Hi Mark,
The problem is that I have a dynamic app where webapps come and go, so I
can't call addWebapp() before calling start(). The best I can do is a
delayed start() - in my method that calls addWebapp() I can make a check -
and if this is the first time - call start() after addWebapp(). Will this
help? Can I safely call addWebapp() for 2nd and all other webapps after
start() ?
2012/7/22 Mark Thomas <ma...@apache.org>
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> On 17/07/2012 19:31, Alexander Shutyaev wrote:
> > Hi Christopher,
> >
> > I've found a solution to my problem although I believe it's more
> > accurate to say I guessed it :) Maybe you'll be able to explain it
> > to me. Here is the complete code:
> >
> > Tomcat tomcat = new Tomcat(); tomcat.setBaseDir(baseDir);
> > tomcat.getConnector().setPort(8080);
> > tomcat.getServer().setParentClassLoader(getClass().getClassLoader());
> >
> >
> >
> tomcat.getEngine(); // (1)
> > tomcat.init(); tomcat.getHost().addAlias("127.0.0.1"); // (2)
> > tomcat.start(); tomcat.addWebapp("", path);
> >
> > (1) - this seems like it should be called from somewhere within
> > Tomcat class during initialization, but somehow it isn't called,
> > and without this line I get a NullPointerException
> >
> > (2) - this is my solution to the problem I've described before;
> > without this line my app is only served on http://localhost:8080
> > but if I include this line my app is available on
> > http://localhost:8080, http://127.0.0.1:8080 and all other
> > assigned addresses like http://192.168.1.1:8080 etc
>
> The problems you are seeing are caused by the order you are calling
> the methods.
>
> 1. addWebapp() will create the necessary Engine and Host but these
> need to be in place before you call start().
>
> 2. There is no need to call init(). Calling start() will call init()
> if it hasn't already been called.
>
> The following should work:
> Tomcat tomcat = new Tomcat();
> tomcat.setBaseDir(baseDir);
> tomcat.getConnector().setPort(8080);
> tomcat.getServer().setParentClassLoader(getClass().getClassLoader());
> tomcat.addWebapp("", path);
> tomcat.start();
>
> Patches for improvements to the Tomcat Javadoc welcome.
>
> The Tomcat unit tests are a good source of examples of using the
> Tomcat class.
>
> Mark
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