Consumer Loops Does not work. conflict.
I am changing a operating project. I attached both of the projects which are the normal one working as desired and problematic one. In problematic project, only the main producer loop operates but consumers do not. I really do not understand why this happens. Most probably, I missed out something but I could not find. Can anyone help me on it. Thanks in advance.
Egemen
Attachments:
Projects.zip 1965 KB
Why are you making the user press the start button so many times to get this thing to run? The way you have it set up currently, you are setting up those DAQ tasks over and over again until the Start button is pressed. That is just very inefficient and likely causing memory leaks. You should only have to hit it once to start your test. After the first button press of the start, you should sequence through your state machine from Setup, VSC Setup, Record, and Running. You should not be looking at any of the button presses during this time.
You also have a lot of redundant waits. Looking at the running case alone, I see three sets of waits that much happen for that single state. Just have the outside loop have the wait. None of the inner cases/states need waits.
And I don't see your queues to your first set of consumer loops being closed. The consumer loops are waiting for the queue to be destroyed in order to stop.
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All the sound settings are working with everything else from games to media players. I set Windows' firewall to allow both the ActiveX and plugin for Flash, just in case.
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Date: Sun, 14 Nov 2010 17:37:07 -0700
From: [email protected]
To: [email protected]
Subject: Flash Player 10 does not work in IE or Firefox. What could it conflict with?
Something is strange with your list of modules; you list FlashUntil10i_Plugin (10.1.102.64), but this is really 10.1.85.3
I recommend that you uninstall Flash Player completely (using http://kb2.adobe.com/cps/141/tn_14157.html), then restart Windows, and delete all remaining files in C:\Windows\system32\Macromed\Flash.
Next reinstall both ActiveX (http://fpdownload.adobe.com/get/flashplayer/current/install_flash_player_ax.exe) and the plugin (http://fpdownload.adobe.com/get/flashplayer/current/install_flash_player.exe).
After that, if the problem persists, have a look at this page http://kb2.adobe.com/cps/837/cpsid_83739.html
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It's a pleasure to receive your help.
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Thank in advance,
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Hi to all.
It's a pleasure to receive your help.
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vi.zip 87 KBI just want to add some more details to Dan's answer. The subVI is acting exactly like you've coded it. The mistake is in understanding how subVIs work. When you call a subVI (or a function in any other language), you pass some parameters to it, the subVI does it's thing and returns values. the subVI does not accept new parameters from the calling VI until it returns to the caller and the caller runs the subVI again. In your case, you have a subVI with a while loop. You have some front panel control wired to the subVI's stop terminal. When first called, the value is false. So the subVI will keep running until the subVI's stop button becomes true but you cannot change it from main until the subVI finishes and returns so the subVI will never stop. As Dan says, the solution is pass references of front panel controls to the subVI and have the subVI monitor those references for changes and to update references to indicators on Main. You subVI does not need any front panel controls or indicators of it's own.
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more /var/log/caldavd/error.log
2011-10-26 08:28:33+0200 [-] Log opened.
2011-10-26 08:28:33+0200 [-] twistd 11.0.0 (/System/Library/Frameworks/Python.framework/Versions/2.7/Resources/Python.app/ Contents/MacOS/Python 2.7.1) starting up.
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2011-10-26 08:28:33+0200 [-] [twistedcaldav.upgrade#warn] Regular collection hidden: /Library/Server/Calendar and Contacts/Documents/calendars/__uids__/21/D0/21D05230-A847-4B8D-B810-CFE793F634C B/outbox
2011-10-26 08:28:33+0200 [-] [twistedcaldav.upgrade#warn] Regular collection hidden: /Library/Server/Calendar and Contacts/Documents/calendars/__uids__/84/5E/845E1E6D-F13B-4233-A4E5-0055F085388 1/outbox
2011-10-26 08:28:33+0200 [-] [twistedcaldav.upgrade#warn] Regular collection hidden: /Library/Server/Calendar and Contacts/Documents/calendars/__uids__/B5/B6/B5B6BAA3-A5E0-4526-B7F3-15DC2811E08 3/outbox
2011-10-26 08:28:33+0200 [-] [twistedcaldav.upgrade#warn] Regular collection hidden: /Library/Server/Calendar and Contacts/Documents/calendars/__uids__/E0/2B/E02BEF32-1714-4C5B-85DF-0184DA8B313 3/outbox
2011-10-26 08:28:33+0200 [-] [twistedcaldav.upgrade#warn] Regular collection hidden: /Library/Server/Calendar and Contacts/Documents/calendars/__uids__/E2/64/E264473A-CEC7-4E1A-9756-59DE5AF62E5 0/outbox
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2011-10-26 08:28:33+0200 [-] [txdav.common.datastore.util.UpgradeDatabaseSchemaService#warn] Required schema version: 3.
2011-10-26 08:28:33+0200 [-] [txdav.common.datastore.util.UpgradeDatabaseSchemaService#warn] Actual schema version: 3.
2011-10-26 08:28:33+0200 [-] [txdav.common.datastore.util.UpgradeDatabaseSchemaService#warn] Schema version check complete: no upgrade needed.
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2011-10-26 08:28:34+0200 [-] [txdav.common.datastore.util.UpgradeToDatabaseService#warn] Migrating calendar UID 'XXXXXXXX-5E85-4CC9-902A-A101164BD83F'
2011-10-26 08:28:34+0200 [Uninitialized] [twistedcaldav.notify.NotificationClientFactory#error] Unable to connect to notification server: [Failure instance: Traceback (failure with no frames): <class 'twisted.internet.error.ConnectionRefusedError'>: Connection was refused by other side: 61: Connection refused.
2011-10-26 08:28:34+0200 [-] [txdav.common.datastore.util.UpgradeToDatabaseService#warn] Migrating calendar UID 'XXXXXXXX-76C8-427C-AD0C-CB6D102C7D7F'
2011-10-26 08:28:37+0200 [Uninitialized] [twistedcaldav.notify.NotificationClientFactory#error] Unable to connect to notification server: [Failure instance: Traceback (failure with no frames): <class 'twisted.internet.error.ConnectionRefusedError'>: Connection was refused by other side: 61: Connection refused.
2011-10-26 08:28:46+0200 [Uninitialized] [twistedcaldav.notify.NotificationClientFactory#error] Unable to connect to notification server: [Failure instance: Traceback (failure with no frames): <class 'twisted.internet.error.ConnectionRefusedError'>: Connection was refused by other side: 61: Connection refused.
2011-10-26 08:28:58+0200 [-] [txdav.common.datastore.util.UpgradeToDatabaseService#warn] Migrating calendar UID 'XXXXXXXX-A847-4B8D-B810-CFE793F634CB'
2011-10-26 08:28:59+0200 [-] [txdav.common.datastore.util.UpgradeToDatabaseService#warn] Migrating calendar UID 'XXXXXXXX-6E96-4671-9BEB-FAABDB623EA3'
2011-10-26 08:28:59+0200 [-] [txdav.common.datastore.util.UpgradeToDatabaseService#warn] Migrating calendar UID 'XXXXXXXX-C56A-462D-90E0-D60285CCF751'
2011-10-26 08:28:59+0200 [-] [txdav.common.datastore.util.UpgradeToDatabaseService#warn] Migrating calendar UID 'XXXXXXXX-F13B-4233-A4E5-0055F0853881'
2011-10-26 08:29:07+0200 [Uninitialized] [twistedcaldav.notify.NotificationClientFactory#error] Unable to connect to notification server: [Failure instance: Traceback (failure with no frames): <class 'twisted.internet.error.ConnectionRefusedError'>: Connection was refused by other side: 61: Connection refused.
2011-10-26 08:29:11+0200 [-] [txdav.common.datastore.util.UpgradeToDatabaseService#warn] Migrating calendar UID 'XXXXXXXX-A2A9-4B21-8735-577F24ABA6D5'
2011-10-26 08:29:11+0200 [-] [txdav.common.datastore.util.UpgradeToDatabaseService#warn] Migrating calendar UID 'XXXXXXXX-7A55-4B63-AC42-43151A1F4810'
2011-10-26 08:29:11+0200 [-] [txdav.common.datastore.util.UpgradeToDatabaseService#warn] Migrating calendar UID 'XXXXXXXX-F38C-489D-88A2-42B5F47BB4AD'
2011-10-26 08:29:11+0200 [-] [txdav.common.datastore.util.UpgradeToDatabaseService#warn] Migrating calendar UID 'XXXXXXXX-A5E0-4526-B7F3-15DC2811E083'
2011-10-26 08:29:12+0200 [-] [txdav.common.datastore.util.UpgradeToDatabaseService#warn] Migrating calendar UID 'XXXXXXXX-97BE-43C3-94F7-A8C99AB92425'
2011-10-26 08:29:12+0200 [-] [txdav.common.datastore.util.UpgradeToDatabaseService#warn] Migrating calendar UID 'XXXXXXXX-9C74-412D-8DC0-69E3ED918CAD'
2011-10-26 08:29:13+0200 [-] [txdav.common.datastore.util.UpgradeToDatabaseService#warn] Migrating calendar UID 'XXXXXXXX-D6BD-450E-A8A1-708C063EF05F'
2011-10-26 08:29:13+0200 [-] [txdav.common.datastore.util.UpgradeToDatabaseService#warn] Migrating calendar UID 'XXXXXXXX-EC4C-43B6-A6A8-EA02F4024EB3'
2011-10-26 08:29:14+0200 [-] [txdav.common.datastore.util.UpgradeToDatabaseService#warn] Migrating calendar UID 'XXXXXXXX-1714-4C5B-85DF-0184DA8B3133'
2011-10-26 08:29:15+0200 [-] [txdav.common.datastore.util.UpgradeToDatabaseService#warn] Migrating calendar UID 'XXXXXXXX-CEC7-4E1A-9756-59DE5AF62E50'
2011-10-26 08:29:26+0200 [-] [txdav.common.datastore.util.UpgradeToDatabaseService#warn] Migrating calendar UID 'XXXXXXXX-E113-470C-A824-0D988A8319FB'
2011-10-26 08:29:30+0200 [-] [txdav.common.datastore.util.UpgradeToDatabaseService#warn] Migrating calendar UID 'wiki-XXXXXXXX'
2011-10-26 08:29:32+0200 [-] [txdav.common.datastore.util.UpgradeToDatabaseService#warn] Migrating calendar UID 'wiki-XXXXXXXX'
2011-10-26 08:29:32+0200 [-] [txdav.common.datastore.util.UpgradeToDatabaseService#warn] Migrating calendar UID 'wiki-XXXXXXXX'
2011-10-26 08:29:33+0200 [-] Unhandled error in Deferred:
2011-10-26 08:29:33+0200 [-] Unhandled Error
Traceback (most recent call last):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/twi sted/internet/defer.py", line 361, in callback
self._startRunCallbacks(result)
File "/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/twi sted/internet/defer.py", line 455, in _startRunCallbacks
self._runCallbacks()
File "/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/twi sted/internet/defer.py", line 542, in _runCallbacks
current.result = callback(current.result, *args, **kw)
File "/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/twi sted/internet/defer.py", line 1076, in gotResult
_inlineCallbacks(r, g, deferred)
--- <exception caught here> ---
File "/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/twi sted/internet/defer.py", line 1020, in _inlineCallbacks
result = g.send(result)
File "/usr/share/caldavd/lib/python/txdav/common/datastore/util.py", line 146, in doMigration
uid = fileHome.uid()
exceptions.AttributeError: 'NoneType' object has no attribute 'uid'
2011-10-26 08:30:13+0200 [Uninitialized] [twistedcaldav.notify.NotificationClientFactory#error] Unable to connect to notification server: [Failure instance: Traceback (failure with no frames): <class 'twisted.internet.error.ConnectionRefusedError'>: Connection was refused by other side: 61: Connection refused.
2011-10-26 08:33:19+0200 [Uninitialized] [twistedcaldav.notify.NotificationClientFactory#error] Unable to connect to notification server: [Failure instance: Traceback (failure with no frames): <class 'twisted.internet.error.ConnectionRefusedError'>: Connection was refused by other side: 61: Connection refused.
2011-10-26 08:42:07+0200 [Uninitialized] [twistedcaldav.notify.NotificationClientFactory#error] Unable to connect to notification server: [Failure instance: Traceback (failure with no frames): <class 'twisted.internet.error.ConnectionRefusedError'>: Connection was refused by other side: 61: Connection refused.
2011-10-26 09:06:13+0200 [Uninitialized] [twistedcaldav.notify.NotificationClientFactory#error] Unable to connect to notification server: [Failure instance: Traceback (failure with no frames): <class 'twisted.internet.error.ConnectionRefusedError'>: Connection was refused by other side: 61: Connection refused.
2011-10-26 09:44:28+0200 [-] Received SIGTERM, shutting down.
2011-10-26 09:44:28+0200 [-] (UNIX Port '/var/run/caldavd-stats.sock' Closed)
2011-10-26 09:44:28+0200 [-] (UNIX Port '/var/run/caldavd/caldavd.sock' Closed)
2011-10-26 09:44:28+0200 [-] Main loop terminated.
2011-10-26 09:44:29+0200 [-] Server Shut Down.
2011-10-26 09:46:13+0200 [-] Log opened.
2011-10-26 09:46:13+0200 [-] twistd 11.0.0 (/System/Library/Frameworks/Python.framework/Versions/2.7/Resources/Python.app/ Contents/MacOS/Python 2.7.1) starting up.
2011-10-26 09:46:13+0200 [-] reactor class: twext.internet.kqreactor.KQueueReactor.
2011-10-26 09:46:13+0200 [-] calendarserver.accesslog.AMPLoggingFactory starting on "'/var/run/caldavd/caldavd.sock'"
2011-10-26 09:46:13+0200 [-] calendarserver.tap.caldav.CalDAVStatisticsServer starting on "'/var/run/caldavd-stats.sock'"
2011-10-26 09:46:13+0200 [-] [txdav.common.datastore.util.UpgradeDatabaseSchemaService#warn] Beginning database schema check.
2011-10-26 09:46:13+0200 [-] [txdav.common.datastore.util.UpgradeDatabaseSchemaService#warn] Required schema version: 3.
2011-10-26 09:46:14+0200 [-] [txdav.common.datastore.util.UpgradeDatabaseSchemaService#warn] Actual schema version: 3.
2011-10-26 09:46:14+0200 [-] [txdav.common.datastore.util.UpgradeDatabaseSchemaService#warn] Schema version check complete: no upgrade needed.
2011-10-26 09:46:14+0200 [-] [txdav.common.datastore.util.UpgradeDatabaseSchemaService#warn] Database schema check complete, launching database service.
2011-10-26 09:46:14+0200 [-] [txdav.common.datastore.util.UpgradeToDatabaseService#warn] Beginning filesystem -> database upgrade.
2011-10-26 09:46:14+0200 [-] Unhandled error in Deferred:
2011-10-26 09:46:14+0200 [-] Unhandled Error
Traceback (most recent call last):
File "/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/twi sted/application/service.py", line 184, in setServiceParent
self.parent.addService(self)Just to let everybody know what I am trying at the moment:
Found a thread where someone suggests to delete the postgresql-database:
Detials in this thread https://discussions.apple.com/thread/3206720?start=0&tstart=0
1. sudo serveradmin stop calendar addressbook
2. copy old 10.6.8 calender data from backup ("../Library/CalendarServer/Documents/") to /Library/Server/Calendar\ and\ Contacts/Documents/
3. delete database: sudo dropdb -U _postgres caldav
4. mv (if it exists) /Library/Server/Calendar\ and\ Contacts/Documents/calendars-migrated to /Library/Server/Calendar\ and\ Contacts/Documents/calendars-migrated-old
5. sudo calendarserver_bootstrap_database
6. now we start again: sudo serveradmin start calendar
7. watch the log file - tail -f /var/log/caldavd/error.log
And I get the same error as above but now I see a new one:
2011-10-26 15:29:19+0200 [Uninitialized] [twistedcaldav.memcachepool.MemCacheClientFactory#error] MemCache connection failed: [Failure instance: Traceback (failure with no frames): <class 'twisted.internet.error.ConnectionRefusedError'>: Connection was refused by other side: 61: Connection refused.
Every help is welcome, bye
Christoph -
Update process does not work on Tabular Form
Hello,
I have 2 tabular forms on one page, which are using manual update processes.
First form is created using wizard, and therefore works perfectly.
The update process is as follows:
DECLARE
lc_string VARCHAR2(4000);
BEGIN
FOR i IN 1..APEX_APPLICATION.G_f01.COUNT
LOOP
lc_string := lc_string|| '[' ||APEX_APPLICATION.G_f*03*(i) || '|' || APEX_APPLICATION.G_f*04*(i) || ']';
END LOOP;
--Database processing using the concatenated string here
END;Second form is created manually, using the following code:
SELECT apex_item.checkbox (30,
'#ROWNUM#',
'onclick="highlight_row(this,' || '#ROWNUM#'|| ')"',
NULL,
'f30_' || '#ROWNUM#'
) delete_checkbox,
CATALOG_ID,
apex_item.hidden (31, CATALOG_ID)
|| apex_item.text (32,
LANG,
80,
100,
'style="width:100px"',
'f32_' || '#ROWNUM#'
|| apex_item.hidden (33, wwv_flow_item.md5 (LANG, DESCRIPTION)) LANG,
apex_item.text (34,
DESCRIPTION,
80,
100,
'style="width:255px"',
'f34_' || '#ROWNUM#'
) DESCRIPTION
FROM V_CATALOGS
UNION ALL
SELECT apex_item.checkbox
(30,
TO_NUMBER(9900 + LEVEL),
'onclick="highlight_row(this,' || '#ROWNUM#' || ')"',
NULL,
'f30_' || TO_NUMBER (9900 + LEVEL)
) delete_checkbox,
NULL,
apex_item.hidden (31, NULL)
|| apex_item.text (32,
NULL,
80,
100,
'style="width:100px"',
'f32_' || TO_NUMBER (9900 + LEVEL)
|| apex_item.hidden (33, NULL) LANG,
apex_item.text
(34,
NULL,
80,
100,
'style="width:255px" ' ,
'f34_'
|| TO_NUMBER (9900 + LEVEL)
) DESCRIPTION
FROM DUAL
WHERE :P18_TEMP = 'ADD_ROWS1'
CONNECT BY LEVEL <= 1However, the update process does not work on this form.
I created it using the first one as an example, but with the id's of the second form:
DECLARE
lc_string VARCHAR2(4000);
BEGIN
FOR i IN 1..APEX_APPLICATION.G_f*30*.COUNT
LOOP
lc_string := lc_string|| '[' ||APEX_APPLICATION.G_f*32*(i) || '|' || APEX_APPLICATION.G_f*34*(i) || ']';
END LOOP;
--Database processing using the concatenated string here
END;Also, both forms are opening in a modal pop-up dialog window.
I use a Dialog Region plug-in for that.
Please advise, what is causing a problem with update?Sloger,
if this is your tabular form
SELECT apex_item.checkbox (30,
...and this is your update statement
FOR i IN 1..APEX_APPLICATION.G_f*30*.COUNT
...Then you will only ever update records that have been checked. Unchecked checkboxes are not passed back in the global array. You need to have a hidden column with the ID's for the record and loop through that when you are updating/inserting. That is why the built in tabular form has a MRU and a MRD. the MRU loops through the hidden ID column. The MRD loops through the checkbox.
Thanks,
Tyson Jouglet -
HP Pavillion Does NOT work Straight Out of the Box after Purchase
My daughter bought a new HP Pavillion from Office Depot before starting computer classes at the university. The first one would not work at all and after the tech folks tried all that they could and it would not work, the Office Depot staff exchanged it for another one. Straight out of the box, it does not work. It crashes constantly. My daughter has spent HOURS that she needs for assignments on the phone with HP tech support. Here is where she stands with the situation now: She bought the extended warranty, but apparently that does not cover computers that don't work. The HP warranty....does not apparently assure that you get a working computer either, even when it's just days old and won't function. So....after spending from about 1p to nearly 6p today on the phone with HP tech support, she is not assured that it will work.
They are calling back on Friday to see.
So if it is NOT working, are we just out of luck with a piece of junk that does not function except as a word processor? That won't connect to the internet without crashing? We have been given no options or assurances.
( Post edited by Moderator) When you buy a computer, it should work when it's brand new. If you have a warranty, does that mean that HP stands behind their product and refund the consumer's money when it doesn't? The new HP Envy printer did not work, due to a defective ink cartridge enclosed with it. Does any HP product work at all?@Mariellynne
I have brought your issue to the attention of an appropriate team within HP. They will likely request information from you in order to look up your case details or product serial number. Please look for a private message from an identified HP contact. Additionally, keep in mind not to publicly post ( serial numbers and case details).
If you are unfamiliar with how the Forum's private message capability works, you can learn about that here.
http://h30434.www3.hp.com/t5/First-Time-Here-Learn-How-to-Post-and-More/bd-p/Hello
I work for HP -
After an upgrade of acrobat reader 9 to acrobat reader 11 the automatic printing of a pdf. The pdf is opened, but the print does not happen. With acrobat reader 9 it works. But with acrobat reader 11 the printing does not happen.
I discovered when you specify pp.constants.interactionLevel.full it works on acrobat reader 11. But when you specify pp.constants.interactionLevel.silent or pp.constants.interactionLevel.automatic it does not work on acrobat reader 11. But with the full option we have a dialog print box
we do not want.
In our jsp we load a pdf document and create a message handler to detect the print events of a pdf document that is in an <object> tag.
In the pdf document we add
package be.post.lpo.util;
import org.apache.commons.lang.StringEscapeUtils;
import org.apache.commons.lang.StringUtils;
public class AcrobatJavascriptUtil {
public String getPostMessageToHostContainer(String messageName, String messageBody){
return "var aMessage=['"+messageName+ "', '"+ messageBody+"'];this.hostContainer.postMessage(aMessage);";
public String getAutoPrintJavaScript(String interactiveType, String printerName,String duplexType) {
String interactiveTypeCommand = "";
if (StringUtils.isNotBlank(interactiveType)){
interactiveTypeCommand = "pp.interactive = " + interactiveType + ";";
String duplexTypeCommand = "";
if (StringUtils.isNotBlank(duplexType)){
duplexTypeCommand = "pp.DuplexType = " + duplexType + ";";
return "" + // //
"var pp = this.getPrintParams();" + // //
// Nointeraction at all dialog, progress, cancel) //
interactiveTypeCommand + //
// Always print to a printer (not to a file) //
"pp.printerName = \"" + StringEscapeUtils.escapeJavaScript(printerName) + "\";" + //
// Never print to a file. //
"pp.fileName = \"\";" + //
// Print images using 600 DPI. This option MUST be set or some barcodes cannot //
// be scanned anymore. //
"pp.bitmapDPI = 600;" + //
// Do not perform any page scaling //
"pp.pageHandling = pp.constants.handling.none;" + //
// Always print all pages //
"pp.pageSubset = pp.constants.subsets.all;" + //
// Do not autocenter //
"pp.flags |= pp.constants.flagValues.suppressCenter;" + //
// Do not autorotate //
"pp.flags |= pp.constants.flagValues.suppressRotate;" + //
// Disable setPageSize i.e. do not choose paper tray by PDF page size //
"pp.flags &= ~pp.constants.flagValues.setPageSize;" + //
// Emit the document contents. Document comments are not printed //
"pp.printContent = pp.constants.printContents.doc;" + //
// printing duplex mode to simplex, duplex long edge, or duplex short edge feed //
duplexTypeCommand +
// Print pages in the normal order. //
"pp.reversePages = false;" + //
// Do the actual printing //
"this.print(pp);";
snippets for java code that adds
package be.post.lpo.util;
import org.apache.commons.lang.StringUtils;
import com.lowagie.text.Document;
import com.lowagie.text.DocumentException;
import com.lowagie.text.pdf.PdfAction;
import com.lowagie.text.pdf.PdfDestination;
import com.lowagie.text.pdf.PdfImportedPage;
import com.lowagie.text.pdf.PdfName;
import com.lowagie.text.pdf.PdfReader;
import com.lowagie.text.pdf.PdfWriter;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
public class PdfMergerUtil{
private static final PdfName DID_PRINT = PdfName.DP;
private static final PdfName WILL_PRINT = PdfName.WP;
private List<PdfActionJavaScriptHolder> actionJavaScripts = new ArrayList<PdfActionJavaScriptHolder>();
private class PdfActionJavaScriptHolder{
private final PdfName actionType;
private final String javaScript;
public PdfActionJavaScriptHolder(PdfName actionType, String javaScript) {
super();
this.actionType = actionType;
this.javaScript = javaScript;
public PdfName getActionType(){
return this.actionType;
public String getJavaScript(){
return this.javaScript;
public void writePdfs(OutputStream outputStream, List<InputStream> documents, String documentLevelJavaScript) throws Exception {
Document document = new Document();
try {
// Create a writer for the outputstream
PdfWriter writer = PdfWriter.getInstance(document, outputStream);
document.open();
// Create Readers for the pdfs.
Iterator<PdfReader> iteratorPDFReader = getPdfReaders(documents.iterator());
writePdfReaders(document, writer, iteratorPDFReader);
if (StringUtils.isNotBlank(documentLevelJavaScript)){
writer.addJavaScript(documentLevelJavaScript);
addAdditionalActions(writer);
outputStream.flush();
} catch (Exception e) {
e.printStackTrace();
throw e;
} finally {
if (document.isOpen()){
document.close();
try {
if (outputStream != null){
outputStream.close();
} catch (IOException ioe) {
ioe.printStackTrace();
throw ioe;
public void addAdditionalDidPrintAction(String javaScript){
actionJavaScripts.add(new PdfActionJavaScriptHolder(DID_PRINT, javaScript));
public void addAdditionalWillPrintAction(String javaScript){
actionJavaScripts.add(new PdfActionJavaScriptHolder(WILL_PRINT, javaScript));
private void writePdfReaders(Document document, PdfWriter writer,
Iterator<PdfReader> iteratorPDFReader) {
int pageOfCurrentReaderPDF = 0;
// Loop through the PDF files and add to the output.
while (iteratorPDFReader.hasNext()) {
PdfReader pdfReader = iteratorPDFReader.next();
// Create a new page in the target for each source page.
while (pageOfCurrentReaderPDF < pdfReader.getNumberOfPages()) {
document.newPage();
pageOfCurrentReaderPDF++;
PdfImportedPage page = writer.getImportedPage(pdfReader, pageOfCurrentReaderPDF);
writer.getDirectContent().addTemplate(page, 0, 0);
pageOfCurrentReaderPDF = 0;
private void addAdditionalActions(PdfWriter writer) throws DocumentException{
if (actionJavaScripts.size() != 0 ){
PdfAction action = PdfAction.gotoLocalPage(1, new PdfDestination(PdfDestination.FIT), writer);
writer.setOpenAction(action);
for (PdfActionJavaScriptHolder pdfAction : actionJavaScripts ){
if (StringUtils.isNotBlank(pdfAction.getJavaScript())){
action = PdfAction.javaScript(pdfAction.getJavaScript(), writer);
writer.setAdditionalAction(pdfAction.getActionType(), action);
private Iterator<PdfReader> getPdfReaders(Iterator<InputStream> iteratorPDFs) throws IOException {
List<PdfReader> readers = new ArrayList<PdfReader>();
while (iteratorPDFs.hasNext()) {
InputStream pdf = iteratorPDFs.next();
PdfReader pdfReader = new PdfReader(pdf);
readers.add(pdfReader);
return readers.iterator();
JSP code
<script type="text/javascript" src="<bean:message key="scripts.js.internal.jquery" bundle="app"/>"></script>
<script language="javascript">
function goToDidPrintUrl(){
var url = "<%=didPrintUrl%>";
window.location.assign(url);
function createMessageHandler() {
var PDFObject = document.getElementById("myPdf");
PDFObject.messageHandler = {
onMessage: function(msg) {
if (msg[0] == "WILL_PRINT"){
$("#printingTransitFeedBackMessage").text('<%=willPrintMessage%>');
if(msg[0] == "DID_PRINT"){
$("#printingTransitFeedBackMessage").text('<%=didPrintMessage%>');
setTimeout('goToDidPrintUrl()',4000);
onError: function(error, msg) {
alert(error.message);
</script>
</head>
<body onLoad="createMessageHandler();">
<div id="printingTransitFeedbackArea">
<div class="info" id="printingTransitFeedBackMessage"><%=documentOpenMessage%></div>
</div>
<object id="myPdf" type="application/pdf" width="100%" height="100%" data="<%=toBePrintedUrl%>">
</object>
</body>From the JS API Reference of the print method:
Non-interactive printing can only be executed during batch, console, and menu
events.
Outside of batch, console, and menu events, the values of bUI and of interactive are ignored
and a print dialog box will always be presented.
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