Question about invokeChaincode api #fabric-chaincode


BigBang019
 

Environment: fabric release-2.2
My chaincode named vulnerable is as follows:


When I invoke helloworld directly, it gives me responce "helloworld", everything works fine.

But when I invoke invokeChaincode method, it gives me



and chaincode docker container logging is as follows:



It seems like
(1) the statement System.out.printf("\n%s\n", chaincodeName) works fine.
(2) org.hyperledger.fabric.shim.impl.InvocationStubImpl.invokeChaincode also finds the registered method helloworld, but it encountered another exception half way the invocation.

Does anyone met this problem before?
Thanks in advance.

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