[Q/A][Java SDK] Serialized class org.apache.dubbo.samples.api.GreetingRequest has not implement Serializable interface. Current mode is strict check, will disallow to deserialize it by default.

[chickenlj]

Pre-check

• I am sure that all the content I provide is in English.

Apache Dubbo Component

Java SDK (apache/dubbo)

Details

Caused by: java.lang.IllegalArgumentException: [Serialization Security] Serialized class org.apache.dubbo.samples.api.GreetingRequest has not implement Serializable interface. Current mode is strict check, will disallow to deserialize it by default. 
	at org.apache.dubbo.common.utils.DefaultSerializeClassChecker.loadClass(DefaultSerializeClassChecker.java:112)
	at org.apache.dubbo.common.serialize.hessian2.Hessian2SerializerFactory.getDefaultSerializer(Hessian2SerializerFactory.java:49)
	at com.alibaba.com.caucho.hessian.io.SerializerFactory.getSerializer(SerializerFactory.java:393)
	at com.alibaba.com.caucho.hessian.io.Hessian2Output.writeObject(Hessian2Output.java:411)
	at org.apache.dubbo.common.serialize.hessian2.Hessian2ObjectOutput.writeObject(Hessian2ObjectOutput.java:99)
	at org.apache.dubbo.common.serialize.DefaultSerializationExceptionWrapper$ProxyObjectOutput.writeObject(DefaultSerializationExceptionWrapper.java:322)
	... 42 more

Code of Conduct

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[chickenlj]

There two ways to solve the above issue:

1. set dubbo.application.checkSerializable=false to skip check, using application.properties, application.yaml or -Ddubbo.application.checkSerializable=false
2. make sure all pojo classes implement interface java.io.Serializable