This tutorial is for people who wants enable PDF printing for Oracle Application Express version 3.1 or greater.
I have tested this on Ubuntu 8.04 server, Oracle XE Universal and Apex versions from 3.1 to 3.2.1.
First set enviroment variables adding rows to your .bashrc
Add lines end to file
Code:
export JAVA_HOME=/usr/lib/jvm/java-6-sun
export CATALINA_HOME=/usr/share/tomcat5.5
Logoff and login again so that enviroment variables taken use.
Install Unrar, Java and Tomcat
Code:
sudo apt-get install unrar sun-java6-jre sun-java6-jdk libtomcat5.5-java tomcat5.5 tomcat5.5-admin tomcat5.5-webapps
Stop Tomcat
Code:
sudo /etc/init.d/tomcat5.5 stop
Create user for Tomcat admin and manager editing file /usr/share/tomcat5.5/conf/tomcat-users.xml.
Replace "yourusername" and "yourpasswd" string you like use to username and password.
Code:
sudo nano /usr/share/tomcat5.5/conf/tomcat-users.xml
Add between tags <tomcat-users> and </tomcat-users> rows
Code:
<role rolename="manager"/>
<role rolename="admin"/>
<user username="yourusername" password="yourpasswd" roles="admin,manager"/>
Set JAVA_HOME
Code:
sudo nano /etc/default/tomcat5.5
Add line end of file
Code:
JAVA_HOME=/usr/lib/jvm/java-6-sun
Create policy for Cocoon
Code:
sudo nano /etc/tomcat5.5/policy.d/05cocoon.policy
And paste this to file
Code:
grant codeBase "file:/var/lib/tomcat5.5/webapps/cocoon/-" {
permission java.security.AllPermission;
};
Download Cocoon source:
Code:
cd /tmp
wget http://mirror.eunet.fi/apache/cocoon/cocoon-2.1.11-src.tar.gz
tar -xvvzf cocoon-2.1.11-src.tar.gz
Build Cocoon war file
Code:
cd /tmp/cocoon-2.1.11
sh build.sh war
Copy war file to Tomcat webapps folder
Code:
sudo cp /tmp/cocoon-2.1.11/build/cocoon/cocoon.war /var/lib/tomcat5.5/webapps
Start Tomcat
Code:
sudo /etc/init.d/tomcat5.5 start
Get fop_post for ApEx and place it to Tomcat webapps Cocoon folder
Code:
wget http://rste.net.googlepages.com/fop_post.rar
unrar x fop_post.rar
sudo mv fop_post /var/lib/tomcat5.5/webapps/cocoon
Now Tomcat mainpage can be access from http://localhost:8180/
Set up ApEx:
- Login to your ApEx INTERNAL workspace
- Go to Manage Service -> Instance Settings
- Change Report Printing configuration
Print Server: Standard
Print Server Host Address: localhost
Print Server Port: 8180
Print Server Script: /cocoon/fop_post/
Now you can enable PDF printing on your ApEx application reports
I have used below links to build up this guide. So credit goes to
https://help.ubuntu.com/community/Oracle10g
http://www.debian-administration.org/articles/430
http://carlback.blogspot.com/2007/03...-and-more.html
http://rste.blogspot.com/2008/07/exc...ex-cocoon.html
http://www.oracle.com/technology/tec...n-kubuntu.html
http://howto.landure.fr/gnu-linux/de...et_language=en
http://www.poveravoce.net/blog/?p=85
Edit:
When you configure Apex instance you can also select
Print Server: Advanced (requires Oracle BI Publisher)
Then you get more options to print your interactive report.
Tomcat has by default limit on POST size.
That prevent you download large PDF file
You can change maxPostSize parametter to e.g. unlimited
Open /etc/tomcat5.5/server.xml
Code:
sudo nano /etc/tomcat5.5/server.xml
find line maxSpareThreads="75" and add after that to new line
Also you need increase Java memory.
Edit /etc/default/tomcat5.5
Code:
sudo nano /etc/default/tomcat5.5
and line end of file
Code:
JAVA_OPTS="-Xms1024m -Xmx2049m -XX:MaxPermSize=512m -XX:PermSize=512m -XX:+CMSClassUnloadingEnabled -XX:+CMSPermGenSweepingEnabled"
Note: in example I have allocated max 2GB Java memory with parametter -Xmx2049m. You can allocate about only half of your physical memory.
This seems to be issue that printing needs lot of memory.
After changes restart Tomcat
Code:
sudo /etc/init.d/tomcat5.5 restart
Note: if you use e.g. HTTP server or Apache reverse proxy
to connect database/Apex there might be also limitation for Post size.
If you use Embed PL/SQL gateway (EPG) there should not be limits. At least I have not find any on Oracle XE EPG.
I am still testing/experimenting those Java memory settings so if some one use this guide and understand better
Java memory parameters , please post your comments
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