exception log, "stack" : [ "Error: already piped", ...

[davidthamwf]

david@LinuxDocker:~/bcnode$ cat exception.log

{
  "stack": [
    "Error: already piped",
    "at sink (/home/david/bcnode/node_modules/pull-pair/index.js:11:13)",
    "at consume (/home/david/bcnode/node_modules/pull-defer/sink.js:7:17)",
    "at consume (/home/david/bcnode/node_modules/pull-defer/sink.js:7:17)",
    "at Connection.consume (/home/david/bcnode/node_modules/pull-defer/sink.js:7:17)",
    "at pull (/home/david/bcnode/node_modules/pull-stream/pull.js:43:9)",
    "at Dialer.handle (/home/david/bcnode/node_modules/multistream-select/src/dialer/index.js:47:5)",
    "at protocolHandshake (/home/david/bcnode/node_modules/libp2p-switch/src/dial.js:216:10)",
    "at attemptMuxerUpgrade (/home/david/bcnode/node_modules/libp2p-switch/src/dial.js:65:11)",
    "at ms.select (/home/david/bcnode/node_modules/libp2p-switch/src/dial.js:177:15)",
    "at f (/home/david/bcnode/node_modules/once/once.js:25:25)"
  ],
  "message": "already piped"
}david@LinuxDocker:~/bcnode$ 

david@LinuxDocker:~/bcnode/lib/cli$ ./main.js --version
0.5.4#3870f93

exception.log

might have something to do with the known ipfs issue (still open) reported before. ipfs/js-ipfs#1156

[zengod1205]

Got similar error.

p2p.node Error sending message to peer QmXk7xmWA4yShKUwXN7JZXatFX6ATRVYHzkL52tngTxhiW

615 blocks 'mined' before error occured.

2018-05-07T18:40:56.261Z INFO bc.miner_worker Solution found: {
"distance": 211444520780807,
"nonce": "0.19157381279099228",
"timestamp": 1525718473,
"difficulty": 11801972029393,
"iterations": 1,
"timeDiff": 6
}
2018-05-07T18:40:56.288Z INFO engine.index Mined new block: {
"hash": "061e5caa457c578f5f4ac50363b40420b1609ee7375530bd507c4fb4b3a96b71",
"height": 615,
"miner": "ZENGOD",
"difficulty": 11801972029393,
"timestamp": 1525718473,
"merkleRoot": "452c4fdf84b95ad04c087cbcef7944c7e7ec16c5d80b63922bd7e45589a961ab",
"chainRoot": "dc22b89978d49b796fc005631e07ab1fd8d8bc5d9f9ca29ff5866045f266b81c",
"distance": 211444520780807,
"nonce": "0.19157381279099228",
"txCount": 0,
"transactionsList": [],
"childBlockchainCount": 5,
"childBlockHeadersList": [
{
"blockchain": "btc",
"hash": "0000000000000000004408dfe48c7451c6275d2f58a0dd66b96ec2d3c53518d6",
"previousHash": "00000000000000000003bd15886b125d61b735fef747c5a31f9aa44afbbd4e9e",
"timestamp": 1525718280000,
"height": 521647,
"merkleRoot": "ac22c93be76e0086b739069ce64fbed71a8aa5ba9903f3304d346a6940d48f7c",
"childBlockConfirmationsInParentCount": 14
},
{
"blockchain": "eth",
"hash": "0xe72208893999a4a69a26e38b175ce46e35703e12b0103557ab45911e75263910",
"previousHash": "0xa94ccb75bc1bc83543cc9ec699be7361758b569c0bc706bc6c8333635a1e48e2",
"timestamp": 1525718433000,
"height": 5573487,
"merkleRoot": "0x23150b20007f58aaea1d94d1efcf7a0405c21d4b89d3d72f5d5e9158091ea70e",
"childBlockConfirmationsInParentCount": 2
},
{
"blockchain": "lsk",
"hash": "3371133151079151548",
"previousHash": "13209678546679460983",
"timestamp": 1525718450000,
"height": 5925309,
"merkleRoot": "c45397537808c18936ae34465748579012ccdd8f724fbb0ae2a0cb19988401c4c20ea296e48fa424c4aa3373b39eb799d9b3c3bc7ad8b8c3d19130f03f88154e",
"childBlockConfirmationsInParentCount": 1
},
{
"blockchain": "neo",
"hash": "0xe0867ba630a7dffa0ea77c1694cb96e5c7d321457d499d7020541e38cd39e87e",
"previousHash": "0xdc4c5ba8ad8893106e07c6de584bbeb345fd412311e9872be9ad076b8ed01f8b",
"timestamp": 1525718420000,
"height": 2239561,
"merkleRoot": "0x2a1a95c530fdfe44c07f81be61dfa536110473d70f4369553806cd7ec0af3b2b",
"childBlockConfirmationsInParentCount": 4
},
{
"blockchain": "wav",
"hash": "4MRkFenzbT2kPJ19WFByxsvGRnCQniCeG4BQ4eeWDj9H3oMdRABfGyuFVad6THa65yv5mKjC6aEnZiEFz5n56y9i",
"previousHash": "2h5MjUp7pjESGi6A7yP8wqWvCnfkBLej6n3SAeas7pfpPD2nL9eyv8Tag1r1MXdwscXdnTS3vcDxFddJgTthkmpV",
"timestamp": 1525718261999,
"height": 990863,
"merkleRoot": "2e33d750fe4a520bc385d2fce387629fbfa2c26e66b6991db2085e10563e6e95cd0b64b95e4df9bf995f8fdfc9644b4dfca5f975827d36c16f933749513e62dc",
"childBlockConfirmationsInParentCount": 28
}
]
}
2018-05-07T18:40:56.342Z INFO engine.index Broadcasting mined block
2018-05-07T18:40:59.772Z ERROR p2p.node Error sending message to peer QmXk7xmWA4yShKUwXN7JZXatFX6ATRVYHzkL52tngTxhiW true
2018-05-07T18:40:59.800Z ERROR p2p.node Error sending message to peer QmXk7xmWA4yShKUwXN7JZXatFX6ATRVYHzkL52tngTxhiW true
2018-05-07T18:41:00.024Z ERROR p2p.node Error sending message to peer QmXk7xmWA4yShKUwXN7JZXatFX6ATRVYHzkL52tngTxhiW
UNCAUGHT EXCEPTION, saving in exception.log Error: already piped
at sink (/src/node_modules/pull-pair/index.js:11:13)
at consume (/src/node_modules/pull-defer/sink.js:7:17)
at consume (/src/node_modules/pull-defer/sink.js:7:17)
at Connection.consume (/src/node_modules/pull-defer/sink.js:7:17)
at pull (/src/node_modules/pull-stream/pull.js:43:9)
at Dialer.handle (/src/node_modules/multistream-select/src/dialer/index.js:47:5)
at protocolHandshake (/src/node_modules/libp2p-switch/src/dial.js:216:10)
at attemptMuxerUpgrade (/src/node_modules/libp2p-switch/src/dial.js:65:11)
at ms.select (/src/node_modules/libp2p-switch/src/dial.js:177:15)
at f (/src/node_modules/once/once.js:25:25)
2018-05-07T18:41:00.425Z ERROR p2p.node Error sending message to peer QmXk7xmWA4yShKUwXN7JZXatFX6ATRVYHzkL52tngTxhiW
UNCAUGHT EXCEPTION, saving in exception.log Error: already piped
at sink (/src/node_modules/pull-pair/index.js:11:13)
at consume (/src/node_modules/pull-defer/sink.js:7:17)
at consume (/src/node_modules/pull-defer/sink.js:7:17)
at Connection.consume (/src/node_modules/pull-defer/sink.js:7:17)
at pull (/src/node_modules/pull-stream/pull.js:43:9)
at Dialer.handle (/src/node_modules/multistream-select/src/dialer/index.js:47:5)
at protocolHandshake (/src/node_modules/libp2p-switch/src/dial.js:216:10)
at attemptMuxerUpgrade (/src/node_modules/libp2p-switch/src/dial.js:65:11)
at ms.select (/src/node_modules/libp2p-switch/src/dial.js:177:15)
at f (/src/node_modules/once/once.js:25:25)
2018-05-07T18:41:00.613Z ERROR p2p.node Error sending message to peer QmXk7xmWA4yShKUwXN7JZXatFX6ATRVYHzkL52tngTxhiW
UNCAUGHT EXCEPTION, saving in exception.log Error: already piped
at sink (/src/node_modules/pull-pair/index.js:11:13)
at consume (/src/node_modules/pull-defer/sink.js:7:17)
at consume (/src/node_modules/pull-defer/sink.js:7:17)
at Connection.consume (/src/node_modules/pull-defer/sink.js:7:17)
at pull (/src/node_modules/pull-stream/pull.js:43:9)
at Dialer.handle (/src/node_modules/multistream-select/src/dialer/index.js:47:5)
at protocolHandshake (/src/node_modules/libp2p-switch/src/dial.js:216:10)
at attemptMuxerUpgrade (/src/node_modules/libp2p-switch/src/dial.js:65:11)
at ms.select (/src/node_modules/libp2p-switch/src/dial.js:177:15)
at f (/src/node_modules/once/once.js:25:25)
2018-05-07T18:41:00.679Z ERROR p2p.node Error sending message to peer QmXk7xmWA4yShKUwXN7JZXatFX6ATRVYHzkL52tngTxhiW
UNCAUGHT EXCEPTION, saving in exception.log Error: already piped
at sink (/src/node_modules/pull-pair/index.js:11:13)
at consume (/src/node_modules/pull-defer/sink.js:7:17)
at consume (/src/node_modules/pull-defer/sink.js:7:17)
at Connection.consume (/src/node_modules/pull-defer/sink.js:7:17)
at pull (/src/node_modules/pull-stream/pull.js:43:9)
at Dialer.handle (/src/node_modules/multistream-select/src/dialer/index.js:47:5)
at protocolHandshake (/src/node_modules/libp2p-switch/src/dial.js:216:10)
at attemptMuxerUpgrade (/src/node_modules/libp2p-switch/src/dial.js:65:11)
at ms.select (/src/node_modules/libp2p-switch/src/dial.js:177:15)
at f (/src/node_modules/once/once.js:25:25)
2018-05-07T18:41:00.732Z INFO p2p.node Peers count 8
2018-05-07T18:41:00.792Z ERROR p2p.node Error dialing /status protocol QmXk7xmWA4yShKUwXN7JZXatFX6ATRVYHzkL52tngTxhiW
UNCAUGHT EXCEPTION, saving in exception.log true
/src/lib/helper/error.js:42
obj.stack = obj.stack.split('\n').map(line => line.trim()).filter(line => line !== '');
^
2018-05-07T18:41:00.887604748Z
TypeError: Cannot read property 'split' of undefined
at errToObj (/src/lib/helper/error.js:42:25)
at errToString (/src/lib/helper/error.js:54:15)
at process.on.uncaughtError (/src/lib/cli/main.js:108:34)
at emitOne (events.js:121:20)
at process.emit (events.js:211:7)
at process._fatalException (bootstrap_node.js:375:26)

[trick77]

@korczis bumping libp2p to 0.20.0 resolves the "already piped" errors since the transient dependency to libp2p-switch is updated as well. The "already piped" problem was a known bug in libp2p-switch 0.37.3. My bcnode is running more stable with 0.20.0.