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Architect_Programmer_Code Agriculture Network»Architect › Programming › Other programming › [Actual combat] ActiveMQ5.15.3 cannot start, UnsupportedClassVers ...
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ActiveMQ5.15.3 fails to start, and UnsupportedClassVersionError is reported

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Posted on 3/25/2018 9:05:08 PM | | | |
The Wrapper log reads:

STATUS | wrapper  | 2018/03/25 20:51:48 | --> Wrapper Started as Daemon
STATUS | wrapper  | 2018/03/25 20:51:48 | Launching a JVM...
INFO   | jvm 1    | 2018/03/25 20:51:48 | Wrapper (Version 3.2.3) http://wrapper.tanukisoftware.org
INFO   | jvm 1    | 2018/03/25 20:51:48 |   Copyright 1999-2006 Tanuki Software, Inc.  All Rights Reserved.
INFO   | jvm 1    | 2018/03/25 20:51:48 |
INFO   | jvm 1    | 2018/03/25 20:51:48 | WrapperSimpleApp: Unable to locate the class org.apache.activemq.console.Main: java.lang.UnsupportedClassVersionError: org/apache/activemq/console/Main : Unsupported major.minor version 52.0
INFO   | jvm 1    | 2018/03/25 20:51:48 |
INFO   | jvm 1    | 2018/03/25 20:51:48 | WrapperSimpleApp Usage:
INFO   | jvm 1    | 2018/03/25 20:51:48 |   java org.tanukisoftware.wrapper.WrapperSimpleApp {app_class} [app_arguments]
INFO   | jvm 1    | 2018/03/25 20:51:48 |
INFO   | jvm 1    | 2018/03/25 20:51:48 | Where:
INFO   | jvm 1    | 2018/03/25 20:51:48 |   app_class:      The fully qualified class name of the application to run.
INFO   | jvm 1    | 2018/03/25 20:51:48 |   app_arguments:  The arguments that would normally be passed to the
INFO   | jvm 1    | 2018/03/25 20:51:48 |                   application.
STATUS | wrapper  | 2018/03/25 20:51:51 | <-- Wrapper Stopped



Find the reason, because the JDK version is low, the server uses JDK 1.7, after uninstalling, there is no problem after installing JDK 1.8 can start normally.

The command is as follows:

--Check the JDK for CentOS installation


--uninstall




--Install JDK version 1.8



Problem solved!

Finally, attached is the installation tutorial:
Centos 6.2 64-bit installation activemq tutorial
http://www.itsvse.com/thread-4616-1-1.html
(Source: Architect_Programmer)







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