search

ethresearch / sharding-p2p-poc

Proof of Concept of Ethereum Serenity Peer-to-Peer Layer on libp2p PubSub System
40 stars 19 forks source link

Runtime error when calling CLI to the started node #64

Closed mhchia closed 5 years ago

mhchia commented 5 years ago

What is wrong?

$ ./sharding-p2p-poc &
[1] 85116
2018/09/13 16:46:57 Initializing logging reporter
2018/09/13 16:46:57 rpcserver: listening to 127.0.0.1:13000

$ ./sharding-p2p-poc -rpcport=13000 -client getsubshard
2018/09/13 16:47:01 rpcclient:GetSubscribedShard: sending=
panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x30 pc=0x1307d56]

goroutine 41 [running]:
gx/ipfs/QmWLWmRVSiagqP15jczsGME1qpob6HDbtbHAY2he9W5iUo/opentracing-go.SpanFromContext(0x0, 0x0, 0x10b9c84, 0xc420264000)
    /Users/mhchia/go/src/gx/ipfs/QmWLWmRVSiagqP15jczsGME1qpob6HDbtbHAY2he9W5iUo/opentracing-go/gocontext.go:22 +0x26
gx/ipfs/QmcVVHfdyv15GVPk7NrxdWjh2hLVccXnoD8j2tyQShiXJb/go-log.(*eventLogger).SetErr(0xc420492c40, 0x0, 0x0, 0x190b400, 0xc420330070)
    /Users/mhchia/go/src/gx/ipfs/QmcVVHfdyv15GVPk7NrxdWjh2hLVccXnoD8j2tyQShiXJb/go-log/log.go:232 +0x4d
gx/ipfs/QmcVVHfdyv15GVPk7NrxdWjh2hLVccXnoD8j2tyQShiXJb/go-log.(*eventLogger).FinishWithErr(0xc420492c40, 0x0, 0x0, 0x190b400, 0xc420330070)
    /Users/mhchia/go/src/gx/ipfs/QmcVVHfdyv15GVPk7NrxdWjh2hLVccXnoD8j2tyQShiXJb/go-log/log.go:257 +0x53
main.(*server).GetSubscribedShard(0xc42019e500, 0x19137e0, 0xc4203320c0, 0xc420254040, 0x0, 0x0, 0x0)
    /Users/mhchia/go/src/github.com/ethresearch/sharding-p2p-poc/rpcserver.go:151 +0x17f
github.com/ethresearch/sharding-p2p-poc/pb/rpc._Poc_GetSubscribedShard_Handler(0x16ed060, 0xc42019e500, 0x19137e0, 0xc4203320c0, 0xc4204cc000, 0x0, 0x0, 0x0, 0x0, 0x0)
    /Users/mhchia/go/src/github.com/ethresearch/sharding-p2p-poc/pb/rpc/rpc.pb.go:653 +0x241
google.golang.org/grpc.(*Server).processUnaryRPC(0xc420530000, 0x1917060, 0xc42033c180, 0xc4201a8200, 0xc420520960, 0x1d3c9e8, 0x0, 0x0, 0x0)
    /Users/mhchia/go/src/google.golang.org/grpc/server.go:982 +0x4f9
google.golang.org/grpc.(*Server).handleStream(0xc420530000, 0x1917060, 0xc42033c180, 0xc4201a8200, 0x0)
    /Users/mhchia/go/src/google.golang.org/grpc/server.go:1208 +0x1318
google.golang.org/grpc.(*Server).serveStreams.func1.1(0xc420358020, 0xc420530000, 0x1917060, 0xc42033c180, 0xc4201a8200)
    /Users/mhchia/go/src/google.golang.org/grpc/server.go:686 +0x9f
created by google.golang.org/grpc.(*Server).serveStreams.func1
    /Users/mhchia/go/src/google.golang.org/grpc/server.go:684 +0xa1
2018/09/13 16:47:01 rpc error: code = Unavailable desc = transport is closing
[1]+  Exit 2                  ./sharding-p2p-poc

Reproduce:

$ ./sharding-p2p-poc &
$ ./sharding-p2p-poc -rpcport=13000 -client getsubshard

Then the node crashes.

mhchia commented 5 years ago

The node who executes RPCServer.AddPeer dies