Andre: Thanks and noted. Good article but does not help this problem.

Konstantin: Thanks for your notes. What is truly baffling is that I made 
changes to for "jarsToSkip"
  Before my recent changes, it took 10.5 minutes to get past the TLD scan   (I 
had a typo from before)  Then I corrected things and get 2.5 minutes on the 
Ubuntu server   (the same changes made me go down to 1 second on Fedora)
  So I know I am getting the right CATALINA_HOME (see no references to 
  The only other difference is that the server is on a Virtual machine (Digital 
Ocean) and my development server is real.

  I will try what I can to see the variables you listed , but nothing makes 
Baffled (for quite a while) but still trying to find it.

    On Monday, October 23, 2017 5:21 PM, Konstantin Kolinko 
<> wrote:

 2017-10-23 23:17 GMT+03:00 André Warnier (tomcat) <>:
> On 23.10.2017 21:30, Ray Holme wrote:
>> I have two systems running Tomcat 8.5.13 on Linux
>>    my development machine runs fully patched Fedora 26
>>    the server I use is using Ubuntu 16.4.3
>> Both have identical files as well as context.xml files
>>    The context file has a one line addition towards the end before the end
>> of context with this line
>>    <JarScanner scanClassPath="false"/>
>>    The properties file has ALL the jar files to be found in my application
>> added to the
>>    list of StandardJars....
>> My development machine spends 1 second or less on the TLD warning before
>> the next line in the log comes up.
>> The server spends 150 seconds (good day, yesterday it was 10.5 minutes).
>> What can I do to speed up the startup?
> Did you read this ?


Also, take several (3) thread dumps to see what code is actually being executed.

Is Ubuntu installed manually from official Tomcat binaries provided by ASF?

It may be that the configuration that you edited is not the one that
is actually being used.

Tomcat can be run with CATALINE_BASE != CATALINA_HOME,  and some OS
vendors place Tomcat configuration files into a different place.

Print the values of system properties
(e.g. by writing a simple JSP file that displays the values)

Best regards,
Konstantin Kolinko

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