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Receiving Class File Has Wrong Version 49.0, Should Be 48.0 When Running App (Doc ID 793127.1)

Last updated on JULY 07, 2021

Applies to:

Oracle Containers for J2EE - Version 9.0.4.0.0 and later
Information in this document applies to any platform.

Symptoms

When trying to run a JSP page on the standalone OC4J server following error occurs:

"bad class file: x.class class file has wrong version 49.0, should be 48.0"

The OC4J server uses the jdk 1.4.2 as java runtime.

Cause

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In this Document
Symptoms
Cause
Solution

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