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From fatzopilot <fatzopi...@gmx.net>
Subject Tomcat on Ubuntu 8.04 VPS and presumably multiple socket problems
Date Wed, 27 Jan 2010 00:16:19 GMT

Hi,

I switched from a Windows XP based VPS to a Ubuntu 8.04 linux machine. Both
run Tomcat 6.0.18 and 2.2.8 on tcp4. I now face several problems that might
be related to some low level socket issue but do not necessarily need to. I
am already glad to receive some hints to further boil down the issues.
1st issue: I cannot connect to a socket server embedded in a webapp and
listening on port 10000 any more in all cases. If I do it from a mobile
device, it works, if i do it from my laptop over a dsl connection (router in
between), a channel is opened and instantly closed.
2nd issue: mod_jk does not work. I think I replayed multiple instructions to
set it up multiple times but in all cases it finally says "Could not find a
worker for worker name=myWorker" 
3rd issue: GWT-RPC calls do not get delivered any more to the browser on my
laptop.

IPtables is turned off. 

netstat -npl 
gives           
Proto Recv-Q Send-Q Local Address           Foreign Address         State      
PID/Program name
tcp        0      0 0.0.0.0:8443            0.0.0.0:*               LISTEN     
17648/sw-cp-serverd
tcp        0      0 0.0.0.0:443             0.0.0.0:*               LISTEN     
17447/apache2      
tcp        0      0 0.0.0.0:993             0.0.0.0:*               LISTEN     
13847/couriertcpd  
tcp        0      0 0.0.0.0:995             0.0.0.0:*               LISTEN     
13882/couriertcpd  
tcp        0      0 127.0.0.1:8009          0.0.0.0:*               LISTEN     
29931/jsvc         
tcp        0      0 0.0.0.0:106             0.0.0.0:*               LISTEN     
14178/xinetd       
tcp        0      0 0.0.0.0:3306            0.0.0.0:*               LISTEN     
13704/mysqld       
tcp        0      0 0.0.0.0:587             0.0.0.0:*               LISTEN     
14178/xinetd       
tcp        0      0 0.0.0.0:110             0.0.0.0:*               LISTEN     
13868/couriertcpd  
tcp        0      0 0.0.0.0:143             0.0.0.0:*               LISTEN     
13816/couriertcpd  
tcp        0      0 0.0.0.0:10000           0.0.0.0:*               LISTEN     
29931/jsvc         
tcp        0      0 0.0.0.0:8080            0.0.0.0:*               LISTEN     
29931/jsvc         
tcp        0      0 0.0.0.0:8880            0.0.0.0:*               LISTEN     
17648/sw-cp-serverd
tcp        0      0 0.0.0.0:80              0.0.0.0:*               LISTEN     
17447/apache2      
tcp        0      0 127.0.0.1:10001         0.0.0.0:*               LISTEN     
17648/sw-cp-serverd
tcp        0      0 0.0.0.0:465             0.0.0.0:*               LISTEN     
14178/xinetd       
tcp        0      0 0.0.0.0:21              0.0.0.0:*               LISTEN     
14178/xinetd       
tcp        0      0 83.169.23.236:53        0.0.0.0:*               LISTEN     
12281/named        
tcp        0      0 127.0.0.1:53            0.0.0.0:*               LISTEN     
12281/named        
tcp        0      0 127.0.0.1:631           0.0.0.0:*               LISTEN     
13913/cupsd        
tcp        0      0 0.0.0.0:25              0.0.0.0:*               LISTEN     
14178/xinetd       
tcp        0      0 127.0.0.1:953           0.0.0.0:*               LISTEN     
12281/named        
tcp        0      0 127.0.0.1:6010          0.0.0.0:*               LISTEN     
20331/sshd: nx@nott
tcp6       0      0 :::22                   :::*                    LISTEN     
13464/sshd         
tcp6       0      0 ::1:6010                :::*                    LISTEN     
20331/sshd: nx@nott
udp        0      0 0.0.0.0:5353            0.0.0.0:*                          
13545/avahi-daemon:
udp        0      0 0.0.0.0:47737           0.0.0.0:*                          
13545/avahi-daemon:
udp        0      0 83.169.23.236:53        0.0.0.0:*                          
12281/named        
udp        0      0 127.0.0.1:53            0.0.0.0:*                          
12281/named        
udp        0      0 0.0.0.0:43854           0.0.0.0:*                          
32643/adept_manager
udp        0      0 0.0.0.0:37455           0.0.0.0:*                          
12281/named        
udp6       0      0 :::37787                :::*                               
12281/named      

Any thoughts on this? Your help is really appreciated.
Thanks
fatzopilot
-- 
View this message in context: http://old.nabble.com/Tomcat-on-Ubuntu-8.04-VPS-and-presumably-multiple-socket-problems-tp27332135p27332135.html
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