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Date: Fri, 22 May 2015 01:43:32 +0200
Message-ID: 
 <CANpG1OiBASx8dEwCTsekQn2sjFJwpxPomaajQZ6i8cOKY4MCEQ@mail.gmail.com>
Subject: Re: Upgrade Tomcat procedure [to avoid latency/UI bug]
From: Rafael Fonseca <rsafonseca@gmail.com>
To: dev@cloudstack.apache.org
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I've placed a patch in the JIRA issue for the breadcrumbs problem :)


On Thu, May 21, 2015 at 6:18 PM, Andrija Panic <andrija.panic@gmail.com>
wrote:

> Ah, didnt notice workarround was was related to first issue...
>
> As for the first issue, I dont experience it anymore (for whatever reason=
 -
> I did no changes really on OS side, expcet upgading ACS from 4.3.0/1 to
> 4.3.2).
> Yes, I was just testing the breadcrumb stuff - and started this thread
> because of that - sorry if I was not clear on this...
>
> But this Tomcat version replacement - is also related to the first issue =
?
>
>
> Thanks for taking the time!
>
> Cheers
>
> On 21 May 2015 at 18:08, Rafael Fonseca <rsafonseca@gmail.com> wrote:
>
> > Hi Andrija,
> >
> > This was a possible workaround for the first problem in that jira issue=
,
> to
> > clarify:
> >
> > Are you still experiencing the first issue?
> > Were you testing just for the second issue (breadcrumbs) ?
> >
> > I'll see if I can reproduce the breadcrumbs problem if I have the time =
:)
> >
> > RF
> >
> > On Thu, May 21, 2015 at 5:45 PM, Andrija Panic <andrija.panic@gmail.com=
>
> > wrote:
> >
> > > Thx Rafael, added, restated, but still see issue :(
> > >
> > > On 21 May 2015 at 17:32, Rafael Fonseca <rsafonseca@gmail.com> wrote:
> > >
> > > > Hi again Andrija,
> > > >
> > > > I saw on that issue that upgrading to tomcat 6.0.43 doesn't seem to
> fix
> > > the
> > > > issue for you, perhaps you can try another approach :)
> > > > I've seen a similar problem where there is no response from the
> > > management
> > > > server (taking from a few seconds to quite a few minutes, depending
> on
> > > the
> > > > environment). The issue i spotted is a well know problem with rando=
m
> > > number
> > > > generation with java in linux, and affects some environments more
> than
> > > > others, depending on the ammount on enthropy generated in the syste=
m.
> > VMs
> > > > suffer from this the most...
> > > >
> > > > Can you add this to the JAVA_OPTS to the
> > > > /etc/cloudstack/management/tomcat6.conf and retest?
> > > >
> > > > -Djava.security.egd=3Dfile:/dev/./urandom
> > > >
> > > >
> > > > On Thu, May 21, 2015 at 4:03 PM, Andrija Panic <
> > andrija.panic@gmail.com>
> > > > wrote:
> > > >
> > > > > Hi Rafael,  thx for clarification :)
> > > > >
> > > > > https://issues.apache.org/jira/browse/CLOUDSTACK-7907
> > > > >
> > > > > check the second issue here - this is officialy fixed by replacin=
g
> > > Tomcat
> > > > > version AFAIK, as you will see from comments.
> > > > >
> > > > >
> > > > > Thanks,
> > > > > Andrija
> > > > >
> > > > > On 21 May 2015 at 16:01, Rafael Fonseca <rsafonseca@gmail.com>
> > wrote:
> > > > >
> > > > > > Hi Andrija,
> > > > > >
> > > > > > No.. this sed is unrelated to any breadcrumb issue, can you
> > > ellaborate
> > > > on
> > > > > > that one? :)
> > > > > > This sed just makes the page reload instantly whenever you pres=
s
> F5
> > > on
> > > > > the
> > > > > > UI, instead of taking as long as the first load.
> > > > > >
> > > > > > On Thu, May 21, 2015 at 3:57 PM, Andrija Panic <
> > > > andrija.panic@gmail.com>
> > > > > > wrote:
> > > > > >
> > > > > > > Rafael,
> > > > > > >
> > > > > > > this SED is also related to the breadcrumb issue we are seein=
g
> in
> > > UI
> > > > ?
> > > > > > >
> > > > > > > Thx for inputs :)
> > > > > > >
> > > > > > > Cheers
> > > > > > >
> > > > > > > On 21 May 2015 at 15:38, Rafael Fonseca <rsafonseca@gmail.com=
>
> > > > wrote:
> > > > > > >
> > > > > > > > Btw.. if you're worried about latency on the UI, run this a=
nd
> > you
> > > > > will
> > > > > > > have
> > > > > > > > instant page reloads :)
> > > > > > > >
> > > > > > > > sed -i -e 's/?t=3D<%=3Dnow%>//'
> > > > > > > > /usr/share/cloudstack-management/webapps/client/index.jsp
> > > > > > > >
> > > > > > > > On Thu, May 21, 2015 at 3:34 PM, Rafael Fonseca <
> > > > > rsafonseca@gmail.com>
> > > > > > > > wrote:
> > > > > > > >
> > > > > > > > > Hi Andrija,
> > > > > > > > >
> > > > > > > > > Those sort of problems will no longer affect anyone when =
my
> > PR
> > > > gets
> > > > > > > > > merged: https://github.com/apache/cloudstack/pull/238
> > > > > > > > > In the meanwhile, if you want to run tomcat 6.0.43 in any
> > > distro,
> > > > > > just
> > > > > > > do
> > > > > > > > > the following:
> > > > > > > > >
> > > > > > > > > - Download
> > > > > > > > >
> > > > > > > >
> > > > > > >
> > > > > >
> > > > >
> > > >
> > >
> >
> http://archive.apache.org/dist/tomcat/tomcat-6/v6.0.43/bin/apache-tomcat-=
6.0.43.tar.gz
> > > > > > > > > - Uncompress to some folder
> > > > > > > > > - Change links on /usr/share/cloudstack-management/lib an=
d
> > > > > > > > > /usr/share/cloudstack-management/bin to point to the
> location
> > > of
> > > > > the
> > > > > > > > > version you just decompressed.
> > > > > > > > > - All done! :)
> > > > > > > > >
> > > > > > > > >
> > > > > > > > >
> > > > > > > > >
> > > > > > > > > On Thu, May 21, 2015 at 3:05 PM, Andrija Panic <
> > > > > > > andrija.panic@gmail.com>
> > > > > > > > > wrote:
> > > > > > > > >
> > > > > > > > >> Hi,
> > > > > > > > >>
> > > > > > > > >> Im wondering if anyone have clean procedure of upgrading
> > stock
> > > > > > Tomcat
> > > > > > > to
> > > > > > > > >> supported version 6.0.43, to avoid the latency issues an=
d
> > > UI...
> > > > on
> > > > > > > > >> production envioroment.
> > > > > > > > >>
> > > > > > > > >> We are running Ubuntu 14.04 and CEntos 6.6 stock Tomcat
> > > > > versions...
> > > > > > > > >>
> > > > > > > > >> Cheers
> > > > > > > > >>
> > > > > > > > >> --
> > > > > > > > >>
> > > > > > > > >> Andrija Pani=C4=87
> > > > > > > > >>
> > > > > > > > >
> > > > > > > > >
> > > > > > > >
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > > > --
> > > > > > >
> > > > > > > Andrija Pani=C4=87
> > > > > > >
> > > > > >
> > > > >
> > > > >
> > > > >
> > > > > --
> > > > >
> > > > > Andrija Pani=C4=87
> > > > >
> > > >
> > >
> > >
> > >
> > > --
> > >
> > > Andrija Pani=C4=87
> > >
> >
>
>
>
> --
>
> Andrija Pani=C4=87
>

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