Warp11 .::. Oracle Apex Knowledge Group » Richard Martens

SQL developer won’t connect to Apex listener 2.x

Richard Martens — Fri, 15 Mar 2013 11:14:35 +0000

Wow, I broke my brains over this for the last three days. I installed the apex listener as mentioned in the manual. It mentions you can use Java 6 Update 20 JDK or later. However, what they mean is that…

Setting an apex-item from PL/SQL

Richard Martens — Wed, 08 Aug 2012 07:59:48 +0000

Got it from Andy’s Blog: Within ApEx PL/SQL Processes, regions and items you can use the bind variable syntax (:PX_MY_ITEM) both to read and set the value of that item held in session state. Like so: :PX_MY_ITEM := 'wibble'; l_my_local_variable…

update Oracle Linux without CSI

Richard Martens — Sat, 23 Jun 2012 10:40:17 +0000

In my ongoing quest for freeware in combination with Oracle Apex I gave Oracle Unbreakable linux another try when I heard that you _are_ able to update/upgrade it using yum, without a support identifier. First we install Oracle Unbreakable Linux…

Unable to login or run an application after applying APEX 4.1.1 patch set?

Richard Martens — Fri, 24 Feb 2012 08:48:56 +0000

Patrick Wolf blogged about this, but I’d like to have it available here as well: If you get the error Workspace “[workspace name]” is inactive. Contact your administrator. when you try to login into your workspace or when you run…

APEX listener startup/shutdown script

Richard Martens — Mon, 13 Feb 2012 17:01:36 +0000

Watching our visitors and how they arrive on warp11.com I cam across this page: http://krisrice.blogspot.com/2010/12/listener-startupshutdown-script.html definately worthwile caching… here we go: Kris gives a script, which I altered a little bit. #!/bin/sh # # # chkconfig: 2345 80 05 #…

Mystery: Interactive Report broken for end-users!

Richard Martens — Tue, 03 Jan 2012 14:37:06 +0000

taken from: http://stewstools.wordpress.com/2010/11/04/mystery-interactive-report-broken-for-end-users/ GREAT story :-) <COPY> A friend dropped me a line saying her Apex app’s Interactive Report wasn’t working for her users anymore and she asked if I knew what could cause it. She said it worked for…

Import Apex Application at command line

Richard Martens — Mon, 12 Dec 2011 09:04:23 +0000

Recently (since 4.1 update) I’ve experienced issues when importing an application into an Apex environment. After a little bit of searching I found the way to do the import on the command-line. It is documented in the Apex documentation, but…

unique constraint violated WWV_FLOW_UNIQUE_MENU_OPT

Richard Martens — Wed, 07 Dec 2011 08:22:36 +0000

Creating a new page in an application I’m writing for a customer APEX gave me an error against the WWV_FLOW_UNIQUE_MENU_OPT constraint, after I hit the finish button in the last step of the wizard.. Now, that’s strange, why would APEX break…

To V or not to V…

Richard Martens — Thu, 20 Oct 2011 10:51:20 +0000

This is a one-on-one copy of an item blogged by Scott Splendolini <COPY> Earlier today, I tweeted the following: After this morning, I don’t think I will ever use the “v” function again. #orclapex I wanted to qualify what I…

UPDATE !: Oracle XE 11g R2 on CentOS 6

Richard Martens — Thu, 28 Jul 2011 11:44:57 +0000

<EDIT sept 2, 2011> Today oracle released the definitive version of Oracle XE 11.2. I haven’t had the opportunity to test that version against my blogs, but I’ll do that shortly. stay tuned </EDIT> In addendum on my installation series…

Opening up email in Apex 4 on Oracle XE 11

Richard Martens — Wed, 27 Jul 2011 12:38:51 +0000

Hi, I recently installed a new server (mainly by using the installation guide you can find in the menu). I think this needs an extra step, since I wasn’t able to send out emails from that system using Apex. In…

Calculate time difference between log-entries

Richard Martens — Thu, 16 Jun 2011 14:09:30 +0000

For me, myself and I (as a reminder) :-) I needed to calculate the difference between a log entry and the previous log-entry to be able to investigate where performance was dropping: With alittle bit of help here and here…

Fully freeware APEX environment VII: Oracle HTTP server (configuration)

Richard Martens — Wed, 25 May 2011 17:32:47 +0000

This is post 7 in the Fully Freeware APEX environment series. The post will cover the configuration of the Oracle HTTP server. Please mention, that I’m not fully aware about the license restrictions on the Oracle HTTP server. What I…

Fully freeware APEX environment VI: Oracle HTTP server (installation)

Richard Martens — Mon, 23 May 2011 14:34:41 +0000

This is post 6 in my series about a fully freeware APEX installation: Information has been taken from The Oracle Install guidelines http://eelzinga.wordpress.com/2009/07/04/oracle-fusion-middleware-11g-ofm11g-on-centos-5/ Shut down EPG The EPG is still running. To shut it down, open SQL*plus:conn conn system execute…

Fully freeware APEX environment IV: GlassFish Installation

Richard Martens — Mon, 23 May 2011 10:20:18 +0000

This is part 3 of my series on a fully freeware APEX environment on CentOS: This post consists of 3 parts: Install Java Glassfish preparations Install GlassFish Configure Glassfish (part 3a) Information has been taken from: http://www.scribd.com/doc/19252518/StepbyStep-Install-Guide-Sun-GlassFish-Enterprise-Server-v3-on-Linux (glassfish part) http://bhapca.blogspot.com/2009/05/how-to-install-glassfish-on-centos-and.html…

Fully freeware APEX environment V: Configure GlassFish

Richard Martens — Mon, 23 May 2011 10:09:28 +0000

In this post we’ll configure the GlassFish 3 server that we installed in the previous post. Information has been aggregated from different blogs: http://www.davidghedini.com/pg/entry/install_glassfish_3_1_on http://bhapca.blogspot.com/2009/05/how-to-install-glassfish-on-centos-and.html The APEX Listener Installation guide (pdf) Apex & Apex listener download Apex and the listener…

Fully freeware APEX environment III: The APEX listener

Richard Martens — Mon, 23 May 2011 09:44:36 +0000

This is post 3 in my series about a fully freeware CentOS Apex environment Configure the APEX Listener Your listener is deployed, but not yet configured. Go to http://localhost:8080/apex/listenerConfigure We must set parameters in three tabs: Connection Username: apex_public_user Password:…

Fully freeware APEX environment II: TomCat 6

Richard Martens — Tue, 17 May 2011 15:11:29 +0000

This is part two of my series regarding a fully freeware APEX setup. Post 1 coveres the installation of Oracle XE 11 beta on CentOS 5 Shut Down Apex-EPG Log in as system into the XE database using SQL*plus. We…

Fully freeware APEX environment I: CentOS & Oracle XE 11g

Richard Martens — Tue, 17 May 2011 07:52:07 +0000

Command Prompt here….

Richard Martens — Mon, 16 May 2011 09:01:31 +0000

Nothing to do with APEX, but I really don’t want to forget this. As you might know, I’m a big fan of the command prompt. I’ve been using 4DOS/4NT/Take Command for years. These products are sold by a company called…

Using APEX Listener as Stand-alone HTTP server on Windows

Richard Martens — Tue, 19 Apr 2011 15:17:56 +0000

Oracle provides a good alternative for using the EPG in single-developer projects. It is called the Oracle APEX Listener. it is intended to run as some kind of plug-in in: Oracle WebLogic Server. Oracle GlassFish Server. Oracle Containers for J2EE…

Tabs within APEX (using jQuery)

Richard Martens — Wed, 13 Apr 2011 14:33:08 +0000

The solution uses APEX 4 built-in jQuery libraries. The idea is to create a “containing region”, that is a region that will contain the sub-regions. Those sub-regions then will appear as a tab on your page. Create a template for…

Oracle APEX report refresh the easy way

Richard Martens — Mon, 11 Apr 2011 14:24:36 +0000

I’ve seen numerous solutions for partial page refreshes. All using javascript, timers etc. I just want a report to refresh itself after 5 seconds. I add this to the region-footer: <script type="text/javascript"> …

APEX built-in variables

Richard Martens — Mon, 11 Apr 2011 13:36:08 +0000

For all you guys ‘n dolls here an overview of the built-in apex variables and how/when to use ‘em: APP_ALIAS APP_ID APP_IMAGES APP_PAGE_ID APP_SESSION APP_UNIQUE_PAGE_ID APP_USER AUTHENTICATED_URL_PREFIX BROWSER_LANGUAGE CURRENT_PARENT_TAB_TEXT DEBUG HOME_LINK LOGIN_URL IMAGE_PREFIX Application Express SCHEMA OWNER PRINTER_FRIENDLY LOGOUT_URL PROXY_SERVER…

Oracle Apex 4 and the new Firefox 4 / Internet Explorer 9

Richard Martens — Tue, 29 Mar 2011 11:43:53 +0000

Hi there, Yesterday I installed Firefox 4 and Internet Explorer 9. Wow beautyfull browsers.. both of them. However yesterday I allready found out that IE is not diaplaying the AnyChart charts in my Apex applications. So IE9 for now is…

Oracle APEX Day 2011 coverage

Richard Martens — Thu, 24 Mar 2011 11:14:17 +0000

Roel posted a great coverage on the Oracle APEX day on his blog: http://roelhartman.blogspot.com/2011/03/ogh-apex-day-2011.html Definately worth reading…

Apex listener v 1.1

Richard Martens — Mon, 21 Mar 2011 14:01:45 +0000

I simply love the Apex Listener that Oracle sent out a couple of weeks ago. I now allways use it to do my (one developer = me) development, for a number of reasons. It’s easy to set up. I can…

Command Line replacement

Richard Martens — Thu, 24 Feb 2011 11:27:05 +0000

I’m a nerd. I know. I simply “love” the command-line. For years I’ve been using 4NT and TakeCommand, registered the product years ago (www.jpsoft.com). Now I made the switch to Windows 7 (64-bit). I still have to get used to…

Warp11 Apex plugins available

Richard Martens — Tue, 15 Feb 2011 13:37:06 +0000

Today I published the plugins we’ve written to the plugin-library at www.apex-plugin.com. Warp11 CSS Menu The menu is based upon Jessica Wilson’s drop-down menu, but has unlimited levels and more control on the styles used. We also used a different JQuery…

APEX 4.0 on Oracle 10.2.0.4 database with EPG

Richard Martens — Mon, 07 Feb 2011 14:49:09 +0000

Ok. I just finished creating two extra Apex-environments (TEST and PROD) Where I mention “SQL>” you are logged in in your sqlplus as SYS as SYSDBA privileges. I now have a plan-of-attack for getting Apex 4 on a 10g database…

Martin Giffy D’Souza on Oracle APEX: Variables in APEX

Richard Martens — Mon, 10 Jan 2011 10:28:25 +0000

Martin Giffy D’Souza on Oracle APEX: Variables in APEX: “When I first started using APEX I was unsure about which method to use when referencing variables (values in session state). The purpose of …”

APEX Popup LOV with more columns

Richard Martens — Tue, 28 Dec 2010 17:20:54 +0000

Today I found a really neat plug-in to Oracle’s APEX. Have a look here: http://www.apex-plugin.com/oracle-apex-plugins/item-plugin/skillbuilders-super-lov_75.html All’s well, ut there is a downside to using this plug-in. Cascading Parent LOV’s are not supported yet. I hope they will soon. So I…

Apex 4.0.2 installed

Richard Martens — Tue, 28 Dec 2010 17:13:59 +0000

OK Guys, APEX 4.0.2 has been installed without any trouble. just follow the instructions provided by Oracle.

Digital nativity

Richard Martens — Fri, 24 Dec 2010 10:32:21 +0000

This you gotta check out. Fantastic:

Oracle Database Development Tools (ODDT): APEX 4.0.2 is here, and its got two new themes!

Richard Martens — Tue, 23 Nov 2010 10:15:07 +0000

As soon as I find the time I’m going to investigate further: Oracle Database Development Tools (ODDT): APEX 4.0.2 is here, and its got two new themes!: “Oracle Application Express (APEX) 4.0.2 patch is now available on MySupport and a…

Oracle 11g on Windows DBConsole does not start

Richard Martens — Mon, 22 Nov 2010 11:47:15 +0000

Wow. I have broken my thoughts about this for a loooooong time. In the end stuff can be so simple: When you get the errormessage that it cannot start the DBConsole do this: Make sure you have the MS loopback…

Oracle DB on a notebook

Richard Martens — Mon, 25 Oct 2010 13:53:41 +0000

If you want to install an Oracle database on a notebook, then it is essential that beforehand you install the MS Loopback adapter. This is a “virtual” network adapter. After installation assign it a fixed IP-addres (192.168.99.99 for example) and…

What Are Private And Public IP Addresses?

Richard Martens — Mon, 25 Oct 2010 13:47:39 +0000

A computer on the Internet is identified by its IP address. In order to avoid address conflicts, IP addresses are publicly registered with the Network Information Centre (NIC). Computers on private TCP/IP LANs however do not need public addresses, since…

Transfer Dreamweaver 8 from Windows to Wine (or another Windows) including all Extensions

Richard Martens — Wed, 20 Oct 2010 23:28:27 +0000

Well.. First of all I must say that I don;t know how legal all this is… On the other hand I do have all the licenses, but my extension supplier (InterAkt) has been taken over by Adobe and don’t provide…

How to stop Tortoise SVN from asking for username and password

Richard Martens — Tue, 19 Oct 2010 10:53:40 +0000

The easiest way to do this is to right click in Windows Explorer, select Tortoise > Settings. Then in the Settings window select the Network tab. Then in the SSH client field, set use the Tortoise SSH client, TortoisePlink, to…