When installing OC4J be sure to go to {OC4J_HOME}/j2ee/home/config and check the server.xml file for the
edit server.xml
vi server.xml
<log>
<file path="../log/server.log">
</file>
</log>
<transaction-config timeout="500000"></transaction-config>
<java-compiler name="javac" process="false" bindir="C:\j2sdk1.4.2_15\bin" extdirs="C:\j2sdk1.4.2_15\jre\lib\ext">
</java-compiler>
After:
# java -jar oc4j.jar
09/08/25 10:27:05 Oracle Application Server Containers for J2EE 10g (10.1.2.0.2) initialized