FATAL failed to bind to endpoint 'http+tcp://[::]:8531'. Please check whether another instance is already running using this endpoint and review your endpoints configuration. about arangodb HOT 9 CLOSED

This looks like an issue with the database itself.
Please create an issue in https://github.com/arangodb/arangodb/issues

from arangodb.

Thanks for reporting.
This looks like an IPv6 related issue.
What is your network environment like?

• Does it use/support IPv6
• Does is use/supportIPv4?

from arangodb.

I use IPv4, and using VPN in my office.
and my server environment is CentOS 6

from arangodb.

Can you try the following arangod (database itself) commands and let me know the result

• arangod --server.endpoint http+ssl://[::]:8531
• arangod --server.endpoint http+ssl://0.0.0.0:8531

from arangodb.

1. /usr/sbin/arangod --server.endpoint http+ssl://[::]:8531

INFO ArangoDB 3.1.24 [linux] 64bit, using VPack 0.1.30, ICU 54.1, V8 5.0.71.39, OpenSSL 1.0.1e-fips 11 Feb 2013
2017-07-10T09:07:12Z [37244] INFO using SSL options: SSL_OP_CIPHER_SERVER_PREFERENCE, SSL_OP_TLS_ROLLBACK_BUG
2017-07-10T09:07:12Z [37244] INFO Starting up with role SINGLE
2017-07-10T09:07:12Z [37244] INFO Authentication is turned on
2017-07-10T09:07:12Z [37244] INFO Authentication system only
2017-07-10T09:07:12Z [37244] INFO Authentication for unix sockets is turned on
2017-07-10T09:07:12Z [37244] INFO file-descriptors (nofiles) hard limit is 81920, soft limit is 81920
2017-07-10T09:07:12Z [37244] WARNING fcntl on lockfile '/var/lib/arangodb3/LOCK' failed: not implemented. a possible reason is that the filesystem does not support file-locking
2017-07-10T09:07:12Z [37244] FATAL database is locked, please check the lock file '/var/lib/arangodb3/LOCK'

2. /usr/sbin/arangod --server.endpoint http+ssl://0.0.0.0:8531

INFO ArangoDB 3.1.24 [linux] 64bit, using VPack 0.1.30, ICU 54.1, V8 5.0.71.39, OpenSSL 1.0.1e-fips 11 Feb 2013
2017-07-10T09:08:53Z [37306] INFO using SSL options: SSL_OP_CIPHER_SERVER_PREFERENCE, SSL_OP_TLS_ROLLBACK_BUG
2017-07-10T09:08:53Z [37306] INFO Starting up with role SINGLE
2017-07-10T09:08:53Z [37306] INFO Authentication is turned on
2017-07-10T09:08:53Z [37306] INFO Authentication system only
2017-07-10T09:08:53Z [37306] INFO Authentication for unix sockets is turned on
2017-07-10T09:08:53Z [37306] INFO file-descriptors (nofiles) hard limit is 81920, soft limit is 81920
2017-07-10T09:08:53Z [37306] WARNING fcntl on lockfile '/var/lib/arangodb3/LOCK' failed: not implemented. a possible reason is that the filesystem does not support file-locking
2017-07-10T09:08:53Z [37306] FATAL database is locked, please check the lock file '/var/lib/arangodb3/LOCK'

from arangodb.

Looks like a database is already running.
Please check that. To work around it, add this --database.directory someTempDirectory to each command, (use a different temp folder for each command)

from arangodb.

1. sudo /usr/sbin/arangod --server.endpoint http+ssl://[::]:8531 --database.directory /home1/irteam/apps/temp-dir-1/

2017-07-10T09:22:52Z [37983] INFO ArangoDB 3.1.24 [linux] 64bit, using VPack 0.1.30, ICU 54.1, V8 5.0.71.39, OpenSSL 1.0.1e-fips 11 Feb 2013
2017-07-10T09:22:52Z [37983] INFO using SSL options: SSL_OP_CIPHER_SERVER_PREFERENCE, SSL_OP_TLS_ROLLBACK_BUG
2017-07-10T09:22:52Z [37983] INFO Starting up with role SINGLE
2017-07-10T09:22:52Z [37983] INFO Authentication is turned on
2017-07-10T09:22:52Z [37983] INFO Authentication system only
2017-07-10T09:22:52Z [37983] INFO Authentication for unix sockets is turned on
2017-07-10T09:22:52Z [37983] INFO file-descriptors (nofiles) hard limit is 81920, soft limit is 81920
2017-07-10T09:22:52Z [37983] FATAL cannot lock the database directory, please check the lock file '/home1/irteam/apps/temp-dir-1/LOCK': system error

2. sudo /usr/sbin/arangod --server.endpoint http+ssl://0.0.0.0:8531 --database.directory /home1/irteam/apps/temp-dir-2/

2017-07-10T09:24:46Z [38094] INFO ArangoDB 3.1.24 [linux] 64bit, using VPack 0.1.30, ICU 54.1, V8 5.0.71.39, OpenSSL 1.0.1e-fips 11 Feb 2013
2017-07-10T09:24:46Z [38094] INFO using SSL options: SSL_OP_CIPHER_SERVER_PREFERENCE, SSL_OP_TLS_ROLLBACK_BUG
2017-07-10T09:24:46Z [38094] INFO Starting up with role SINGLE
2017-07-10T09:24:46Z [38094] INFO Authentication is turned on
2017-07-10T09:24:46Z [38094] INFO Authentication system only
2017-07-10T09:24:46Z [38094] INFO Authentication for unix sockets is turned on
2017-07-10T09:24:46Z [38094] INFO file-descriptors (nofiles) hard limit is 81920, soft limit is 81920
2017-07-10T09:24:46Z [38094] FATAL cannot lock the database directory, please check the lock file '/home1/irteam/apps/temp-dir-2/LOCK': system error

and I cannot find any lock file in each temp path.

from arangodb.

which OS & filesystem are you running on?

from arangodb.

CentOS 6.9 64Bit & network storage(/dev/xvda1, tmpfs, /dev/xvda2)

from arangodb.