Unable To Open The E-Business Suite Login HTTP-404 Error in R12(12.1.X). Error_log Shows "File does not exist: $INST_TOP/portal/OA_HTML/AppsLogin"

When users try to open the ebiz login page the following error occurs

ERROR

-----------------------

HTTP-404 Page Not Found

The following can be seen in the error_log

[Thu Aug 5 10:25:12 2010] [error] [client 0.0.0.0] [ecid: 1280984112:0.0.0.0:0000:0:1,0] File does not exist: /$INST_TOP/portal/OA_HTML/AppsLogin

[Thu Aug 5 10:25:15 2010] [error] [client 0.0.0.0] [ecid: 1280984115:0.0.0.0:0000:0:1,0] File does not exist: /$INST_TOP/portal/OA_HTML/AppsLogin

The issue can be reproduced at will with the following steps:

1:- Apply the following patches

Patch 9578148 ORACLE APPLICATIONS RELEASE 12.1: CPU PATCH FOR JULY 2010

Patch 9794645 July 2010 CPU

Patch 9831092 July 2010 CPU

Patch 8626084 PLACEHOLDER BUG TO UPLOAD AS 10.1.3.5 PATCH-SET ON ARU

Note:- This could also occur with any patch that contains new java code.

OR

1:- Copy java classes, .jar or .zip files into JAVA_TOP

2:- Attempt to login using the URL

http://hostname.domain:port/OA_HTML/AppsLogin

Impact

Due to this issue, users cannot connect to the E-Business suite.

CASUE:

The problem can be caused by 2 issues

Problem 1:- Corruption or mismatch with the _AppsLocalLogin java class in the ojsp.jar file.

When running the ojspCompil.pl command the logfile shows an error

perl ojspCompile.pl --compile --flush -p 20 -log /tmp/ojspc_error.log

[28964] compiling: 3m14s elapsed, 100 successful 0 failed

[28969] !!COMPILATION ERROR(0) AppsLocalLogin.jsp:

_AppsLocalLogin.java:1086: cannot find symbol

symbol : method recalcSignature(java.lang.String,oracle.apps.fnd.common.WebAppsContext)

location: class oracle.apps.fnd.sso.SSOManager

(String)tmpVec.elementAt(2), SSOManager.recalcSignature((String)tmpVec.elementAt(3),wctx)));

^

_AppsLocalLogin.java:1094: cannot find symbol

symbol : method recalcSignature(java.lang.String,oracle.apps.fnd.common.WebAppsContext)

location: class oracle.apps.fnd.sso.SSOManager

(String)tmpVec.elementAt(2), SSOManager.recalcSignature((String)tmpVec.elementAt(3),wctx)));

^

Note: _AppsLocalLogin.java uses or overrides a deprecated API.

Note: Recompile with -Xlint:deprecation for details.

2 errors

Problem 2:- There is a bad .zip or .jar file in $JAVA_TOP

The following error can be found in the OACORE std.out logs in $LOG_HOME/ora/10.1.3/j2ee/oacore/

error: error reading $JAVA_TOP/<BAD ZIP OR JAR>; error in opening zip file

SOLUTION

To implement the solution, please execute the following steps on all web tiers:

Problem1

1:- Log a telnet session into the web tier and set the E-Business suite environment

2:- Run adadmin

2a:- Choose the following options

1. Generate Applications Files menu

4. Generate product JAR files

Do you wish to force regeneration of all jar files? [YES] ?

3:- Shutdown the E-business suite middle tier services

4:- Run the commands below

cd $FND_TOP/patch/115/bin

perl ojspCompile.pl --compile --flush -p 20 -log /tmp/ojspc_error2.log

4a:- Run autoconfig on both db and apps tiers

5:- Start the E-Business suite middle tiers services

6:- Retest the issue.

7:- Migrate the solution as appropriate to other environments.

Problem 2

1:- Shutdown the E-business suite middle tier services

2:- Delete the offending .zip or .jar file as specific in the OACORE logfile

rm $JAVA_TOP/<BAD ZIP OR JAR>

3:- Start the E-business suite middle tier services

4:- Re-test the issue

Ref:(Doc ID 1177264.1)