Weblogic Time API

List,
jversion: jdk1.2.2
wlversion: 5.1sp7
Someone posted a message last year regarding the weblogic time api. I am
having a similar error and wanted to know if anyone has resolved this
issue.
I'm simply running the ServerTime.java application located in the
weblogic/examples/time folder.
I get the following on the wl console log when i run the test app:
----------------------wl log-----------------------------------------
Fri Apr 20 13:36:08 CDT 2001: <RJVM> Signaling peer
-3940176906498944186C199.82.241.17 gone:
weblogic.rjvm.PeerGoneException:
- with nested exception:
[java.net.SocketException: Connection reset by peer]
Fri Apr 20 13:36:08 CDT 2001: <CliCon-#|myserver|0.987791533919>
Connection to client for ClientContext - id:
'#|myserver|0.987791533919', bound: 'true', dead: 'false' has been
unexpectedly lost because weblogic.rjvm.PeerGoneException:
- with nested exception:
[java.net.SocketException: Connection reset by peer].
Initiating hard disconnect.
-----end of log-----------------------------
Thanks in advance for any assistance given.
-Mario

The key is that there are three or four interfaces that you need and it
really only makes sense to have one class and implement them all on it.
Cameron Purdy
Tangosol, Inc.
http://www.tangosol.com
+1.617.623.5782
WebLogic Consulting Available
"Robert Patrick" <[email protected]> wrote in message
news:[email protected]..
Hi,
I have to admit that the examples aren't as clear about showing the
functionality as they should be. However, I think that if you take theexamples
as a starting point and play with them a little, you will see that it'snot too
difficult to use this API.
Robert
Nenad Sokolovic wrote:
Hi everyone,
I am currently evaluating BEA Weblogic server 5.1 and I would like to
make a
component that
would perriodicaly send e-mails to users (once a day at predefined time,for
example). I have found
few examples for Weblogic Time API usage in BEA Weblogic documentation,but
reading their code
and explanation did not help me at all...
I would appreciate any help...
Thanks, Nenad

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Mario -
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>
List,
As you can tell, I've been spending alot of time playing with Weblogic
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Hi,
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Actually, it's bad practice to use break anywhere other than in conjunction with a switch statement.Presumably, if you favour:
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I have very strange problem. I have weblogic timer and when it's time to start the weblogic start's bean and all goes fine till get "home object" from another WLS where I get ClassCastException. Whot is funny if the same bean is started by stand alone client all works fine. I think that timer proces started by weblogic don't see classes that I'm trying to cast to. All classes are in ear file in APP-INF/lib.
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Message was edited by damian.grela at Sep 14, 2004 1:20 AM

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WebLogic Timer services.

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Thanks ahead of time for your response.
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.... but if done from startup, a timer is not in an app and thus can't see
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Cameron Purdy
Tangosol, Inc.
http://www.tangosol.com
+1.617.623.5782
WebLogic Consulting Available
"Rob Woollen" <[email protected]> wrote in message
news:[email protected]..
Yes, that should work fine. What is the error?
-- Rob
Satish Yellanki wrote:
Hi,
I am trying to use the weblogic timer services.
I implemented the TriggerDef interface and deployed
the trigger using "Scheduler" and "Trigger" classes.
(Server-side triggers.)
However, when the trigger is run, will I be able to
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Coming Soon: Building J2EE Applications & BEA WebLogic Server
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Help for weblogic timer

Please help on timer.
Thanks a lot.
Xiao
I got the following error when try to use weblogic timer:
<NT Performance Pack> NATIVE: created IoCompletionPort successfully.
IoPort=0x00
00024c
Tue Aug 08 12:24:55 PDT 2000: <WebLogicServer> WebLogic Server
started
Tue Aug 08 12:25:09 PDT 2000: <ListenThread> Adding address:
localhost/127.0.
0.1 to licensed client list
Tue Aug 08 12:25:09 PDT 2000: <NT Performance Pack> Allocating: '2'
NT reader
threads
Tue Aug 08 12:25:14 PDT 2000: <CliCon-#|myserver|0.965762672267>
Connection t
o client for ClientContext - id: '#|myserver|0.965762672267', bound:
'true', dea
d: 'false' has been unexpectedly lost because
weblogic.rjvm.PeerGoneException:
- with nested exception:
[java.net.SocketException: Connection reset by peer].
Initiating hard disconnect.
Tue Aug 08 12:25:14 PDT 2000: <CliCon-#|myserver|0.965762672267>
Removing Cli
entContext - id: '#|myserver|0.965762672267', bound: 'false', dead:
'false' beca
use of hard disconnect timeout
the code for the timer
* CONFIDENTIAL, Copyright (C) 2000
* This file is copyrighted by Uhere and should not be reproduced
* in any form and/or distributed without prior consent of Uhere.
package com.uhere.ubs.service;
* Timer for auction
* @author Xiao Zhou
* @version 1.0
* @since 1.0
import weblogic.time.common.*;
import weblogic.common.*;
import weblogic.jndi.*;
import javax.naming.*;
import java.util.*;
import com.uhere.ubs.utility.*;
public class AuctionTimer implements ScheduleDef, TriggerDef {
private T3ServicesDef services;
private final int AUCTION_SETUPED = 0;
private final int AUCTION_STARTED = 1;
private final int AUCTION_CLOSING = 2;
private long startTime = 0, endTime = 0, timeIncrement = 0;
private int auctionItemId = 0, status = 0;
public void setServices(T3ServicesDef services) {
this.services = services;
* ScheduleDef Interface
* @param ParamSet
* @exception ParamSetException
* @since 1.0
public void scheduleInit(ParamSet ps) throws ParamSetException {
startTime = ps.getParam("startTime").asLong();
endTime = ps.getParam("endTime").asLong();
timeIncrement = ps.getParam("timeIncrement").asLong();
auctionItemId = ps.getParam("auctionItemId").asInt();
* TriggerDef interface
* @param ParamSet
* @exception ParamSetException
* @since 1.0
public void triggerInit(ParamSet ps) throws ParamSetException {
* This method is only called internally by Weblogic schedule when
the action will be called next time
* @param long time
* @return time for next triggger
* @since 1.0
public long schedule(long t) {
System.out.println("signal schedule1");
if (status == AUCTION_SETUPED) {
System.out.println("signal schedule2");
return startTime;
else if (timeIncrement == 0 || t < endTime - timeIncrement) {
status = AUCTION_CLOSING;
return endTime;
else
return t + timeIncrement;
* This method is only called internally by Weblogic scheduled
action
* @param Schedulable
* @since 1.0
public void trigger(Schedulable sched) {
System.out.println("signal schedule3");
if (status == AUCTION_SETUPED) {
status = AUCTION_STARTED;
System.out.println("start auction");
else if (status == AUCTION_CLOSING) {
System.out.println("close auction");
else {
System.out.println("signal auction");
* external parties call this method to start the scheduled cycle of
action.
* @exception UBSException
* @since 1.0
* @param startTime
* @param endTime
* @param timeIncrement
* @param auctionItemId
public static void startTimer(long startTime, long endTime, long
timeIncrement, int auctionItemId,
String url) throws UBSException {
try {
System.out.println("signal startTime1");
ParamSet schedParams = new ParamSet();
schedParams.setParam("startTime", startTime);
schedParams.setParam("endTime", endTime);
schedParams.setParam("timeIncrement", timeIncrement);
schedParams.setParam("auctionItemId", auctionItemId);
Scheduler scheduler = new
Scheduler("com.uhere.ubs.service.CommonTimer", schedParams);
Trigger trigger = new
Trigger("com.uhere.ubs.service.CommonTimer");
ScheduledTriggerDef std =
getT3Services(url).time().getScheduledTrigger(scheduler, trigger);
std.schedule();
System.out.println("signal startTime2");
} catch (Exception e) {
UBSException.handle(e, UBSException.OP_EXP);
private static T3ServicesDef getT3Services(String wlUrl) throws
javax.naming.NamingException {
T3ServicesDef t3s;
Hashtable env = new Hashtable();
env.put(Context.PROVIDER_URL, wlUrl);
env.put(Context.INITIAL_CONTEXT_FACTORY,
weblogic.jndi.WLInitialContextFactory.class.getName());
Context ctx = new InitialContext(env);
t3s = (T3ServicesDef)ctx.lookup("weblogic.common.T3Services");
ctx.close();
return (t3s);
client
static public void testTimer() {
try {
long time = new Date().getTime();
AuctionTimer.startTimer(time+5000,time+20000,0,0,url);
catch (Throwable t) { t.printStackTrace(); }

I've used a std timer in Java
Try the following :
private Timer timer; // The thread
public void startTimer(){
timer = new Timer();
timer.schedule(closeConnection,1000*60,1000*120);
then run startTimer whenever you wanna hit it...
regards,
Dag Norland,
Donar AS, Norway
"Xiao Zhou" <[email protected]> wrote in message
news:[email protected]...
Please help on timer.
Thanks a lot.
Xiao
I got the following error when try to use weblogic timer:
<NT Performance Pack> NATIVE: created IoCompletionPort successfully.
IoPort=0x00
00024c
Tue Aug 08 12:24:55 PDT 2000: <WebLogicServer> WebLogic Server
started
Tue Aug 08 12:25:09 PDT 2000: <ListenThread> Adding address:
localhost/127.0.
0.1 to licensed client list
Tue Aug 08 12:25:09 PDT 2000: <NT Performance Pack> Allocating: '2'
NT reader
threads
Tue Aug 08 12:25:14 PDT 2000: <CliCon-#|myserver|0.965762672267>
Connection t
o client for ClientContext - id: '#|myserver|0.965762672267', bound:
'true', dea
d: 'false' has been unexpectedly lost because
weblogic.rjvm.PeerGoneException:
- with nested exception:
[java.net.SocketException: Connection reset by peer].
Initiating hard disconnect.
Tue Aug 08 12:25:14 PDT 2000: <CliCon-#|myserver|0.965762672267>
Removing Cli
entContext - id: '#|myserver|0.965762672267', bound: 'false', dead:
'false' beca
use of hard disconnect timeout
the code for the timer
>
* CONFIDENTIAL, Copyright (C) 2000
* This file is copyrighted by Uhere and should not be reproduced
* in any form and/or distributed without prior consent of Uhere.
>
>
>
>
package com.uhere.ubs.service;
* Timer for auction
* @author Xiao Zhou
* @version 1.0
* @since 1.0
import weblogic.time.common.*;
import weblogic.common.*;
import weblogic.jndi.*;
import javax.naming.*;
import java.util.*;
import com.uhere.ubs.utility.*;
public class AuctionTimer implements ScheduleDef, TriggerDef {
private T3ServicesDef services;
private final int AUCTION_SETUPED = 0;
private final int AUCTION_STARTED = 1;
private final int AUCTION_CLOSING = 2;
private long startTime = 0, endTime = 0, timeIncrement = 0;
private int auctionItemId = 0, status = 0;
public void setServices(T3ServicesDef services) {
this.services = services;
* ScheduleDef Interface
* @param ParamSet
* @exception ParamSetException
* @since 1.0
public void scheduleInit(ParamSet ps) throws ParamSetException {
startTime = ps.getParam("startTime").asLong();
endTime = ps.getParam("endTime").asLong();
timeIncrement = ps.getParam("timeIncrement").asLong();
auctionItemId = ps.getParam("auctionItemId").asInt();
* TriggerDef interface
* @param ParamSet
* @exception ParamSetException
* @since 1.0
public void triggerInit(ParamSet ps) throws ParamSetException {
* This method is only called internally by Weblogic schedule when
the action will be called next time
* @param long time
* @return time for next triggger
* @since 1.0
public long schedule(long t) {
System.out.println("signal schedule1");
if (status == AUCTION_SETUPED) {
System.out.println("signal schedule2");
return startTime;
else if (timeIncrement == 0 || t < endTime - timeIncrement) {
status = AUCTION_CLOSING;
return endTime;
else
return t + timeIncrement;
* This method is only called internally by Weblogic scheduled
action
* @param Schedulable
* @since 1.0
public void trigger(Schedulable sched) {
System.out.println("signal schedule3");
if (status == AUCTION_SETUPED) {
status = AUCTION_STARTED;
System.out.println("start auction");
else if (status == AUCTION_CLOSING) {
System.out.println("close auction");
else {
System.out.println("signal auction");
* external parties call this method to start the scheduled cycle of
action.
* @exception UBSException
* @since 1.0
* @param startTime
* @param endTime
* @param timeIncrement
* @param auctionItemId
public static void startTimer(long startTime, long endTime, long
timeIncrement, int auctionItemId,
String url) throws UBSException {
try {
System.out.println("signal startTime1");
ParamSet schedParams = new ParamSet();
schedParams.setParam("startTime", startTime);
schedParams.setParam("endTime", endTime);
schedParams.setParam("timeIncrement", timeIncrement);
schedParams.setParam("auctionItemId", auctionItemId);
Scheduler scheduler = new
Scheduler("com.uhere.ubs.service.CommonTimer", schedParams);
Trigger trigger = new
Trigger("com.uhere.ubs.service.CommonTimer");
ScheduledTriggerDef std =
getT3Services(url).time().getScheduledTrigger(scheduler, trigger);
std.schedule();
System.out.println("signal startTime2");
} catch (Exception e) {
UBSException.handle(e, UBSException.OP_EXP);
private static T3ServicesDef getT3Services(String wlUrl) throws
javax.naming.NamingException {
T3ServicesDef t3s;
Hashtable env = new Hashtable();
env.put(Context.PROVIDER_URL, wlUrl);
env.put(Context.INITIAL_CONTEXT_FACTORY,
weblogic.jndi.WLInitialContextFactory.class.getName());
Context ctx = new InitialContext(env);
t3s = (T3ServicesDef)ctx.lookup("weblogic.common.T3Services");
ctx.close();
return (t3s);
client
static public void testTimer() {
try {
long time = new Date().getTime();
AuctionTimer.startTimer(time+5000,time+20000,0,0,url);
catch (Throwable t) { t.printStackTrace(); }

Monitoring Weblogic Time Service

Hello
I built a number of java classes that implemented ScheduleDef and
Triggerdef.
Then these classes are scheduled using WebLogic Time Service.
The question is :
Is there a way to query WLS to find out how many of these classes are
currently
being scheduled? We need to find out which one are no longer running in the
system
so we can reschedule them. But we also need to know if one is already
scheduled and
therefore disallow the ability to schedule a 2nd instance in the server.
Thanks

They did state a reason. They expect these services to become part of J2EE.
You can still use them, or check out something like Flux from Sims
Computing.
Peace,
Cameron Purdy
Tangosol, Inc.
Clustering Weblogic? You're either using Coherence, or you should be!
Download a Tangosol Coherence eval today at http://www.tangosol.com/
"James McGovern" <[email protected]> wrote in message
news:[email protected]..
BEA has deprecated the time services classes without stating any reason.
Hopefully they will step up and come up with a replacement.

Need information about WebLogic Server API

Hi All,
Can anyone please tell me what API does Oracle Weblogic Server call. I want to ask by calling which API I can get information about the state of a weblogic server and which jar contains those APIs.
Thanks in Advance!!

Hi Roshni,
For List of MBean's You can follow the below Oracle link
http://docs.oracle.com/cd/E12839_01/apirefs.1111/e13951/core/index.html
can you pls tell me how can I retrieve of a weblogic server through a java code,
You can follow the below link,it will be helpful
http://middlewaremagic.com/weblogic/?p=7505
Regards
Fabian

Weblogic Timer Event Generator - How it works?

Hello everyone!
I have wrote simple wli-application, that subscribes to the message broker channel.
I have deployed it to the cluster (managed servers 1 (ms1) and 2(ms2)). (I use Weblogic Server 10.3, cluster contains 1 admin server and 2 managed servers.)
Than I have created the timer event generator (EG) via wliconsole and rule for this EG - to send message to the MB-channel every 30 seconds.
Then I redeploy EG application via console (WLS Admin Console) from managed server 1 to cluster (m.servers 1 and 2) and start it.
Everything started ok - I got messages to both instatnces of my application in the following way:
15:30:00 - to instance on ms1
15:30:30 - to instance on ms2
15:31:00 - to instance on ms1
15:31:30 - to instance on ms2
...and so on
when I shut down ms2 - I started to receive messages to instance of my application on ms1 every 30 secodns. Here Everything is OK.
Then I start ms 2 and got the picture like:
15:30:00 - to instance on ms1
15:30:30 - to instance on ms2
15:31:00 - to instance on ms1
15:31:30 - to instance on ms2
...and so on
Then I shutdown ms1... And that's all - no messages to instance on ms2 :(
I started ms1 and no messages on both instances - on ms1 and ms2..
Can you explain me how Timer Event Generator works? What resources it uses? And how can I setup it to get load-balancing while both instances running and failover - when one of the instances shutdowned?
Thanks in advance,
Vladimir.

Hi Vladimir, it seems like we must have different environments. I don't know if you used the latest version of wli or not...
So, not exactly for you, but for someone who happens to read this post, and has the same problems we did...
-- I've configured the cluster address using the IP i've assigned to the servers.
--- it means that it is like: 192.168.70.120:8013,192.168.70.120:8113 - ip's & PORT, yes?
Yes, that's the format we are using (http://download.oracle.com/docs/cd/E13222_01/wls/docs92/cluster/setup.html#wp751583)
-- Configured the FrontEndHost and FrontEndPort with that same values as the AdminServer.
--- and you have the http-proxy deployed on your admin server? 'cause front-end host and port - must be the host and port of http-proxy that performs load-balancing for requests to your processes on your managed servers.
Actually we don't need the HTTP load balance, we only start the process via EG events, so we only benifit from load balancing on the JMS queues, but i had to configure this to be able to start the process. We had errors if we didn't configure this. We used the AdminServer address and port.
-- Relocated the Persistent Stores and JMS Servers since some were incorrectly pointing to the AdminServer.
---I didn't understand about what p.stores you are talking about.. I meant that you must create new JDBC p.store with table in cgDataSource and targeted to migratable target. And than you must create a new jms-server, which hosted to this p.store.
...But I didn't retarget any existing p.stores......
Once the domain was created (didn't do anything but to follow the wizard) we had the persistent stores (and underlying JMS servers) targeted to the AdminServer (obviously incorrect). So we retargeted them to the Managed Server.
-- Created the JSP_<PROCESS> table in the database.
--- and what is this? :)
We had to create a table to persist the wli process state, because it is a statefull process (http://download.oracle.com/docs/cd/E13214_01/wli/docs102/dbtuning/wliTuning.html)
The matter of fact is everything works fine, despite the exceptions i mentioned in the AdminServer, once it gets started... But it seems to have no negative impact on the application, and migration is done successfully
I will continue to work on figuring out what the origin of those exceptions is, and if i manage to find a solution i, most surely, will post it here... One thing i find to be strange is that the exceptions start even before i have anything deployed to the Migratable Target... Once i create it and restart the server i get those messages, and we tried the Concensus configuration with NodeManager, as well as the Database configuration.
I guess that what's really important for us now is that we do have fail over and load balancing working... :D
I don't know if it would be abusive to ask you for that document of yours, maybe it has some clue on what's wrong in our config, but again, i understand if you can't share that =)
By the way, i'm portuguese, but since google made the translator available, i guess i can manage russian documentation as well ;)
I can't tell you how gratefull i am for your help, and for sharing your previous experience with the rest of us. If it wasn't for your altruism i guess i would be stuck with this for much longer... you sure saved my day... BIG BIG thank you..
Once again, thank you and i wish you all the best !!! I just wished i could be helpfull to you sometime =)

Weblogic Time API

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