Introduction
–
Seasoned
DBAs are already aware about architectural changes in 11i, r12 and r12.2.
Likewise, there are some significant changes when you compile jsp pages in
these versions. This article will cover important aspects when performing same
action in different versions. We will start with 11i until r12.2 followed by a
summary on differences and similarities.
JSP Cache
-
It is compiled version of JSP files.
-
They have extension .class.
-
They are stored in folder - _pages.
Compilation process of jsp file
JSP
file ---conversion---> .java file ---compilation---> .class file
Differences when storing compiled .class files
In 11i,
Apache JServe was responsible to compile jsp and convert the same into .class
file while in r12, we have oc4j handling jsps.
Default location of compiled .class files
|
|
Release
|
Location
|
Prior 11i
|
$OA_HTML/_pages
|
11i
|
$COMMON_TOP/_pages
|
12.1
|
$COMMON_TOP/_pages
|
12.2
|
$EBS_APPS_DEPLOYMENT_DIR/oacore/html/WEB-INF/classes/_pages
|
Differences when locating perl script ojspCompile.pl
Default location of perl script ojspCompile.pl
|
|
Release
|
Location
|
11i
|
$JTF_TOP/admin/scripts
|
12.1
|
$FND_TOP/patch/115/bin
|
12.2
|
$FND_TOP/patch/115/bin
|
Differences when locating source jsp files
Default location of jsp source files
|
|
Release
|
Location
|
11i
|
$COMMON_TOP/html
|
12.1
|
$COMMON_TOP/webapps/oacore/html
|
12.2
|
$EBS_APPS_DEPLOYMENT_DIR/oacore/html
|
Differences in nomenclature for .class files
Difference in naming convention for .class files
|
||
Release
|
JSP file
|
Class file
|
11i
|
AppsLocalLogin.jsp
|
_AppsLocalLogin.class
|
12.1
|
AppsLocalLogin.jsp
|
_AppsLocalLogin.class
|
12.2
|
AppsLocalLogin.jsp
|
__appslocallogin.class
|
One more
significant change from r12.1 to r12.2 is Oracle 10g Application Server in
12.1.x has now been replaced by Oracle Fusion Middleware 11g.
We have WebLogic
Admin manager and node manager that will now be managing oacore, forms and oafm
as managed servers.
Prior to
r12.2 they were part of opmn(Oracle Process Manager).
Above
factors will play vital role in understanding steps to compile jsps in 3
versions later discussed in this article.
Steps to compile jsps
We use same script -
ojspCompile.pl to compile jsps in all versions. However, location has changed,
and steps have been summarized below.
I follow BBYM approach when
performing any activity that involves files being modified manually or being
modified by scripts.
Obviously, BBYM simply stands
for 'Backup Before You Modify' :)
Oracle EBS 11i
Oracle EBS r12.1
Oracle EBS r12.2
References -
- 12.2 E-Business Suite JSP Page
Handling, File Locations, Manual Compilation, And The Allowed JSP Features (Doc
ID 1928874.1)
- Pythian Blogs
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