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Java agent v2.21.3

August 13, 2013


The end-of-life date for this agent version is July 29, 2019. To update to the latest agent version, see Update the agent. For more information, see End-of-life policy.


  • Fix: Agent did not run with J2SE 5.0 (aka JDK 1.5)

    Release 2.21.0 - 2.21.2 did not run correctly on J2SE 5.0. On startup, the agent reports:

    Unable to start New Relic agent: java.lang.UnsupportedClassVersionError: Bad version number in .class file

    If you are running J2SE 5.0, please update to agent version 2.21.3.

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