Can Timers be stopped and started?

Can Timer() objects be stopped and then restarted?
Timer AttitudeIndicatorTimer = new Timer();
AttitudeIndicator AttitudeIndicatorControl = new AttitudeIndicator();
AttitudeIndicatorTimer.schedule(AttitudeIndicatorTask, 0, 500);
I would like to be able to stop and start the above timer. If I use the cancel() method to stop the timer and then later the schedule() method to re-start the timer I get an error.
Is there a way of starting and stopping these timers?
I am fairly new to Java and this is the first time I have post a question on this fourm.
I look forward to assistance on ths issue.

I do have the API docs and was a bit surprised to see
no way of temporarily stopping the timer.
Does this mean I need to loo at Threads more closely,
to acheive what I am trying to do, or is there
possibly another way?What I would do is this: (1) to stop the timer, call its cancel() method; (2) to restart the timer, don't restart the timer but create a new timer with the same parameters.

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If the former, that could indicate something about your hardware configuration that's struggling to keep up with rendering your project on the fly while it's playing in iMovie. Are you running other apps? Do you have limited hard drive space?
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Download a fresh Firefox copy and save the file to the desktop.
* Firefox 5.0.x: http://www.mozilla.com/en-US/firefox/all.html
* Uninstall your current Firefox version.
* Do not remove personal data when you uninstall the current version.
Remove the Firefox program folder before installing that newly downloaded copy of the Firefox installer.
* It is important to delete the Firefox program folder to remove all the files and make sure that there are no problems with files that were leftover after uninstalling.
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It is possible that there is a problem with the files sessionstore.js and sessionstore.bak in the Firefox Profile Folder.
Delete the files sessionstore.js and sessionstore.bak in the Firefox Profile Folder.
* Help > Troubleshooting Information > Profile Directory: Open Containing Folder
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* http://kb.mozillazine.org/sessionstore.js
If you see files sessionstore-##.js with a number in the left part of the name like sessionstore-1.js then delete those as well.
Deleting sessionstore.js will cause App Tabs and Tab Groups to get lost, so you will have to create them again (make a note).
See:
* http://kb.mozillazine.org/Session_Restore
Some have reported that increasing the session store saving interval worked for them. 
See:
* http://kb.mozillazine.org/browser.sessionstore.interval
To open the about:config page, type about:config in the location (address) bar and press the "Enter" key, just like you type the url of a website to open a website. 
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Order of stop and start of reporting services

Hi All,
I am using 11.1.1.3 version in my laptop,i want know the correct order of stop and start the services,please help me on this.
Thanks
Hypuser

The full order list can be found at :- http://download.oracle.com/docs/cd/E12825_01/epm.111/epm_install/ch05s02.html
Cheers
John
http://john-goodwin.blogspot.com/

How may I automatically stop and start Mail services at a set time please

Hi folks. I was wondering if anyone could tell me how to automatically stop and start Mail services (or any other services) at a set time please in Leopard Server? Is there a script someone has created which might help?
Cheers, David ( a realy newbie when it comes to administering OS X server)

launchd works through a series of XML documents that define tasks to run, either at launch, on a time schedule, in response to network events, etc.
So you'll need to create two .plists - one to start the mail server and one to stop it. They should be saved in /Library/LaunchDaemons. I'd suggest something like:
/Library/LaunchDaemons/local.postfix.stop.plist:
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple
.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
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 <string>local.postfix.stop</string>
 <key>ProgramArguments</key>
 <array>
 <string>/usr/sbin/serveradmin</string>
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 <string>mail</string>
 </array>
 <key>StartCalendarInterval</key>
 <dict>
 <key>Hour</key>
 <integer>1</integer>
 <key>Minute</key>
 <integer>00</integer>
 </dict>
</dict>
</plist>
and /Library/LaunchDaemons/local.postfix.start.plist:
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple
.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
 <key>Label</key>
 <string>local.postfix.start</string>
 <key>ProgramArguments</key>
 <array>
 <string>/usr/sbin/serveradmin</string>
 <string>start</string>
 <string>mail</string>
 </array>
 <key>StartCalendarInterval</key>
 <dict>
 <key>Hour</key>
 <integer>4</integer>
 <key>Minute</key>
 <integer>00</integer>
 </dict>
</dict>
</plist>
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SSRS Report queries begin running slowly, have to stop and start report server to restore performance

We have had a production issue crop up twice now where reports begin running slowly seemingly at random.
When this happens we can see from running SQL Profiler that the report queries are taking an extremely long time to execute. The same queries when run directly in management studio run quickly.
Initially I suspected parameter sniffing, and tried using OPTION (RECOMPILE) in the reports, as well as clearing out the particular query from the plan cache and running the SQL in SSMS to try and get a better plan etc but no amount of jiggery pokery by
me could get the queries to run any faster.
The really weird thing - is that stopping and starting the report server via the reporting services configuration manager instantly cures the problem.
I'd really love to know - why this might be? Is it something to do with the report server closing and re-opening its connections to the database? That's the only sort of thing I can think of...any ideas? Anyone? Any suggestions would be much appreciated.
LucasF

Hi LucasF,
In your scenario, usually we can monitor the execution log in Report Database. If you run below query, you can get the results how long the report takes to render (TimeRendering), how long to process the report(TimeProcessing) and how long to retrieve data
from Database(TimeData). You can check the starttime and endtime to know the total time for executing a report.
SELECT TOP1000 *FROM[ReportServer].[dbo].[ExecutionLog2]
More details information, please reference to similar thread below:
Steps for troubleshooting a slow SSRS 2014 server
Troubleshooting Reports: Report Performance
In SQL Server Reporting Services, a job will be created by SQL Server Agent if any of the following processes is underway:
query execution on a remote or local database server
report processing
report rendering
To cancel a job that is running on the report server, we can cancel the job directly or reduce the report execution time-out value in the SQL Server Management Studio and then will stop query execution. Please refer to the steps below:
Open SQL Server Management Studio, and connect to "Reporting Services".
Under the Report Server node, right-click on the "Jobs" folder and select "Refresh". Then, right-click on "Jobs" again and click "Cancel All Jobs".
Right-click on the Report Server node and open the "Server Properties" dialog.
Click the "Execution" option, and set the "Limit report execution to the following number of seconds:" to a much smaller number. After this issue is resolved, this configuration should revert to the previous state.
Reference:
Managing a Running Process
Setting Time-out Values for Report and Shared Dataset Processing
In addition, we can also use the KILL Transact-SQL statement to terminate a normal connection by terminating the transactions that are associated with the specified session ID. For the details information, you can refer to:
KILL (Transact-SQL)
If you still have any problem, please feel free to ask.
Regards,
Vicky Liu
Vicky Liu
TechNet Community Support

DVD will not stop and start in a Menue Mode

Hello I am using DVD Studio Pro 4 for a school project and i am looking for some help with this problem.
The DVD i have created plays and stops when i am watching one of my video tracks, i just can not start the DVD when i am previewing in any menue after i stop it.
I have created my DVD with 16 menus and 2 video tracks. It burns and plays back fine but i can not stop and start the DVD when i am in a menu mode. The DVD will stop and play when i stop the DVD playing video from one of my video tracks but when i am in menu i push stop on my DVD controller and the DVD will not start back up. The DVD will look like it wants to play but it will not play. I have to open the DVD player tray open in order for it to start the DVD again.
The DVD is a NTSC, SD, single layered 2.9GB
Any help would be much appreciated, Thanks.
Mike
PowerBook G4 15 1.25 ghz Mac OS X (10.3.9)

If only five months old it is still under warranty. Take it back.

Task created to stop and start Health service not working.

We have multiple servers being grayed out so we created a task to stop and start the health service on SCOM 2007 R2. We have created two tasks one to stop and another task to start. The STOP task works but the START tasks keeps running but there is no result
as well as when i check in Services.msc it is still stopped. Below are the screen shots .
Task created to STOP the health service which is running.
Screen shot of service start task creation which is NOT working
The same was created for another service windows audio. Which worked for both stop and stop (Created separate tasks).
We also tried the recycle health service and chche which is also failing.
Can any one please help. The issue is on both SCOM 2007R2 and 2012 R2 both. Is there any other way to touch the health service.
We are facing the issue only with Healthservice.

Hi All,
Thank you for all your answers.
@ dktoa -
You are right we have to concentrate on the servers to determine why do they go grey (all in one site). But before we do that i felt i find a temporary solution. Then go deep investigation to solve the issue.
@Yan LI: As per the likn provided above you. I overrided the servers but still the health services were not starting or restarting. When i created a custom group and added the servers to that group in that site and then enabled the override on Restart
Health Service for a specific group and pointed towards that group then it worked.
Thanks All.

How to stop and start MDBs to listen for JMS messages

Hello! This might be more of an architecture question rather than a technical questing, but I post it here, in the lack of a better place...
For several years I have been using Webster and Webster MQ to send messages back and forth to clients. The architecture for the middleware platform has been designed around the functionality of ListenerPorts. Listenerports is a Webster functionality that let you "stop" and start to listen to JMS messages for a given MDB either by admin console, or by JMX.
The arhitecture we used was something like this :
1.Client sends a persistent message to a queue. (order)
2. An MDB pics up the order message, calls a SessionBean that "fronts" the IIOP back end system.
This is quite "out of the box" architecture, but we used the Listenerports to solve a stability problem for our back end system.
The backEnd system was quite unstable, so the EJB threw an exception (typically because of timeout or connection refused) back to the MDB.
The Listenerport was "defined" to handle 3 errors before stopping, so the MDB resent the message twice before the listenerport automatically stopped. The nice thing about this feature was that the client could continue to send orders, and was not bothered when the back end system was down.
When the backEnd system was up and running, we could start the listenerport and it was all back to normal state. We even had a start script that checked the state of the listenerport every 30 minute, and started it automatically if it was stopped, making the admin task of starting the MDB unnecessary..
Now.. Why am I telling this story..
I would like to know how this could be done using "clean" J2EE technologies..That is..Not using any technology that is not portable..
I`m playing with glassfish at home, and it struck me that there is nothing in the J2EE spec that defines the functionality described above ? Am i missing something ?
I Do not want to stop My application because the back end system is down? That is the only way (i know of) that i can "stop" to listen for messages..
I can put all the messages on an error queue when the backbend system is down, but that would lead to more code just to handle the error messages. Maybe the easiest way to solve this is to "move" (programmatically) all messages from the error queue over to the "standard" queue every XX minute, but somehow that sounds "wrong"
Can anyone give me some advice to how this problem situation should be solved ? I`m interested in the solution both from an architectural perspective and from a more technical perspective..
Best regards
Hans-Jacob Melby

Breakpoints, whether normal or conditional, are just meant for debugging of your code. I had the sense from your question that the pausing you want to do is a part of normal operation of your code. I would NOT recommend using a breakpoint for that situation. It would bring up the block diagram showing the breakpoint when it occurs. A user besides the programmer would not know what to do in that case.
Yes, both the inner and outer loops would have shift registers.
Putting a case structure with a small while loop inside the "Pausing Case" is doable. It just depends on what you are doing or waiting for while the program operation is "paused".

How to stop and start process SAPOSCOL

Hi, i have a problem with write access for saposcol program. I see that the file saposcol is read the file but its unable to wirte the same.
Collector : running
Start time coll. : Mon May 21 17:49:49 2007
Current Time : Mon Jun 11 13:27:51 2007
Last write access : Tue May 29 06:23:46 2007
Last Read Access : Mon Jun 11 13:26:24 2007
When i try to stop the saposcol i get the following error:
igzadm> saposcol -k
Setting Stop Flag :
13:24:44 11.06.2007 LOG: ==== Stop Flag was set by saposcol (kill_collector()).
13:24:44 11.06.2007 LOG: ==== The collection process will stop as soon as possible
can't kill process 409656.
kill: No such process
ERROR:No reaction from collecting process 409656.
 Please kill collecting process.exes.
Am doing this command through SID<ADM> from change directory /run.
Please help me how to check the permission of the SIDADM to stop the services.
I also try the same from root user but now use..
Please guide me how to stop and start the SAPOSCOL in AIX 5.3.
Advance Thanks.
Suri Tyson

Hi, i have the following permission for saposcol
imserv:/ # ps -ef | grep saposcol | more
 root 118842 528422 0 14:02:17 pts/2 0:00 grep saposcol
I have changed the ownership as you mentioned....
imserv:/usr/sap/IGZ/SYS/exe/run # ./saproot.sh igz
Preparing /usr/sap/IGZ/SYS/exe/run/brbackup ...
Preparing /usr/sap/IGZ/SYS/exe/run/brarchive ...
Preparing /usr/sap/IGZ/SYS/exe/run/brconnect ...
Preparing /usr/sap/IGZ/SYS/exe/run/brtools ...
Preparing saposcol ...
Preparing icmbnd ...
done
However, i still get the error as:
igzadm> saposcol -k
Setting Stop Flag :
14:12:13 11.06.2007 LOG: ==== Stop Flag was set by saposcol (kill_collector()).
14:12:13 11.06.2007 LOG: ==== The collection process will stop as soon as possible
can't kill process 409656.
kill: No such process
ERROR:No reaction from collecting process 409656.
 Please kill collecting process.
Now the permission are set in my system as:
igzadm> ps -ef |grep saposcol|more
igzadm 729196 983058 0 14:13:25 pts/2 0:00 grep saposcol

Script to stop and start Business Object and its components

Hi Guru
I have installed Business Objects and few of its componenents.
Please assist where I can find a proper script to do a clean stop and start of its services.
My server is Windows 2008 SP2.
Target services to have a scripts are;
1. MySQL server 5.1.
2. Apache Tomcat 5.5.20.
3. BW Publisher Service 12.
4. Server Intelegence Agent.
Appreciate some assistance here. Thanks!
-Ace-

All of those components are available as Windows services. You can use the relevant
net stop
commands to stop them.
Regards,
Stratos

Videos stop and start

I've got a fast computer w/plenty of ram. I can watch videos from all other sources perfectly smooth, including Quicktime HD movie trailers.
When I try to watch a video in iTunes it slows my computer down so much that besides the videos stopping and starting, my mouse won't even move smoothly.
It worked fine until a couple of weeks ago.

Phyllis-
One reason is that your internet connection is not fast enough to keep up with the video. You may find that when it gets to the end of the video and has fully downloaded, it will replay without stopping.
Fred

Can Timers be stopped and started?

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