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  1. ,
    via Stack Overflow by ERJAN

    This exception occurs when using an older version of java. Mainly when trying to run a jar compiled with a newer Java version in an older Java version. We can avoid this issue by executing the jar in the same version which it was compiled.

Solutions on the web

via staf by whanson
, 1 year ago
com/ibm/staf/service/stax/extension/extdb/ExtDbActionFactory (Unsupported major.minor version 49.0)
via Coderanch by michael yue, 1 year ago
org/apache/jsp/index_jsp (Unsupported major.minor version 49.0)
via Hibernate JIRA by Kenny MacLeod, 1 year ago
org/hibernate/criterion/Criterion (Unsupported major.minor version 48.0)
via Hibernate JIRA by Kenny MacLeod, 2 years ago
org/hibernate/criterion/Criterion (Unsupported major.minor version 48.0)
via Stack Overflow by GLADIATOR
, 2 years ago
com/asiaone/web/common/A1BusinessXmlOperation (Unsupported major.minor version 49.0)
via Google Groups by depo, 7 months ago
MailSendDialog (Unsupported major.minor version 49.0)
java.lang.UnsupportedClassVersionError: com/ibm/staf/service/stax/extension/extdb/ExtDbActionFactory (Unsupported major.minor version 49.0)	at java.lang.ClassLoader.defineClass0(Native Method)	at java.lang.ClassLoader.defineClass(Unknown Source)	at java.lang.ClassLoader.defineClass(Unknown Source)	at	at java.lang.ClassLoader.loadClass(Unknown Source)	at java.lang.ClassLoader.loadClass(Unknown Source)	at	at	at