KVO callback sometimes not called.

Hi,
I've developed an application where the framework (XGrid) sometimes does not seem to call the observerValueForKeyPath method everytime. Sometimes it works fine, other times I don't get the callbacks even though the value has changed. I was wondering if this could be some sort of threading issue? I found that when I initiated the code via the UI (IBAction) it seemed to be more reliable.
Cheers,
Marc.

I'm not explicitly starting any threads. I'm guessing there is some sort of UI thread in cocoa, which will be differnt from the thread the app starts on. If I start the controller in via the app delegate ,and then start the job via an IBAction, I imagine these are two separate threads? Correct me if I'm wrong. It seems to be more stable in that scenario (but observerValueForKeyPath still sometimes does not get called).
If I start the controller and the job both via the app delegate, it never seems to call observerValueForKeyPath.
Marc.

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EventQueueMonitor: guiInitialized is sometimes not called?

If waiting for gui initialized event in a java agent that is loaded before my applet, guiInitialized behavior is not stable.
In some machine, it's invoked, but in a machine in it is not called.
I don't whether this is a permission or configuration issue.
I have grant the applet with java.security.AllPermission privilege.
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Sounds like a race condition. I would use instead:
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Ajax:callback function not called for every readystatechange of the request

Author: khk Posts: 2 Registered: 2/17/06
Feb 17, 2006 11:04 PM
Hi
I am working with an ajax program.
In that i have defined a callback funtion
but that function is not being called for every readystatechange of the request object for the first request .
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function find(start,number){
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Triple post.
You have been answered here: http://forum.java.sun.com/thread.jspa?threadID=709676

IPhone touchesEnded sometimes not called

I have a small game that needs to know when a user touches the screen and also when they release.
Now whilst I always get a touchesBegan event, sometimes I don't get the corresponding touchesEnded event (which is somewhat annoying).
Was just wondering if anyone else had seen this.

Hi, I've been wrestling with this problem for a few days now. I have something of a fix, which may help some of you, but it requires turning on the accelerometer.
First, it does seems as if the problem is that the timer events are crowding out touches and accelerometer events. But I've found a way to use the accelerometer update to avoid the problem.
Here is my workaround:
1. turn on the UIAccelerometer in your initialization code:
UIAccelerometer* theAccelerometer = [UIAccelerometer sharedAccelerometer];
theAccelerometer.delegate = self;
2. set the UIAccelerometer update interval to your desired frame rate:
theAccelerometer.updateInterval = .01667f;// ie, 60 fps
(For some reason — I am new to C — 1/60 doesn't seem to work, so I use floating decimals.)
3. Call your frame update method from within the UIAccelerometer update event:
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[myView setNeedsDisplay];
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The downside, of course, is that you need to activate the accelerometer, which undoubtedly ***** up some resources (although I don't know how much.)
Anyway, I'd be curious to know if this works for anyone else.

Java script callback not called from plugin code

Hi,
I am having a plugin which works on FF 3.6. I am trying to make it work on FireFox 4/5. My java script callback for resize is getting called only for first time from plugin code and second time onwards its not getting called. We are using Gecko 2.0 plug-in library.
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https://bugzilla.mozilla.org/show_bug.cgi?id=664682
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The first Bug is listed as a duplicate of the 2nd Bug you posted.
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In incoming call, why iphone 4S (ios 7.04) sometimes gives option to decline the call and sometimes not?

In incoming call, why iphone 4S (ios 7.04) sometimes gives option to decline the call and sometimes not?

Try to do this experience.
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Failover callback not called when listener dies

I need to create a RAC-aware Pro*C application.
I got the preconfigured VirtualBox images with OL 5 and RAC nodes.
The listener is installed on both machines too. They share a single IP address for the listener, which I added to the hosts file:
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Could it be that the failover only works when the DB service fails, but not the listener?

The problem was bad connection string

Occi AQ callback not called

I have written code for dequeing messages with blocking calls (Consumer::recieve), which works fine. Now I try to register a callback function, which should be called when a message is in the queue.
Some code:
void aq_connection::create_callback() {
payload = new Bytes(env); //?
Subscription newSubscription(env);
newSubscription.setSubscriptionNamespace(oracle::occi::aq::Subscription::NS_AQ);
newSubscription.setProtocol(oracle::occi::aq::Subscription::PROTO_CBK);
newSubscription.setPayload(*payload);
newSubscription.setCallbackContext((void *)this);
newSubscription.setSubscriptionName(quename + ":" + config->subscribername);
newSubscription.setPresentation(oracle::occi::aq::Subscription::PRES_DEFAULT);
newSubscription.setNotifyCallback(&aq_connection::event_message);
mye callback method is defined like this:
static unsigned int event_message(oracle::occi::aq::Subscription &sub ,oracle::occi::aq::NotifyResult *not) {
std::cout << "got message\n";
return 0;
The problem is, the event_message function is never called... I send in messages into the queue with this stored procedure:
message := OURMSG_TYP(p_id, p_msg_type_id, p_msg, p_operation, p_data);
enqueue_options.visibility := DBMS_AQ.ON_COMMIT;
     enqueue_options.relative_msgid := NULL;
     enqueue_options.sequence_deviation := NULL;
     enqueue_options.transformation := NULL;
     message_properties.priority := 1;
     message_properties.delay :=     DBMS_AQ.NO_DELAY;
     message_properties.expiration := p_expiration;
     message_properties.correlation := NULL;
     --message_properties.recipient_list :=
     message_properties.exception_queue := vcp_exception_queue_name;
     --message_properties.sender_id :=
     message_properties.original_msgid := NULL;
     message_properties.transaction_group := NULL;
     message_properties.user_property :=     NULL;
     DBMS_AQ.ENQUEUE(
     queue_name => our_queue_name,
enqueue_options => enqueue_options,
message_properties => message_properties,
payload => message,
msgid => message_handle
Any obvious reason why my callback is never called?
regards,
Sverre

Thanks, once again. Sorry for my naive questions, but I'm unable to find a good example for this...
After registering the Subscriber, and creating the environment in EVENT mode, it seems like it is picking up the message. Once I send a AQ message, I get an error from visual studio, telling me the variable ESP was not properly saved across a function call. At least it reacts now :)
Could it be that I'm doing something wrong when defining or hooking my callback function? The breakpoint in the callback function is never called....
my registering routine now looks like this:
void aq_connection::create_callback() {
payload = new Bytes(env); //is this the correct way?
Subscription sub(env);
sub.setSubscriptionNamespace(oracle::occi::aq::Subscription::NS_AQ);
sub.setProtocol(oracle::occi::aq::Subscription::PROTO_CBK);
sub.setPayload(*payload);
sub.setCallbackContext((void *)this);
sub.setSubscriptionName(quename + ":" + config->subscribername);
sub.setPresentation(oracle::occi::aq::Subscription::PRES_DEFAULT);
sub.setNotifyCallback(&aq_connection::event_message);
subs.push_back(sub);
conn->registerSubscriptions(subs);
I thought it was ok to create a local Subscription instance, as I put it into the global subs-vector.
Thanks in advance,
Sverre

OCCI AQ Subscription: callback not called

When data changed in table, I want my application to know immediately. So I use the Subsription class. The implements as follows. When I insert row to table set_tab_info, the triggers acts, but the callback not called. What's wrong?
--create multi consumer queue table
BEGIN
dbms_aqadm.create_queue_table (
                                   queue_table => 'hr.table06',
                                   queue_payload_type => 'RAW',
                                   comment => 'multi-consumer',
                                   multiple_consumers => TRUE,
                                   compatible => '8.1.0'
END;
--create multi consumer queue
BEGIN
dbms_aqadm.create_queue (
                              queue_name => 'queue06',
                              queue_table=> 'hr.table06'
END;
BEGIN
dbms_aqadm.start_queue(queue_name => 'queue06');
END;
--create table
CREATE TABLE set_tab_info(
     flag NUMBER
--create trigger, as a test, the payload is a byte
CREATE OR REPLACE TRIGGER tablechangeNew
     AFTER UPDATE OR INSERT OR DELETE
     ON set_tab_info
     FOR EACH ROW
DECLARE
     enqopt dbms_aq.enqueue_options_t;
     mprop dbms_aq.message_properties_t;
     enq_msgid RAW(16);
     rcpt_list dbms_aq.aq$_recipient_list_t;
BEGIN
     rcpt_list(0) := sys.aq$_agent('RECEIVER06', null, null);
     mprop.recipient_list := rcpt_list;
     dbms_aq.enqueue(
                    queue_name => 'hr.queue06',
                    enqueue_options => enqopt,
                    message_properties => mprop,
                    payload => HEXTORAW('61'),
                    msgid => enq_msgid);
END;
#include <iostream>
#include <iomanip>
#include <string>
#include <cstdlib>
#include <vector>
using namespace std;
#include "occi.h"
using namespace oracle::occi;
#include "occiAQ.h"
using namespace oracle::occi::aq;
string username("HR");
string password("HR");
string connstr("192.168.8.22:1521/study");
Environment* p_env = NULL;
Subscription* p_sub = NULL;
Connection* p_conn = NULL;
vector<Subscription> sub_vec;
class NotifyRegister
public:
     static unsigned int callback(Subscription& sub, NotifyResult* nr)
          //nr->getPayload();
          //Message msg = nr->getMessage();
          //Bytes bt =nr->getMessageId();
          cout << "callback was called!" << endl;
          return 0;
     void notifyTest()
          p_env = Environment::createEnvironment(Environment::EVENTS);
          p_sub = new Subscription(p_env);
          p_sub->setSubscriptionNamespace(Subscription::NS_AQ);
          //SCHEMA.QUEUE:CONSUMER_NAME
          p_sub->setSubscriptionName("HR.QUEUE06:RECEIVER06");
          p_sub->setPresentation(Subscription::PRES_DEFAULT);
          p_sub->setProtocol(Subscription::PROTO_CBK);
          p_sub->setNotifyCallback(&NotifyRegister::callback);
          //what's the context mean, how to set?
          p_sub->setCallbackContext((void*)this);
          p_env->enableSubscription(*p_sub);
          p_conn = p_env->createConnection(username, password, connstr);
          sub_vec.push_back(*p_sub);
          p_conn->registerSubscriptions(sub_vec);
int main()
     NotifyRegister nr;
     nr.notifyTest();
     pause();
     return EXIT_SUCCESS;
I don't know how to set the callback context. so just use this statement:
p_sub->setCallbackContext((void*)this);

Thanks, once again. Sorry for my naive questions, but I'm unable to find a good example for this...
After registering the Subscriber, and creating the environment in EVENT mode, it seems like it is picking up the message. Once I send a AQ message, I get an error from visual studio, telling me the variable ESP was not properly saved across a function call. At least it reacts now :)
Could it be that I'm doing something wrong when defining or hooking my callback function? The breakpoint in the callback function is never called....
my registering routine now looks like this:
void aq_connection::create_callback() {
payload = new Bytes(env); //is this the correct way?
Subscription sub(env);
sub.setSubscriptionNamespace(oracle::occi::aq::Subscription::NS_AQ);
sub.setProtocol(oracle::occi::aq::Subscription::PROTO_CBK);
sub.setPayload(*payload);
sub.setCallbackContext((void *)this);
sub.setSubscriptionName(quename + ":" + config->subscribername);
sub.setPresentation(oracle::occi::aq::Subscription::PRES_DEFAULT);
sub.setNotifyCallback(&aq_connection::event_message);
subs.push_back(sub);
conn->registerSubscriptions(subs);
I thought it was ok to create a local Subscription instance, as I put it into the global subs-vector.
Thanks in advance,
Sverre

TS3367 My FaceTime will make the call but will not connect and will sometimes say call failed. What do i do?

My FaceTime will make the call but will not connect and will sometimes say call failed. What do i do?

don't update to iOS7 just yet if you prefer 6. Many are saying that's the cure, but there are lots of iOS7 users here who can't make Facetime work either.
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AQ callback not called in some environments

Hi,
I've got a client program that subscribes to a queue, and registers a callback that is called whenever a message is enqueued. This works fine on most computers, but on some computers this callback is never called. I've run it both in debug and release, and the breakpoint in the callback is never hit. On most computer thought, this works all the time.
This is how I register the callback:
sub = new Subscription(env);
sub->setSubscriptionNamespace(oracle::occi::aq::Subscription::NS_AQ);
sub->setProtocol(oracle::occi::aq::Subscription::PROTO_CBK);
sub->setCallbackContext((void *)this);
sub->setSubscriptionName(queue_name + ":" + config["subscribername"]);
sub->setPresentation(oracle::occi::aq::Subscription::PRES_DEFAULT);
sub->setNotifyCallback(&messagequeueclient_occi::event_message);
subs.push_back(*sub);
conn->registerSubscriptions(subs);
both subs and sub are class variables, and the callback look like this:
static unsigned int event_message(
oracle::occi::aq::Subscription &sub,
oracle::occi::aq::NotifyResult *nr
I've tried to examine the difference between the machines, but they all sem to have the same oracle client version etc...
Any tip would be greatly appreciated.
Regards,
Sverre

Thanks, once again. Sorry for my naive questions, but I'm unable to find a good example for this...
After registering the Subscriber, and creating the environment in EVENT mode, it seems like it is picking up the message. Once I send a AQ message, I get an error from visual studio, telling me the variable ESP was not properly saved across a function call. At least it reacts now :)
Could it be that I'm doing something wrong when defining or hooking my callback function? The breakpoint in the callback function is never called....
my registering routine now looks like this:
void aq_connection::create_callback() {
payload = new Bytes(env); //is this the correct way?
Subscription sub(env);
sub.setSubscriptionNamespace(oracle::occi::aq::Subscription::NS_AQ);
sub.setProtocol(oracle::occi::aq::Subscription::PROTO_CBK);
sub.setPayload(*payload);
sub.setCallbackContext((void *)this);
sub.setSubscriptionName(quename + ":" + config->subscribername);
sub.setPresentation(oracle::occi::aq::Subscription::PRES_DEFAULT);
sub.setNotifyCallback(&aq_connection::event_message);
subs.push_back(sub);
conn->registerSubscriptions(subs);
I thought it was ok to create a local Subscription instance, as I put it into the global subs-vector.
Thanks in advance,
Sverre

Air.swf GetApplicationVersion callback not called

I am trying to use air.swf from
http://airdownload.adobe.com/air/browserapi
per the Adobe documentation to detect if an air application is
already installed. I'm using getApplicationVersion but the callback
function is never called. launchApplication() and
installApplication() work fine.
The code looks like this:
_air.getApplicationVersion(appID, pubID,
versionDetectCallback);
VersionDetectCallback() is never called. I de-compiled the
air.swf and ran the code directly to try and figure out what's
failing. But I get the same result. I can see the timer on the
LocalConnection endpoint timing out after 5 seconds. I just can't
figure out why the appinstaller is not calling back. The actual
call (taken from the decompiled swf) looks like this:
airappinstaller = new ProductManager("airappinstaller");
var launchArgs:Array;
launchArgs = ["-isinstalled", appID, pubID, "adobe.com" + ":"
+ lcName, "onApplicationVersion"];
airappinstaller.launch(launchArgs.join(" "));
where onApplicationVersion is the endpoint callback function
and lcName is the LocalConnection name.
Anyone know why GetApplicationVersion() doesn't work?

I am trying to use air.swf from
http://airdownload.adobe.com/air/browserapi
per the Adobe documentation to detect if an air application is
already installed. I'm using getApplicationVersion but the callback
function is never called. launchApplication() and
installApplication() work fine.
The code looks like this:
_air.getApplicationVersion(appID, pubID,
versionDetectCallback);
VersionDetectCallback() is never called. I de-compiled the
air.swf and ran the code directly to try and figure out what's
failing. But I get the same result. I can see the timer on the
LocalConnection endpoint timing out after 5 seconds. I just can't
figure out why the appinstaller is not calling back. The actual
call (taken from the decompiled swf) looks like this:
airappinstaller = new ProductManager("airappinstaller");
var launchArgs:Array;
launchArgs = ["-isinstalled", appID, pubID, "adobe.com" + ":"
+ lcName, "onApplicationVersion"];
airappinstaller.launch(launchArgs.join(" "));
where onApplicationVersion is the endpoint callback function
and lcName is the LocalConnection name.
Anyone know why GetApplicationVersion() doesn't work?

Queue with callback function not dequeuing

Hi,
I would like to ask you for help or for a hint regarding our problem with the queue:
A trigger is enqueuing to a queue. This works fine, but the callback function is never called. The queue already worked for a while, but since i changed something at the procedure called by the callback it does not work anymore.
I already have tried the following:
-Stopping and restarting
-Dropping and recreating (with the scheduler having no jobs anymore)
-Dropping, restarting the database and recreating
None of these worked. Where do I fail, when considering that the queue with the same scripts worked already? I post the script for creating the queue and adding the subscriber:
CREATE OR REPLACE TYPE pat_history_queue_payload_type AS OBJECT
( TSTAMP VARCHAR2(22 CHAR),
TYP VARCHAR2(10 CHAR),
DELTA_MENGE NUMBER,
ORIGIN VARCHAR2(1 CHAR),
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QL_TSTAMP VARCHAR2(22 CHAR)
BEGIN
DBMS_AQADM.CREATE_QUEUE_TABLE (
queue_table => 'pat_history_queue_table',
queue_payload_type => 'pat_history_queue_payload_type',
multiple_consumers => TRUE
END;
BEGIN
DBMS_AQADM.CREATE_QUEUE (
queue_name => 'pat_history_queue',
queue_table => 'pat_history_queue_table',
max_retries => 10
DBMS_AQADM.START_QUEUE (
queue_name => 'pat_history_queue'
END;
BEGIN
DBMS_AQADM.ADD_SUBSCRIBER (
queue_name => 'pat_history_queue',
subscriber => SYS.AQ$_AGENT(
'pat_history_queue_subscriber',
NULL,
NULL )
DBMS_AQ.REGISTER (
SYS.AQ$_REG_INFO_LIST(
SYS.AQ$_REG_INFO(
'pat_history_queue:pat_history_queue_subscriber',
DBMS_AQ.NAMESPACE_AQ,
'plsql://PAT.HISTORY_QUEUE_DISTRIBUTION.CALLBACK',
HEXTORAW('FF')
1
END;
The function CALLBACK which is called by the queue, is never called, I checked that with log messages. Also the package that contains the function is compiled ok.
Thanks.
Roland

Hi,
Does the subscription show up correct in sys.reg$ ?
Regards,
Harry
http://dbaharrison.blogspot.com/

PSSigValGetAPLabelProc callback is never called, why?

I am understanding DigSig example, and am going to convert it to a proper dig signing plugin. So far i have understood the dig sig creation, validation and sig appearance creation satisfactorily, but what i cannot understand is why my PubSec registered plugin's (Acrobat 9 sdk example) two call backs are not called ever.
These are: PSSigValGetAPLabelProc and   PSGetLogoProc. Actually, I need to be able to update layers n1 and n3 depending on the status of the signature validation whenever a PDF is opened. From the documentation I’ve learned that the above callbacks is where I should put my code.
In SigCreateAPNXObj callback there is a comment:
// You must have n1 and n3 generated if you want your PSSigValGetAPLabelProc callback invoked
From this I deduced that I should at least specify n1 or n3. So I added the n1 layer in this method, like so:
xObjArray[0] = DigSigAPXObjectFromLogo(cosDoc, stmUnknownData, 0, &stmUnknownBBox, &bboxRec);
but still PSSigValGetAPLabelProc is not getting called (I m debugging the plugin btw). I have checked that this call back is set at registration time aswell.
Kindly, help me.

Thank you very much for your very prompt replies.
Just to make absolutely sure, i have read this paragraph in one of adobe's documents:
"Note:Prior to Acrobat 6.0, signature appearances were manipulated at run-time in order to display the validity of the signature. The validity was shown as a graphic icon and with an additional, optional text message. The manipulated portions of the signature appearance were contained in layers n1, n3 and n4. Beginning with version 6, Acrobat does not maintain support for signature appearances that can be manipulated, though legacy signatures with these appearances may continue to display correctly. Use of layers n1, n3, and n4 is not recommended."
1 - Does "legacy signatures" in above statement mean, signatures created via plugins created via legacy/older techniques?
2 - if i create my plugin using a legacy method i would be able to manipulate the nX layers during sig verification?
3 - And by "Legacy signatures", you mean Signatures created using DigSig registered plugin or plugin using older acrobat SDK?
One more thing. I inserted below question in my previous response just before your response came, so there is a possibility that it didt reach you.
4 - Is it possible to call .Net library from Acrobat Plugin via c++/CLI layer?
       Or
       Is it possible to use .Net dll from with in Acrobat Plugin, using anyother method, like windows service or something?
Thanks in advance for all the help that you have given so far, and for very prompt replies.

N73 - Can not call contacts

Sometimes I cant call my contacts or the caller log. This error have followed me through all the firmware upgrades, but it is still the same.
The error occurs from time to time and nothing happens when I press the green button. When I open caller log I can see all numbers but nothing happens when I press green. Same happens with contact list. I can open contacts, open details, but when I press "voicecall" nothing happens.
I can dial number manually and then call them. I can also send messages to contacts, but I can not call them in other ways than pres the number manually
The only thing that helps is a reboot.
Does anyone have any experience with this?

faizalajith wrote:
In N73 a major problem or error occurs it is "*u cant dial contact in ur phone directly*" but manually u can dial by entering the whole number.
There no fix till now only option was *switch off & on*.. which is still annoying..
i have noticed
*v home* software is a fix for it
only use v home screen to dial number.
Settings in Vhome for
"dial contact by name" is
>settings>smart dialling>name alone.
Still u dont want to switch off the phone every time go 4 vhome....
Download Here
gallery.mobile9.com/f/2507590/
Hi,
Welcome to the forum!
Try to perform the restore factory settings. Note that your files won't be deleted. To do this, go to Tools and then Settings. Select General and then Orig. phone settings. Enter the security code or the lock code. The default code is 12345 unless you changed it. If that didn't work, it's best to have your phone physically checked at the Nokia Care Point. They'll be able to help you with your concern. Note that charges may apply for the out of warranty phone.
You can visit this link for your local support page for further assistance: www.nokia.com/support

KVO callback sometimes not called.

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