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Issues in running curl commands for the application module #54
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It means that the peers have already joined the channel. Why were you retrying the command? The peer tried to instantiate another ledger with the same ID, so it threw an exception. Can you read through the systems and protocol description in the book and try out the exercises while understanding the purpose of the different commands? Just pinging the application server with curl commands serves no purpose otherwise. I agree that the application server could do with better error messaging, but there is a laundry list of ways in which Fabric can throw an exception, and handling each of them is a much longer exercise. The purpose of building the application server in this repo (and for the book) was just to demonstrate the most basic functionality. It is up to the reader to work on making that server more robust and user-friendly if they wish to. |
Hi Venkat Thanks. I am new to the whole Hyperledger fabric and hence, I was blindly following the instructions. As of now my observation is that the instructions are not intuitive. It still needs more clarifications. Anyways now I can confirm my setup is complete. Regards |
If you have any specific comments on the non-intuitiveness, state them here. At least it'll be in the records for people to see, and I can try to update the READMEs. Can't do anything about the contents of the book, I'm afraid. Perhaps if there's a future edition.... |
Hi
I ran the following curl command
curl -s -X POST http://localhost:4000/channel/join -H "authorization: Bearer auth-token"
I am getting the following error.
{"success":false,"message":"Cannot read property 'stack' of undefined"}
When I checked the error I am getting the following. Am I missing something.
Joining channel tradechannel
Successfully enrolled 'admin' user for org exporterorg
Successfully got the genesis block
error: [client-utils.js]: sendPeersProposal - Promise is rejected: Error: Cannot create ledger from genesis block, due to LedgerID already exists
at /home/akkalia/go/src/trade-finance-logistics/middleware/node_modules/fabric-client/lib/Peer.js:114:16
at /home/akkalia/go/src/trade-finance-logistics/middleware/node_modules/grpc/src/client.js:586:7
Failed join attempt: TypeError: Cannot read property 'stack' of undefined
at Client.newDefaultKeyValueStore.then.then.then.then (/home/akkalia/go/src/trade-finance-logistics/middleware/join-channel.js:205:61)
at
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