Catalina opts., inorder to utilize the previous thigns., as below

- name: JAVA_TOOL_OPTIONS
  value: {{ .Values.deployment.javaVMMemoryArgument }}

- name: POD_IP
  valueFrom:
fieldRef:
  fieldPath: status.podIP
- name: CATALINA_OPTS
  value: >-
-Dcom.sun.management.jmxremote
-Dcom.sun.management.jmxremote.port=49151
-Djava.rmi.server.hostname=$POD_IP
-Dcom.sun.management.jmxremote.authenticate=false
-Dcom.sun.management.jmxremote.ssl=false
-Dcom.sun.management.jmxremote.local.only=false
-Xms2048M -Xmx10240M

Java_tool_opts are as : -XX:+UseStringDeduplication -XX:+UseContainerSupport 
-Dcom.sun.management.jmxremote

just added to initiate a JMX process.,

but nothing is working out.,
I would like to request you for further inputs


cc :chris

Thanks & Regards,
--

SAI VAMSI .B
Senior DevOps Engineer


From: Chuck Caldarale 
Sent: Thursday, December 14, 2023 00:28
To: Tomcat Users List 
Subject: Re: [EXT] Datadog _ JMX Integration facing connection issues.


> On Dec 13, 2023, at 10:36, Bodavula, Sai Vamsi Mohan Krishna (TR Technology) 
>  wrote:
>
> as you just asked .,
> I do have a process with Catalina.
>
> root@lab1workflow4scalsvc2zus1-deployment-659dd79df7-wg59g:/# netstat -tulpn
> Active Internet connections (only servers)
> Proto Recv-Q Send-Q Local Address   Foreign Address State 
>   PID/Program name
> tcp6   0  0 :::34753:::*LISTEN
>   1/java
> tcp6   0  0 :::9109 :::*LISTEN
>   1/java
> tcp6   0  0 :::10109:::*LISTEN
>   1/java
> root@lab1workflow4scalsvc2zus1-deployment-659dd79df7-wg59g:/# ^C
> root@lab1workflow4scalsvc2zus1-deployment-659dd79df7-wg59g:/# ps aux | grep 
> catalina
> root 744  0.0  0.0   6460   680 pts/1S+   11:47   0:00 grep 
> --color=auto catalina
> root@lab1workflow4scalsvc2zus1-deployment-659dd79df7-wg59g:/#


That shows only the grep process looking for catalina, not anything using 
catalina. If Tomcat were actually running, you’d see something like this 
(slightly reformatted for clarity):

chuck@Chuck-MacBookPro apache-tomcat-9.0.83 > ps aux | grep catalina
chuck16879   0.0  0.0 408626896   1376 s000  S+   12:53PM   0:00.00 
grep catalina
chuck16874   0.0  0.9 415316912 153296 s000  S12:53PM   0:02.66 
/Library/Java/JavaVirtualMachines/temurin-21.jdk/Contents/Home/bin/java
-Djava.util.logging.config.file=/Users/chuck/Downloads/apache-tomcat-9.0.83/conf/logging.properties
-Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager
-Djdk.tls.ephemeralDHKeySize=2048
-Djava.protocol.handler.pkgs=org.apache.catalina.webresources
-Dorg.apache.catalina.security.SecurityListener.UMASK=0027
-Dtest_port=9090
-Dignore.endorsed.dirs=
-classpath
/Users/chuck/Downloads/apache-tomcat-9.0.83/bin/bootstrap.jar:/Users/chuck/Downloads/apache-tomcat-9.0.83/bin/tomcat-juli.jar
-Dcatalina.base=/Users/chuck/Downloads/apache-tomcat-9.0.83
-Dcatalina.home=/Users/chuck/Downloads/apache-tomcat-9.0.83
-Djava.io.tmpdir=/Users/chuck/Downloads/apache-tomcat-9.0.83/temp 
org.apache.catalina.startup.Bootstrap
start


  - Chuck

Re: [EXT] Datadog _ JMX Integration facing connection issues.

[Bodavula, Sai Vamsi Mohan Krishna (TR Technology)]

Hai Chuck.,
Thanks for jumping in.,

thats what my concern is.
as previously added by Chris, I have added my annotations in Catalina_opts ., 
Which is preferred by Java_Process for adding the annotations., But Here by 
using catalina_opts., they are not reflecting.

where as adding them in java-tool-options., Makes a process with Tomcat and a 
process that listens on the mentioned port., but throws port is already 
binded., as its an environment variable, its already looking for a port, where 
as its already created., throws binding error.

Yesterday ., I thought of adding both the formats, adding java_tool_opts and 
Catalina opts., inorder to utilize the previous thigns., as below

- name: JAVA_TOOL_OPTIONS
  value: {{ .Values.deployment.javaVMMemoryArgument }}

- name: POD_IP
  valueFrom:
fieldRef:
  fieldPath: status.podIP
- name: CATALINA_OPTS
  value: >-
-Dcom.sun.management.jmxremote
-Dcom.sun.management.jmxremote.port=49151
-Djava.rmi.server.hostname=$POD_IP
-Dcom.sun.management.jmxremote.authenticate=false
-Dcom.sun.management.jmxremote.ssl=false
-Dcom.sun.management.jmxremote.local.only=false
-Xms2048M -Xmx10240M

Java_tool_opts are as : -XX:+UseStringDeduplication -XX:+UseContainerSupport 
-Dcom.sun.management.jmxremote

just added to initiate a JMX process.,

but nothing is working out.,
I would like to request you for further inputs


cc :chris

Thanks & Regards,
--

SAI VAMSI .B
Senior DevOps Engineer


From: Chuck Caldarale 
Sent: Thursday, December 14, 2023 00:28
To: Tomcat Users List 
Subject: Re: [EXT] Datadog _ JMX Integration facing connection issues.


> On Dec 13, 2023, at 10:36, Bodavula, Sai Vamsi Mohan Krishna (TR Technology) 
>  wrote:
>
> as you just asked .,
> I do have a process with Catalina.
>
> root@lab1workflow4scalsvc2zus1-deployment-659dd79df7-wg59g:/# netstat -tulpn
> Active Internet connections (only servers)
> Proto Recv-Q Send-Q Local Address   Foreign Address State 
>   PID/Program name
> tcp6   0  0 :::34753:::*LISTEN
>   1/java
> tcp6   0  0 :::9109 :::*LISTEN
>   1/java
> tcp6   0  0 :::10109:::*LISTEN
>   1/java
> root@lab1workflow4scalsvc2zus1-deployment-659dd79df7-wg59g:/# ^C
> root@lab1workflow4scalsvc2zus1-deployment-659dd79df7-wg59g:/# ps aux | grep 
> catalina
> root 744  0.0  0.0   6460   680 pts/1S+   11:47   0:00 grep 
> --color=auto catalina
> root@lab1workflow4scalsvc2zus1-deployment-659dd79df7-wg59g:/#


That shows only the grep process looking for catalina, not anything using 
catalina. If Tomcat were actually running, you’d see something like this 
(slightly reformatted for clarity):

chuck@Chuck-MacBookPro apache-tomcat-9.0.83 > ps aux | grep catalina
chuck16879   0.0  0.0 408626896   1376 s000  S+   12:53PM   0:00.00 
grep catalina
chuck16874   0.0  0.9 415316912 153296 s000  S12:53PM   0:02.66 
/Library/Java/JavaVirtualMachines/temurin-21.jdk/Contents/Home/bin/java
-Djava.util.logging.config.file=/Users/chuck/Downloads/apache-tomcat-9.0.83/conf/logging.properties
-Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager
-Djdk.tls.ephemeralDHKeySize=2048
-Djava.protocol.handler.pkgs=org.apache.catalina.webresources
-Dorg.apache.catalina.security.SecurityListener.UMASK=0027
-Dtest_port=9090
-Dignore.endorsed.dirs=
-classpath
/Users/chuck/Downloads/apache-tomcat-9.0.83/bin/bootstrap.jar:/Users/chuck/Downloads/apache-tomcat-9.0.83/bin/tomcat-juli.jar
-Dcatalina.base=/Users/chuck/Downloads/apache-tomcat-9.0.83
-Dcatalina.home=/Users/chuck/Downloads/apache-tomcat-9.0.83
-Djava.io.tmpdir=/Users/chuck/Downloads/apache-tomcat-9.0.83/temp 
org.apache.catalina.startup.Bootstrap
start


  - Chuck

Re: [EXT] Re: Datadog _ JMX Integration facing connection issues.

[Bodavula, Sai Vamsi Mohan Krishna (TR Technology)]

Hello Christopher.

as you just asked .,
I do have a process with Catalina.

root@lab1workflow4scalsvc2zus1-deployment-659dd79df7-wg59g:/# netstat -tulpn
Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address   Foreign Address State   
PID/Program name
tcp6   0  0 :::34753:::*LISTEN  
1/java
tcp6   0  0 :::9109 :::*LISTEN  
1/java
tcp6   0  0 :::10109:::*LISTEN  
1/java
root@lab1workflow4scalsvc2zus1-deployment-659dd79df7-wg59g:/# ^C
root@lab1workflow4scalsvc2zus1-deployment-659dd79df7-wg59g:/# ps aux | grep 
catalina
root 744  0.0  0.0   6460   680 pts/1S+   11:47   0:00 grep 
--color=auto catalina
root@lab1workflow4scalsvc2zus1-deployment-659dd79df7-wg59g:/#




Thanks & Regards,
--

SAI VAMSI .B
Senior DevOps Engineer


From: Christopher Schultz 
Sent: Saturday, December 9, 2023 03:27
To: users@tomcat.apache.org 
Subject: Re: [EXT] Re: Datadog _ JMX Integration facing connection issues.

Sai Vamsi,

On 12/8/23 00:43, Bodavula, Sai Vamsi Mohan Krishna (TR Technology) wrote:
> Hey Christopher.,
> Greetings of the day.
>
>
>1.
> Might I have confused you with posting the arguments directly ., Yeah as i 
> just shared you the annotations with comments , to state you the stuff i am 
> using., But in my deployment ., I am using them in catalina opts., and trying 
> to call them from values.yaml., which looks like this :
>
>   javaVMMemoryArgument: "-Xms2048M -Xmx10240M -XX:+UseStringDeduplication 
> -XX:+UseContainerSupport -Dcom.sun.management.jmxremote 
> -Dcom.sun.management.jmxremote.authenticate=false 
> -Dcom.sun.management.jmxremote.ssl=false 
> -Dcom.sun.management.jmxremote.local.only=false 
> -Dcom.sun.management.jmxremote.port=49151 
> -Djava.rmi.server.hostname=lab1workflow4scalsvc2zus1-service.hqm-lab1.svc.cluster.local
>  "
>
>   and I am referring the word "javaVMMemoryArgument" from values yaml and 
> calling it in Catalina_opts, so that it would fetch all these 
> annotations as mentioned above, during the deployment. This is my deployment 
> part., where I am referring to the above values from values.yaml
> env:
>  - name: CATALINA_OPTS
>value: {{ .Values.deployment.javaVMMemoryArgument }}
>
>
>
>
>
>1.
> Coming to Process., I have searched for Java process that listens on my 
> mentioned port ie., 49151, but none of the process is listening to that 
> process.
>
> I even tried with
> root@lab1workflow4scalsvc2zus1-deployment-fd64ff775-cwzn6:/# netstat -tulpn | 
> grep LISTEN
> tcp6   0  0 :::10109:::*LISTEN
>   1/java
> tcp6   0  0 :::9109 :::*LISTEN
>   1/java
> root@lab1workflow4scalsvc2zus1-deployment-fd64ff775-cwzn6:/# netstat -tulpn | 
> more
> Active Internet connections (only servers)
> Proto Recv-Q Send-Q Local Address   Foreign Address State 
>   PID/Program name
> tcp6   0  0 :::10109:::*LISTEN
>   1/java
> tcp6   0  0 :::9109 :::*LISTEN
>   1/java
> root@lab1workflow4scalsvc2zus1-deployment-fd64ff775-cwzn6:/# netstat -tulpn | 
> grep ':443'netstat -tulpn | grep ':443'^C
> root@lab1workflow4scalsvc2zus1-deployment-fd64ff775-cwzn6:/# netstat -tulpn | 
> grep ':49151'
> root@lab1workflow4scalsvc2zus1-deployment-fd64ff775-cwzn6:/#
>
> which confirms me that , any of the process is being listening on the port 
> 49151.
>
>2.
> I would like to request you to suggest me with a better approach ., where i 
> am missing anything in this process!

Good question. What is pid #1? Do those port numbers make any sense for
your Tomcat-based service?

Is Tomcat even running? Try 'ps aux | grep catalina' to see if there are
any. Are you launching Tomcat using catalina.sh / startup.sh or similar?
Or are you running Tomcat "embedded" within your own application?

-chris

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Re: [EXT] Re: Datadog _ JMX Integration facing connection issues.

[Bodavula, Sai Vamsi Mohan Krishna (TR Technology)]

Hey Christopher.,
Greetings of the day.


  1.
Might I have confused you with posting the arguments directly ., Yeah as i just 
shared you the annotations with comments , to state you the stuff i am using., 
But in my deployment ., I am using them in catalina opts., and trying to call 
them from values.yaml., which looks like this :

 javaVMMemoryArgument: "-Xms2048M -Xmx10240M -XX:+UseStringDeduplication 
-XX:+UseContainerSupport -Dcom.sun.management.jmxremote 
-Dcom.sun.management.jmxremote.authenticate=false 
-Dcom.sun.management.jmxremote.ssl=false 
-Dcom.sun.management.jmxremote.local.only=false 
-Dcom.sun.management.jmxremote.port=49151 
-Djava.rmi.server.hostname=lab1workflow4scalsvc2zus1-service.hqm-lab1.svc.cluster.local
 "

  and I am referring the word "javaVMMemoryArgument" from values yaml and 
calling it in Catalina_opts, so that it would fetch all these 
annotations as mentioned above, during the deployment. This is my deployment 
part., where I am referring to the above values from values.yaml
env:
- name: CATALINA_OPTS
  value: {{ .Values.deployment.javaVMMemoryArgument }}





  1.
Coming to Process., I have searched for Java process that listens on my 
mentioned port ie., 49151, but none of the process is listening to that process.

I even tried with
root@lab1workflow4scalsvc2zus1-deployment-fd64ff775-cwzn6:/# netstat -tulpn | 
grep LISTEN
tcp6   0  0 :::10109:::*LISTEN  
1/java
tcp6   0  0 :::9109 :::*LISTEN  
1/java
root@lab1workflow4scalsvc2zus1-deployment-fd64ff775-cwzn6:/# netstat -tulpn | 
more
Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address   Foreign Address State   
PID/Program name
tcp6   0  0 :::10109:::*LISTEN  
1/java
tcp6   0  0 :::9109 :::*LISTEN  
1/java
root@lab1workflow4scalsvc2zus1-deployment-fd64ff775-cwzn6:/# netstat -tulpn | 
grep ':443'netstat -tulpn | grep ':443'^C
root@lab1workflow4scalsvc2zus1-deployment-fd64ff775-cwzn6:/# netstat -tulpn | 
grep ':49151'
root@lab1workflow4scalsvc2zus1-deployment-fd64ff775-cwzn6:/#

which confirms me that , any of the process is being listening on the port 
49151.

  2.
I would like to request you to suggest me with a better approach ., where i am 
missing anything in this process!


 



Thanks & Regards,
--

SAI VAMSI .B
Senior DevOps Engineer



From: Christopher Schultz 
Sent: Thursday, December 7, 2023 23:33
To: users@tomcat.apache.org 
Subject: Re: [EXT] Re: Datadog _ JMX Integration facing connection issues.

Sai Vamsi,

On 12/6/23 11:04, Bodavula, Sai Vamsi Mohan Krishna (TR Technology) wrote:
> Hello Christopher.
> Thanks for the response!
>
> Let me walk you through the Environment.,
> I have a cluster and I am installing multiple microservices in the cluster. 
> And one of the microservices I am integrating the JMX on of the 
> microservices.,
> and the mentioned IP of the pod is being changed dynamically after each 
> deployment .
>
> Here are the annotations that I am using in my deployment:
> - name: JAVA_OPTS
>  #   value: >-
>  # -Dcom.sun.management.jmxremote
>  # -Dcom.sun.management.jmxremote.authenticate=false
>  # -Dcom.sun.management.jmxremote.ssl=false
>  # -Dcom.sun.management.jmxremote.local.only=false
>  # -Dcom.sun.management.jmxremote.port=49151
>  # -Dcom.sun.management.jmxremote.rmi.port=49151
>  # 
> -Djava.rmi.server.hostname=lab1workflow4scalsvc2zus1-service.hqm-lab1.svc.cluster.local

If that's YAML, then all of the above is comments. Those lines do nothing.

> as i said , I have implemented these in three scenarios., Catalina_opts / 
> Java_opts / Java_Tool_opts

You should definitely use CATALINA_OPTS and none of the other things you
mention, here. Specifically because of the port issues. JAVA_TOOL_OPTS
don't affect Tomcat at all are useless for you. JAVA_OPTS affects all
Tomcat-related scripts, and you'll find that even "shutdown" causes an
error... because it's trying to initialize JMX when shutting-down, which
is again useless.

> I have tried deploying catalina_ots and Java_opts as in the case of above 
> mentioned.
> I also tried other way, mentioning all these in the values.yaml file ( I am 
> using Helm Deployment to upgrade my deployments) and referring these 
> annotations as , and mentioning them in the Value
> env:
>  - name: CATALINA_OPTS
>value: {{ .Values.deployment.javaVMMemoryArgument }}
>
>
> getting netstat output from my pod:
> root@lab1workflow4scalsvc2zus1-deploymen

Re: [EXT] Re: Datadog _ JMX Integration facing connection issues.

[Bodavula, Sai Vamsi Mohan Krishna (TR Technology)]

Hello Christopher.
Thanks for the response!

Let me walk you through the Environment.,
I have a cluster and I am installing multiple microservices in the cluster. And 
one of the microservices I am integrating the JMX on of the microservices.,
and the mentioned IP of the pod is being changed dynamically after each 
deployment .

Here are the annotations that I am using in my deployment:
- name: JAVA_OPTS
#   value: >-
# -Dcom.sun.management.jmxremote
# -Dcom.sun.management.jmxremote.authenticate=false
# -Dcom.sun.management.jmxremote.ssl=false
# -Dcom.sun.management.jmxremote.local.only=false
# -Dcom.sun.management.jmxremote.port=49151
# -Dcom.sun.management.jmxremote.rmi.port=49151
# 
-Djava.rmi.server.hostname=lab1workflow4scalsvc2zus1-service.hqm-lab1.svc.cluster.local

as i said , I have implemented these in three scenarios., Catalina_opts / 
Java_opts / Java_Tool_opts

I have tried deploying catalina_ots and Java_opts as in the case of above 
mentioned.
I also tried other way, mentioning all these in the values.yaml file ( I am 
using Helm Deployment to upgrade my deployments) and referring these 
annotations as , and mentioning them in the Value
env:
- name: CATALINA_OPTS
  value: {{ .Values.deployment.javaVMMemoryArgument }}


getting netstat output from my pod:
root@lab1workflow4scalsvc2zus1-deployment-fd64ff775-cwzn6:/# netstat -tulpn
Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address   Foreign Address State   
PID/Program name
tcp6   0  0 :::10109:::*LISTEN  
1/java
tcp6   0  0 :::9109 :::*LISTEN  
1/java

root@lab1workflow4scalsvc2zus1-deployment-fd64ff775-cwzn6:/# ps aux | grep 
tomcat
root 563  0.0  0.0   6328   748 pts/0S+   15:55   0:00 grep 
--color=auto tomcat

right now , I am passing my args with Catalina_opts in my deployment and I am 
not able to get any tomcat process pid while i check with netstat -apn , I can 
see multiple Java Process but not single tomcat process

My Jmx port is being configured as a service., so that it could be bounded with 
Tcp protocol externally to the container., and allow all tcp connections.

Hope I am able to provide you some detailed information.,
Please let me know., if I can help you with anything in further!

Thanks & Regards,
--

SAI VAMSI .B
Senior DevOps Engineer



From: Christopher Schultz 
Sent: Wednesday, December 6, 2023 20:40
To: users@tomcat.apache.org 
Subject: Re: [EXT] Re: Datadog _ JMX Integration facing connection issues.

Sai Vamsi,

On 12/5/23 08:57, Bodavula, Sai Vamsi Mohan Krishna (TR Technology) wrote:
> I have added my annotations in Catalina_opts ., and I am not able to see any 
> Java Process with the JMX, neither the port is being listened.
> It came back to previous stage where Annotations are not on the JVM .,
> Came back to previous stage, where connection refused error.,  as follows.
>
> Could not initialize instance: tomcat-10.75.12.136-49151:
> java.util.concurrent.ExecutionException: java.io.IOException: Failed to 
> retrieve RMIServer stub: javax.naming.ServiceUnavailableException [Root 
> exception is java.rmi.ConnectException: Connection refused to host: 
> 10.75.12.136; nested exception is:
>  java.net.ConnectException: Connection refused (Connection refused)]
>  at 
> java.base/java.util.concurrent.FutureTask.report(FutureTask.java:122)
>  at java.base/java.util.concurrent.FutureTask.get(FutureTask.java:191)
>  at org.datadog.jmxfetch.App.processRecoveryResults(App.java:953)
>  at org.datadog.jmxfetch.App$5.invoke(App.java:927)
>  at 
> org.datadog.jmxfetch.tasks.TaskProcessor.processTasks(TaskProcessor.java:63)
>  at org.datadog.jmxfetch.App.init(App.java:917)
>  at org.datadog.jmxfetch.App.start(App.java:413)
>  at org.datadog.jmxfetch.App.run(App.java:173)
>  at org.datadog.jmxfetch.JmxFetch.main(JmxFetch.java:57)
>  at org.datadog.jmxfetch.App.main(App.java:91)

Right: the DataDog server is unable to connect to your appication via
JMX. I'm assuming that 10.75.12.136 is the IP where Tomcat is running,
and that DataDog isn't running on that server. It's on some other IP, right?

> Here we were not able to find any process , to confirm that atleast
> port is being listened to.
What is your exact CATALINA_OPTS value (masking any secrets that may be
in there).

Is Tomcat definitely running? Can you prove that with a "ps" listing,
for example? That will also confirm it's running with the proper
CATALINA_OPTS settings.

Can you run "netstat" and show all of the ports your Tomcat process is
listening t

Re: [EXT] Re: Datadog _ JMX Integration facing connection issues.

[Bodavula, Sai Vamsi Mohan Krishna (TR Technology)]

As you suggested.,
I have added my annotations in Catalina_opts ., and I am not able to see any 
Java Process with the JMX, neither the port is being listened.
It came back to previous stage where Annotations are not on the JVM .,
Came back to previous stage, where connection refused error.,  as follows.

Could not initialize instance: tomcat-10.75.12.136-49151:
java.util.concurrent.ExecutionException: java.io.IOException: Failed to 
retrieve RMIServer stub: javax.naming.ServiceUnavailableException [Root 
exception is java.rmi.ConnectException: Connection refused to host: 
10.75.12.136; nested exception is:
java.net.ConnectException: Connection refused (Connection refused)]
at java.base/java.util.concurrent.FutureTask.report(FutureTask.java:122)
at java.base/java.util.concurrent.FutureTask.get(FutureTask.java:191)
at org.datadog.jmxfetch.App.processRecoveryResults(App.java:953)
at org.datadog.jmxfetch.App$5.invoke(App.java:927)
at 
org.datadog.jmxfetch.tasks.TaskProcessor.processTasks(TaskProcessor.java:63)
at org.datadog.jmxfetch.App.init(App.java:917)
at org.datadog.jmxfetch.App.start(App.java:413)
at org.datadog.jmxfetch.App.run(App.java:173)
at org.datadog.jmxfetch.JmxFetch.main(JmxFetch.java:57)
at org.datadog.jmxfetch.App.main(App.java:91)
Caused by: java.io.IOException: Failed to retrieve RMIServer stub: 
javax.naming.ServiceUnavailableException [Root exception is 
java.rmi.ConnectException: Connection refused to host: 10.75.12.136; nested 
exception is:
java.net.ConnectException: Connection refused (Connection refused)]
at 
java.management.rmi/javax.management.remote.rmi.RMIConnector.connect(RMIConnector.java:370)
at 
java.management/javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:270)
at org.datadog.jmxfetch.Connection.createConnection(Connection.java:63)
at 
org.datadog.jmxfetch.RemoteConnection.(RemoteConnection.java:101)
at 
org.datadog.jmxfetch.ConnectionFactory.createConnection(ConnectionFactory.java:38)
at org.datadog.jmxfetch.Instance.getConnection(Instance.java:405)
at org.datadog.jmxfetch.Instance.init(Instance.java:418)
at 
org.datadog.jmxfetch.InstanceInitializingTask.call(InstanceInitializingTask.java:15)
at 
org.datadog.jmxfetch.InstanceInitializingTask.call(InstanceInitializingTask.java:3)
at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
at java.base/java.lang.Thread.run(Thread.java:829)
Caused by: javax.naming.ServiceUnavailableException [Root exception is 
java.rmi.ConnectException: Connection refused to host: 10.75.12.136; nested 
exception is:
java.net.ConnectException: Connection refused (Connection refused)]
at 
jdk.naming.rmi/com.sun.jndi.rmi.registry.RegistryContext.lookup(RegistryContext.java:137)
at 
java.naming/com.sun.jndi.toolkit.url.GenericURLContext.lookup(GenericURLContext.java:220)
at 
java.naming/javax.naming.InitialContext.lookup(InitialContext.java:409)
at 
java.management.rmi/javax.management.remote.rmi.RMIConnector.findRMIServerJNDI(RMIConnector.java:1839)
at 
java.management.rmi/javax.management.remote.rmi.RMIConnector.findRMIServer(RMIConnector.java:1813)
at 
java.management.rmi/javax.management.remote.rmi.RMIConnector.connect(RMIConnector.java:302)
... 12 more
Caused by: java.rmi.ConnectException: Connection refused to host: 10.75.12.136; 
nested exception is:
java.net.ConnectException: Connection refused (Connection refused)
at 
java.rmi/sun.rmi.transport.tcp.TCPEndpoint.newSocket(TCPEndpoint.java:623)
at 
java.rmi/sun.rmi.transport.tcp.TCPChannel.createConnection(TCPChannel.java:209)
at 
java.rmi/sun.rmi.transport.tcp.TCPChannel.newConnection(TCPChannel.java:196)
at java.rmi/sun.rmi.server.UnicastRef.newCall(UnicastRef.java:343)
at 
java.rmi/sun.rmi.registry.RegistryImpl_Stub.lookup(RegistryImpl_Stub.java:116)
at 
jdk.naming.rmi/com.sun.jndi.rmi.registry.RegistryContext.lookup(RegistryContext.java:133)
... 17 more

Here we were not able to find any process , to confirm that atleast port is 
being listened to.
Thanks & Regards,
--

SAI VAMSI .B
Senior DevOps Engineer


From: Christopher Schultz 
Sent: Tuesday, December 5, 2023 19:19
To: users@tomcat.apache.org 
Subject: Re: [EXT] Re: Datadog _ JMX Integration facing connection issues.

Sai Vamsa,

On 12/5/23 01:25, Bodavula, Sai Vamsi Mohan Krishna (TR Technology) wrote:
> Thanks for the response..
>
> as you suggested., I tried adding my annotations in CATALINA_OPTS., Instead 
> of Java_Opts and J

Re: [EXT] Re: Datadog _ JMX Integration facing connection issues.

[Bodavula, Sai Vamsi Mohan Krishna (TR Technology)]

Hey Thomas,
Thanks for the response.

Yeah., I am trying to add Heap size parameters to the JVM using the 
annotations.,

DO you smell anything wrong in this!?


Thanks & Regards,
--

SAI VAMSI .B
Senior DevOps Engineer


From: Thomas Meyer 
Sent: Tuesday, December 5, 2023 00:03
To: Tomcat Users List ; Christopher Schultz 
; users@tomcat.apache.org 

Subject: Re: [EXT] Re: Datadog _ JMX Integration facing connection issues.

Hi,

Also newer jvm do have XX:+UseContainerSupport set as default, also when using 
XX:+UseContainerSupport setting -Xms and -Xmx do not really make sense at all, 
you either want the JVM to deduce the max heap size from the memory cgroup or 
not

Mfg
Thomas

Am 4. Dezember 2023 18:52:13 MEZ schrieb Christopher Schultz 
:
>Sai Vamsi,
>
>On 12/4/23 03:53, Bodavula, Sai Vamsi Mohan Krishna (TR Technology) wrote:
>> Firstly thanks for adding a point me in asking me to check, if the 
>> annotations are reflecting in the Java process, which opened me a door to 
>> add the concerned annotations in correct place., by adding in 
>> java_tool_options in stead of Java_opts.
>
>You will probably want to use CATALINA_OPTS instead of any of the other ones. 
>JAVA_TOOL_OPTS isn't an environment variable regognized by Tomcat. You 
>certainly don't want to use JAVA_OPTS, because Tomcat uses JAVA_OPTS any time 
>it invokes a JVM. For example, running bind/digest.sh doesn't need to have the 
>JMX subsystem starting-up and trying to grab a port.
>
>JAVA_TOOL_OPTS is an environment variable used by JVM-launching processes, 
>like jps for example...
>
>> yeah they are reflecting and creating a Java Process.
>> but I am facing a problem here., while i am checking JSP, Thats :  the port 
>> i am using here to enable JMX is been opening a process with the mentioned 
>> port and at the same time shows port is being used.:
>>
>> root@lab1workflow4scalsvc2zus1-deployment-577d856494-ftb22:/# jps
>> Picked up JAVA_TOOL_OPTIONS: -Xms2048M -Xmx10240M 
>> -XX:+UseStringDeduplication -XX:+UseContainerSupport 
>> -Dcom.sun.management.jmxremote 
>> -Dcom.sun.management.jmxremote.authenticate=false 
>> -Dcom.sun.management.jmxremote.ssl=false 
>> -Dcom.sun.management.jmxremote.local.only=false 
>> -Dcom.sun.management.jmxremote.port=49151 
>> -Djava.rmi.server.hostname=tomcat.default.svc.cluster.local 
>> -javaagent:/datadog-lib/dd-java-agent.jar 
>> -XX:OnError=/datadog-lib/continuousprofiler/tmp/dd_crash_uploader.sh 
>> -XX:ErrorFile=/datadog-lib/continuousprofiler/tmp/hs_err_pid_%p.log
>> Error: Exception thrown by the agent : java.rmi.server.ExportException: Port 
>> already in use: 49151; nested exception is:
>>  java.net.BindException: Address already in use (Bind failed)
>
>Yes: you have set JAVA_TOOL_OPTS and then run jps. jps is trying to bind to 
>your port which is aready bound by your Tomcat process.
>
>The solution is to use only CATALINA_OPTS to set these options.
>
>-chris
>
>-
>To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org
>For additional commands, e-mail: users-h...@tomcat.apache.org
>

--
Diese Nachricht wurde von meinem Android-Gerät mit K-9 Mail gesendet.

Re: [EXT] Re: Datadog _ JMX Integration facing connection issues.

[Bodavula, Sai Vamsi Mohan Krishna (TR Technology)]

Hello Chris.

Thanks for the response..

as you suggested., I tried adding my annotations in CATALINA_OPTS., Instead of 
Java_Opts and Java_tool_options.,

But its not even working out., Java process is not getting created., and port 
is not bound to any process.
Let me know if I am missing anything.

Thanks & Regards,
--

SAI VAMSI .B
Senior DevOps Engineer


From: Christopher Schultz 
Sent: Monday, December 4, 2023 23:22
To: users@tomcat.apache.org 
Subject: Re: [EXT] Re: Datadog _ JMX Integration facing connection issues.

Sai Vamsi,

On 12/4/23 03:53, Bodavula, Sai Vamsi Mohan Krishna (TR Technology) wrote:
> Firstly thanks for adding a point me in asking me to check, if the 
> annotations are reflecting in the Java process, which opened me a door to add 
> the concerned annotations in correct place., by adding in java_tool_options 
> in stead of Java_opts.

You will probably want to use CATALINA_OPTS instead of any of the other
ones. JAVA_TOOL_OPTS isn't an environment variable regognized by Tomcat.
You certainly don't want to use JAVA_OPTS, because Tomcat uses JAVA_OPTS
any time it invokes a JVM. For example, running bind/digest.sh doesn't
need to have the JMX subsystem starting-up and trying to grab a port.

JAVA_TOOL_OPTS is an environment variable used by JVM-launching
processes, like jps for example...

> yeah they are reflecting and creating a Java Process.
> but I am facing a problem here., while i am checking JSP, Thats :  the port i 
> am using here to enable JMX is been opening a process with the mentioned port 
> and at the same time shows port is being used.:
>
> root@lab1workflow4scalsvc2zus1-deployment-577d856494-ftb22:/# jps
> Picked up JAVA_TOOL_OPTIONS: -Xms2048M -Xmx10240M -XX:+UseStringDeduplication 
> -XX:+UseContainerSupport -Dcom.sun.management.jmxremote 
> -Dcom.sun.management.jmxremote.authenticate=false 
> -Dcom.sun.management.jmxremote.ssl=false 
> -Dcom.sun.management.jmxremote.local.only=false 
> -Dcom.sun.management.jmxremote.port=49151 
> -Djava.rmi.server.hostname=tomcat.default.svc.cluster.local 
> -javaagent:/datadog-lib/dd-java-agent.jar 
> -XX:OnError=/datadog-lib/continuousprofiler/tmp/dd_crash_uploader.sh 
> -XX:ErrorFile=/datadog-lib/continuousprofiler/tmp/hs_err_pid_%p.log
> Error: Exception thrown by the agent : java.rmi.server.ExportException: Port 
> already in use: 49151; nested exception is:
>  java.net.BindException: Address already in use (Bind failed)

Yes: you have set JAVA_TOOL_OPTS and then run jps. jps is trying to bind
to your port which is aready bound by your Tomcat process.

The solution is to use only CATALINA_OPTS to set these options.

-chris

-
To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org
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Re: [EXT] Re: Datadog _ JMX Integration facing connection issues.

[Bodavula, Sai Vamsi Mohan Krishna (TR Technology)]

 & Regards,
--

SAI VAMSI .B
Senior DevOps Engineer



From: Christopher Schultz 
Sent: Thursday, November 30, 2023 04:07
To: users@tomcat.apache.org 
Subject: Re: [EXT] Re: Datadog _ JMX Integration facing connection issues.

Sai Vamsi,

On 11/29/23 03:50, Bodavula, Sai Vamsi Mohan Krishna (TR Technology) wrote:
> I am trying to add Tomcat-JMX Integration to the Datadog Agent, in order to 
> achieve Remote Monitoring .
> I am following the docs 
> https://urldefense.com/v3/__https://docs.datadoghq.com/containers/guide/autodiscovery-with-jmx/?tab=helm*autodiscovery-annotations__;Iw!!GFN0sa3rsbfR8OLyAw!ZWe640rbBZ7N396lgR23yoo6ALro2xOf6L5lX7cVrpEf19qb0yEfJkd-8jsUiTCABJ46H974kV-LzaS-pYo5EtQDEVC4MYm-FCIfzPlzzlXVqQ$
> [https://urldefense.com/v3/__https://datadog-docs.imgix.net/images/dd-docs-meta-image.png__;!!GFN0sa3rsbfR8OLyAw!ZWe640rbBZ7N396lgR23yoo6ALro2xOf6L5lX7cVrpEf19qb0yEfJkd-8jsUiTCABJ46H974kV-LzaS-pYo5EtQDEVC4MYm-FCIfzPnR3EJUUg$
>  
> ]<https://urldefense.com/v3/__https://docs.datadoghq.com/containers/guide/autodiscovery-with-jmx/?tab=helm*autodiscovery-annotations__;Iw!!GFN0sa3rsbfR8OLyAw!ZWe640rbBZ7N396lgR23yoo6ALro2xOf6L5lX7cVrpEf19qb0yEfJkd-8jsUiTCABJ46H974kV-LzaS-pYo5EtQDEVC4MYm-FCIfzPlzzlXVqQ$
>  >
> Autodiscovery with 
> JMX<https://urldefense.com/v3/__https://docs.datadoghq.com/containers/guide/autodiscovery-with-jmx/?tab=helm*autodiscovery-annotations__;Iw!!GFN0sa3rsbfR8OLyAw!ZWe640rbBZ7N396lgR23yoo6ALro2xOf6L5lX7cVrpEf19qb0yEfJkd-8jsUiTCABJ46H974kV-LzaS-pYo5EtQDEVC4MYm-FCIfzPlzzlXVqQ$
>  >
> Datadog, the leading service for cloud-scale monitoring.
> docs.datadoghq.com
>
>
> This is the Environment  I am using in my case.
> I am trying to integrate JMX in one my Deployment, in AKS environment and I 
> am using Helm to upgrade my environment.
> as suggested in the documentation., I am adding the annotations in my 
> deployment file in helm structure.

Okay, I know absolutely nothing about Azure, Kubernetes, or Helm. But it
looks like maybe this is more basic than that...

> My agent is JMX enabled, and i can see in deployment logs.
> I have configured a service for this deployment and its reflecting.
>
>
> Issue I am facing :
>   I am trying to add my annotations, in the deployment file, after 
> deployment, it should be able make the remote connection , but its showing  
> these logs in the agent.

I will be of no help in figuring out what "annotations" you need in your
"deployment file" because - again - I know nothing about Azure, Kube,
and Helm.

> while i check the Java process., even its not reflecting this JMX process , 
> it seems JMX process is not at all created, in my case.,
>
> error i am facing after deployment"
> 
> JMXFetch
> 
>
>Information
>==
>  runtime_version : 11.0.18
>  version : 0.47.8
>Initialized checks
>==
>  tomcat
>instance_name : tomcat-10.75.12.143-1099
>message : Unable to instantiate or initialize instance 
> 10.75.12.143:1099. Is the target JMX Server or JVM running? Failed to 
> retrieve RMIServer stub: javax.naming.ServiceUnavailableException [Root 
> exception is java.rmi.ConnectException: Connection refused to host: 
> 10.75.12.143; nested exception is:
>  java.net.ConnectException: Connection refused (Connection refused)]

Well THAT seems straightforward.

First: is that the right IP address?

Second: on that server (10.75.12.143), is port 1099 bound-to by the
Tomcat process? Can you, for example, nc to that TCP/IP port? Have you
checked the Tomcat logs to see if there any errors during startup... for
example, any JMX-related errors?

Third: on that IP, is port 1099 reachable from the Helm (or whatever)
server that is trying to contact it? Try using "nc 10.75.12.143 1099"
and see if you can connect from Helm (or whatever).
>  - name: JAVA_OPTS
>value: >-
>  -Dcom.sun.management.jmxremote
>  -Dcom.sun.management.jmxremote.authenticate=false
>  -Dcom.sun.management.jmxremote.ssl=false
>  -Dcom.sun.management.jmxremote.local.only=false
>  -Dcom.sun.management.jmxremote.port=1099
>  -Dcom.sun.management.jmxremote.rmi.port=1099
>  -Djava.rmi.server.hostname=$(POD_IP)
>  -Djava.net.preferIPv4Stack=true
>  -Dcom.sun.management.jmxremote.host=$(POD_IP)

Can you login to 10.75.12.143 and check to see if the JVM launch command
has (a) all of the above -D arguments in it and (b) if the host/hostname
have the expected values in them?

-chris

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To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org
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Re: [EXT] Re: Datadog _ JMX Integration facing connection issues.

[Bodavula, Sai Vamsi Mohan Krishna (TR Technology)]

I am trying to add Tomcat-JMX Integration to the Datadog Agent, in order to 
achieve Remote Monitoring .
I am following the docs 
https://docs.datadoghq.com/containers/guide/autodiscovery-with-jmx/?tab=helm#autodiscovery-annotations
[https://datadog-docs.imgix.net/images/dd-docs-meta-image.png]<https://docs.datadoghq.com/containers/guide/autodiscovery-with-jmx/?tab=helm#autodiscovery-annotations>
Autodiscovery with 
JMX<https://docs.datadoghq.com/containers/guide/autodiscovery-with-jmx/?tab=helm#autodiscovery-annotations>
Datadog, the leading service for cloud-scale monitoring.
docs.datadoghq.com


This is the Environment  I am using in my case.
I am trying to integrate JMX in one my Deployment, in AKS environment and I am 
using Helm to upgrade my environment.
as suggested in the documentation., I am adding the annotations in my 
deployment file in helm structure.
My agent is JMX enabled, and i can see in deployment logs.
I have configured a service for this deployment and its reflecting.


Issue I am facing :
 I am trying to add my annotations, in the deployment file, after deployment, 
it should be able make the remote connection , but its showing  these logs in 
the agent.
while i check the Java process., even its not reflecting this JMX process , it 
seems JMX process is not at all created, in my case.,

error i am facing after deployment"

JMXFetch


  Information
  ==
runtime_version : 11.0.18
version : 0.47.8
  Initialized checks
  ==
tomcat
  instance_name : tomcat-10.75.12.143-1099
  message : Unable to instantiate or initialize instance 10.75.12.143:1099. 
Is the target JMX Server or JVM running? Failed to retrieve RMIServer stub: 
javax.naming.ServiceUnavailableException [Root exception is 
java.rmi.ConnectException: Connection refused to host: 10.75.12.143; nested 
exception is:
java.net.ConnectException: Connection refused (Connection refused)]
  metric_count : 0
  service_check_count : 0
  status : ERROR
  instance_name : tomcat-10.75.12.143-1099
  message : Unable to instantiate or initialize instance 10.75.12.143:1099. 
Is the target JMX Server or JVM running? Failed to retrieve RMIServer stub: 
javax.naming.ServiceUnavailableException [Root exception is 
java.rmi.ConnectException: Connection refused to host: 10.75.12.143; nested 
exception is:
java.net.ConnectException: Connection refused (Connection refused)]
  metric_count : 0
  service_check_count : 0
  status : ERROR
  Failed checks
  =
no checks

These are the annotations i have tried to implement JMX in my case:

ad.datadoghq.com/{{ .Values.configmap.app.name }}-container.checks: >-
  {
  "tomcat": {
"init_config": {
  "is_jmx": true,
  "collect_default_metrics": true
},
  "instances": [{
  "host": "%%host%%",
  "port": "1099"
  }]
}
  }

- name: POD_IP
  valueFrom:
fieldRef:
  fieldPath: status.podIP
- name: JAVA_OPTS
  value: >-
-Dcom.sun.management.jmxremote
-Dcom.sun.management.jmxremote.authenticate=false
-Dcom.sun.management.jmxremote.ssl=false
-Dcom.sun.management.jmxremote.local.only=false
-Dcom.sun.management.jmxremote.port=1099
-Dcom.sun.management.jmxremote.rmi.port=1099
-Djava.rmi.server.hostname=$(POD_IP)
-Djava.net.preferIPv4Stack=true
-Dcom.sun.management.jmxremote.host=$(POD_IP)

Even i tried by altering some of the unwanted annotations, I am not getting the 
expected result., ie., remote JMX connection.,


I would requet your help in this.,
Thanks in advance!



Thanks & Regards,
--

SAI VAMSI .B
Senior DevOps Engineer



From: Christopher Schultz 
Sent: Tuesday, November 28, 2023 19:41
To: users@tomcat.apache.org 
Subject: [EXT] Re: Datadog _ JMX Integration facing connection issues.

External Email: Use caution with links and attachments.

Sai Vamsi,

On 11/28/23 04:29, Bodavula, Sai Vamsi Mohan Krishna (TR Technology) wrote:
> Hello team,
> I am trying to add Tomcat-JMX Integration to the Datadog Agent, in order
> to achieve Remote Monitoring .
> I am following the docs
> https://urldefense.com/v3/__https://docs.datadoghq.com/containers/guide/autodiscovery-with-jmx/?tab=helm*autodiscovery-annotations__;Iw!!GFN0sa3rsbfR8OLyAw!flrd6o4JKEdfTeHqFXZnxrdwVlDfgIQWa0LA1ItCAwqquaEQHF1TQrWhTdEdCz8b0U5R2hKiyy7adAu09KNW3__LBlrGJg7Il1X4ugDoVeSJPw$
>   
> <https://urldefense.com/v3/__https://docs.datadoghq.com/containers/guide/autodiscovery-with-jmx/?tab=helm*autodiscovery-annota

Datadog _ JMX Integration facing connection issues.

[Bodavula, Sai Vamsi Mohan Krishna (TR Technology)]

Hello team,
I am trying to add Tomcat-JMX Integration to the Datadog Agent, in order to 
achieve Remote Monitoring .
I am following the docs 
https://docs.datadoghq.com/containers/guide/autodiscovery-with-jmx/?tab=helm#autodiscovery-annotations

This is the Environment  I am using in my case.
I am trying to integrate JMX in one my Deployment, in AKS environment and I am 
using Helm to upgrade my environment.
as suggested in the documentation., I am adding the annotations in my 
deployment file in helm structure.
My agent is JMX enabled, and i can see in deployment logs.
I have configured a service for this deployment and its reflecting.


Issue I am facing :
 I am trying to add my annotations, in the deployment file, after deployment, 
it should be able make the remote connection , but its showing  these logs in 
the agent.
while i check the Java process., even its not reflecting this JMX process , it 
seems JMX process is not at all created, in my case.,
[cid:5a307d04-216c-42b5-9e74-0b23df59b803]

Following are the annotations i am using in my case

[cid:40751353-de64-4b88-a04b-7fda70f9cc5c]
[cid:208606f4-1e69-4e53-b191-ce2254e9352d]
Even i tried by altering some of the unwanted annotations, I am not getting the 
expected result., ie., remote JMX connection.,


I would requet your help in this.,
Thanks in advance!


Thanks & Regards,
--

SAI VAMSI .B
Senior DevOps Engineer

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Re: Unable to download eclipse plugin

[mohan . krishna]

+1

On Monday, May 21, 2018 at 2:28:27 AM UTC+5:30, J.J.Chao Tao wrote:
>
> Hi, 
>
>   I am trying to install GWT plugin for Eclipse (Oxygen or Neon), using 
> the Eclipse market place, but got "No repository found at 
> http://storage.googleapis.com/gwt-eclipse-plugin/v3/release;. Can anyone 
> help?
>
>   Thanks.
>
> --J.J Chao--
>
>
>
>

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[android-developers] Need help with Tracked channels (UTM) in google play console

[mohan krishna]

Need help with Tracked channels (UTM) in google play console (user 
acquisition) please.
I want to track which source is giving me more installs in developer 
console user acquisition section.
I used this link 
https://developers.google.com/analytics/devguides/collection/android/v4/campaigns#google-play-url-builder
 
to create urls for different sources and placed them in different sources 
from where i get users. But i don't see any measurement in my user 
acquisition-> performance page in google developer console, even after more 
than one week, i can see other numbers like "Play Store (organic)" for same 
date but "Tracked channels (UTM)" is still zero even after one week.
Thank you in advance for the help.

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Re: Newbie to Hive- Errors / Messages while starting Hive

[Mohan Krishna]

Hi Krish,
 You shall try hive shell
Not simply hive
Let me know if you still face the same issue


Thanks
Mohan


On Mon, Jan 5, 2015 at 12:09 PM, Krish Donald gotomyp...@gmail.com wrote:

 Hi,

 I am new to hive and when I am trying to go to hive prompt I am getting
 below messages/erros . Is this normal.
 I am using all default templates, I have not changed any properties in
 default templates.

 [hadoop@mynamenode conf]$ hive
 Logging initialized using configuration in
 file:/opt/hadoop/hive/conf/hive-log4j.properties
 SLF4J: Class path contains multiple SLF4J bindings.
 SLF4J: Found binding in
 [jar:file:/opt/hadoop/share/hadoop/common/lib/slf4j-log4j12-1.7.5.jar!/org/slf4j/impl/StaticLoggerBinder.class]
 SLF4J: Found binding in
 [jar:file:/opt/hadoop/hive/lib/hive-jdbc-0.14.0-standalone.jar!/org/slf4j/impl/StaticLoggerBinder.class]
 SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an
 explanation.
 SLF4J: Actual binding is of type [org.slf4j.impl.Log4jLoggerFactory]
 Exception in thread main java.lang.RuntimeException:
 java.lang.IllegalArgumentException: java.net.URISyntaxException: Relative
 path in absolute URI: ${system:java.io.tmpdir%7D/$%7Bsystem:user.name%7D
 at
 org.apache.hadoop.hive.ql.session.SessionState.start(SessionState.java:444)
 at org.apache.hadoop.hive.cli.CliDriver.run(CliDriver.java:672)
 at org.apache.hadoop.hive.cli.CliDriver.main(CliDriver.java:616)
 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
 at
 sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
 at
 sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 at java.lang.reflect.Method.invoke(Method.java:483)
 at org.apache.hadoop.util.RunJar.run(RunJar.java:221)
 at org.apache.hadoop.util.RunJar.main(RunJar.java:136)
 Caused by: java.lang.IllegalArgumentException:
 java.net.URISyntaxException: Relative path in absolute URI:
 ${system:java.io.tmpdir%7D/$%7Bsystem:user.name%7D
 at org.apache.hadoop.fs.Path.initialize(Path.java:206)
 at org.apache.hadoop.fs.Path.init(Path.java:172)
 at
 org.apache.hadoop.hive.ql.session.SessionState.createSessionDirs(SessionState.java:487)
 at
 org.apache.hadoop.hive.ql.session.SessionState.start(SessionState.java:430)
 ... 8 more
 Caused by: java.net.URISyntaxException: Relative path in absolute URI:
 ${system:java.io.tmpdir%7D/$%7Bsystem:user.name%7D
 at java.net.URI.checkPath(URI.java:1823)
 at java.net.URI.init(URI.java:745)
 at org.apache.hadoop.fs.Path.initialize(Path.java:203)
 ... 11 more

 Thanks
 Krish

Re: Newbie to Hive- Errors / Messages while starting Hive

[Mohan Krishna]

hive shell is the command to enter in to Hive shell



On Mon, Jan 5, 2015 at 12:26 PM, Krish Donald gotomyp...@gmail.com wrote:

 What is the difference between hive shell and hive prompt ...

 On Sun, Jan 4, 2015 at 10:47 PM, Mohan Krishna mohan.25fe...@gmail.com
 wrote:

 Hi Krish,
  You shall try hive shell
 Not simply hive
 Let me know if you still face the same issue


 Thanks
 Mohan


 On Mon, Jan 5, 2015 at 12:09 PM, Krish Donald gotomyp...@gmail.com
 wrote:

 Hi,

 I am new to hive and when I am trying to go to hive prompt I am getting
 below messages/erros . Is this normal.
 I am using all default templates, I have not changed any properties in
 default templates.

 [hadoop@mynamenode conf]$ hive
 Logging initialized using configuration in
 file:/opt/hadoop/hive/conf/hive-log4j.properties
 SLF4J: Class path contains multiple SLF4J bindings.
 SLF4J: Found binding in
 [jar:file:/opt/hadoop/share/hadoop/common/lib/slf4j-log4j12-1.7.5.jar!/org/slf4j/impl/StaticLoggerBinder.class]
 SLF4J: Found binding in
 [jar:file:/opt/hadoop/hive/lib/hive-jdbc-0.14.0-standalone.jar!/org/slf4j/impl/StaticLoggerBinder.class]
 SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an
 explanation.
 SLF4J: Actual binding is of type [org.slf4j.impl.Log4jLoggerFactory]
 Exception in thread main java.lang.RuntimeException:
 java.lang.IllegalArgumentException: java.net.URISyntaxException: Relative
 path in absolute URI: ${system:java.io.tmpdir%7D/$%7Bsystem:user.name%7D
 at
 org.apache.hadoop.hive.ql.session.SessionState.start(SessionState.java:444)
 at org.apache.hadoop.hive.cli.CliDriver.run(CliDriver.java:672)
 at org.apache.hadoop.hive.cli.CliDriver.main(CliDriver.java:616)
 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
 at
 sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
 at
 sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 at java.lang.reflect.Method.invoke(Method.java:483)
 at org.apache.hadoop.util.RunJar.run(RunJar.java:221)
 at org.apache.hadoop.util.RunJar.main(RunJar.java:136)
 Caused by: java.lang.IllegalArgumentException:
 java.net.URISyntaxException: Relative path in absolute URI:
 ${system:java.io.tmpdir%7D/$%7Bsystem:user.name%7D
 at org.apache.hadoop.fs.Path.initialize(Path.java:206)
 at org.apache.hadoop.fs.Path.init(Path.java:172)
 at
 org.apache.hadoop.hive.ql.session.SessionState.createSessionDirs(SessionState.java:487)
 at
 org.apache.hadoop.hive.ql.session.SessionState.start(SessionState.java:430)
 ... 8 more
 Caused by: java.net.URISyntaxException: Relative path in absolute URI:
 ${system:java.io.tmpdir%7D/$%7Bsystem:user.name%7D
 at java.net.URI.checkPath(URI.java:1823)
 at java.net.URI.init(URI.java:745)
 at org.apache.hadoop.fs.Path.initialize(Path.java:203)
 ... 11 more

 Thanks
 Krish

Re: Hive CLI question

[Mohan Krishna]

Hi Louis

I use Ctrl+L as a keyboard short cut to clear Hive screen.



Thanks
Mohan

On Fri, Jan 2, 2015 at 1:41 AM, Louis Vincent Frolio frol...@yahoo.com
wrote:

 Does anyone know how to issue a clear screen at the hive prompt?
 Is this even possible?  I am looking for something similar to system
 clear in MySQL.

 Thank you, Louis.

Hive-HBase Integration

[Mohan Krishna]

Any body know Hive-HBase Integration process?



Thanks
Mohan

What more Hive can do when compared to PIG

[Mohan Krishna]

*Hello all*

*Can somebody help me in getting the answer for the below question*

*Its regarding PIG vs HIVE:*

We knew that PIG for large data sets analysis and Hive is good at data
summrization and adhoc queries. But,I want to know , an usecase where Hive
can handle it and the same can not be acheived with PIG

I mean to say, what more a HIve query can achieve when the same is not
possible with PIG latin script

if possible i want to know the viceversa case as well


Thanks
Mohan
469-274-5677

Re: [ANNOUNCE] New Hive PMC Member - Prasad Mujumdar

[Mohan Krishna]

Congrats Prasad

On Wed, Dec 10, 2014 at 3:47 AM, Carl Steinbach c...@apache.org wrote:

 I am pleased to announce that Prasad Mujumdar has been elected to the Hive
 Project Management Committee. Please join me in congratulating Prasad!

 Thanks.

 - Carl

Re: [ANNOUNCE] New Hive PMC Member - Prasad Mujumdar

[Mohan Krishna]

Congrats Prasad

On Wed, Dec 10, 2014 at 3:47 AM, Carl Steinbach c...@apache.org wrote:

 I am pleased to announce that Prasad Mujumdar has been elected to the Hive
 Project Management Committee. Please join me in congratulating Prasad!

 Thanks.

 - Carl

Question 1

[Mohan Krishna]

Why PIG came in to picture?
What makes Hadoop to focus on PIG?

dev-ow...@hive.apache.org.

[Mohan Krishna]

Can Hive handles Unstructured data  o it handles only structured data?
Please confirm


Thanks
Mohan

Re: dev-ow...@hive.apache.org.

[Mohan Krishna]

Thanks alan for the answer/
So, can i conclude that Hive handles unstructured data?


On Thu, Dec 4, 2014 at 10:06 PM, Alan Gates ga...@hortonworks.com wrote:

 Define unstructured.  Hive can handle data such Avro or JSON, which I
 would call self-structured.  I believe the SerDes for these types can even
 set the schema for the table or partition you are reading based on the data
 in the file.

 Alan.

   Mohan Krishna mohan.25fe...@gmail.com
  December 3, 2014 at 17:01
 Can Hive handles Unstructured data o it handles only structured data?
 Please confirm


 Thanks
 Mohan


 --
 Sent with Postbox http://www.getpostbox.com

 CONFIDENTIALITY NOTICE
 NOTICE: This message is intended for the use of the individual or entity
 to which it is addressed and may contain information that is confidential,
 privileged and exempt from disclosure under applicable law. If the reader
 of this message is not the intended recipient, you are hereby notified that
 any printing, copying, dissemination, distribution, disclosure or
 forwarding of this communication is strictly prohibited. If you have
 received this communication in error, please contact the sender immediately
 and delete it from your system. Thank You.

Re: dev-ow...@hive.apache.org.

[Mohan Krishna]

Thankyou Bill
Now it is clear for me, Thanks



On Fri, Dec 5, 2014 at 12:54 AM, Bill Busch bill.bu...@perficient.com
wrote:

 Mohan,

 It will handle it, but it is probably (depending on your use case) not
 optimal.  Hive's sweat spot is structured data.

 Bill

 Thank You,
 Follow me on   @BigData73

 -
 Bill Busch | SSA | Enterprise Information Solutions CWP
 m: 704.806.2485 |  NASDAQ: PRFT  |  Perficient.com




 BI/DW | Advanced Analytics | Big Data |  ECI|  EPM | MDM

 -Original Message-
 From: Mohan Krishna [mailto:mohan.25fe...@gmail.com]
 Sent: Thursday, December 04, 2014 1:09 PM
 To: dev@hive.apache.org
 Subject: Re: dev-ow...@hive.apache.org.

 Thanks alan for the answer/
 So, can i conclude that Hive handles unstructured data?


 On Thu, Dec 4, 2014 at 10:06 PM, Alan Gates ga...@hortonworks.com wrote:

  Define unstructured.  Hive can handle data such Avro or JSON, which I
  would call self-structured.  I believe the SerDes for these types can
  even set the schema for the table or partition you are reading based
  on the data in the file.
 
  Alan.
 
Mohan Krishna mohan.25fe...@gmail.com  December 3, 2014 at 17:01
  Can Hive handles Unstructured data o it handles only structured data?
  Please confirm
 
 
  Thanks
  Mohan
 
 
  --
  Sent with Postbox http://www.getpostbox.com
 
  CONFIDENTIALITY NOTICE
  NOTICE: This message is intended for the use of the individual or
  entity to which it is addressed and may contain information that is
  confidential, privileged and exempt from disclosure under applicable
  law. If the reader of this message is not the intended recipient, you
  are hereby notified that any printing, copying, dissemination,
  distribution, disclosure or forwarding of this communication is
  strictly prohibited. If you have received this communication in error,
  please contact the sender immediately and delete it from your system.
 Thank You.

Question

[Mohan Krishna]

Hive is  for only structured data or it handles Unstructured data as well ?

Re: Question

[Mohan Krishna]

Hive is  for only structured data or it handles Unstructured data as well ?

On Thu, Dec 4, 2014 at 6:49 AM, Mohan Krishna mohan.25fe...@gmail.com
wrote:

 Hive is  for only structured data or it handles Unstructured data as well ?

Re: Question

[Mohan Krishna]

Thanks Gabriel for the prompt response

I see in online blogs saying  MapReduce for Unstructured Data , Pig for
Semi Sturctured Data and Hive is only for Structured Data. Can you please
justify this?


Thanks in advance



On Thu, Dec 4, 2014 at 6:56 AM, Gabriel Eisbruch gabrieleisbr...@gmail.com
wrote:

 Hi Mohan,
We are using hive for unstructured (or semi structured data) using map
 columns, for example, we use for fixed data standard columns and form
 dynamic data map columns.

 Gabriel.

 2014-12-03 22:19 GMT-03:00 Mohan Krishna mohan.25fe...@gmail.com:

 Hive is  for only structured data or it handles Unstructured data as well
 ?

Re: Question

[Mohan Krishna]

Thankyou Gabriel
Your answers are very useful to me. Thanks a lot



On Thu, Dec 4, 2014 at 7:29 AM, Bill Busch bigdat...@outlook.com wrote:

 MapReduce can be used for both structure and unstructured data.   Hive is
 a storage and retrieval mechanism (e.g. database).   The trouble with RDBMS
 is that you either have to parse the unstructured data into a structured
 row /column format OR store it as an object.  There are issues both
 performance and semantically .  Hence, there is a whole world of NoSQL
 databases out there that have been developed that are not row-column
 structured.  These databases can handle more schema-less/unstructured
 objects and will allow you to more eloquently manipulate your information.
  I would check out the Wikipedia page on NoSQL databases and focus on
 Key - Value, Columnar, or Document databases.

 --
 Date: Thu, 4 Dec 2014 07:06:16 +0530
 Subject: Re: Question
 From: mohan.25fe...@gmail.com
 To: user@hive.apache.org


 Thanks Gabriel for the prompt response

 I see in online blogs saying  MapReduce for Unstructured Data , Pig for
 Semi Sturctured Data and Hive is only for Structured Data. Can you please
 justify this?


 Thanks in advance



 On Thu, Dec 4, 2014 at 6:56 AM, Gabriel Eisbruch 
 gabrieleisbr...@gmail.com wrote:

 Hi Mohan,
We are using hive for unstructured (or semi structured data) using map
 columns, for example, we use for fixed data standard columns and form
 dynamic data map columns.

 Gabriel.

 2014-12-03 22:19 GMT-03:00 Mohan Krishna mohan.25fe...@gmail.com:

 Hive is  for only structured data or it handles Unstructured data as well ?

Re: Question

[Mohan Krishna]

Hi Gabriel/Bill,
I completely see that PIG and Hive are alternatives for MapReduce which
help Users working BigData Systems who dont have any JAVA knowledge. As we
all know that MAPReduce handles both Struct and unstruct data, i just
wanted to know which one among PIG/Hive handles Unstructured Data and which
one handles Structured Data.

Also,Please clarify the below

!) As Hive resembles SQL in processing data, can you please let me know
what are all the mail differences between Hive and SQL.

2) Why Hive came in to picture when we have SQL in the market ?



I Would be glad if the queries answered at the earliest, Thanks


On Thu, Dec 4, 2014 at 8:19 AM, Gabriel Eisbruch gabrieleisbr...@gmail.com
wrote:

 Mohan,
I think that depends on your use case and how you feel with the
 technologies, I am not a pig expert but as Bill said, Hive and Pig are ways
 to do easier the way to process the data, you can write mapreduce to do any
 hive or pig task and more , it's definitely more versatile but more hard to
 use too. Because of that, I prefer to said that we should use the correct
 tool for the correct problem. If you feel great with sql, your data can be
 mapped to hive schema and your process could be solved with sql, hive could
 be a great tool, If you feel better with scripting PIG could be a great
 tool, in other case, if you need to do more complex processing,
 map-reducer, spark or other could be greater.

 Gabriel.

 2014-12-03 23:02 GMT-03:00 Mohan Krishna mohan.25fe...@gmail.com:

 Thankyou Gabriel
 Your answers are very useful to me. Thanks a lot



 On Thu, Dec 4, 2014 at 7:29 AM, Bill Busch bigdat...@outlook.com wrote:

 MapReduce can be used for both structure and unstructured data.   Hive
 is a storage and retrieval mechanism (e.g. database).   The trouble with
 RDBMS is that you either have to parse the unstructured data into a
 structured row /column format OR store it as an object.  There are issues
 both performance and semantically .  Hence, there is a whole world of NoSQL
 databases out there that have been developed that are not row-column
 structured.  These databases can handle more schema-less/unstructured
 objects and will allow you to more eloquently manipulate your information.
  I would check out the Wikipedia page on NoSQL databases and focus on
 Key - Value, Columnar, or Document databases.

 --
 Date: Thu, 4 Dec 2014 07:06:16 +0530
 Subject: Re: Question
 From: mohan.25fe...@gmail.com
 To: user@hive.apache.org


 Thanks Gabriel for the prompt response

 I see in online blogs saying  MapReduce for Unstructured Data , Pig for
 Semi Sturctured Data and Hive is only for Structured Data. Can you please
 justify this?


 Thanks in advance



 On Thu, Dec 4, 2014 at 6:56 AM, Gabriel Eisbruch 
 gabrieleisbr...@gmail.com wrote:

 Hi Mohan,
We are using hive for unstructured (or semi structured data) using
 map columns, for example, we use for fixed data standard columns and form
 dynamic data map columns.

 Gabriel.

 2014-12-03 22:19 GMT-03:00 Mohan Krishna mohan.25fe...@gmail.com:

 Hive is  for only structured data or it handles Unstructured data as
 well ?

Data Analyst @ Detroit

[mohan krishna]

Data Management professionals analyze and develop complex logical database
designs, logical data models and relational data definitions in support of
corporate and customer information systems requirements. They understand
the methodologies and technologies that depict the flow of data within and
between technology systems and business functions/operations. Additional
responsibilities include the identification and resolution of information
flow, content issues and the transformation of business requirements into
logical data models. They identify opportunities to reduce data redundancy,
trends in data uses and single sources of data.

Work Complexity
- Works on multiple projects/issues/enhancements as a lead.
- Works on complex enterprise-wide projects/issues/enhancements.
- Provides support for master data management (MDM) system
development, implementation and maintenance.

Top Three Skills/Experience

1.Collecting information from various data sources and provide detailed
Data analysis- 5 years
2.Clear understanding of the databases- 5 years
3.Working with various IT teams to help resolve customer issues
efficiently/effectively- 5 years

Required Skills/Experience
?Understanding of the SDLC
?Analyzing the issue and coming up with an understanding to bring
it to the attention of the right teams


Preferred Skills/Experience
?Understanding of healthcare industry
?Writing simple queries

Regards,

 Mohan  Krishna

*IMBUESYS INC*

Phone: (847) 752 0946

Email: mohan.kris...@imbuesys.com padmapr...@imbuesys.com

3315 Algonquin Rd. | Suite#102 | Rolling Meadows, IL 60008

http://www.imbuesys.com

Java Flex Developer Immediate interview

[mohan krishna]

JAVA FLEX Developers

Denver

Skype/Phone




If they have Healthcare - they will be a TOP CHOICE!





Job Code

Job Title   Sr. Flex UI Developer

Duties  Senior Flex UI Developer



We are seeking a Sr Flex Developer who will be responsible for developing
the presentation layer for the Falcon Physician product







Job Description



Design, develop and support various Clinical System Applications.

Work with the Business Analyst to review and understand the business
requirements and functional specifications.

Participate in architecture, design and code reviews.

Solution design and documentation using Adobe Flex, Cold Fusion 8, Java
Script, AJAX, Flex, Flash, Visio, MS Office etc.

Work with QA and CM team for code build/releases, test case design and
defect resolution.

Work with Team Lead/Project Manager for planning, estimation, documentation
and status reporting.

Mentor other teammates on Flex design and development.

Any other tasks necessary for completion of project deliverables and
application support.

Be able to adapt and contribute to a fast paced and agile application
development.

Adhere to project schedules, proactively resolve and or escalate issue to
management.

Team Lead experience a plus

Experience with working with offshore teams a plus.





Skills  Design skills



Highly skilled in Web Application architecture and design.

Experience in developing applications with heavy transactions volume.

Highly skilled in OO and heavy use of Design Patterns and development
frameworks like Cairngorm, MVC, Fusebox, etc.





Programming skills



5+ years of Adobe Flex experience required years of Java, .Net and/or

5+ Cold Fusion, SQL, XML development experience

Expert in Java Script andAJAX

Team Lead experience a plus

Healthcare experience a plus

Web Services experience desired

Excellent communication skills

Software Requirements

Software Development Process

Object-Oriented Design (OOD)

Software Debugging

Documentation

Unit Testing

Build, customize and modify use cases

Oracle experience a plus

[no subject]

[Mohan Krishna]

unsubscribe kvm
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[android-developers] issue with google play game services

[Mohan Krishna]

Hi Everyone,

i have started using google play game services recently,

and i am facing the following error while trying to generate client id, 
please help me figure out what is the pause.

Here is the exception shown : This client ID is globally unique and is 
already in use..

Thanks in advance.


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[strongSwan] GRE over IPsec in Load-Tester Scenario

[Mohan Krishna]

Hi,

I am trying to establish 1000 GRE over IPsec Tunnels between a Linux
Machine and Cisco Router using the Load-Tester Plugin. I need help on how
to configure strongswan.conf to set 'leftprotoport=47' (GRE).

Thanks,
Mohan
___
Users mailing list
Users@lists.strongswan.org
https://lists.strongswan.org/mailman/listinfo/users

[strongSwan] To Generate Traffic on Load-Tester Tunnels to Cisco Router.

[Mohan Krishna]

Hi,

I am trying to establish multiple IPsec Tunnels between Linux(strongSwan)
and Cisco Router using Load tester plugin, and I want to generate traffic
on each negotiated load-tester tunnel. Tools like 'iperf' need
configuration on both sides and are of no help since I cant configure it on
Cisco Router.

Please suggest me what tool to use.

Thanks,
Mohan
___
Users mailing list
Users@lists.strongswan.org
https://lists.strongswan.org/mailman/listinfo/users

[strongSwan] Establishing Multiple IPsec SAs

[Mohan Krishna]

other than Load Tester Plugin, what other methods are available to
establish multiple (1000 and more) IPsec SAs?

Thank Mohan
___
Users mailing list
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[OSL | CCIE_Security] (no subject)

[mohan krishna]

I got the mail regarding online study .please forward me the necessary posts 
regarding ccie-security___
For more information regarding industry leading CCIE Lab training, please visit 
www.ipexpert.com

Are you a CCNP or CCIE and looking for a job? Check out 
www.PlatinumPlacement.com

Hardware Technician Networking Engineer 100 Opening(s) WT Internetworks

[Mohan Krishna]

Hardware Technician  Networking Engineer 100 Opening(s) WT InternetworksFor 
More Details:http://allfreshersjobs.com/view-job.php?id=413 

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Hardware Technician Networking Engineer 100 Opening(s) WT Internetworks

[Mohan Krishna]

Hardware Technician  Networking Engineer 100 Opening(s) WT InternetworksFor 
More Details:http://allfreshersjobs.com/view-job.php?id=413 

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SEO Developer 6 Opening(s) ICONIX Technology Services

[Mohan Krishna]

SEO Developer 6 Opening(s) ICONIX Technology ServicesMore 
Details: http://allfreshersjobs.com/view-job.php?id=405 

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Walk in interviews for TECHNICAL EDITOR for a UK Publishing Firm Packt Publishing Pvt. Ltd

[Mohan Krishna]

Walk in interviews for TECHNICAL EDITOR for a UK Publishing Firm Packt 
Publishing Pvt. LtdMore Details:http://allfreshersjobs.com/view-job.php?id=403 

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SEO Developer 6 Opening(s) ICONIX Technology Services

[Mohan Krishna]

SEO Developer 6 Opening(s) ICONIX Technology ServicesMore 
Details: http://allfreshersjobs.com/view-job.php?id=405 

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Walk in interviews for TECHNICAL EDITOR for a UK Publishing Firm Packt Publishing Pvt. Ltd

[Mohan Krishna]

Walk in interviews for TECHNICAL EDITOR for a UK Publishing Firm Packt 
Publishing Pvt. LtdMore Details:http://allfreshersjobs.com/view-job.php?id=403 

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Direct Recruitment of Junior Plant Attendants For AP Genco

[Mohan Krishna]

Direct Recruitment of Junior Plant Attendants For AP GencoFor More Details: 
http://allfreshersjobs.com/view-job.php?id=380

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Direct Recruitment of Junior Plant Attendants For AP Genco

[Mohan Krishna]

Direct Recruitment of Junior Plant Attendants For AP GencoFor More Details: 
http://allfreshersjobs.com/view-job.php?id=380

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SDET - Fresher(2010-11) passouts for Amazon.com, a Product dev Company

[Mohan Krishna]

SDET - Fresher(2010-11) passouts for Amazon.com, a Product dev Company More 
Details Visit this link: http://allfreshersjobs.com/view-job.php?id=371

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SDET - Fresher(2010-11) passouts for Amazon.com, a Product dev Company

[Mohan Krishna]

SDET - Fresher(2010-11) passouts for Amazon.com, a Product dev Company More 
Details Visit this link: http://allfreshersjobs.com/view-job.php?id=371

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Invitation to connect on LinkedIn

[MOHAN KRISHNA SANAPATHI via LinkedIn]

LinkedIn





MOHAN KRISHNA SANAPATHI requested to add you as a connection on LinkedIn:
  
--

deepthi,

I'd like to add you to my professional network on LinkedIn.

- MOHAN

Accept invitation from MOHAN KRISHNA SANAPATHI
http://www.linkedin.com/e/rkjb8t-go7ih4hk-5/M3q8XVknNOF9_GwkPaqn8ZV51H-8jUxElyRtsx2U/blk/I47758098_65/pmpxnSRJrSdvj4R5fnhv9ClRsDgZp6lQs6lzoQ5AomZIpn8_djpve3AMe3kTdPh9bSdahD9Oi4IRbPgRe3AUcPsOc3cLrCBxbOYWrSlI/EML_comm_afe/

View invitation from MOHAN KRISHNA SANAPATHI
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DID YOU KNOW you can be the first to know when a trusted member of your network 
changes jobs? With Network Updates on your LinkedIn home page, you'll be 
notified as members of your network change their current position. Be the first 
to know and reach out!
http://www.linkedin.com/

 
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[android-developers] Re: Accidentally made my paid app free

[Mohan Krishna]

no problem..

No need to change the app name just change the package name of your
app...

that will work..

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[gcj] Re: post incrementation in JAVA... wierd

[mohan krishna]

hi,
   hey eagle i agree with you...
   let me try to tell u in my way..
int n=10;
n=n++;
here first RHS value will be choosen where there is a post increment..
so it turns into
n=n;
next post increment i.e n++ will be calculate which turn n to
increment leading to,
n=11;

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[gcj] Re: confirmation mail ?

[mohan krishna]

i solved two prob A,C (both large n small) in qualification round but
got rejected..
may be they disqualified me because i submitted my solution with two
id's..
but the thing was i by mistake opened the contest using another
i.d(justforchitc...@ymail.com) and solved small input of only one
problem, but as soon as i found that, i signed off from it i did not
use that i.d(justforchitc...@ymail.com) again..
if you could check that, i did not submit any further problem using
that id(justforchitc...@ymail.com)..
if i was in an intention to cheat then i would i have solved the next
one also using this, but i did not..
it was completely by mistake..
hope you can understand my problem :-(

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[android-developers] Re: Hide Activity

[Mohan Krishna]

hi ajay,
define your own theme and add that theme to the activity in
manifest.xml that you want to change.

create a new xml file in res/values,
and in the androidmanifest.xml file add your that theme to your
activity.

you can use this as an example

style name=Theme parent=android:Theme.Dialog
item name=android:windowBackground@null/item
item name=android:windowNoTitletrue/item
/style

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{Tek-Professionals} Urgent Need :

[MOHAN KRISHNA]

*Please send the matching resumes to mo...@xperttech.com*

* *

*Location*: Washington, DC
*Start Date*: Immediate
*Rate*: $50-$52/hr

Must be able to able to write script from scratch and do framework
The QA Engineer will need to plan, design, and execute the following QTP
features and functions:
· Create Checkpoints or Verification points:
o The QA Engineer must add or create a checkpoint to check if a particular
object, text or a bitmap is present in the automation run. Checkpoints are
used to verify that during the course of test execution, the actual
application behavior or state is consistent with the expected application
behavior or state. There are 10 types of checkpoints available in QTP,
enabling users to verify various aspects of an application under test, such
as: the properties of an object, data within a table, records within a
database, a bitmap image, or the text on an application screen. Users can
also create user-defined checkpoints.

· Perform Data-driven testing:
o The QA Engineer must perform data-driven testing. Data-driven testing is
implemented as a Microsoft Excel workbook that can be accessed from within
QTP. There are two types of Data Tables available in QTP: the Global data
sheet and the local data sheets. The test steps read data from these data
tables in order to (for example) drive variable data into the application
under test, and verify the expected result

· Create Automated custom and complex UI object:
o The QA Engineer must create scripts to validate customized user interface
objects and other complex objects that may not be recognized properly by
QTP. QTP offers a Virtual Object concept to enable users to add some degree
of support for these objects. Assuming that the required information can be
extracted from the object, this allows the users to successfully record and
playback against that object. In practice, this is not always possible.

· Manage Add-in Extensibility
o The QA Engineer must know QuickTest add-in extensibility which enables you
to extend the relevant QuickTest add-in to support third-party and custom
controls that are not supported out-of-the-box. QuickTest add-in
extensibility is currently supported for the Web, .NET, Java, and Delphi
add-ins





Thanks/ Regards,

Mohan Krishna

XpertTech Inc
Certified Minority Owned Business Enterprise

400 W Cummings Park, Suite#5450A Woburn, MA-01801
Phone: 781-787-0045


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Urgent openings

[MOHAN KRISHNA]

We need local candidates preferably or candidates who can come for a
face-to-face interview and relocate on their own cost. All these positions
are in Cary, NC.



Position 1

Service Desk Manager

Salary: Up to 75K plus benefits

   - Should be a US Citizen and have diverse US experience
   - Should have 8+ years of experience in Managing Service Desk with sound
   *knowledge of ITIL* and preferably possess relevant certifications
   - Should have worked in *EUC engagements in an off shoring/Managed
   services environment* with clear focus on adding values to the
   engagements managed.
   - Excellent communicator who can assist in Sales/presales calls
   - Excellent people management Skills
   - Should be flexible in working hours and open to travelling
   - Also preferably should have run a shared service desk in the
   outsourcing company.


Position 2

*Sr Cognos Developer \ Administrator (Group-C)  (MUST BE BOTH A DEVELOPER
AND ADMIN – CERTIFICATION IS PREFERRED)*

*Salary: 75-80K plus benefits*

*No of People Required: 1*

*Shift – 8:00 AM – 5:00 PM*

* *

§ 7+  yrs  deep experience in IBM Cognos Production (Cognos
8.3/FM/Transformer/Report Studio/Analysis Studio)**

§ Good knowledge and experience in working with Financial Reporting
environment.**

§ Sound knowledge of DW Concepts/Methodologies and Reporting
Concepts.**

§ Sound knowledge in Relational and OLAP concepts and methodologies.
**

§ Experience in writing complex SQL.**

§ Experience as Back-end in ORACLE database and database design
concepts**

§ Exposure on Testing methodologies, creating test plan, test cases
and various methods of testing.**

§ Sound experience design  developing complex Reports, Framework
Manager and Cognos CUBES in Cognos 8.x environment.**

§ Must have experience as Cognos Administrator and resolve
administrative issues independently.**

§ Experience in installing, configuring and administration of IBM
Congos 8.4 on Windows OS Platform.**

§ Must be able to analyze the performance issue and resource the
same.**

§ Must have exposure on production environment and can provide
support.**

§ Must be able to troubleshoot issues independently.

§ Expert in administration and configuration of Cognos Application
Servers, Content Manager, Gateway and Transformer

§ Experience with data warehousing/database concepts

§ Hands-on experience administering, deploying and maintaining
models, reports, and cubes using Cognos 8 Studios and Transformer and
PowerPlay

§ Understanding and in depth knowledge of OLAP solutions and OLAP
Modeling

§ In depth knowledge of SQL

§ Adept in using performance tuning and optimization techniques to
troubleshoot reporting issues

§ Knowledge of Cognos Security - Access Manager

§ Strong Oral and written communications skills

§ Ability to develop and communicate training packages for knowledge
transfer

§ Development Experience, General Administration and Configuration
understanding. Good understanding of relational structures, dimensional
structured query language, reporting techniques and basic data warehousing
theory.

§ Knowledge of PERL script development.**

§ Experience with Autovisn and Autosys scheduling tools.**

§ Excellent Oral and written communication skills and positive
attitude.**



Position 3

*Informatica Developer (Group-A)- L1*

*Salary: 55-65K plus benefits*

*No of People Required: 2*

*All shifts*

§ 3-5 yrs experience in Informatica Power Center v 8.x**

§ Sound Experience in scheduling, monitoring and fixing production
issues in DW environment.**

§ Good knowledge and experience working with UNIX and must be able
to write complex shell/korn/awk scripts.**

§ Good knowledge and experience in working with Financial Data
Warehouse.**

§ Sound knowledge of DW Concepts/Methodologies and ETL Concepts.**

§ Experience in writing complex SQL/PL-SQL.**

§ Experience in various databases ORACLE/DB2 and database design
concepts**

§ Exposure on Testing methodologies, creating test plan, test cases
and various methods of testing.**

§ Experience with Autovisn and Autosys scheduling tools.**

§ Must be able to troubleshoot production issues independently.**

§ Excellent oral and written communication skills and positive
attitude.**

Warm Regards

*Mohan*

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{Tek-Professionals} Urgent openings

[MOHAN KRISHNA]

We need local candidates preferably or candidates who can come for a
face-to-face interview and relocate on their own cost. All these positions
are in Cary, NC.



Position 1

Service Desk Manager

Salary: Up to 75K plus benefits

   - Should be a US Citizen and have diverse US experience
   - Should have 8+ years of experience in Managing Service Desk with sound
   *knowledge of ITIL* and preferably possess relevant certifications
   - Should have worked in *EUC engagements in an off shoring/Managed
   services environment* with clear focus on adding values to the
   engagements managed.
   - Excellent communicator who can assist in Sales/presales calls
   - Excellent people management Skills
   - Should be flexible in working hours and open to travelling
   - Also preferably should have run a shared service desk in the
   outsourcing company.


Position 2

*Sr Cognos Developer \ Administrator (Group-C)  (MUST BE BOTH A DEVELOPER
AND ADMIN – CERTIFICATION IS PREFERRED)*

*Salary: 75-80K plus benefits*

*No of People Required: 1*

*Shift – 8:00 AM – 5:00 PM*

* *

§ 7+  yrs  deep experience in IBM Cognos Production (Cognos
8.3/FM/Transformer/Report Studio/Analysis Studio)**

§ Good knowledge and experience in working with Financial Reporting
environment.**

§ Sound knowledge of DW Concepts/Methodologies and Reporting
Concepts.**

§ Sound knowledge in Relational and OLAP concepts and methodologies.
**

§ Experience in writing complex SQL.**

§ Experience as Back-end in ORACLE database and database design
concepts**

§ Exposure on Testing methodologies, creating test plan, test cases
and various methods of testing.**

§ Sound experience design  developing complex Reports, Framework
Manager and Cognos CUBES in Cognos 8.x environment.**

§ Must have experience as Cognos Administrator and resolve
administrative issues independently.**

§ Experience in installing, configuring and administration of IBM
Congos 8.4 on Windows OS Platform.**

§ Must be able to analyze the performance issue and resource the
same.**

§ Must have exposure on production environment and can provide
support.**

§ Must be able to troubleshoot issues independently.

§ Expert in administration and configuration of Cognos Application
Servers, Content Manager, Gateway and Transformer

§ Experience with data warehousing/database concepts

§ Hands-on experience administering, deploying and maintaining
models, reports, and cubes using Cognos 8 Studios and Transformer and
PowerPlay

§ Understanding and in depth knowledge of OLAP solutions and OLAP
Modeling

§ In depth knowledge of SQL

§ Adept in using performance tuning and optimization techniques to
troubleshoot reporting issues

§ Knowledge of Cognos Security - Access Manager

§ Strong Oral and written communications skills

§ Ability to develop and communicate training packages for knowledge
transfer

§ Development Experience, General Administration and Configuration
understanding. Good understanding of relational structures, dimensional
structured query language, reporting techniques and basic data warehousing
theory.

§ Knowledge of PERL script development.**

§ Experience with Autovisn and Autosys scheduling tools.**

§ Excellent Oral and written communication skills and positive
attitude.**



Position 3

*Informatica Developer (Group-A)- L1*

*Salary: 55-65K plus benefits*

*No of People Required: 2*

*All shifts*

§ 3-5 yrs experience in Informatica Power Center v 8.x**

§ Sound Experience in scheduling, monitoring and fixing production
issues in DW environment.**

§ Good knowledge and experience working with UNIX and must be able
to write complex shell/korn/awk scripts.**

§ Good knowledge and experience in working with Financial Data
Warehouse.**

§ Sound knowledge of DW Concepts/Methodologies and ETL Concepts.**

§ Experience in writing complex SQL/PL-SQL.**

§ Experience in various databases ORACLE/DB2 and database design
concepts**

§ Exposure on Testing methodologies, creating test plan, test cases
and various methods of testing.**

§ Experience with Autovisn and Autosys scheduling tools.**

§ Must be able to troubleshoot production issues independently.**

§ Excellent oral and written communication skills and positive
attitude.**

Warm Regards

*Mohan*

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{Tek-Professionals} Need WebFocus developers who have Cognos experience

[MOHAN KRISHNA]

Need the following -
Cognos developer
5 - 7 years of experience with Cognos and focus with framework tools and
dashboard tools.
Must be very strong as no training will be provided. Need someone that come
in and start work from day one.
12 month contract.

Webfocus developer -
JD below, but should be able to develop SQL and focus from scratch. Should
have experience with SQL, HTML, JavaScript, XML, and Ajax. Should have very
good communication skills, DB2, experience with dashboard reporting and
graphics. Very strong developer...again should have a minimum of 5 years. As
far as cubes, this is a nice to have and just need knowledge of.

Will have many other positions coming open that will be a hybrid of these
two positionsmeaning that some of the positions will have 1/2 on Cognos
and 1/2 on Focusothers will lean more one way and some the other.

All the positions are located in Melville, NY and will be a minimum of 6
months, but the ones that are open right now are 12 month contracts!  Please
send me anyone that may be interested and I will get them over for
consideration ASAP upon review. Thanks!





Warm Regards ?

*Mohan Krishna Sanapathi*

*Xpert**Tech Inc*

*Certified Minority Owned Business **Enterprise*

400 W Cummings Park, Suite#5450A Woburn, MA-01801
Email: mo...@xperttech.com
Phone: 781-787-0045
Fax: 978-405-5040
www.xperttech.com

Sr. Java Designer/ Developer

[MOHAN KRISHNA]

*Role:*Sr. Java Designer/ Developer

*Exp:* 6+ yrs

*Skills:*   Java 5.0, OOAD, Strong know-how of J2EE design
patterns, EJB, MDB, JSF, Web Services (must), WSDL, XML, XSD, Drools (nice
to have), iBatis  or relevant ORM tool (nice to have), SQL, Spring core,
XML-2-java binding frameworks like Castor/XMLBeans or JAXB

*Environment:*   Rational Application developer, Websphere 6.1

*Location: *Des Moines, IA

*Start Date:   *Immediate

*Duration:  *long term (initial 6 months)

 Rate: $38/hr the best

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{Tek-Professionals} Sr. Java Designer/ Developer

[MOHAN KRISHNA]

*Role:*Sr. Java Designer/ Developer

*Exp:* 6+ yrs

*Skills:*   Java 5.0, OOAD, Strong know-how of J2EE design
patterns, EJB, MDB, JSF, Web Services (must), WSDL, XML, XSD, Drools (nice
to have), iBatis  or relevant ORM tool (nice to have), SQL, Spring core,
XML-2-java binding frameworks like Castor/XMLBeans or JAXB

*Environment:*   Rational Application developer, Websphere 6.1

*Location: *Des Moines, IA

*Start Date:   *Immediate

*Duration:  *long term (initial 6 months)

 Rate: $38/hr the best

Need UI Developer

[MOHAN KRISHNA]

Job Title: U/I Developer

Location: Waltham, MA

Length: 4-6 Months



5+ years of strong Web UI development experience for Java based mid to
high-scale Internet web sites.

Strong CSS, Ajax and Web UI development skills with proficiency in modern
Javascript/Ajax Toolkits - JQuery, Yahoo UI, Dojo.
Development experience in a templating language (Freemarker/Velocity)
integrating with Java based server environment/technologies - J2EE, Spring,
JBoss/Tomcat.
Experience with E-Commerce, B2B, B2C Internet Web Sites, Portal is a plus.
Motivated individual with ability to work independently and collaborate well
within a team.
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{Tek-Professionals} Need UI Developer

[MOHAN KRISHNA]

Job Title: U/I Developer

Location: Waltham, MA

Length: 4-6 Months



5+ years of strong Web UI development experience for Java based mid to
high-scale Internet web sites.

Strong CSS, Ajax and Web UI development skills with proficiency in modern
Javascript/Ajax Toolkits - JQuery, Yahoo UI, Dojo.
Development experience in a templating language (Freemarker/Velocity)
integrating with Java based server environment/technologies - J2EE, Spring,
JBoss/Tomcat.
Experience with E-Commerce, B2B, B2C Internet Web Sites, Portal is a plus.
Motivated individual with ability to work independently and collaborate well
within a team.

Hotlist of Consultants Available with me...

[MOHAN KRISHNA]

  ARCHANA GUJARATHI ,  Archana-Cobol-Mainframe ,  Torrance  -  California .
 Request 
Resumemo...@xperttech.com?subject=request%20resume%20of%20archana%20%20gujarathi%20[xpertemp250]
Total
Experience 6.5 Year(s) Core Skills Endevor, XPEDITER, File-Aid, CHANGE
MANDB2, VSAM, CICS, COBOL, ISPF, JCL, TSO, Customer Information Control
System, Job Control Language, Internet Service Providers Forum Primary
Skills DB2, Oracle, Sybase, VSAM, CICS, COBOL, ISPF, JCL, UNIX, TSO, CA-7,
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RE: Unable to boot linux on Xilinx ML403 board

[Mohan Krishna T]

I have tried the option you have suggested but couldn't boot successfully. I
tried to debug where exactly the kernel is getting hanged. I could found
that its hanging in gunzip() function call. It is never coming out of loop
that decompress the ramdisk image. 

Any suggestions? 

Thanks in advance...

Regards
Mohan Krishna T


-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of
Peter Ryser
Sent: Monday, September 25, 2006 9:46 PM
To: linuxppc-embedded@ozlabs.org
Subject: Re: Unable to boot linux on Xilinx ML403 board


avail ram: 0077 0800
  


The ML403 only has 64 MB of RAM, ie. 0x0400. For a start you can 
change the amount of memory Linux thinks it has available by adding
mem=0x400
to the kernel command line like
Linux/PPC load: console=tty1 console=ttyS0,9600 ip=off root=/dev/ram 
rw mem=0x400

Later, you want to change xparameters*.h in arch/ppc/platforms/xilinx_ocp

- Peter



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RE: Unable to boot linux on Xilinx ML403 board

[Mohan Krishna T]

The zImage.initrd.elf is of size 3.4MB. I am getting hanged only when I am
using DMA for Ethernet. Booting is going fine when I am using FIFO Mode.


Thanks
Mohan Krishna

-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Grant Likely
Sent: Tuesday, September 26, 2006 7:09 PM
To: Mohan Krishna T
Cc: Peter Ryser; linuxppc-embedded@ozlabs.org
Subject: Re: Unable to boot linux on Xilinx ML403 board

On 9/26/06, Mohan Krishna T [EMAIL PROTECTED] wrote:
 I have tried the option you have suggested but couldn't boot successfully.
I
 tried to debug where exactly the kernel is getting hanged. I could found
 that its hanging in gunzip() function call. It is never coming out of loop
 that decompress the ramdisk image.

How large is you zImage.embedded?

-- 
Grant Likely, B.Sc. P.Eng.
Secret Lab Technologies Ltd.
[EMAIL PROTECTED]
(403) 399-0195



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RE: Unable to boot linux on Xilinx ML403 board

[Mohan Krishna T]

I am using the same image for FIFO mode. It is booting without any problem.
The problem is only coming in DMA mode. Is there any restriction on size if
it is DMA mode? Or should I tale any extra care of RAMDISK if I am in DMA
mode?

Thanks and Regards
Mohan Krishna T

-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Grant Likely
Sent: Tuesday, September 26, 2006 9:26 PM
To: Mohan Krishna T
Cc: Peter Ryser; linuxppc-embedded@ozlabs.org
Subject: Re: Unable to boot linux on Xilinx ML403 board

On 9/26/06, Mohan Krishna T [EMAIL PROTECTED] wrote:
 The zImage.initrd.elf is of size 3.4MB. I am getting hanged only when I am
 using DMA for Ethernet. Booting is going fine when I am using FIFO Mode.

You may be hitting the 4MB upper limit for zImages.  I had the same
problem with slightly smaller images, and it would hang at (seemingly)
random places everytime I changed something.  Making the image smaller
made the problem go away.

-- 
Grant Likely, B.Sc. P.Eng.
Secret Lab Technologies Ltd.
[EMAIL PROTECTED]
(403) 399-0195



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Unable to boot linux on Xilinx ML403 board

[Mohan Krishna T]

Hi all,
I am working on Xilinx ML403 board. I am trying to boot with
Linux 2.4. My hardware includes a UART16550 and EMAC (OPB Ethernet) in
scatter gather mode. When I boot the linux. It is coming up to the following
point and hanging indefinitely. I have pasted my booting sequence below:


-
loaded at: 0040 0076F1E4
board data at: 0076C13C 0076C154
relocated to:  00405638 00405650
zimage at: 00405C03 004AE1BF
initrd at: 004AF000 0076B17B
avail ram: 0077 0800

Linux/PPC load: console=tty1 console=ttyS0,9600 ip=off root=/dev/ram rw
Uncompressing Linux...done.
Now booting the kernel
Linux version 2.4.20_mvl31-ml403 ([EMAIL PROTECTED]) (gcc version 3.3.1
(MontaVista 3.3.1-3.0.10.0300532 2003-12-24)) #78 Mon Sep 25 16:53:39 IST
2006
Xilinx Virtex-II Pro and Virtex-4 port (C) 2002-2004 MontaVista Software,
Inc. ([EMAIL PROTECTED])
On node 0 totalpages: 32768
zone(0): 32768 pages.
zone(1): 0 pages.
zone(2): 0 pages.
Kernel command line: console=tty1 console=ttyS0,9600 ip=off root=/dev/ram rw
Xilinx INTC #0 at 0x4120 mapped to 0xFDFFE000
Calibrating delay loop... 199.88 BogoMIPS
Memory: 125080k available (1188k kernel code, 396k data, 56k init, 0k
highmem)
Dentry cache hash table entries: 16384 (order: 5, 131072 bytes)
Inode cache hash table entries: 8192 (order: 4, 65536 bytes)
Mount-cache hash table entries: 2048 (order: 2, 16384 bytes)
Buffer-cache hash table entries: 8192 (order: 3, 32768 bytes)
Page-cache hash table entries: 32768 (order: 5, 131072 bytes)
POSIX conformance testing by UNIFIX
Linux NET4.0 for Linux 2.4
Based upon Swansea University Computer Society NET3.039
Initializing RT netlink socket
OCP uart ver 1.6.2 init complete
LSP Revision 42
ikconfig 0.5 with /proc/ikconfig
Starting kswapd
Disabling the Out Of Memory Killer
Journalled Block Device driver loaded
devfs: v1.12c (20020818) Richard Gooch ([EMAIL PROTECTED])
devfs: boot_options: 0x1
pty: 256 Unix98 ptys configured
Serial driver version 5.05c (2001-07-08) with no serial options enabled
ttyS00 at 0xfdfff003 (irq = 29) is a 16550A
RAMDISK driver initialized: 16 RAM disks of 16384K size 1024 blocksize
loop: loaded (max 8 devices)
eth0: using sgDMA mode.
eth0: No PHY detected.  Assuming a PHY at address 0.
eth0: Xilinx EMAC #0 at 0x40C0 mapped to 0xCA00D000, irq=31
eth0: id 2.0l; block id 11, type 1
NET4: Linux TCP/IP 1.0 for NET4.0
IP Protocols: ICMP, UDP, TCP, IGMP
IP: routing cache hash table of 1024 buckets, 8Kbytes
TCP: Hash tables configured (established 8192 bind 16384)
NET4: Unix domain sockets 1.0/SMP for Linux NET4.0.
RAMDISK: Compressed image found at block 0

--

Thanks in advance..

Regards
Mohan Krishna



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[gay_bombay] i like the company of transvestite sisters

[mohan krishna]

Hi miss,
If given a chance i would make friendship with you. I am from Bangalore and live in 
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I was living in Chennai and I use to go out with my lingeris on and a tight jean and 
girly top and i use to wear a jacket. I love to be dressed by some one and i like the 
company of transvestite sisters and i had interaction with Sahodara of Madras but not 
very closely as that was the time i moved out to Dubai. Pl do in touch with me.
Ski



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java.io.UTFDataFormatException --- ORION1.5.2

[mohan krishna]

Hello Everybody,

Orion1.3.8 is the current version of ORION we are using at this moment.
Now we upgraded the older version with version 1.5.2.
When i start the service of ORION it throws the following Exception ...

java.io.UTFDataFormatException
at java.io.DataInputStream.readUTF(Unknown Source)
at java.io.DataInputStream.readUTF(Unknown Source)
at com.evermind._ek._hy(Unknown Source)
at com.evermind._cv._hy(Unknown Source)
at com.evermind._cyb.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)

even though i change the server.xml by removing the principals tag.
JDK1.3.1 is being used with ORION ...

Any suggestions ... 

Mohan Krishna
 

How to run ORION on different ports

[mohan krishna]

Hello,
I am interested to run orion on multiple ports...

Consider the following scenario :

There is only one single server for production and development.
Production sites are represented by virtual hosts, each one runs a
single web site. Each sites of these only runs it's own "default" web
application. 
Development is handled by default web site which runs under port 8080.
Now i want to run one site on 8080 and other one on different port say 80.
What are the things i have to do to achieve this

Any input would be greatly appreciated
Thanks
Mohan Krishna


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How to install 128 bit cert....

[mohan krishna]

Hi to all,

I have been following the how-to "Setting up a secure site using ssl" on
Windows NT+jdk 1.3

and I get the following error
C:\certificateskeytool -keystore keystore -keyalg "RSA" -import
-trustcacerts -
file my.host.com.cer -storepass 123456
keytool error: java.security.cert.CertificateException: Unsupported
encoding

1.Plz let me know whether the problem is with ORION or with the cert?
2.Is ORION1.3.8 in a position to support 128bit encryption?
3.Have we to download / set any other things to make Orion to use 128bit?


I have tried with Netscape 4.7 and Explorer 5.


Any idea?




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How to install 128 bit cert....

[mohan krishna]

Hi to all,

I have been following the how-to "Setting up a secure site using ssl" on
Windows NT+jdk 1.3

and I get the following error
C:\certificateskeytool -keystore keystore -keyalg "RSA" -import
-trustcacerts -
file my.host.com.cer -storepass 123456
keytool error: java.security.cert.CertificateException: Unsupported
encoding

1.Plz let me know whether the problem is with ORION or with the cert?
2.Is ORION1.3.8 in a position to support 128bit encryption?
3.Have we to download / set any other things to make Orion to use 128bit?


I have tried with Netscape 4.7 and Explorer 5.


Any idea?




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Re: [Re: AW: Stand-alone-client]

[mohan krishna]

Hi,

Will u please give the code i have to embed in my satand-alone application..to
access EJBs which r running under Orion...
and what r the files i have to modify to run this application...

this is the code i embed in my application to get the connection...


Properties props = new Properties();
 
props.put("java.naming.factory.initial","com.evermind.server.rmi.RMIInitialContextFactory");
  props.setProperty("java.naming.provider.url","ormi://localhost/nbiz1");
  props.setProperty("java.naming.security.principal","adminops");
  props.setProperty("java.naming.security.credentials","thunderbird");
  InitialContext ic = new  InitialContext(props);
  Object objref = ic.lookup("niagabiz.member.temp.TempMemberEJB"); 


if u run this code i am getting 
look up error:
java.net.ConnectException:connection refused:no further information


this is the class path i set...

set classpath=c:\jdk1.3\lib;
C:\jdk1.3\jre\lib\ext\orion.jar;C:\jdk1.3\jre\lib\ext\ejb.jar;C:\jdk1.3\jre\lib\ext\jndi.jar;
set path=c:\jdk1.3\bin;
 
any one can help me to sort out this problem...

any help will be appreciated...
Thankz
MohanKrishna




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Re: [Re: AW: Stand-alone-client]

[mohan krishna]

Hi,

Will u please give the code i have to embed in my satand-alone application..to
access EJBs which r running under Orion...
and what r the files i have to modify to run this application...

this is the code i embed in my application to get the connection...


Properties props = new Properties();
 
props.put("java.naming.factory.initial","com.evermind.server.rmi.RMIInitialContextFactory");
  props.setProperty("java.naming.provider.url","ormi://localhost/nbiz1");
  props.setProperty("java.naming.security.principal","adminops");
  props.setProperty("java.naming.security.credentials","thunderbird");
  InitialContext ic = new  InitialContext(props);
  Object objref = ic.lookup("niagabiz.member.temp.TempMemberEJB"); 


if u run this code i am getting 
look up error:
java.net.ConnectException:connection refused:no further information


this is the class path i set...

set classpath=c:\jdk1.3\lib;
C:\jdk1.3\jre\lib\ext\orion.jar;C:\jdk1.3\jre\lib\ext\ejb.jar;C:\jdk1.3\jre\lib\ext\jndi.jar;
set path=c:\jdk1.3\bin;
 
any one can help me to sort out this problem...

any help will be appreciated...
Thankz
MohanKrishna




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cannot instantiate class.....

[mohan krishna]

Hi guys,
When i try to access my EJBs(running under Orion) from satand-alone
client...this is the error i am getting...

"cannot instantiate
class:com.evermind.server.ApplicationClientInitialContextFactory"...

the follwing is the code that i added in my client program
 
props.setProperty("java.naming.factory.initial","com.evermind.server.ApplicationClientInitialContextFactory");
  props.setProperty("java.naming.provider.url","ormi://localhost/nbiz1");
  props.setProperty("java.naming.security.principal","adminops");  
  props.setProperty("java.naming.security.credentials","thunderbird");
  InitialContext ic = new  InitialContext(props);

except this code i din't do any thing in the server-side or in the
client-side...what else i have to set to work this...

plz reply me soon if any one implements this...

any help will be appreciated...

Regards
MohanKrishna



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How to test my SSL works or Not ?

[mohan krishna]

Hi all,

Recently i implemented 128bit certificate (from verisign) to my E-commerce
Application but at the time of installing the cert with the following
command...

keytool -keystore keystore -keyalg "RSA" -import -trustcacerts -file
my.host.com.cer

i got this message...
"keytool error:java.security.cert.CertificateException:unsupported
encoding"...even though it gives this error i got the end result.
i implemented that to my application...

but i am not sure whether my ssl certificate is working or not?
how can i check whether my application is under secure?
when i run this under https:// the lock is not broken...
but the suspect is i got some error at the time of getting the
certificate(Error is mentioned above)...
So plz anyone help me how i test my application?

plz any help is appreciated..

Thankz
MohanKrishna
 


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Orion/SSL with 128bit-Thawte-Cert

[mohan krishna]

Hi all...
i want  to implement 128bit cert to my application but i am not sure that
whether orion can support 128 bit with its default jsse...
if doesn't which jsse we have to download and what r the steps i have to
follow...
when i am trying to installing the 128bit certificate it is giving the
following error
keytool error:java.security.cert.certificateException:unsupported encoding...
i am not sure that is the problem with orion or with jsse...
what the steps i have to follow to make orion to use 128bit...

any help is appreciated...
thankz
mohan



Sach Jobb [EMAIL PROTECTED] wrote:
No problem.

Well, other have got the Thawte SuperCert working before so i think you
are in good shape. 

I'm not sure if this is the cause of your error message, but the version
of the JSSE that comes with orion will only do 40bit encryption so you
will have to go to http://java.sun.com/products/jsse/ and download the
1.0.2 NOT FOR U.S. EXPORT version. This version will support 128bit
encryption. Simply follow the instructions that come with the download to
install.

You will _might_ have to regenerate your certificate request.

good luck,
sach


On Tue, 9 Jan 2001, Klaus Thiele wrote:

 thanks for responding.
 
 it's a "Thawte SuperCert" (128 bit(?))
 i'm using the JSSE that comes with orion.
 
 thanks
klaus
 
 Sach Jobb wrote:
 
  128bit is a try-your-luck situation. I got it to work with the verisign
  netscape 128bit and i heard someone on the list say that they got the
  "supercert" (or something like that) with thawte to work too.
  
  Sounds like it can't read the keystore, but i think that's a different
  error message. Klaus, can you give us more info on the type of cert you
  have, which version of the JSSE you are using, etc?
  
  thanks,
  sach
  %s/windows/linux/g
  
  On Tue, 9 Jan 2001, Juan Lorandi (Chile) wrote:
  
  
  won't it be a 128 bit certificate which orion can't
handlewon't
  it?
  
  JP
  
  -Original Message-
  From: Klaus Thiele [mailto:[EMAIL PROTECTED]]
  Sent: Martes, 09 de Enero de 2001 13:09
  To: Orion-Interest
  Subject: Urgent: Orion/SSL with Thawte-Cert
  
  
  Hello,
  
  after a long time i've got now the real Cert from Thawte.
  
  but now I get following error when orion comes up:
  
  Error starting HTTP-Server: Unable to intialize SSLServerSocketFactory 
  'com.evermind.ssl.JSSESSLServerSocketFactory': Unrecoverable key error: 
  Cannot recover key
  
 [...]
 
 
 --
 Klaus Thiele - Personal  Informatik AG
 mailto:[EMAIL PROTECTED]
 
   "There's got to be more to life than compile-and-go."
 
 




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DMA to user process address space!!!

[Mohan Krishna P]

AFAMUG, all user processes are allocated from the
virtual memory. so DMA to that doesn't make sense. but
is there some way, i can let the kernel know i am
DMAing to an address location and hence keep it in
main memory  until some x seconds??   
   
  
here is why we need this. we are writing software for
a multi-port switch. it can be used in both managed
and unmanaged modes. in managed mode, switch is
connected to host through PCI interface. all packets
that can't
be switched are sent to host. with cach such packet,
switch passes information like the source port of the
packet, it's priority level, whether the packet is
tagged or not etc.

in normal operation, driver discards this information
and sends the packet to ether_input(). for testing
purpose, we would like to have user-level process,
which receives packets bypassing the ip stack(it isn't
freeBSD way of doing things, but this is only for
testing) and verifies the information. 

if the above thing can't be done, then we will have to
move the user-process functionality to driver.

Thanks,
mohan


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semaphores inside kernel???

[Mohan Krishna P]

hi,

i am implementing a pseudo-devicer, many instaces of
this device may be
active,  all have to share a resource. all instances
have to synchronize
their access to the resource. trying to implement
this, i ended up with a
less powerful version of semaphores. since the
resultant code became
little complex, i want to replace that with the more
generic semaphores. 

i checked the include files, but i couldn't find any
semaphore
functions(semget,semctl,semop) which are specific or
meant for use inside
kernel. does it mean they aren't available inside
kernel?? if i am wrong,
can someone suggest me how to use them??

thank you,
mohan


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