EP Application Server is down

[Former Member]

Hi,

One of the EP Produciton Application server i.e. appp27052 is not

accepting any connection from browser, found following error from NWA

logs:

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java.net.SocketException: Too many open files (errno:24)

at java.net.PlainSocketImpl.socketAccept(Native Method)

at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:353)

at java.net.ServerSocket.implAccept(ServerSocket.java:454)

at java.net.ServerSocket.accept(ServerSocket.java:425)

at com.sap.engine.core.port.impl0.ServerSocketListener.run

(ServerSocketListener.java:93)

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We have following Kernel Parameter

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defined msgmnb 65535

defined msgtql 4096

defined semaem 16384

defined semmnu 4092

defined semmns 12288

defined semmni 4096

defined semume 256

defined semvmx 49151

defined shmmax 17179869184

defined shmmni 1000

defined shmseg 384

defined maxfiles 6144

defined maxfiles_lim 6144

defined nflocks 4096

defined ninode 34816

defined maxdsiz 2063835136

defined maxdsiz_64bit 17179869184

defined maxssiz_64bit 1073741824

defined maxuprc 16384

defined max_thread_proc 4096

defined nkthread 52516

defined nproc 30000

defined filecache_min 1427394560

defined filecache_max 1427394560

defined process_id_min 0

defined process_id_max 30000

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ulimit -a has following output:

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uctvp770:pp1adm 31> ulimit -a

time(seconds) unlimited

file(blocks) unlimited

data(kbytes) 2015464

stack(kbytes) 131072

memory(kbytes) unlimited

coredump(blocks) 4194303

nofiles(descriptors) 6144

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The dispatcher and 3 cluster nodes created for the same Application server.

Regards,

Ashish Kumar

[Former Member · Accepted solution]

Hi

Please refer to the note below and let us know if helpful.

Note 599852 - Too many open files from the J2EE Engine when using HEAD

Regards

Kaleem