Thanks Rob, I've been having some hassles working with tomcat, nginx,
docker and and the ufw python firewall thing that ships with CentOS. A
blocked port could certainly be a possibility and I'll start there with my
troubleshooting.
Tom
On Wed, Mar 7, 2018 at 10:12 AM, Robert Casey <rob@xxxxxxxxxxxxxxxxxxx>
wrote:
>
> I did a little Stack Overflow poking around since this was an
> intriguing error. If the poster for this issue is correct:
>
> https://stackoverflow.com/questions/39710180/apr-error-730054/
>
> This is a Tomcat connection error and the code can point to
> something in this list of constants:
>
> https://tomcat.apache.org/tomcat-8.0-doc/api/constant-values.html
>
> I am not sure about the negative value, but a positive 120001 is
> equal to TIMEUP.
>
> The -32 might be a APR_POLLHUP, but there are so many 32's it's
> hard to be sure.
>
> APR is the Apache Portable Runtime and can be used as an option
> for your HTTP connectors and thread management. I haven't seen this as
> much in use, but it's supposed to be pretty performant because it bypasses
> Java. I wonder if the docker image has its OpenSSL library properly
> installed? Could also just be a blocked port that needs to be opened
> through Docker. More information on Tomcat connectors here. We typically
> use NIO.
>
> https://blog.eveoh.nl/2012/04/some-notes-on-tomcat-
> connector-performance/
>
>
> -Rob
>
>
>
> > On Mar 7, 2018, at 9:24 AM, tom cook <tmcook@xxxxxxxx> wrote:
> >
> > Hi,
> > I'm seeing a bunch of these errors.
> >
> > ERROR - thredds.server.ncss.controller.AbstractNcssController -
> Uncaught exception
> > org.apache.catalina.connector.ClientAbortException:
> java.io.IOException: APR error: -120001
> >
> > and
> >
> > ERROR - thredds.server.ncss.controller.AbstractNcssController -
> Uncaught exception
> > org.apache.catalina.connector.ClientAbortException:
> java.io.IOException: APR error: -32
> >
> > These often precede
> >
> > ERROR - thredds.server.ncss.controller.AbstractNcssController -
> Uncaught exception
> > org.springframework.web.util.NestedServletException: Handler dispatch
> failed; nested exception is java.lang.OutOfMemoryError: Java heap space
> >
> >
> > I understand the OutOfMemoryError error, but I don't understand the APR
> error and can't find those codes listed anywhere.
> > I running the latest TDS docker image (4.6.12-SNAPSHOT).
> >
> > Thanks,
> > Tom
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