java.lang.NoClassDefFoundError: com.rabbitmq.client.impl.AMQChannel$$Lambda$0

[Shayan Sabahi]

hello
i got the following error from this line after i upgraded rabbitmq library to version 5

connection = factory.newConnection();







FATAL EXCEPTION: Thread-1669 Process: com.****, PID: 18398 java.lang.NoClassDefFoundError: com.rabbitmq.client.impl.AMQChannel$$Lambda$0 at com.rabbitmq.client.impl.AMQChannel.enqueueRpc(AMQChannel.java:204) at com.rabbitmq.client.impl.AMQConnection.start(AMQConnection.java:289) at com.rabbitmq.client.impl.recovery.RecoveryAwareAMQConnectionFactory.newConnection(RecoveryAwareAMQConnectionFactory.java:64) at com.rabbitmq.client.impl.recovery.AutorecoveringConnection.init(AutorecoveringConnection.java:99) at com.rabbitmq.client.ConnectionFactory.newConnection(ConnectionFactory.java:944) at com.rabbitmq.client.ConnectionFactory.newConnection(ConnectionFactory.java:903) at com.rabbitmq.client.ConnectionFactory.newConnection(ConnectionFactory.java:861) at com.rabbitmq.client.ConnectionFactory.newConnection(ConnectionFactory.java:1013) at com.****.*****.*****.****.lambda$onStartCommand$2$*****(*****.java:130) at com.****.****.service.****$$Lambda$2.run(Unknown Source) at java.lang.Thread.run(Thread.java:818)







i've changed every callback to lamda btw

everything worked perfectly in prior version

[Michael Klishin]

See https://github.com/rabbitmq/rabbitmq-java-client/releases/tag/v5.0.0. JDK 8 is now the minimum required

version.

Earlier Java versions do not support lambdas.

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MK

Staff Software Engineer, Pivotal/RabbitMQ

[Michael Klishin]

Shayan posted some additional info on GitHub, where this question was posted originally.

It is not sufficient to build your app with JDK 8. You must also use JDK 8 when you run it.

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MK

Staff Software Engineer, Pivotal/RabbitMQ

[Shayan Sabahi]

sry i was confused about google group and github issue . thats why i answered there 

. so i should run on jdk 8 

 i didnt know that

 thank u