Java always hang.. message "Too many open files" appears sometime.

[Peter Mueller]

Yes, use limits.conf.  But don't forget about the ssh bug!
 
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=116133
 
Regards,
 
P

	-----Original Message-----
	From: linux-poweredge-bounces at dell.com
[mailto:linux-poweredge-bounces at dell.com] On Behalf Of Normandin, Jerry
	Sent: Wednesday, May 11, 2005 4:58 AM
	To: 'NiCK'; linux-poweredge at dell.com
	Subject: RE: Java always hang.. message "Too many open files" appears
sometime.
	
	

	Did you edit /etc/security/limits.conf? 

	You need to set: 
	*               soft    nofile          128000 
	*               hard    nofile          128000 


	Also you may need to set noproc too. 
	-----Original Message----- 
	From: linux-poweredge-bounces at dell.com 
	[mailto:linux-poweredge-bounces at dell.com]On Behalf Of NiCK 
	Sent: Wednesday, May 11, 2005 1:52 AM 
	To: linux-poweredge at dell.com 
	Subject: Java always hang.. message "Too many open files" appears 
	sometime. 


	Hello, DELL exports, 

	I migrate java application from old server to DELL PE2850 , OS
upgrade 
	to Redhat enterprice AS3 update 4 x86_64 form redhat 7.3. But java 
	application got hang sometime. 

	Java program always hang.. message "Too many open files" appears 
	sometime. 

	perform command lsof will appear following error message. 
	java 21929 mms31 53u sock 0,0 15544497 can't identify protocol java 
	21929 mms31 54u sock 0,0 15544498 can't identify protocol java 21929 
	mms31 55u sock 0,0 15544522 can't identify protocol java 21929 mms31
56u 
	sock 0,0 15544523 can't identify protocol java 21929 mms31 57u sock
0,0 
	15544562 can't identify protocol ........ 

	my platform: 
	DELL PE2850 
	Redhat enterprice AS3 update 4 x86_64 
	j2sdk1.4.2_03 
	CPU Intel(R) Xeon(TM) CPU 2.80GHz *2 
	MEMORY 2G 

	I already  did following solution: 
	1/disable exec-shield, echo 0 > exec-shield ;  echo 0 > exec-shield32
; 
	2/upgrade jdk to 1.4.2_08 

	But problem still  ...... 
	How can I do ? 

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