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Starting iSQLPlus from Java Command Line Throws: "java.lang.NoClassDefFoundError: oracle/security/jazn/JAZNRuntimeException" (Doc ID 427641.1)

Last updated on NOVEMBER 18, 2019

Applies to:

SQL*Plus - Version and later
Information in this document applies to any platform.


When attempting to start isqlplus from command line, it starts without error but no java processes are created. Accessing from browser shows Page not found error.

Starting with java command line: $ORACLE_HOME/jdk/bin/java -Djava.awt.headless=true -Xrs
-DApplicationServerDug=true -DNativeJDBCDebug=true
-Doracle.oc4j.localhome=$ORACLE_HOME/sqlplus$ORACLE_HOME/oc4j/j2ee/home/config/ -jar
-config $ORACLE_HOME/oc4j/j2ee/isqlplus/config/server.xml

throws the following error:

java.lang.NoClassDefFoundError: oracle/security/jazn/JAZNRuntimeException at at


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