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Error : Communication between PI 7.4 (JMS adapter) and Apache ActiveMQ (5.11.1)

former_member367820
Discoverer
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Hello Experts,

     We are trying to build communication between PI 7.4 (JMS adapter) and Apache ActiveMQ (5.11.1), but getting following error,

Error : A channel error occurred. Detailed error (if any) : java.lang.UnsupportedClassVersionError: org/apache/activemq/ActiveMQConnectionFactory : Unsupported major.minor version 51.0
at java.lang.ClassLoader.defineClass1(Native Method)
...


     We have deployed drivers and added all the additional parameters as per below blog,


PI/XI: ActiveMQ - free but yet powerful JMS provider


Please help us to resolve this issue.



Thanks and Regards,

Prathamesh Dixit

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Answers (1)

Answers (1)

Former Member
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Hi,

I am having exactly the same issue, I suspected it is the min version of java that Active MQ 5.11.1 requires (JRE 1.7 (1.6 for version <=5.10.0).

I solved it by using a lower version of the activemq-all.jar

activemq-all-5.3.0.jar worked for me, however I am still carrying out tests 🙂