why contracts can't be deployed on my private chain using geth CLI?

Question

I tried to use the geth CLI(the eth.contract command line) to deploy a new contract to my private chain, but why is there no response even no transactions received by the chain according to the log and when I use that command line to deploy the contract there is no need for me to unlock the account or provide the passphrase

the method posed in this question, the first answer http://ethereum.stackexchange.com/questions/3511/2-mapped-structs-with-an-address-array-push-not-working/3652#3652 — Wang, May 25 '16 at 17:03

score 0 · Accepted Answer · edited Apr 13 '17 at 13:01

The issue is most likely caused by a locked account. Try adding the --unlock 0 --password {passwordfile} parameter as shown below.

From geth --dev exposes live net accounts. Is it safe? :

Here is my Dev startup script:

#!/bin/sh

geth --datadir ~/EtherDev/data --dev --nodiscover    \
  --mine --minerthreads 1 --maxpeers 0 --verbosity 3 \
  --unlock 0 --password ~/EtherDev/etc/passwordfile  \
  --rpc console

And here is the Dev script I use to create my passwords:

#!/bin/sh

mkdir ~/EtherDev/data
geth --datadir ~/EtherDev/data           \
  --password ~/EtherDev/etc/passwordfile \
  account new

And I just use a simple password in ~/EtherDev/etc/passwordfile.

I unlock the account first and problem solved, thank you! – Wang May 26 '16 at 04:09 — Wang, May 26 '16 at 04:09

why contracts can't be deployed on my private chain using geth CLI?

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