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R12: Cannot Login After Oracle Application Server Upgrade - Error "ascontrol does not exist" in OC4J log file (Doc ID 973637.1)

Last updated on JUNE 01, 2024

Applies to:

Oracle E-Business Suite Technology Stack - Version 12.0.3 to 12.0.6 [Release 12.0]
Information in this document applies to any platform.


Users cannot login after upgrade Oracle AS 10g to Patch Set 4 ( in R12.
The OC4J log files show the errors below:

Internal error raised tyring to instantiate web-application: ascontrol defined in web site OC4J 10g (10.1.3) Default Web Site. Application: ascontrol does not exist. Error creating Web application: ascontrol.
Internal error raised trying to instantiate web-application: html defined in web site OC4J 10g (10.1.3) Default Web Site. Error compiling :$COMMON_TOP/webapps/oacore/html: Syntax error in source or compilation failed in: $INST_TOP/apps/<SID>_discovery/ora/10.1.3/j2ee/oacore/application-deployments/oacore/html/oracle/webdb/wsrp/runtime/
$INST_TOP/apps/<SID>_discovery/ora/10.1.3/j2ee/oacore/application-deployments/oacore/html/oracle/webdb/runtime/ cannot access javax.xml.rpc.encoding.Serializer
class file for javax.xml.rpc.encoding.Serializer not found



Followed <Note 728531.1> to upgrade to Oracle AS 10g to Patch Set 4 (


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