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From Mike Jumper <>
Subject RE: tracking down a tomcat 500 error
Date Wed, 04 Oct 2017 13:19:07 GMT
Does the Windows 10 version of Docker have the "docker logs" command?

On Oct 4, 2017 05:39, "Ryan Underwood" <> wrote:

Thanks Mike.
I typed PUT but meant POST, as it shows below, to POST
The larger log excerpt I pasted is catalina.out from tomcat. I'll
investigate the MySQL side and jdbc connection.

Sent from my Android phone using TouchDown (

-----Original Message-----
*From:* Mike Jumper []
*Received:* Wednesday, 04 Oct 2017, 12:18AM
*To:* [user@guacamole.incubator.]
*Subject:* Re: tracking down a tomcat 500 error

On Tue, Oct 3, 2017 at 8:42 PM, Ryan Underwood <>

> I am running guacamole via docker on win10 pro. I’m using Mysql, guacamole
> and guacd and all appear to be running as intended.  I get a 500 error when
> I hit the home page. Localhost access log shows all the GETs work

Those GETs are probably to static files, and thus aren't hitting the
component which is failing.

> and a PUT failed ( - - [04/Oct/2017:03:27:52 +0000]

There shouldn't be a PUT occurring prior to login. What URL is that PUT
request for?

"POST /guacamole/api/tokens HTTP/1.1" 500 185).  Any ideas where I should
> be looking to narrow this down or get more info?

".../api/tokens" is the URL of the REST endpoint used for handling
authentication. Given the description of your setup, the MySQL portion of
things is most likely misconfigured (somehow). Once we find the proper log,
things should clear up.

  Catalina error seems to be in non-guacamole classes so not sure where to
> go next.
> -Ryan
> Catalina:
> 04-Oct-2017 03:13:40.242 SEVERE [http-nio-8080-exec-8]
> com.sun.jersey.spi.container.ContainerResponse.logException Mapped
> exception to response: 500 (Internal Server Error)
>         at

What log file is this from specifically?


- Mike

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