Sun Java Programmer Plus Certification

Is this being offered anytime in the future?

jwenting wrote:
and what would that be? Another piece of crappy paper telling you're "better" at grinding factoids into your head than someone who merely succeeded in grinding enough useless factoids into his head to guess right on enough of the questions on the SCJP exam?
Another thing for resume stuffers to put on their list of useless certs?Actually looks like it will be based on programming rather than answering odd questions:
[http://www.selikoff.net/2009/07/06/sun-java-programmer-plus-certification/]

Similar Messages

How is Sun Java & IBM XML Certifications helpful

Sun Java Certifications
http://educational-world.blogspot.com/2007/06/sun-java-certifications.html
IBM � XML Certification
http://educational-world.blogspot.com/2007/10/ibm-certified-solution-developer-xml-11.html

Sun Java Certifications
http://educational-world.blogspot.com/2007/06/sun-java-certifications.html
IBM � XML Certification
http://educational-world.blogspot.com/2007/10/ibm-certified-solution-developer-xml-11.html

Sun Java Certification

Hi All,
I'm planning to do Sun Java Certified Architect certification. Currently I'm working as Java Developer.
Do i need to complete the SJCP (Sun Java Certified Programmer) then proceed to Architect ? Can i do the architect certification Directly? What is the eligibility ?
Can anybody please give me the web-sites where i can get Sample Questions, Tutorials, Articles, Document for Java Certification?
Thanks,
J.Kathir

Hello J.Kathir
I just joined this forum and this is a my first post. The best site that i ever found is a certpaper dot com. You will find many practice test, study guide, new questions and answers and study tips. This site allow you to download pdf books and other exam related study material. This is not a dumps providing site but a site that guides you about the IT certifications.

Sun java certified programmer

Hi guys;
I'm looking forward to pass the exam for the sun java certified programmer...I'm now in the first phase of preparation for this certification...I want to be able to prepare this exam by some free Mock exams on the Net...I need some interesting and quit helpfull resources to help me prepare this certificate in the best way...If you have any links or suggestions let me know about...
Many thanks
othman.

hi freind
i have used following websites to prepare for scjp
www.javaranch.com
ww.examsguide.comBTW, did you pass the scjp exam :)

How can i become Sun Certified Java Programmer?

Dearl All,
Can anyone tell me how can i become Sun Certified Java Programmer?
Thanks in Advance..
thanks & Regards,
Mark Spenser
[web design los angeles|http://www.plaveb.com]

No link sigs in here please.
See this link for all information needed:
[http://www.sun.com/training/certification/]

Is it necessary to have an scjp certification to be a java programmer

hi i have been programming in java for quite some time now , i have heard a lot about SCJP .
Right now i am in college doing my grad. and java is not a part of our curriculum
i am quite comfortable with java and want to make my career as a java programmer.
i just want to know one thing from some professionals on the forum that is it very necessary to have an SCJP Certification if i want to apply in some big companies as a java programmer since i wont be having any other certifications that i have done java .
please tell me if it would be good for me if i do an SCJP course
Regards

hi i have been programming in java for quite some
time now , i have heard a lot about SCJP .
In that case you should already know the answer to your stated question...
i just want to know one thing from some professionals
on the forum that is it very necessary to have an
SCJP Certification if i want to apply in some big
companies as a java programmer since i wont be having
any other certifications that i have done java .
Can't hurt, probably won't help either.
please tell me if it would be good for me if i do an
SCJP course
Formal training never hurts.

Sun certified java programmer

Hi,
I want to become sun certified java programmer.what is the fees structure for this test in uk ? Are they providing reading materials ? where i can get more information.
Regards
Donald
[Electronic Cigarettes|http://www.juicycigs.co.uk]

donold wrote:
Hi,
I want to become sun certified java programmer.what is the fees structure for this test in uk ? Are they providing reading materials ? where i can get more information.Don't post link-spam. I'm blocking your post, and I'll lock your account if you do it again.
Kaj

How Do I Register for Sun Java Java Certification?

I am preparing for Sun Java Certification and would like to know where
to go for resgitration.
Please point me to a link with the info.
Thank you

Do you have an AppleID? When you go to iMessage it should ask for your AppleID for registration.

Verify A Contractor Is A Sun-Certified Java Programmer

Hi,
Is there any place on the Sun website -- or any other way -- that I can verify that someone is in fact a Sun-Certified Java Programmer?
Thanks,
hotquietday

Professional student, indeed. 2/3 of the people I work with have the cert - one of them is my manager (he used to push bytes, so that's not as odd as it may seem). Did their performance increase after studying for it? You betcha - because before the studying they were just using Java, not "grokking" it.
On the other hand, I've interviewed candidates with the usual alphabet - and they could not write a single line of code on a whiteboard because it wasn't an IDE! They could parrot, from the books, exactly what the GC does, but did not understand it.
The solution to the OP's question is - take it at face value. But you must also certify, for your own self, that the person does know what they're doing. If they can prove that they are capable, then the cert is probably "worth" something. If not... <shrug>

Does sun certified programmer really matter?

Hi,all. i am a first year uni student in Australia, currently doing B.Comp.Sci. i am just wondering how the importance would be while seeking for programmer job, if i'm a sun certified programmer. i just couldnt really make up my mind whether to spending time on passing the certified programmer test or i'd better put my efforts on improving my programming skill and extending all sorts of computing knowledges. Any suggestions would be greatly appreciated.

'A few' meaning some, not all. I do know a guy who
just got his certification purely to get his foot in
the door of a company, who was very very good. My
arguement is that the exam does not indicate a
excellent programmer. As you for discouraging someone
from finishing University, where did that come from?
or are you simply plaing devils advocate?Ok, I was unnecessarily harsh. I've seen a lot of postings in this forum knocking the Certification process and discouraging people from following it. These seem to be posted by people who have not been through the exams and are commenting based on either a limited sample or a perception about certifications in general.
I have been through the process, with Java & other technologies, and also believe that in the main it is pointless. However, I think that I'm commenting with some authority having actually seen the questions asked and undergone the 'learning-experience' of the process.
The point about the degree was that when I first came into IT, as a fresh-faced graduate, it was still relatively uncommon for developers to have a degree of any sorts, let alone in a related subject. Most had learnt 'on-the-job'. They would take every opportunity to make the point that they'd met 'Grads' before & that they'd always turned out to be crap.
POINT: I've met certified programmers that are crap. Not all certified programmers are crap. I've met graduates who couldn't find their arse with both hands. Not all graduates are muppets.
CONFESSION: I think that I may be subconciously looking for a fight today. Must locate the Lithium soon.

Where to take java exam for Java programmer certified

HI,
I wonder where to take java exam for Java programmer certified?
Regards,
Jason

http://suned.sun.com/US/certification/

Sun Java System Web Server 6.1 SP3 service-j2ee threads problem

Hi,
Sorry my english.
I'm an intermediate Java programmer and a newbie in
the Sun's web servers world.
I'm doing an evaluation of an web applicaction
written in Java Servlets that is
supposed to have a leaking threads problem. We use
SunOS 5.9 (... sun4u sparc SUNW,UltraAX-i2) and
JVM 1.5 Update 4 (the problem is presented too
in SunOS 5.8 and JVM 1.4.2_04).
We have seen, thanks to 'prstat' (PROCESS/NLWP) a
increasing thread's growing in one of the process
that correspond to our web server instance (I'm sure I'm
looking the right process). I have checkout the source
code and it seems like the app doesn't have threads
problems. I have used the Netbeans Profiler and I see a
high number of threads called service-j2ee-x that grows
in congestion moments and never disappear.
Anybody could help me with suggestions?
Thank you very much.

Elvin,
Thankyou, yes I am unfamiliar with debugging Java apps. I got the web server Java stack trace and I have passed this on to the developer.
The web server finally closes the socket connection after the total connections queued exceeds 4096.
There are several hundred entries like this... waiting for monitor entry.. could be a deadlock somewhere?
[15/May/2006:22:01:51] warning ( 3196): CORE3283: stderr: "service-j2ee-506" prio=5 tid=0x04b62a08 nid=0x17a waiting for monitor entry [dd74e000..dd74f770]
[15/May/2006:22:01:51] warning ( 3196): CORE3283: stderr: at com.verity.search.util.JSDispenser.getConnResource(Unknown Source)
[15/May/2006:22:01:51] warning ( 3196): CORE3283: stderr: - waiting to lock <0xe979b2b0> (a com.verity.search.util.JSDispenser)
[15/May/2006:22:01:51] warning ( 3196): CORE3283: stderr: at com.verity.search.DocRead.getDoc(Unknown Source)
[15/May/2006:22:01:51] warning ( 3196): CORE3283: stderr: at com.verity.search.DocRead.getDoc(Unknown Source)
[15/May/2006:22:01:51] warning ( 3196): CORE3283: stderr: at com.verity.search.DocRead.docViewIntern(Unknown Source)
[15/May/2006:22:01:51] warning ( 3196): CORE3283: stderr: at com.verity.search.DocRead.docView(Unknown Source)
[15/May/2006:22:01:51] warning ( 3196): CORE3283: stderr: at au.com.relevance.viewDoc.PdfXmlServlet.performRequest(PdfXmlServlet.java:120)
[15/May/2006:22:01:51] warning ( 3196): CORE3283: stderr: at au.com.relevance.viewDoc.PdfXmlServlet.doGet(PdfXmlServlet.java:141)
[15/May/2006:22:01:51] warning ( 3196): CORE3283: stderr: at javax.servlet.http.HttpServlet.service(HttpServlet.java:787)
[15/May/2006:22:01:51] warning ( 3196): CORE3283: stderr: at javax.servlet.http.HttpServlet.service(HttpServlet.java:908)
[15/May/2006:22:01:51] warning ( 3196): CORE3283: stderr: at org.apache.catalina.core.StandardWrapperValve.invokeServletService(StandardWrapperValve.java:771)
[15/May/2006:22:01:51] warning ( 3196): CORE3283: stderr: at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:322)
[15/May/2006:22:01:51] warning ( 3196): CORE3283: stderr: at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:509)
[15/May/2006:22:01:51] warning ( 3196): CORE3283: stderr: at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:212)
[15/May/2006:22:01:51] warning ( 3196): CORE3283: stderr: at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:509)
[15/May/2006:22:01:51] warning ( 3196): CORE3283: stderr: at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:209)
[15/May/2006:22:01:51] warning ( 3196): CORE3283: stderr: at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:509)
[15/May/2006:22:01:51] warning ( 3196): CORE3283: stderr: at com.iplanet.ias.web.connector.nsapi.NSAPIProcessor.process(NSAPIProcessor.java:161)
[15/May/2006:22:01:51] warning ( 3196): CORE3283: stderr: at com.iplanet.ias.web.WebContainer.service(WebContainer.java:580)
[15/May/2006:22:01:51] warning ( 3196): CORE3283: stderr: at com.iplanet.ias.web.WebContainer.service(WebContainer.java:580)
[15/May/2006:22:01:51] warning ( 3196): CORE3283: stderr: "StandardManager[highlight]" daemon prio=5 tid=0x000f3530 nid=0x1e waiting on condition [e15ff000..e15ffc28]
[15/May/2006:22:01:51] warning ( 3196): CORE3283: stderr: at java.lang.Thread.sleep(Native Method)
[15/May/2006:22:01:51] warning ( 3196): CORE3283: stderr: at org.apache.catalina.session.StandardManager.threadSleep(StandardManager.java:800)
[15/May/2006:22:01:51] warning ( 3196): CORE3283: stderr: at org.apache.catalina.session.StandardManager.run(StandardManager.java:859)
[15/May/2006:22:01:51] warning ( 3196): CORE3283: stderr: at java.lang.Thread.run(Thread.java:534)
[15/May/2006:22:01:51] warning ( 3196): CORE3283: stderr: "WebappLoader[highlight]" daemon prio=5 tid=0x000f3328 nid=0x1d waiting on condition [e16ff000..e16ffc28]
[15/May/2006:22:01:51] warning ( 3196): CORE3283: stderr: at java.lang.Thread.sleep(Native Method)
[15/May/2006:22:01:51] warning ( 3196): CORE3283: stderr: at org.apache.catalina.loader.WebappLoader.threadSleep(WebappLoader.java:1214)
[15/May/2006:22:01:51] warning ( 3196): CORE3283: stderr: at org.apache.catalina.loader.WebappLoader.run(WebappLoader.java:1341)
[15/May/2006:22:01:51] warning ( 3196): CORE3283: stderr: at java.lang.Thread.run(Thread.java:534)
[15/May/2006:22:01:51] warning ( 3196): CORE3283: stderr: "StandardManager[]" daemon prio=5 tid=0x000f2b08 nid=0x1c waiting on condition [e1b7f000..e1b7fc28]
[15/May/2006:22:01:51] warning ( 3196): CORE3283: stderr: at java.lang.Thread.sleep(Native Method)
[15/May/2006:22:01:51] warning ( 3196): CORE3283: stderr: at org.apache.catalina.session.StandardManager.threadSleep(StandardManager.java:800)
[15/May/2006:22:01:51] warning ( 3196): CORE3283: stderr: at org.apache.catalina.session.StandardManager.run(StandardManager.java:859)
[15/May/2006:22:01:51] warning ( 3196): CORE3283: stderr: at java.lang.Thread.run(Thread.java:534)
[15/May/2006:22:01:51] warning ( 3196): CORE3283: stderr: "WebappLoader[]" daemon prio=5 tid=0x000f2900 nid=0x1b waiting on condition [e1c7f000..e1c7fc28]
[15/May/2006:22:01:51] warning ( 3196): CORE3283: stderr: at java.lang.Thread.sleep(Native Method)
[15/May/2006:22:01:51] warning ( 3196): CORE3283: stderr: at org.apache.catalina.loader.WebappLoader.threadSleep(WebappLoader.java:1214)
[15/May/2006:22:01:51] warning ( 3196): CORE3283: stderr: at org.apache.catalina.loader.WebappLoader.run(WebappLoader.java:1341)
[15/May/2006:22:01:51] warning ( 3196): CORE3283: stderr: at java.lang.Thread.run(Thread.java:534)
[15/May/2006:22:01:51] warning ( 3196): CORE3283: stderr: "StandardManager[sitesearch]" daemon prio=5 tid=0x000f1cd0 nid=0x1a waiting on condition [e23ff000..e23ffc28]
[15/May/2006:22:01:51] warning ( 3196): CORE3283: stderr: at java.lang.Thread.sleep(Native Method)
[15/May/2006:22:01:51] warning ( 3196): CORE3283: stderr: at org.apache.catalina.session.StandardManager.threadSleep(StandardManager.java:800)
[15/May/2006:22:01:51] warning ( 3196): CORE3283: stderr: at org.apache.catalina.session.StandardManager.run(StandardManager.java:859)
[15/May/2006:22:01:51] warning ( 3196): CORE3283: stderr: at java.lang.Thread.run(Thread.java:534)
[15/May/2006:22:01:51] warning ( 3196): CORE3283: stderr: "WebappLoader[sitesearch]" daemon prio=5 tid=0x000f1ac8 nid=0x19 waiting on condition [e24ff000..e24ffc28]
[15/May/2006:22:01:51] warning ( 3196): CORE3283: stderr: at java.lang.Thread.sleep(Native Method)
[15/May/2006:22:01:51] warning ( 3196): CORE3283: stderr: at org.apache.catalina.loader.WebappLoader.threadSleep(WebappLoader.java:1214)
[15/May/2006:22:01:51] warning ( 3196): CORE3283: stderr: at org.apache.catalina.loader.WebappLoader.run(WebappLoader.java:1341)
[15/May/2006:22:01:51] warning ( 3196): CORE3283: stderr: at java.lang.Thread.run(Thread.java:534)
[15/May/2006:22:01:51] warning ( 3196): CORE3283: stderr: "StandardManager[search]" daemon prio=5 tid=0x000f0a88 nid=0x18 waiting on condition [e317f000..e317fc28]
[15/May/2006:22:01:51] warning ( 3196): CORE3283: stderr: at java.lang.Thread.sleep(Native Method)
[15/May/2006:22:01:51] warning ( 3196): CORE3283: stderr: at org.apache.catalina.session.StandardManager.threadSleep(StandardManager.java:800)
[15/May/2006:22:01:51] warning ( 3196): CORE3283: stderr: at org.apache.catalina.session.StandardManager.run(StandardManager.java:859)
[15/May/2006:22:01:51] warning ( 3196): CORE3283: stderr: at java.lang.Thread.run(Thread.java:534)
[15/May/2006:22:01:51] warning ( 3196): CORE3283: stderr: "Signal Dispatcher" daemon prio=10 tid=0x000ef840 nid=0x12 waiting on condition [0..0]
[15/May/2006:22:01:51] warning ( 3196): CORE3283: stderr: "Finalizer" daemon prio=8 tid=0x000ef638 nid=0x10 in Object.wait() [fa27f000..fa27fc28]
[15/May/2006:22:01:51] warning ( 3196): CORE3283: stderr: at java.lang.Object.wait(Native Method)
[15/May/2006:22:01:51] warning ( 3196): CORE3283: stderr: - waiting on <0xe917fb10> (a java.lang.ref.ReferenceQueue$Lock)
[15/May/2006:22:01:51] warning ( 3196): CORE3283: stderr: at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:111)
[15/May/2006:22:01:51] warning ( 3196): CORE3283: stderr: - locked <0xe917fb10> (a java.lang.ref.ReferenceQueue$Lock)
[15/May/2006:22:01:51] warning ( 3196): CORE3283: stderr: at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:127)
[15/May/2006:22:01:51] warning ( 3196): CORE3283: stderr: at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:159)
[15/May/2006:22:01:51] warning ( 3196): CORE3283: stderr: "Reference Handler" daemon prio=10 tid=0x000ef430 nid=0xf in Object.wait() [fa37f000..fa37fc28]
[15/May/2006:22:01:51] warning ( 3196): CORE3283: stderr: at java.lang.Object.wait(Native Method)
[15/May/2006:22:01:51] warning ( 3196): CORE3283: stderr: - waiting on <0xe917fb78> (a java.lang.ref.Reference$Lock)
[15/May/2006:22:01:51] warning ( 3196): CORE3283: stderr: at java.lang.Object.wait(Object.java:429)
[15/May/2006:22:01:51] warning ( 3196): CORE3283: stderr: at java.lang.ref.Reference$ReferenceHandler.run(Reference.java:115)
[15/May/2006:22:01:51] warning ( 3196): CORE3283: stderr: - locked <0xe917fb78> (a java.lang.ref.Reference$Lock)
[15/May/2006:22:01:51] warning ( 3196): CORE3283: stderr: "main" prio=5 tid=0x000ee3f0 nid=0x1 runnable [0..ffbff200]
[15/May/2006:22:01:51] warning ( 3196): CORE3283: stderr: "VM Thread" prio=5 tid=0x004ee328 nid=0xe runnable
[15/May/2006:22:01:51] warning ( 3196): CORE3283: stderr: "VM Periodic Task Thread" prio=10 tid=0x004ee5d0 nid=0x16 waiting on condition
[15/May/2006:22:01:51] warning ( 3196): CORE3283: stderr: "Suspend Checker Thread" prio=10 tid=0x004ee548 nid=0x11 runnable
[15/May/2006:22:15:10] failure ( 3196): HTTP3287: connection limit (4096) exceeded, closing socket

SUN Java System Web Server 7.0U1 How to install certificate chain

I am trying to install a certificate chain using the SUN Java Web Server 7.0U1 HTTPS User interface. What I have tried so far:
1. Created a single file using vi editor containing the four certificates in the chain by cutting an pasting each certificate (Begin Certificate ... End Certificate) where the top certificate is the server cert (associated with the private key), then the CA that signed the server cert, then the next CA, then the root CA. Call this file cert_chain.pem
2. Go to Certificates Tab/Server Certificates
3. Choose Install
4. Cut and paste contents of cert_chain.pem in the certificate data box.
5. Assign to httplistener
6. Nickname for this chain is 'server_cert'
7. Select httplistener and assign server_cert (for some reason, this is not automatically done after doing step 5).
8. No errors are received.
When I display server_cert (by clicking on it), only the first certificate of the chain is displayed and only that cert is provided to the client during the SSL handshake.
I tried to do the same, except using the Certificate Authority Tab, since this gave the option of designating the certificate as a CA or chain during installation. When I select ed "chain," I get the same results when I review the certificate (only the first cert in the file is displayed). This tells me that entering the chain in PEM format is not acceptable. I tried this method since it worked fine with the F5 BIG-IP SSL appliance.
My question is what format/tool do I need to use to create a certificate chain that the Web Server will accept?

turrie wrote:
1. Created a single file using vi editor containing the four certificates in the chain by cutting an pasting each certificate (Begin Certificate ... End Certificate) where the top certificate is the server cert (associated with the private key), then the CA that signed the server cert, then the next CA, then the root CA. Call this file cert_chain.pemIn my opinion (I may be wrong) cut and pasting multiple begin end
--- BEGIN CERTIFICATE ---
... some data....
--- END CERTIFICATE ---
--- BEGIN CERTIFICATE ---
... some data....
--- END CERTIFICATE ---is NOT the way to create a certificate chain.
I have installed a certificated chain (it had 1 BEGIN CERTIFICATE and one END CERTIFICATE only and still had 2 certificates) and I used the same steps as you mentioned and it installed both the certificates.
some links :
[https://developer.mozilla.org/en/NSS_Certificate_Download_Specification|https://developer.mozilla.org/en/NSS_Certificate_Download_Specification]
[https://wiki.mozilla.org/CA:Certificate_Download_Specification|https://wiki.mozilla.org/CA:Certificate_Download_Specification]

How to access JDBC Resource registered in Sun Java System App Server ?

I want to create a stand-alone JDBC application with Java SE using Swing technologies and JNDI technology. The purpose of using JNDI technology is to avoid change of Java Source Code every time I move the database to different location. This Java application will be used in a standalone PC installed with Windows XP Professional with no LAN / WAN connection. Of course, Internet connection is available with the PC.
I use JavaDB to store the data tables and the location of the database is D:\E-DRIVE\SAPDEV. Tomorrow, if I move this database to C:\SAPDEV or any network drive, I do not want to change the Java Source code. I want to use JNDI which, if I am not wrong, helps developers to avoid manual change of Java source code whenever the database location is changed. Changes have to be made only in the JNDI Name which contains all relevant information about the database in order to get connection no matter where the database SAPDEV is stored; it can be placed under D:\E-DRIVE directory or C:\ directory of the hard disk. To implement my intention, I started developing Java application as per the steps mentioned below:
Step 1:
To proceed, first, I sought the help of Sun Java System Application Server Admin Console. I created JNDI object for Connection Pool using the menu path Common Tasks->Resources->JDBC->Connection Pools.
JNDI Name : ABAPRPY
Resource Type : javax.sql.DataSource
Datasource class : org.apache.derby.jdbc.ClientDataSource
Description : ABAP Program Repository
The Connection Pool creation has options for General, Advanced and Additional Settings tabs and I made all the settings relevant to the database I created in D:\E-DRIVE\SAPDEV.
To confirm whether the above settings are correct, I pressed the Ping push button which is available in the General tab of the connection pool creation screen. The system responded with the message Ping Succeeded.
Step 2:
I created a JDBC Resource using the menu path Common Tasks->Resources->JDBC->JDBC Resources.
JNDI Name : jdbc/SAPDEV
Pool Name : ABAPRPY
Description : Database Connection for SAPDEV database
Status : Enabled
I can see all the above settings recorded in the domain.xml which is placed in the folder
C:\Sun\AppServer\domains\domain1\config
Step 3:
I have made sure that Sun Java System Application Server is up and running in the background with JavaDB server. I created a Java Program making sure the following JAR files are included in the classpath:
appserv-admin.jar
appserv-ee.jar
appserv-rt.jar
javaee.jar
fscontext.jar
Plus, the lib directory of JDK 1.6 & C:\Sun\AppServer\domains\domain1\config
Source code of the program is as follows: I used NetBeans IDE to create my project file.
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.naming.*;
import javax.activation.DataSource;
public class JNDILookup {
public static void main(String[] args) {
try {
InitialContext initCtx = new InitialContext();
DataSource ds = (DataSource) initCtx.lookup("java:comp/env/jdbc/sapdev>");
} catch (NamingException ex) {
Logger.getLogger(JNDILookup.class.getName()).log(Level.SEVERE, null, ex);
When I attempted to compile the above program in NetBeans IDE ,no compilation error reported. But while executing the program, I got the following run-time error message:
SEVERE: null
javax.naming.NameNotFoundException: No object bound for java:comp/env/jdbc/sapdev> [Root exception is java.lang.NullPointerException]
at com.sun.enterprise.naming.java.javaURLContext.lookup(javaURLContext.java:224)
at com.sun.enterprise.naming.SerialContext.lookup(SerialContext.java:396)
at javax.naming.InitialContext.lookup(InitialContext.java:392)
at SAPConnect.JNDILookup.main(JNDILookup.java:21)
Caused by: java.lang.NullPointerException
at com.sun.enterprise.naming.java.javaURLContext.lookup(javaURLContext.java:173)
... 3 more
Now, I want to come out of this situation; at the same time, I want to preserve the settings I have made in the Sun Java System Application Server Admin Console. That is, I want to programmatically access the data source using Connection Pool created in Sun Java System Application Server Admin Console.
I request dear forum members to provide me an appropriate solution.
Thanks and regards,
K. Rangarajan.

jay44 wrote:
Bare in mind I am attempting the context.lookup() from inside the container (my code is in a session bean). I have accessed the server and have my bean "say hello" first to verify the bean works OK, then I call a method with this rather standard code:
String jndiDataSourceName ="Second_EJB_Module_DataBase";
Logger.getLogger(DynamicPU.class.getName()).log(Level.INFO,"Programatically acquiring JNDI DataDource: "+ jndiDataSourceName);
InitialContext ctx;
try {
ctx = new InitialContext();
ds =(DataSource)ctx.lookup("java:comp/env/jdbc/"+jndiDataSourceName);
} catch (NamingException ex) {
Logger.getLogger(DynamicPU.class.getName()).log(Level.SEVERE, null, ex);
return "Exception generated trying to preform JDBC DataSource lookup. \n"+ex.toString();
But when I run the code the server log shows the initial context is created Ok, but an exception is thrown becasue the resource name is not found:
(and i have tried vriations of ctx.lookup("jdbc/"+jndiDataSourceName) etc etc
You are fine here. It works in container because the InitialContext properties have been supplied already. That was the link I forwarded earlier. The InitialContext you create locally needs to locate the container JNDI. That is what the properties specify.
Where I am confused is where you indicate the stack below is from the server log. So, you initiate a standalone (java main method) application, create an InitialContext, and you see the results in your app server log?
LDR5010: All ejb(s) of [EJB_Module_1] loaded successfully!
Programatically acquiring JNDI DataDource: Second_EJB_Module_DataBase
The log message is null.
javax.naming.NameNotFoundException: Second_EJB_Module_DataBase not found
at com.sun.enterprise.naming.TransientContext.doLookup(TransientContext.java:216)
at com.sun.enterprise.naming.TransientContext.lookup(TransientContext.java:188)
at com.sun.enterprise.naming.TransientContext.lookup(TransientContext.java:192)...
at com.sun.corba.ee.impl.orbutil.threadpool.ThreadPoolImpl$WorkerThread.run(ThreadPoolImpl.java:555)
This is strange since I can see this resource (a JDBC connection named Second_EJB_Module_DataBase) is configured on the server from the server's admin console.
That is why you can obtain a lookup from within the container (app server).
For this lookup to work it may be that one must map the name inside an ejb-jar.xml deployed with the application, but I have also read some resources like jdbc connection should have a default name. Does anyone know if my lookup() should work without using an ejb-jar.xml mfile to explcitly map the reource for my application?
Both EBJ's and data sources can be referenced via JNDI. It's a remote lookup (that is normally optimized if it is running in the same JVM). You should not have any dependencies on a JDBC data source being set-up on ejb-jar.xml. That file can of course impact your EJB's. However, data sources are normally set-up on a container-specific basis (e.g., you probably did it through a console, but there is a spec somewhere about how to set up a data source via a resource the app server looks for; it varies from app server to app server). However, once you have that container-specific data source set-up, JNDI operates vendor-neutral. You should be able to take the code above and move it to JBoss or Weblogic or Tomcat or whatever (this is an ideal, in practice, the vendors sometimes put a data source in a name you would not expect, but again, you can use their JMX console to see what the JNDI name is).
(As I stated above if I have to use a deployment discriptor to get at this JNDI datasource, then solution is not "programmatic" as newly configured datasources could not be accessed without redeploying the entire application).
As JSchell alluded to, you will always have at least something vendor-specific. JNDI itself (the code you wrote) is totally portable. However, you have to set the various JNDI environment properties to a given vendor's spec. Ideally, you should not need a vendor's actual InitialContext application, but it's a possibility. Once you can safely cast to Context, you should be vendor-neutral (if not, demand your money back).
So that is exactly where I am stuck, trying to get the lookup to work and wondering if it should work without and xml file mapping the resource for my app.
What we ended up doing for standalone was to provide our own JNDI. If you look at the open source project JOTM, there are examples on how to use that with XBean (if integrating with Spring, as we did), you can easily set up a data source that runs standalone exactly as you get in the container. Another benefit is you get full JTA/JTS support and the ability to run XA transactions. (This might all be alphabet soup, but the app server gives it to you, and this is the way we ended up doing the same: JNDI + JTA + JTS + XA). It ends up the same application code uses a "vanilla" InitialContext and all we have to do is write one or two xml files (one for our app server, a couple for JOTM), and our actual code works the same.
I still think you have a shot at getting to the container's JNDI, just not using their full-blown app server JAR.
I think there must be a simple way to do this with an ejb-jar.xml, I am no expert in JNDI, I could be missing something simple, I will keep at it and post an answer here if I come up with it.
Thanks, jayIt is simple to code. Getting it to integrate with your app server, yes, that can be challenging. But it has nothing to do with EJB's. Write a simple test. Using nothing but DataSource and InitialContext. Let us know where you get stuck.
- Saish

Sun-Java-System-SMTP-Warning

Customers using our company's products have been finding the following error message when sending messages with image attachments from our devices:
"Sun-Java-System-SMTP-Warning: Lines longer than SMTP allows found and truncated"
RFC 2045 - Multipurpose Internet Mail Extensions (MIME) Part One: Format of Internet Message Bodies http://www.faqs.org/rfcs/rfc2045.html
states:
(5)   Encoded lines must not be longer than 76 characters,
          not counting the trailing CRLF. If longer lines are
          found in incoming, encoded data, a robust
          implementation might nevertheless decode the lines, and
          might report the erroneous encoding to the user.Our devices comply with this RFC to the letter.
Can anyone explain why the Sun Java System SMTP server is rejecting these messages?
If necessary, I can provide network capture files from the connection between our device and an SMTP server.
A sample successful SMTP connection with a Postfix SMTP server follows:
220 doc.doc.pixord.com ESMTP Postfix
EHLO pixord.com
250-doc.doc.pixord.com
250-PIPELINING
250-SIZE 20480000
250-VRFY
250-ETRN
250 8BITMIME
MAIL FROM:
250 Ok
RCPT TO:
250 Ok
DATA
354 End data with <CR><LF>.<CR><LF>
from:
to:
subject: This is just test.
date: Thu, 05 May 2005 08:10:09 +0800
MIME-Version: 1.0
Content-Type: multipart/mixed;
.boundary="--=_iMaIl_BoUnDrY_1"
----=_iMaIl_BoUnDrY_1
Content-Type: text/plain;
This is just a test.
----=_iMaIl_BoUnDrY_1
Content-Type: image/jpeg;
Content-Transfer-Encoding: base64
Content-Disposition: attachment;
.filename="test.jpg"
/9j/2wCEABALDA4MChAODQ4SERATGCgaGBYWGDEjJR0oOjM9PDkzODdASFxOQERXRTc4UG1RV19i
Z2hnPk1xeXBkeFxlZ2MBERISGBUYLxoaL2NCOEJjY2NjY2NjY2NjY2NjY2NjY2NjY2NjY2NjY2Nj
Y2NjY2NjY2NjY2NjY2NjY2NjY2NjY//EAaIAAAEFAQEBAQEBAAAAAAAAAAABAgMEBQYHCAkKCwEA
----SNIPPED BY ME----
Skz7VZIFMKj0oAgJHoaaSPepyi+lNMYoAhOPWm8eoqYximmP3oA//9k=
----=_iMaIl_BoUnDrY_1--
250 Ok: queued as 5AC3815763F
RSET
250 Ok
QUIT
221 ByeMIME message was snipped by me in order to shorten the message.
I also removed the E-mail addresses.

I'm sorry.
1. The max line length is 998 characters, plus cr/lf
2. If you're getting the error message, then whatever that message was composed with is broken, and emitting lines longer than that.
Messaging Server has configurable choices. By default, it simply truncates the lines. You can choose to "wrap" them.
See channel keyword, "wrapsmtp"

Sun Java Programmer Plus Certification

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