I don't think it has anything to do with EC2, but I could be wrong. Like I said before other ports connect fine, and everything is in the same subnet. There's no way for a firewall to interfere as iptables is disabled.
It's a VPC with private (different IPs, you can't have duplicate IP's in EC2). On Fri, Mar 8, 2013 at 1:22 PM, Christopher Schultz <ch...@christopherschultz.net> wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA256 > > Frank, > > On 3/8/13 2:42 PM, Zippy Zeppoli wrote: >> So, I have a tomcat7 cluster on AWS with a cluster configuration >> that works on my local VirtualBox cluster. >> >> Specs: - Same config. - Firewall turned off on all hosts. - unicast >> instead of multicast >> >> the following commands time out: nc -zv member1 8080 nc -zv >> member1 4110 >> >> They are listening however: tcp 0 0 0.0.0.0:4110 >> 0.0.0.0:* LISTEN tcp 0 0 0.0.0.0:8080 >> 0.0.0.0:* LISTEN >> >> tcpdump shows over and over SYN's but no replies on all members: >> 18:57:23.762712 IP member1: 52548 > 192.168.10.10.g2tag: Flags >> [S], seq 215397535, win 14600, options [mss 1460,sackOK,TS val >> 159216257 ecr 0,nop,wscale 7], length 0 >> >> >> Connecting to any other port from one member to another works >> fine, for example ssh. >> >> So I can't figure out why network communication works between all >> hosts, tomcat is listening, but trying to connect to the listening >> port fails. > > Are you using your EC2 internal IP addresses or external PI addresses? > When you say you have the "same config", I presume that you have > different IP addresses configured, yes? > > - -chris > -----BEGIN PGP SIGNATURE----- > Version: GnuPG/MacGPG2 v2.0.17 (Darwin) > Comment: GPGTools - http://gpgtools.org > Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ > > iEYEAREIAAYFAlE6VqAACgkQ9CaO5/Lv0PC7zQCffK+OuT2bKd87ziLS3+ICL8II > GjUAoICdZSixj/MTozTEtrlpjJa8W9iw > =xEcb > -----END PGP SIGNATURE----- > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org > For additional commands, e-mail: users-h...@tomcat.apache.org > --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org