Ciao Fabio,
I have never seen this problem, but it looks like something independent of
GeoServer.
A quick search for Jetty and CLOSE_WAIT on Google gives a number of
interesting results,
did you try looking into them already?
https://www.google.it/search?q=close_wait+jetty&oq=close_wait+jetty
Cheers
Andrea
On Wed, Apr 12, 2017 at 12:14 PM, Fabio Martinelli <
[email protected]> wrote:
> Dear colleagues
>
> I'm a Junior Geoserver/Jetty 2.11.0 admin and I'm facing this crash on
> my Geoserver/Jetty setup running on a 32GB RAM CentOS7 VM provided by
> Hetzner [§] :
>
>
> $ egrep webcache lsof.txt | grep CLOSE_WAIT | tail
> ...
> java 8403 15947 geoserver 1015u IPv6 332956
> 0t0 TCP
> localhost.localdomain:webcache->localhost.localdomain:34244 (CLOSE_WAIT)
> java 8403 15947 geoserver 1016u IPv6 332959
> 0t0 TCP
> localhost.localdomain:webcache->localhost.localdomain:34246 (CLOSE_WAIT)
> java 8403 15947 geoserver 1017u IPv6 332996
> 0t0 TCP
> localhost.localdomain:webcache->localhost.localdomain:34248 (CLOSE_WAIT)
>
>
> $ egrep webcache lsof.txt | grep CLOSE_WAIT -c
> 169257
>
>
> PID 8403 is Geoserver :
>
> geoserv+ 8403 6.4 56.7 23500896 18603080 ? Ssl Apr11 82:52 java
> -DGEOSERVER_DATA_DIR=/usr/share/geoserver/data_dir
> -Djava.awt.headless=true -DSTOP.PORT=8079 -DSTOP.KEY=geoserver
> -Djavax.net.ssl.trustStore=/etc/pki/java/cacerts -Xms8G -Xmx16G
> -XX:SoftRefLRUPolicyMSPerMB=36000 -XX:+UseG1GC -jar start.jar
>
>
> $ java -version
> java version "1.8.0_121"
> Java(TM) SE Runtime Environment (build 1.8.0_121-b13)
> Java HotSpot(TM) 64-Bit Server VM (build 25.121-b13, mixed mode)
>
>
> to fix it I'm forced to restart Geoserver, until its next crash.
>
>
> kindly what may I check ?
>
>
> I can certainly provide more logs/stats/files if it's needed.
>
> I might also distribute the Geoserver components into other 32GB RAM
> CentOS7 VMs in order to avoid the recurring crashes.
>
>
> many thanks in advance for any advise,
> kind regards
> Fabio Martinelli
>
> [§] https://hetzner.de/
>
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==
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==
Ing. Andrea Aime
@geowolf
Technical Lead
GeoSolutions S.A.S.
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fax: +39 0584 1660272
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