Jack Nicholson

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since Sep 07, 2002
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Recent posts by Jack Nicholson

Hello,

I wanted to use sun Java API in my signed applet.
I need this for writing & executing a piece of code on client side

I am already using netscape.security.PrivilegeManager (Netscape) & com.ms.security.PolicyEngine (IE6.0)classes for Verisign Security Popup message before reading/writing/executing a file on client side.

How should i do the same using Sun Java API (jdk1.3 or greater) ?

thanks
15 years ago
Hello,

I wanted to use sun Java API in my signed applet.
I need this for writing & executing a piece of code on client side

I am already using netscape.security.PrivilegeManager (Netscape) & com.ms.security.PolicyEngine (IE6.0)classes for Verisign Security Popup message before reading/writing/executing a file on client side.

How should i do the same using Sun Java API (jdk1.3 or greater) ?

thanks
15 years ago
Hi All,

I want to know where i can get some good stuffs(related to programming & design documents) for MQSeries.


thanks in advance
15 years ago
hi,
I am also facing similar problem.
This is problem reported due to JMS Server.
Cause the warning tells about JMS Server port only.
With me I am not facing OutOfMemoryError.
Navjeet, let me know were you able to solve ur problem or not.
Is there any tuning to be done on JMS server ?
15 years ago
Thanx Chao Wang, Karthik Prabu.
But I was able to do that without any SSL configuration !!
I just changed status of Host Verification to NONE.
& that worked for me.
As I am not doing this for any production environment, it is safe.
But in realtime production environment, hostname verification is required for security purposes.
15 years ago
Hi,

I am facing one problem, when monitoring NodeManager.
I am using Weblogic 8.1
On browser it says
[[NodeManager:300033]Could not execute command ping on the node manager. Reason: weblogic.nodemanager.NodeManagerException: [CommandInvoker: Failed to send command: 'ping to server 'null' to NodeManager at host: '15.76.221.205:8002' with exception [Security:090504]Certificate chain received from nta21205.india.hp.com - 15.76.221.205 failed hostname verification check. Certificate contained nta21205 but check expected nta21205.india.hp.com. Please ensure that the NodeManager is active on the target machine].]
& on console
it says
<Feb 21, 2003 1:21:23 PM GMT+05:30> <Warning> <Security> <BEA-090482> <BAD_CERTI
FICATE alert was received from nta21205.india.hp.com - 15.76.221.205. Check the
peer to determine why it rejected the certificate chain (trusted CA configuratio
n, hostname verification). SSL debug tracing may be required to determine the ex
act reason the certificate was rejected.>
I am unable to get the error
please help
Thanx
16 years ago
Hi,
I am trying to page the records in d/b using java.sql package.
I need 2 records on each subsequent fetch.
I got first set of records, but i could not be able to fetch next two records from d/b.
This is my program hereafter..


Thanx in advance.
hi,
I am having reqmt that
I am having method which is returning One ArrayList.
But I don't want anybody should be able to change/modify that ArrayList.
What to be do for that ?
Thanx in adv.
16 years ago
Hi,
I am encapsulating the data into a Vector in EJB for passing to JSP-BEAN(front end).
But as vector has synchronized access, & ArrayList is not synchronized,
vector is somewhat costly
May I know wheather it is safe to use it into EJB's.
Thanx in advance
I need one clarification in OOPS,
I am illustrating Polymorphism with following example
There is one class - 4SIDE
& sub Classes - Square, rectangle , parallelogram
extends 4SIDE class to inherite properties such as all are having 4 sides.
but I am illustarting polymorphism example with inheritance in picture
although behavoiur is like polymorphic, internally we are using inheritance for the same.
Is there any example where inheritance is not in picture ??
& where it is mostly used in practical scenario..?
can some body explain me pls?
I need thought on this.
Thanx
16 years ago
HI Dan,
You are getting this error because the Application Server is not able to connect to Database repository of WebSphere.
Make sure the connection string is correct.
16 years ago
Hi,
I am facing one problem
I am using WebSphere 5.0 AppServer & EJB v2.0 spec
During lookup using Local Interfaces to other EJB class, it is giving problem.
The Same problem gets solved when i used remote interfaces but didnot worked with Local interfaces.
It is giving NullPointerException. on Lookup Statement in EJB.
Can somebody help me out of this pls..??

Thanx in Advance.
16 years ago
Hello Guys,
I am using singleton Class for getting the connection from Datasource in EJB.
When I am creating new Connection I am giving initial connection as 1, maximum connections as 10, & increment it by 1.
In my application, i am getting the connection before performing any d/b operation & releasing connection as soon as d/b operation is performed.
I am pondering over is that
When I am using Singleton class there should be only one connection available, at the pool.
But when i am running the application,
that means at anytime only one connection should be active in the pool & available connection should be reused always.
But
I found that
there are more than One connection in the pool when i observed it from
"Monitor All Active pools" Option in WebLogic7.0 App Server
Can any body tell me How this can happen?


[ April 30, 2003: Message edited by: Jack Nicholson ]
Hi,
Recently, I was faced with some questions
which i fail to answer.
can anybody tell me the right answer?
1) In EJB, we are using Custom Objects, which implements Serializable interface, for persisting the data.
As it is marker interface, no method is defined in it.
But still how the Custom object class uses readObject() & writeObject() method for saving state? & it is possible just by implementing marker interface only?
What exactly it does internally?
can any body tell me?
Thanx in advance.
Hi,
In wanted to know about WebSphere4.0 repositories.
I know that while installation WebSphere creates repositories on d/b.
Can Any body tell me the source & share some information?
Thanx
17 years ago