java.lang.UnsupportedClassVersionError: HashMapTest (Unsupported major.minor version 49.0)

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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 knowcoding.com by Unknown author, 2 years ago
via knowcoding.com by Unknown author, 2 years ago
HashMapTest (Unsupported major.minor version 49.0)
via Google Groups by depo, 2 months ago
MailSendDialog (Unsupported major.minor version 49.0)
via Coderanch by David O'Meara, 11 months ago
isogame/IsoLauncher (Unsupported major.minor version 49.0)
via Google Groups by Groty, 5 months ago
org/cfeclipse/cfml/CFMLPlugin (Unsupported major.minor version 49.0)
via Google Groups by tara...@gmail.com, 5 months ago
org/ > hypertable/DfsBroker/hadoop/main (Unsupported major.minor version > 49.0)
java.lang.UnsupportedClassVersionError: HashMapTest (Unsupported major.minor version 49.0)
at java.lang.ClassLoader.defineClass0(Native Method)

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