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From "Pier P. Fumagalli" <p...@betaversion.org>
Subject Re: Jakarta crashes after 900+ simultaneous connection
Date Fri, 10 Aug 2001 10:43:28 GMT
Santosh Pasi at spasi@diskonnet.com wrote:
> 
> Hi everyone,
> 
> We are doing some stress testing. My problem is that when number of
> connections reaches around 940..980, jakarta crashes with following
> messages-------------------------------------------------------------
> SIGSEGV   11*  segmentation violation
>   si_signo [11]: SIGSEGV   11*  segmentation violation
>   si_errno [0]: Success
>   si_code [0]: SI_USER [pid: 0, uid: 0]
>       stackpointer=0x4c558554
> 
> Full thread dump Classic VM (1.2.2-L, green threads):
>   "ppp202" (TID:0x40fb7190, sys_thread_t:0x8d0dec0, state:R) prio=5
>       at java.net.SocketInputStream.socketRead(Native Method)
>       at java.net.SocketInputStream.read(SocketInputStream.java:86)
>       at java.net.SocketInputStream.read(SocketInputStream.java:67)
>       at java.io.InputStreamReader.fill(InputStreamReader.java:159)
>       at java.io.InputStreamReader.read(InputStreamReader.java:235)
>       at java.io.BufferedReader.fill(BufferedReader.java:133)
>       at java.io.BufferedReader.readLine(BufferedReader.java:270)
>       at java.io.BufferedReader.readLine(BufferedReader.java:325)
>       at IRCClient.run(IRCClient.java:799)
>   "bumba174" (TID:0x40f88f90, sys_thread_t:0x8d0b358, state:CW) prio=5
>       at java.lang.Thread.sleep(Native Method)
>       at IRCClient.run(IRCClient.java:765)
>   "sunny1176" (TID:0x40f75b28, sys_thread_t:0x8d0b930, state:CW) prio=5
>       at java.lang.Thread.sleep(Native Method)
> 
> 
> ......
> ......
> 
> -------------------------------------------------------------
> 
> We are using redhat 6.2 Linux, kernel 2.2.16, Tomcat-jakarta-3.2.1,
> apache 1.3.14.
> Hope to get some reply.

>From what I can see here, your problem is not TOMCAT (there's no such thing
as "Jakarta"), but your IRC client.


    Pier


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