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Posted to users@tomcat.apache.org by Roparzh Hemon <ro...@gmail.com> on 2017/07/22 07:14:50 UTC
Unable to run "Hello World" in Eclipse JEE on Mac 10.11.3
On my Mac 10.11.3 I've installed the Eclipse JEE IDE (Version: Neon.3
Release (4.6.3)) I also installed apache-tomcat 9 on my Mac, using the
following commands :
sudo mkdir -p /usr/local sudo mv ~/Downloads/apache-tomcat-9.0.0.M21
/usr/local sudo rm-f /Library/Tomcat sudo ln -s
/usr/local/apache-tomcat-9.0.0.M21/ /Library/Tomcat sudo chown -R
roparzhhemon /Library/Tomcat sudo chmod +x /Library/Tomcat/bin/*.sh
When I try "Run as server" on a minimal html file in JEE, I get the
following error message :
Could not load the Tomcat server configuration at /Servers/Tomcat v9.0
Sever at localhost-config. The configuration may be corrupt or
incomplete.
Any help appreciated.
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Re: Unable to run "Hello World" in Eclipse JEE on Mac 10.11.3
Posted by Roparzh Hemon <ro...@gmail.com>.
Thank you so much for your detailed feedback Mark, it helped me a lot
On Sat, Jul 22, 2017 at 10:25 PM, Mark Eggers
<it...@yahoo.com.invalid> wrote:
> Roparzh,
>
> This is going to be very long. I just wrote this, but have NOT done more
> than a cursory proof-reading.
>
> I hope that you find it useful.
>
> On 7/22/2017 12:14 AM, Roparzh Hemon wrote:
>> On my Mac 10.11.3 I've installed the Eclipse JEE IDE (Version: Neon.3
>> Release (4.6.3)) I also installed apache-tomcat 9 on my Mac, using the
>> following commands :
>>
>> sudo mkdir -p /usr/local sudo mv ~/Downloads/apache-tomcat-9.0.0.M21
>> /usr/local sudo rm-f /Library/Tomcat sudo ln -s
>> /usr/local/apache-tomcat-9.0.0.M21/ /Library/Tomcat sudo chown -R
>> roparzhhemon /Library/Tomcat sudo chmod +x /Library/Tomcat/bin/*.sh
>>
>> When I try "Run as server" on a minimal html file in JEE, I get the
>> following error message :
>>
>> Could not load the Tomcat server configuration at /Servers/Tomcat v9.0
>> Sever at localhost-config. The configuration may be corrupt or
>> incomplete.
>
> This is going to be very long, and I'm going to split this into two
> parts. Part A will be a straightforward (I hope) set of instructions.
> Part B will reference Part A and give some rational (I hope) reasons for
> why I do the things the way I do.
>
> Please note that I don't have a Macintosh (yet). Please also note that I
> prefer NetBeans. However since the environment I build at $work has to
> support both NetBeans and Eclipse, I am a little familiar with Eclipse.
> I'll try to keep the soapbox stuff to a minimum.
>
> The instructions will be for UNIX-like systems (MacOS, Linux), The
> Windows instructions are similar, only the locations and commands will
> be changed to reflect the operating system.
>
> Let's get started.
>
> Part A - Quick Installation
> ===========================
>
> 0. JDK - Needed if you use Maven
>
> 1. Install Tomcat
>
> a. mkdir ~[user-name]/Apache
> b. cp ~[user-name]Downloads/apache-tomcat-xxxx.tar.gz \
> ~[user-name]/Apache
> xxxx is the version that you want
> c. cd ~[user-name]/Apache; tar xvfz apache-tomcat-xxxx.tar.gz
>
> 2. Install Maven (not required, but nice to have)
>
> a. cp ~[user-name]/Downloads/apache-maven-3.5.0-bin.tar.gz \
> ~[user-name]/Apache
> b. cd ~[user-name]/Apache; tar xvfz apache-maven-3.5.0-bin.tar.gz
> c. ln -s ~[user-name]/Apache/apache-maven-3.5.0 \
> ~[user-name]/Apache/maven
> d. edit .bash_profile (create if needed)
> PATH=$PATH:$HOME/Apache/maven/bin
> export PATH
>
> 3. Install Eclipse
>
> You're on your own here. It looks like Eclipse for the Macintosh is
> significantly different than Eclipse for Linux.
>
> 4. Install Eclipse Plugins
>
> You will use the Eclipse Marketplace plugin to install the following:
>
> a. JBoss tools (required for adding Tomcat 9 to Eclipse)
> b. Log Viewer (nice to have for viewing log files)
> c. Glassfish tools (nice to have for J2EE documentation)
>
> 5. Configuring Eclipse
>
> This is going to be really difficult to show without screen captures.
> However, I'll give it a shot.
>
> a. JVM - required if you use Maven
> 1. Navigate to Windows->Preferences->Java->Installed JREs
> 2. Click on the Add button
> 3. Select Standard VM and clieck the Next button
> 4. Click on the Directory button
> 5. Browse to the JRE included with the JDK
> It will be underneath the JDK directory
> 6. Click the Finish button
> 7. Click the checkbox next to the new JRE (JDK) to make it the default
>
> b. External Maven - if you use Maven
> 1. Navigate to Windows->Maven->Installations
> 2. Click on the Add button
> 3. Leave the External radio button selected
> 4. Click on the Directory button
> 5. Browse to ~[user]/Apache/maven
> 6. Click on the Finish button
> 7. Click the checkbox next to the new Maven to make it the default
>
> c. Tomcat servers
> 1. In the bottom panel, select the Servers tab
> 2. Right-mouse click in the empty window (how is this done on a
> Macintosh?)
> 3. Select New->Server from popup menu
> 4. Browse to Tomcat v9.0 Server in the Select the server type
> 5. Change the name (not necessary) to Tomcat v9.0.0.M22
> 6. Click the Next button
> 7. Click on the Browse button
> 8. Browse to ~[user]/Apache/
> 9. Select apache-tomcat-9.0.0.M22
> 10. Click OK
> 11. Click Finish
> 12. Repeat the above for each type of Tomcat server you want to install
>
> Part B - Notes
> ===============
>
> 1. Install Tomcat
>
> It's been my philosophy to never use a system Tomcat for development
> work. You will run into multiple permissions problems, including not
> being able to start / stop Tomcat easily, read log files, modify server
> configurations, or have it controlled by the IDE.
>
> If you have a system-wide Tomcat running on the default ports (8005,
> 8009, 8080), you'll have to change your locally installed Tomcat ports.
> It's different in Eclipse, using the standard server setup.
>
> Here's how you do this in Eclipse:
>
> a. In the bottom panel, select the Servers tab
> b. Select the server you wish to work on
> c. Hit F3 to open the server configuration
> d. Make sure that you are on the Overview tab
> e. Find the server ports on the right hand side
> f. Edit them
> g. Ctrl-S to save the configuration
> h. Close the file
>
> This by default edits server metadata and DOES NOT alter your Tomcat
> installation. In other words, if you launch Tomcat from the command line
> using startup.sh, it will still use the original ports.
>
> You have the option of allowing Eclipse to take control of your Tomcat
> installation, but I've always been a bit leery about that.
>
> 2. Install Maven
>
> This step wasn't necessary, but it's nice to use the latest version of
> Maven. The installation instructions above make it easy to upgrade and
> roll back your local copy of Maven.
>
> In my development environments (RedHat - based Linux) I make the Maven
> globally available. This is done by adding some paths to
> /etc/profile.d/custom.sh. I don't know how this is accomplished on the
> Macintosh.
>
> That being said, the Eclipse lifecycle and Maven lifecycle are not
> really compatible. Progress has been made to synchronize the two, but
> you'll still run into problems. In order to get around this, there are
> some m2e-lifecycle plugins available for doing the following:
>
> 1. handling the YUI Maven compressor plugin
> 2. handling annotations
> 3. handling the Maven dependency plugin (which we use at $work)
>
> Install 'em if ya need 'em.
>
> Part C - Using this Mess
> ========================
>
> 1. Maven Gotchas
>
> Eclipse and Maven really don't get along very well. It's gotten better
> over the years (thanks to the fine team of m2e developers).
>
> The challenge centers around different views of the development
> lifecycle. Occasionally Eclipse doesn't register what Maven has done to
> the workspace, so you'll need to occasionally refresh the workspace.
>
> a. Select the project that seems to be out of sync
> b. Hit F5
>
> This will reread the workspace and update Eclipse. It's especially
> necessary when you run a maven commend outside of the IDE.
>
> 2. Creating a new Maven Project
>
> a. File->New-Maven Project
> 1. You might not see Maven Project as an option
> 2. If not, select Other
> 3. Use the New Wizard and type maven in the text filter box
> 4. Select Maven Project
> 5. Click Next
> b. Click Next
> c. Leave the Use default Workspace location checked for now
> 1. I usually store my projects in a separate directory
> 2. Makes them easier to access in multiple IDEs - a $work requirement
> d. Click the Next button
> e. You'll get a huge list of archetypes (read about those)
> f. Use the Filter and type webapp
> g. Scroll down and find the webapp-javaee7 archetype by codehaus
> 1. you can also choose the webapp-javaee6 archetype
> 2. or the webapp-jee5 archetype
> h. Click on the Next button
> i. Fill in the form
> 1. group id - I use org.mdeggers for personal, com.$work for
> professional
> 2. artifact id - pick a name, maybe myhello
> 3. version - I really hate 0.0.1-SNAPSHOT - so I use 1.0.0-SNAPSHOT
> 4. SNAPSHOT is important - read about it on the Maven site
> 5. leave the default package as is for now
> j. Click the Finish button
>
> The resulting project will be flagged with an error due to the fact that
> no ${endorsed} directory is available (yah Eclipse!). To fix this, you
> follow the instructions found by mousing over the red circle with the
> white "X" in it:
>
> To whit: You may need to perform a maven command line build in order to
> create it.
>
> To do that:
>
> a. cd to the project (workspace/myhello)
> b. mvn package
> c. then refresh the project (F5)
>
> Unfortunately, this uses the Maven dependency plugin, which doesn't fit
> well with the Eclipse lifecycle. Even with the m2e lifecycle plugin for
> the Maven dependency plugin installed, I still get an error.
>
> You have two choices:
>
> a. Delete the endorsed stuff - OK if you're not using it
> 1. remove the dependency plugin from the plugins node
> 2. remove the compiler configuration from the compiler plugin
> 3. remove the property from the properties node
> b. Keep the endorsed stuff
> 1. needed if you use the endorsed mechanism
> 2. classes in the endorsed directory may not show up in the Eclipse
> IDE
>
> BTW - this works fine with NetBeans.
>
> Finally, we can work with the project!!
>
> In src/main/webapp, there should be an index.html.
>
> a. double-click on it
> b. this should open in the editor
>
> If JBoss Tools works on the Macintosh like it does on Windows, you'll
> get two panes by default.
>
> a. source pane
> b. display pane
>
> You don't even have to run the server if this occurs. If not, we can
> then run it on the server by doing the following.
>
> a. Run as -> Run on Server
> b. Select Tomcat v9.0.0.M22
> c. Click Next
> d. Click Finish
>
> A "Hello World!" page should pop up as a separate tab in the Eclipse IDE.
>
> Addendum
> ========
>
> While the Tomcat log files are displayed in the console window at the
> bottom of the IDE, it won't display any application logging. Application
> logging is a good thing (we use commons-logging and log4j at $work), and
> you should do this for all application logging needs. It makes your
> system administrators (me) happy so that they don't have to sort
> application errors from Tomcat errors.
>
> This is where the Log Viewer plugin comes in handy. The tricky part of
> this is finding out where the logs are stored.
>
> When you set up Tomcat in Eclipse, you used the default setup which
> means that Eclipse does not take over the Tomcat installation. One of
> the downsides of that is finding the log files.
>
> The log files are found in:
>
> workspace/.metadata/.plugins/org.eclipse.wst.server.core/tmpN/logs
>
> where N is a number reflecting on which server started up first. In this
> case, since you're only running 1 server, the location would be:
>
> workspace/.metadata/.plugins/org.eclipse.wst.server.core/tmp1/logs
>
> You can then use the Log Viewer to tail, search, and otherwise monitor
> your log files.
>
> Configuration for the Log viewer is found in
>
> Windows->Preferences->Log Viewer
>
> Hopefully this will get you started, and welcome to the wonderful, wacky
> world of Java web application development.
>
> . . . just my (longwinded) two cents
> /mde/
>
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Re: Unable to run "Hello World" in Eclipse JEE on Mac 10.11.3
Posted by Mark Eggers <it...@yahoo.com.INVALID>.
Roparzh,
This is going to be very long. I just wrote this, but have NOT done more
than a cursory proof-reading.
I hope that you find it useful.
On 7/22/2017 12:14 AM, Roparzh Hemon wrote:
> On my Mac 10.11.3 I've installed the Eclipse JEE IDE (Version: Neon.3
> Release (4.6.3)) I also installed apache-tomcat 9 on my Mac, using the
> following commands :
>
> sudo mkdir -p /usr/local sudo mv ~/Downloads/apache-tomcat-9.0.0.M21
> /usr/local sudo rm-f /Library/Tomcat sudo ln -s
> /usr/local/apache-tomcat-9.0.0.M21/ /Library/Tomcat sudo chown -R
> roparzhhemon /Library/Tomcat sudo chmod +x /Library/Tomcat/bin/*.sh
>
> When I try "Run as server" on a minimal html file in JEE, I get the
> following error message :
>
> Could not load the Tomcat server configuration at /Servers/Tomcat v9.0
> Sever at localhost-config. The configuration may be corrupt or
> incomplete.
This is going to be very long, and I'm going to split this into two
parts. Part A will be a straightforward (I hope) set of instructions.
Part B will reference Part A and give some rational (I hope) reasons for
why I do the things the way I do.
Please note that I don't have a Macintosh (yet). Please also note that I
prefer NetBeans. However since the environment I build at $work has to
support both NetBeans and Eclipse, I am a little familiar with Eclipse.
I'll try to keep the soapbox stuff to a minimum.
The instructions will be for UNIX-like systems (MacOS, Linux), The
Windows instructions are similar, only the locations and commands will
be changed to reflect the operating system.
Let's get started.
Part A - Quick Installation
===========================
0. JDK - Needed if you use Maven
1. Install Tomcat
a. mkdir ~[user-name]/Apache
b. cp ~[user-name]Downloads/apache-tomcat-xxxx.tar.gz \
~[user-name]/Apache
xxxx is the version that you want
c. cd ~[user-name]/Apache; tar xvfz apache-tomcat-xxxx.tar.gz
2. Install Maven (not required, but nice to have)
a. cp ~[user-name]/Downloads/apache-maven-3.5.0-bin.tar.gz \
~[user-name]/Apache
b. cd ~[user-name]/Apache; tar xvfz apache-maven-3.5.0-bin.tar.gz
c. ln -s ~[user-name]/Apache/apache-maven-3.5.0 \
~[user-name]/Apache/maven
d. edit .bash_profile (create if needed)
PATH=$PATH:$HOME/Apache/maven/bin
export PATH
3. Install Eclipse
You're on your own here. It looks like Eclipse for the Macintosh is
significantly different than Eclipse for Linux.
4. Install Eclipse Plugins
You will use the Eclipse Marketplace plugin to install the following:
a. JBoss tools (required for adding Tomcat 9 to Eclipse)
b. Log Viewer (nice to have for viewing log files)
c. Glassfish tools (nice to have for J2EE documentation)
5. Configuring Eclipse
This is going to be really difficult to show without screen captures.
However, I'll give it a shot.
a. JVM - required if you use Maven
1. Navigate to Windows->Preferences->Java->Installed JREs
2. Click on the Add button
3. Select Standard VM and clieck the Next button
4. Click on the Directory button
5. Browse to the JRE included with the JDK
It will be underneath the JDK directory
6. Click the Finish button
7. Click the checkbox next to the new JRE (JDK) to make it the default
b. External Maven - if you use Maven
1. Navigate to Windows->Maven->Installations
2. Click on the Add button
3. Leave the External radio button selected
4. Click on the Directory button
5. Browse to ~[user]/Apache/maven
6. Click on the Finish button
7. Click the checkbox next to the new Maven to make it the default
c. Tomcat servers
1. In the bottom panel, select the Servers tab
2. Right-mouse click in the empty window (how is this done on a
Macintosh?)
3. Select New->Server from popup menu
4. Browse to Tomcat v9.0 Server in the Select the server type
5. Change the name (not necessary) to Tomcat v9.0.0.M22
6. Click the Next button
7. Click on the Browse button
8. Browse to ~[user]/Apache/
9. Select apache-tomcat-9.0.0.M22
10. Click OK
11. Click Finish
12. Repeat the above for each type of Tomcat server you want to install
Part B - Notes
===============
1. Install Tomcat
It's been my philosophy to never use a system Tomcat for development
work. You will run into multiple permissions problems, including not
being able to start / stop Tomcat easily, read log files, modify server
configurations, or have it controlled by the IDE.
If you have a system-wide Tomcat running on the default ports (8005,
8009, 8080), you'll have to change your locally installed Tomcat ports.
It's different in Eclipse, using the standard server setup.
Here's how you do this in Eclipse:
a. In the bottom panel, select the Servers tab
b. Select the server you wish to work on
c. Hit F3 to open the server configuration
d. Make sure that you are on the Overview tab
e. Find the server ports on the right hand side
f. Edit them
g. Ctrl-S to save the configuration
h. Close the file
This by default edits server metadata and DOES NOT alter your Tomcat
installation. In other words, if you launch Tomcat from the command line
using startup.sh, it will still use the original ports.
You have the option of allowing Eclipse to take control of your Tomcat
installation, but I've always been a bit leery about that.
2. Install Maven
This step wasn't necessary, but it's nice to use the latest version of
Maven. The installation instructions above make it easy to upgrade and
roll back your local copy of Maven.
In my development environments (RedHat - based Linux) I make the Maven
globally available. This is done by adding some paths to
/etc/profile.d/custom.sh. I don't know how this is accomplished on the
Macintosh.
That being said, the Eclipse lifecycle and Maven lifecycle are not
really compatible. Progress has been made to synchronize the two, but
you'll still run into problems. In order to get around this, there are
some m2e-lifecycle plugins available for doing the following:
1. handling the YUI Maven compressor plugin
2. handling annotations
3. handling the Maven dependency plugin (which we use at $work)
Install 'em if ya need 'em.
Part C - Using this Mess
========================
1. Maven Gotchas
Eclipse and Maven really don't get along very well. It's gotten better
over the years (thanks to the fine team of m2e developers).
The challenge centers around different views of the development
lifecycle. Occasionally Eclipse doesn't register what Maven has done to
the workspace, so you'll need to occasionally refresh the workspace.
a. Select the project that seems to be out of sync
b. Hit F5
This will reread the workspace and update Eclipse. It's especially
necessary when you run a maven commend outside of the IDE.
2. Creating a new Maven Project
a. File->New-Maven Project
1. You might not see Maven Project as an option
2. If not, select Other
3. Use the New Wizard and type maven in the text filter box
4. Select Maven Project
5. Click Next
b. Click Next
c. Leave the Use default Workspace location checked for now
1. I usually store my projects in a separate directory
2. Makes them easier to access in multiple IDEs - a $work requirement
d. Click the Next button
e. You'll get a huge list of archetypes (read about those)
f. Use the Filter and type webapp
g. Scroll down and find the webapp-javaee7 archetype by codehaus
1. you can also choose the webapp-javaee6 archetype
2. or the webapp-jee5 archetype
h. Click on the Next button
i. Fill in the form
1. group id - I use org.mdeggers for personal, com.$work for
professional
2. artifact id - pick a name, maybe myhello
3. version - I really hate 0.0.1-SNAPSHOT - so I use 1.0.0-SNAPSHOT
4. SNAPSHOT is important - read about it on the Maven site
5. leave the default package as is for now
j. Click the Finish button
The resulting project will be flagged with an error due to the fact that
no ${endorsed} directory is available (yah Eclipse!). To fix this, you
follow the instructions found by mousing over the red circle with the
white "X" in it:
To whit: You may need to perform a maven command line build in order to
create it.
To do that:
a. cd to the project (workspace/myhello)
b. mvn package
c. then refresh the project (F5)
Unfortunately, this uses the Maven dependency plugin, which doesn't fit
well with the Eclipse lifecycle. Even with the m2e lifecycle plugin for
the Maven dependency plugin installed, I still get an error.
You have two choices:
a. Delete the endorsed stuff - OK if you're not using it
1. remove the dependency plugin from the plugins node
2. remove the compiler configuration from the compiler plugin
3. remove the property from the properties node
b. Keep the endorsed stuff
1. needed if you use the endorsed mechanism
2. classes in the endorsed directory may not show up in the Eclipse
IDE
BTW - this works fine with NetBeans.
Finally, we can work with the project!!
In src/main/webapp, there should be an index.html.
a. double-click on it
b. this should open in the editor
If JBoss Tools works on the Macintosh like it does on Windows, you'll
get two panes by default.
a. source pane
b. display pane
You don't even have to run the server if this occurs. If not, we can
then run it on the server by doing the following.
a. Run as -> Run on Server
b. Select Tomcat v9.0.0.M22
c. Click Next
d. Click Finish
A "Hello World!" page should pop up as a separate tab in the Eclipse IDE.
Addendum
========
While the Tomcat log files are displayed in the console window at the
bottom of the IDE, it won't display any application logging. Application
logging is a good thing (we use commons-logging and log4j at $work), and
you should do this for all application logging needs. It makes your
system administrators (me) happy so that they don't have to sort
application errors from Tomcat errors.
This is where the Log Viewer plugin comes in handy. The tricky part of
this is finding out where the logs are stored.
When you set up Tomcat in Eclipse, you used the default setup which
means that Eclipse does not take over the Tomcat installation. One of
the downsides of that is finding the log files.
The log files are found in:
workspace/.metadata/.plugins/org.eclipse.wst.server.core/tmpN/logs
where N is a number reflecting on which server started up first. In this
case, since you're only running 1 server, the location would be:
workspace/.metadata/.plugins/org.eclipse.wst.server.core/tmp1/logs
You can then use the Log Viewer to tail, search, and otherwise monitor
your log files.
Configuration for the Log viewer is found in
Windows->Preferences->Log Viewer
Hopefully this will get you started, and welcome to the wonderful, wacky
world of Java web application development.
. . . just my (longwinded) two cents
/mde/
Re: [OT] Unable to run "Hello World" in Eclipse JEE on Mac 10.11.3
Posted by Christopher Schultz <ch...@christopherschultz.net>.
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
Mark,
On 7/22/17 1:18 PM, Mark Eggers wrote:
> Roparzh,
>
> On 7/22/2017 12:14 AM, Roparzh Hemon wrote:
>> On my Mac 10.11.3 I've installed the Eclipse JEE IDE (Version:
>> Neon.3 Release (4.6.3)) I also installed apache-tomcat 9 on my
>> Mac, using the following commands :
>>
>> sudo mkdir -p /usr/local sudo mv
>> ~/Downloads/apache-tomcat-9.0.0.M21 /usr/local sudo rm-f
>> /Library/Tomcat sudo ln -s /usr/local/apache-tomcat-9.0.0.M21/
>> /Library/Tomcat sudo chown -R roparzhhemon /Library/Tomcat sudo
>> chmod +x /Library/Tomcat/bin/*.sh
>>
>
> Don't do this. You will have permissions problems partially due to
> the way Eclipse runs servers by default.
>
> Also, I don't think Eclipse Neon 3 supports Tomcat 9 out of the
> box. You'll need the JBoss Tools plugins (which contain a lot of
> good stuff).
>
>> When I try "Run as server" on a minimal html file in JEE, I get
>> the following error message :
>>
>> Could not load the Tomcat server configuration at /Servers/Tomcat
>> v9.0 Sever at localhost-config. The configuration may be corrupt
>> or incomplete.
>>
>> Any help appreciated.
>
> I'm in the process of writing up a very long and detailed message
> on how I get everything running on Linux / Windows. The Linux stuff
> should be applicable to the Macintosh.
>
> I'll post this here when I'm done. Please be aware that it's going
> to be very long and have not so much to do with Tomcat. I'll label
> it [OT] so other readers can pass on it.
Sounds like a great ApacheCon talk! ;)
- -chris
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Re: Unable to run "Hello World" in Eclipse JEE on Mac 10.11.3
Posted by Mark Eggers <it...@yahoo.com.INVALID>.
Roparzh,
On 7/22/2017 12:14 AM, Roparzh Hemon wrote:
> On my Mac 10.11.3 I've installed the Eclipse JEE IDE (Version: Neon.3
> Release (4.6.3)) I also installed apache-tomcat 9 on my Mac, using the
> following commands :
>
> sudo mkdir -p /usr/local sudo mv ~/Downloads/apache-tomcat-9.0.0.M21
> /usr/local sudo rm-f /Library/Tomcat sudo ln -s
> /usr/local/apache-tomcat-9.0.0.M21/ /Library/Tomcat sudo chown -R
> roparzhhemon /Library/Tomcat sudo chmod +x /Library/Tomcat/bin/*.sh
>
Don't do this. You will have permissions problems partially due to the
way Eclipse runs servers by default.
Also, I don't think Eclipse Neon 3 supports Tomcat 9 out of the box.
You'll need the JBoss Tools plugins (which contain a lot of good stuff).
> When I try "Run as server" on a minimal html file in JEE, I get the
> following error message :
>
> Could not load the Tomcat server configuration at /Servers/Tomcat v9.0
> Sever at localhost-config. The configuration may be corrupt or
> incomplete.
>
> Any help appreciated.
I'm in the process of writing up a very long and detailed message on how
I get everything running on Linux / Windows. The Linux stuff should be
applicable to the Macintosh.
I'll post this here when I'm done. Please be aware that it's going to be
very long and have not so much to do with Tomcat. I'll label it [OT] so
other readers can pass on it.
. . . just my two cents
/mde/
Re: Unable to run "Hello World" in Eclipse JEE on Mac 10.11.3
Posted by zemiandeng <ze...@gmail.com>.
Hi, If you are simply using Eclipse to run Tomcat, I don't think you have to
run "sudo" command on MacOX. Just unzip a tomcat distribution with normal
user permission. Things should work. It might be helpful if you simply test
out the Tomcat without Eclipse first to ensure it's working, then you an
configure the IDE.
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