[daisy] Problem running two instances of Daisy

[Olivier Lange]

Hi all,

Bruno Dumon wrote:
> On Sat, 2006-10-07 at 17:21 -0700, Jill wrote:
>>
>> [...]
>>
>> Also, I did go through the document you mention (Changing location (port or
>> machine) of the different processes
>> http://cocoondev.org/daisydocs-1_5/admin/14.html) and verified that I had
>> made those changes, but still got the port 8079 message.
> 
> There's probably some component in Cocoon that listens to port 8079.
> Maybe in the cocoon log files you can see a stacktrace that gives more
> information (wiki logs are in <wikidata dir>/logs/cocoon.log).

It is Jetty's STOP port, where it listens for termination requests [1].

I ran into the same problem and while searching in the list archives, I 
found this thread. I fixed it for my Daisy 1.5 instances and thought I 
would post a follow-up (I apologize if this has been discussed or solved 
in the meantime, I haven't read the list for a while and haven't used 
Daisy 2.0 yet).

One can change that port while setting the STOP.PORT system property [2]:

   java -DSTOP.PORT=0 -jar start.jar

This setting solved the problem for me. I did set the STOP.PORT=0 system 
property in the Java Wrapper configuration file of my DaisyWiki instances:

   ~# cat /etc/daisy/wrapper-daisywiki-rrsc.conf

   [...]
   # Java Main class
   wrapper.java.mainclass=org.tanukisoftware.wrapper.WrapperSimpleApp

   # Java Classpath (include wrapper.jar)  Add class path elements as
   #  needed starting from 1
   wrapper.java.classpath.1=%WRAPPER_HOME%/lib/wrapper.jar
   wrapper.java.classpath.2=%DAISY_HOME%/daisywiki/jetty/start.jar

   # Java Library Path (location of Wrapper.DLL or libwrapper.so)
   wrapper.java.library.path.1=%WRAPPER_HOME%/lib

   # Java Additional Parameters
   wrapper.java.additional.1=-Djetty.home=%DAISY_HOME%/daisywiki/jetty
   [...]
   wrapper.java.additional.11=-DSTOP.PORT=0
   [...]

Jetty now selects a random available port where it listens for 
termination requests. In case you would need it, the port number gets 
printed on stdout, i.e. in the Wrapper's log.

I also tried to define that property as an argument to the Jetty Server 
object in the 'jetty-daisywiki.xml' configuration file:

<Configure class="org.mortbay.jetty.Server">

   <Call name="setAttribute">
     <Arg>STOP.PORT</Arg>
     <Arg>0</Arg>
   </Call>

however this didn't work. System properties and Arguments seem to be 
different beasts.

Kind regards,

--
Olivier

[1] http://docs.codehaus.org/display/JETTY/Securing+Jetty
[2] http://docs.codehaus.org/display/JETTY/Running
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