File Change Event Notification

Hi,
Is file event notification available on Solaris 10?
If it is not, could someone help me on this -
I want to monitor a directory for a new file addition event. Once a new file is added, i want to do some processing.
How to do this?
Edited by: Pratz_Pratz on Sep 12, 2008 3:47 AM

Closest thing I know of is to turn on acct (accounting) and deal with acctdisk.
-r

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Item state change events - notification not recd when run on nokia phone

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I faced a similar problem on Motorola ROKR E6. Turned out that ItemStateListener was working only as long as the first form to be displayed remained current -- once I setCurrent another Form, the app stopped responding to itemStateChanged.
The workaround I adopted was to remove Items from the Form and add new Items, giving the illusion of the next form being displayed. It would be interesting to know whether that works for you and whether anyone has faced the same problem with any other handset.
I have subsequently come to know that Motorola have marked my bug report as "solved" -- but have not offered me any option to update my handset with a bug-free version.
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Dynamic action on File browse change event

Hi Experts,
apex version 4.1
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Hi,
I think PL/SQL approach will not work before you submit data to database.
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Event handling to listen directory file changes?

I want to write a Java program that watches directories for changes. If there are any new files, or files are deleted in a directory, notify the user. I think this is a multi-thread program that watches files changes in specific directories. But I don't know what listener that the program should implements. please help!!

There are no events that do what you ask (actually, there are native OS events in Win32 that do this, but I suspect that isn't what you are going for).
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Start a thread that wakes up periodically and checks the contents of a specified folder for changes. If there is a change, fire your event to any listeners.
Now, how you actually define a change in a folder is an entirely different matter. It may be sufficient to calculate a CRC (or Adler32) on the modified date of all files in the folder, then compare that to a previous version to see if there has been a change.
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- K

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File change notification

Is there any way to obtain a notification in form of a signal or callback invokation, when the selected file is being modified?
More precisely, I need a mechamism to implement a "tail -f" monitoring solution without the use of reads on timeouts.
Sleeping even for a sec is not appropriate for a near real-time monitoring system. Therefore, I need a more robust approach.
I've not found anything that may provide a means to such a trick so far. Moreover, what is frustrating is that tail command is implemented with the use of a sleep-read sequence.
Sincerely
Vladimir

>
Is there any way to obtain a notification in form of a
signal or callback invokation, when the selected file
is being modified?
More precisely, I need a mechamism to implement a
"tail -f" monitoring solution without the use of reads
on timeouts. If you are truely just interested in seeing
if the file changes use stat(2) and get the file size.
If you truly want to read the file as it
is being writen to, you can open it, seek to somewhere
near the end and do reads. You are not using the
shell as you would with tail -f, you are just a
separate process reading a file that is being appended
to by another process. I assume that the file being
created is opened for sequential access and the writer
is appending to its end. The other process wants
to read from somwhere else in the file, prehaps at
a leisurely pace.
Sleeping even for a sec is not appropriate for a near
real-time monitoring system. Therefore, I need a more
robust approach.
I've not found anything that may provide a means to
such a trick so far. Moreover, what is frustrating is
that tail command is implemented with the use of a
sleep-read sequence.
Sincerely
Vladimir

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[FUNCTION]
Command=/H
Title=Debugger
Type=SystemCommand
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<Event>
<System>
<Provider Name=".NET Runtime"/>
<EventID>0</EventID>
<Level>0</Level>
<Task>0</Task>
<Keywords>Keywords</Keywords>
<TimeCreated SystemTime="2015-04-01T01:25:13Z"/>
<EventRecordID>276896843</EventRecordID>
<Channel>Application</Channel>
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<Security/>
</System>
<EventData>
<Data>
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sender, InternalConfigEventArgs e) at System.Configuration.Internal.InternalConfigRoot.OnConfigChanged(InternalConfigEventArgs e) at System.Configuration.BaseConfigurationRecord.OnStreamChanged(String streamname) at System.Web.Configuration.WebConfigurationHostFileChange.OnFileChanged(Object
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Geoff

Thanks Aram, I agree that it looks like a full deployment, however I'm sure I'm not deploying anything. I also filtered the files by date to look for anything that might be changing without my knowledge but came up dry.
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How do you disable all-day event notifications?

I've already read the various threads about the issues with all-day events disappearing from the Today view and only appearing in the Notifications. However, I am having an issue when trying to disable all-day event notifications. I currently use my all day events from my work calendar (Lotus Notes 8.5) that is synched to my phone. I have disabled the "Notify Me" option within Lotus Notes and changed the default all day event notification on my phone to "None". The problem is that this has not disabled any all day event notification and I still get notified every night at midnight for the event. This didn't happen on iOS 6 or any of the iOS 7 beta versions. Is this something that can be fixed? Thanks!

the Automation quick access should be off by default. I don't think this is what will do it for you, but here is a description of it, Page 320 of the manual
Automation Quick Access
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since it is midi messages that you do not want to send from your controller, I think you need to go to song settings an filter out incomming midi messages. File>song settings>midi>imput filter
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Windows 8.1 - Windows Couldn't connect to the System Event Notification Service service

I have an issue that has been bothering me for a while on new 8.1 computers. Standard users are not able to log into the computer on the first try consistently. They receive the error message: Group Policy client service failed the sign-in access is
denied. They are stuck at the logon screen.
If an administrator logs in (local or domain), they can log in but get a black desktop with two error messages. The first is Location is Not available - C:\Windows\system32\config\systemprofile\Desktop is unavailable. The second error message is a popup
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When a standard user attempts to log in, event viewer records three warnings. They are listed in order from oldest to newest
The winlogon notification subscriber <Profiles> was unavailable to handle a critical notification event. -Logged 9:14:44
The winlogon notification subscriber <GPClient> failed a critical notification event. - Logged 9:14:44
The winlogon notification subscriber <Profiles> was unavailable to handle a notification event. - Logged 9:14:49
After a reboot, users still have the issue. I noticed that the user profile services and system event notification service are not running though their startup type is automatic. They start after a minute or two.

Hi Joseph__Moody,
Based on your description ,I assume it is a domain environment .First of all ,I would suggest you to try to update all the machine .
"I have an issue that has been bothering me for a while on new 8.1 computers"
Do you mean all the Windows 8.1 machine share the same symptom or just a specific one ?Did the machine work correctly before ?When did the issue start to occur ?Have you installed any third party software before ?Can we operate the machine when we login with
an administrator account ?
If the issue occurred with the specific machine :
"The first is Location is Not available - C:\Windows\system32\config\systemprofile\Desktop is unavailable."
Please try the following suggestions if we can operate the machine when we login with the administrator account :
Open Windows Explorer and navigate to: C:\Windows\system32\config\systemprofile and verify if it has the Desktop folder there.If the folder doesn`t exit, we can copy from C:\users\Default\Desktop location(This folder is hidden by default).
We also can try the following suggestions to have a troubleshoot :
1.Run "sfc /scannow"or "dism /online /cleanup-image /restorehealth" to check the health of the system files.
2.Perform a full scan with an antivirus software.
3."They start after a minute or two."
I suspect there is a third party service confilct here. Please perform a clean boot to verify whether there is a third party conflict here .
How to perform a clean boot in Windows
https://support.microsoft.com/en-us/kb/929135
If the issue occurred with multiple machines in the domian ,I would suggest you to check whether you have configured any logon scripts and logon group policy .We can remove the machine from the domain to have a troubleshoot .
If the issue occurred recently ,we can perform a system restore to recover the machine to a previous normal point.
Best regards
Please remember to mark the replies as answers if they help, and unmark the answers if they provide no help. If you have feedback for TechNet Support, contact [email protected].

No Data Change event generated for a XControl in a Type Def.

Hello,
Maybe I am missing something but the Data Change event of a XControl is not called when the XControl is used in a Type Def. or Strictly Type Def. (see the attached file).
There may be some logics behind it but it eludes me. Any idea of why or any idea of a workaround still keeping the Type Def. ?
Best Regards.
Julian
Windows XP SP2 & Windows Vista 64 - LV 8.5 & LV 8.5.1
Attachments:
XControl No Data Change event.zip ‏45 KB

Hi TWGomez,
Thank you for addressing this issue. It must be a XControl because it carries many implemented functions/methods (though there is none in the provided example).
Also consider that the provided non-working example is in fact a reduction of my actual problem (in a 1000-VI large application) to the smallest relevant elements. In fact I use a typedef of a mix of a lot of different XControls and normal controls, some of them being typedef, strictly typedef or normal controls and other XControls of XControls (of XControls...) in a object oriented like approach...
Hi Prashant,
I use a typedef to propagate its modifications automatically everywhere it is used in the application (a lot of places). As you imply a XControl would do the same, though one would like to construct a simple typedef when no additional functionality is wanted.
The remark "XControl=typedef+block diagram" is actually very neat (never thought of it that way) because it provides a workaround by transforming every typedef into a XControl. Thanks very much, I will explore this solution.
One issue remains: All normal controls update their displayed value when inserted into a typedef but not XControls. Data change event is not triggered. I known that XControls have some limitations (no array of XControls) but I would say, like TWGomez, that this is a “bug” considering the expected functionality.

How can I stop iCal giving multiple event notifications?

Fellow iCal users,
I'm currently using iCal and MobileMe to share calendars with my wife and kids, very successfully to my surprise after years of not quite getting it set up right. But, I'm plagued by one very annoying behaviour when creating events using iCal on Mac OS X Lion (10.7.1) at least, as opposed to iOS devices, and can't seem to find a way to stop it.
We have the service set to email new and changed events to the appropriate users so that everyone is aware of additions to the calendars. But here is what happens :-
Create New Event - Everyone gets an email to say "New Event added"
Give Event a name - Everyone gets an email to say "Event updated"
Set a time for the Event - Everyone gets an email to say "Event updated"
Set the correct calendar for the Event - Everyone gets an email to say "Event updated"
So, in the 20 seconds it takes me to create and set the event, everyone get 4 emails as I'm doing so. Needless to say I'm doing this in one go, and not closing the event between operations. I can't see a logical reason why anyone would prefer such a behaviour, as opposed to a single email once all the parameters are set during the creation or modification of an event. I've trying changing the Preferences from "Push" to "Every X minutes", but that didn't make any difference.
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I wish that I was replying with a solution. Alas, I am not. I am writing to commiserate. This issue is driving me and my husband (to whom all of the useless email notifications are being sent) completely bonkers.
Help! Anyone?
Anyone?

JComboBox event notification when select first entry in pop-up menu JDK 6

I recently began testing a Java GUI, I originally developed with JDK 1.5.0_11, with JDK 1.6.0_3. I have used the JComboBox in several applications developed using JDK 1.3.x and 1.4.x over the years. In every one of these earlier JDKs the JComboBox widgets all behaved the same. When you select the JComboBox widget, the pop-up menu appears and you can select any of the items from the menu list. Having made the selection with either a mouse click or a key press, an event notification is sent. Typically, an ActionEvent as well as either a mouse click event or a keypressed event may be sent. When testing with 1.6.0_x versions of the JDK and JRE, I can't account for any event notification being sent when selecting the first item at the top of the pop-up menu as the initial selection. If I select some other item on the list and then the first item, it works as it is supposed to work, but only after selecting another item first.
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    /* Note here that I am using a defaultComboModel as I have always done */
   jcboAliases = new JComboBox(urls);
   *jcboAliases.setEditable(false);*                               // Note here that the JComboBox is NOT editable
   jcboAliases.addActionListener(new ActionListener()   // ActionListener only receives a notification if the second or
   {                                                                            // another item in the pop-menu list is selected...but never the
      public void actionPerformed(ActionEvent ae)           // first item in the list
         String s = (String) jcboAliases.getSelectedItem();
         for (int i = 0; i < connections.size(); i++)
            conAlias = (String[]) connections.get(i);
            if (s.equals(conAlias))
isSelected = true;
break;
jlblName.setVisible(true);
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jtxtName.setVisible(true);
jtxtAddress.setText(conAlias[1]);
jtxtAddress.setVisible(true);
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jtxtUID.setVisible(true);
jtxtPWD.setVisible(true);
jtxtPWD.setText("");
jtxtPWD.requestFocus();
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}    I'm using a non-editable JComboBox because there is a pop-up menu with this and not with the JList widget. JComboBox behaves more like the JList MicroSoft counterpart. Another code snippet follows in which the JComboBox is editable. The same errant behavior occurs when selecting the first item from the pop-up menu: private JComboBox getJcboPCMember()
jcboPCMember = new JComboBox(PCViewerCustom.getCurrentMembers());
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jcboPCMember.setSelectedIndex(Integer.valueOf(PCViewerCustom.getCurrentHost(3)));
jcboPCMember.setEditable(true); // Note here that this JComboBox IS editable
jcboPCMember.addActionListener(new ActionListener()
public void actionPerformed(ActionEvent ae)
if (ae.getActionCommand().equals("comboBoxEdited"))
boolean copy = false;
for (int i = 0; i < jcboPCMember.getItemCount(); i++)
if (jcboPCMember.getSelectedItem().equals(jcboPCMember.getItemAt(i)))
copy = true;
break;
if (!copy)
if (jcboPCMember.getItemCount() > 0)
if (jcboPCMember.getItemAt(0).equals("No Entries"))
jcboPCMember.removeItem("");
jcboPCMember.removeItem("No Entries");
jcboPCMember.insertItemAt((String) jcboPCMember.getSelectedItem(), 0);
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jcboPCMember.addItem((String) jcboPCMember.getSelectedItem());
enableJbtnOK();
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PCViewerCustom.setCurrentHost(3, Integer.toString(jcboPCMember.getSelectedIndex()));
enableJbtnOK();
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return jcboPCMember;
     I am able to add a new entry to the JComboBox, however, I am still unable to select the first item from the pop-up menu and fire any kind of notification event. I have not seen this behavior before in any earlier versions of the JDK and it's playing havoc with my ability to deploy the application into a JDK or JRE V6 environment, without adding a bunch of additional code to pre-select the first item on the list, which pretty much defeats the purpose of the JComboBox. I'll be the first to admit I've done something wrong, but i've built a number of test scenarios now on two systems runing Win XP SP2 and I get the same errant behavior. I've also added in event listeners for a MouseListerner, a KeyListener and an ItemListener. Still no event notification on this first item in the list. Again, however, if I select one of the other items from the pop-up menu list and then select the first item, all is well. Imagine selling that method of operation to a user.... It occurs to me that this must be a bug in the V6 JComboBox. I wanted to post this here first, however, in order to determine if this is, in fact, a bug - in other words, am I the only one seeing this, or is this a more widespread issue? Any assistance in making this determination is greatly appreciated.
David Baker
Edited by: Galstuk on Nov 27, 2007 12:21 PM

here is the other file as well:
Harold Timmis
[email protected]
Orlando,Fl
*Kudos always welcome
Attachments:
VI2.vi ‏5 KB

File Change Event Notification

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