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| Re: Tomcat Server Unknown [message #1724632 is a reply to message #1723310] |
Thu, 25 February 2016 01:35   |
 Larry Isaacs
Messages: 1354
Registered: July 2009 |
Senior Member |
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On 2/14/2016 12:00 AM, Brian Smither wrote:
> Working through a Vogella tutorial about EclipseWTP. The instructions to
> set it up have got me to the point where I select Apache Tomcat v8.0,
> check "Create a new local server", and click Next.
>
> On the next screen, after entering the installation directory, I see
> "Unknown version of Tomcat was specified." and the "Download and
> Install..." button is dimmed.
>
> The question is: How do I get Eclipse to install a local Tomcat Server
> v8 in the directory H:\Tomcat?
>
> Mars.1 on Win 7.
Sorry for the slow response. I've been occupied and haven't kept up with
this list.
I assume by now you have downloaded a Tomcat 8 version manually and set
the location. When the Tomcat support was originally added, releases
were coming rapidly. Since the version that would be downloaded is
locked and can't be updated without a new release of WTP, the version
gets very out of date quickly. I may add a download link for Tomcat 8
in Eclipse Neon, but there won't be one for Tomcat 9, support for which
I hope to add shortly to Neon. I maintain it is better to download your
Tomcat directly from http://tomcat.apache.org/ so you can always get the
most current version. There is no inherent benefit to using the
download link for Tomcat versions.
Cheers,
Larry
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| Re: Tomcat Server Unknown [message #1755505 is a reply to message #1724632] |
Sat, 04 March 2017 00:04 |
Stuart Wilson
Messages: 1
Registered: March 2017 |
Junior Member |
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I was using Tomcat 8 with eclipse Mars and encountered the same issue. I found it impossible to create a new Dynamic Web Project with JSF because eclipse did not like the name of my Tomcat installation directory. Numerous workarounds, such a deleting a couple of files, did not apply to creating a new project. I tried creating a project without JSF and then attempting to add it after the fact with the same results. Many online comments suggested that it was a bug. I had also run into the same problem adding JSF to a Tomcat v8 project. The existing facets were tagged with warnings about the same issue. This was a project that produced JSP pages that ran fine, even though these "errors" were built in.
Running with that notion, I've upgraded Java to version 8, tomcat to version 9 and eclipse to neon. Same problem.
Then I came across this post, the only one I've seen that had some form of explanation.
Question 1: If the tomcat version must be a certain version, what version is it? I've been using apache-tomcat-9.0.0.M17 and have tried re-naming it to drop the M17, dropping the M17 and 0.0 and dropping the version characters entirely. None work. What is very strange is that once Tomcat V9 was installed, the addidtional JRE shows up in eclipse's list, so eclipse is somehow aware of the installation, but rejects it. If eclipse froze the tomcat version at 9.x.x, I cannot see how 9.0.0, being very early, is the wrong one.
Question 2: Eclipse having frozen a runtime seems very strange. Successive versions are generally backward compatible. Do current eclipse WTP releases support JSF development with Tomcat or not? Everything indicates that it does not.
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