How do I change Netbeans's webserver port from 8383?
I know I could install and use a separate webserver, but I'd prefer to just use the embedded one.
Some of what I've read online makes me think it might not be possible to change the port. But, then bug https://netbeans.org/bugzilla/show_bug.cgi?id=222570 makes it sound like using other than 8383 is possible.
I can't find such a setting with the UI. I searched under the installation directory for 8383 and can't find anything.
So, how do I do this? I'm using Netbeans 8.0.1.
Thanks.
ADDITIONAL INFO:
I'm using the internal webserver that comes with Netbeans.
I don't think this is possible, definitely not via UI. Looking at the java class, port number seems to be hardcoded in the source. You would have to build the particular NetBeans module and then replace the one in NetBeans installation folder with yours module.
From what I can tell from the issue, it fixes cases when default port 8383 is occupied, IDE uses different one (increment by 1) and thanks to the fixed bug, this incremented port is also used in browser (prior the fix, even with incremented port, old 8383 was being used in browser).
You can file enhancement with request for it.
Under Window / Services / Servers you'll find every registered server. Right-click on your server, choose "Properties" and under the "Connection"-tab you can define your port.
(You haven't mentioned which server you are using, but that's the way where you usually define your port).
I can't find Servers option either and I'm using NetBeans v8.0.2. But you can use an external server [ex. IIS, Apache] as an workaround: right-click the project in Project Window > Properties > Run. Then change the Web Server to External and Project URL to your desired address.
If your project is not in an web accessible directory you must make it web accessible first by configuring your web server or adding it in an web accessible location.
Server Tomcat v7.0 Server at localhost was unable to start within 101 seconds. If the server requires more time, try increasing the timeout in the server editor.
This is my error. I changed time from 45 secs to 101 secs, but the problem remains. I removed eclipse and tomcat and I re-installed again but the same problem occurs; how can I fix this?
Try remove all breakpoints.Also you can increase start up time.
Open the Servers view -> double click tomcat -> drop down the Timeouts section
I got the solution for your requirement.
I'm also getting the same error in my eclipse Luna.
Go to Window -> Preferences.
Then General -> Network Connections.
Then select the Active Provider as Manual.
Then restart the tomcat and run. It will work.
Hope it will help you.
Open servers view, open Timeouts and set up Start
Open the Servers view -> double click tomcat -> drop down the Timeouts section
you can increase the startup time for each particular server. like 45 to 450
I know it's a bit late, but I've tried everything above and nothing worked. The real problem was that I'm using hibernate, so it was trying to connect to mysql but was not able, thats why it showed time out.
Just to let u guys know, I'm using RDS(Amazon), so just to make a test I changed to my local mysql and it worked perfectly.
Hope that this answer helps somebody.
Thanks.
In my case I was using spring+hibernate and forgot to run my MYSQL server due to which hibernate was not getting loaded and thus was throwing error
Disabling my antivirus does the trick for me ...
I also had the issue of the Eclipse Tomcat Server timing out and tried every suggestion including:
increasing timeout seconds
deleting various .metadata files in workspace directory
deleting the server instance in Eclipse along with the Run Config
Nothing worked until I read a comment on a related issue and realized that I had added a breakpoint in an interceptor class after a big code change and had forgotten to toggle it off. I removed it and all other breakpoints and Tomcat started right up as it usually did.
Just go with below points.
Open Eclipse Windows -> show View -> server -> double click tomcat/press Fn + F3 -> Timeouts -> increase start time
Save setting and Restart eclipse also delete .metadata folder from work space if you don't need
Check Now... All The Best
Folks, I had this same problem and tried raising the timeout, deleting the server and creating again and did not work. I was running Eclipse Kepler in Linux. The solution proposed by #Phoenix is what worked for me:
Window -> Preferences -> General -> Network Connections
Set Active Providers in manual and then configure or not the proxy. I had this option in "Native".
Then I realized I had the variable http_proxy set. It was set in the ~/.bashrc file. This environment variable is the culprit of many problems.
Once I set http_proxy to empty
export http_proxy=
to check it:
echo $http_proxy
I was able to leave option "Active Provider" in "Native" and solve the timeout problem. This is useful because Eclipse adopts the native configuration, in case you change it often.
In my case, where I had configured http_proxy in ~./bashrc, I had to close Eclipse and even log out and log in again.
Below worked for me.
Removed all Breakpoints. Then did a clean on server as below.
Right click on server-->Click clean.
I had tried increasing the Server Start up time for tomcat server, removed server and created new server, removed server and changed run-time environment configurations. Those thing didn't work for me. At last, i found deployment descriptor(url pattern of servlet-mapping) is the one that making the trouble.
Just remove or delete the server from eclipse and reconfigure it or add it again to Eclipse.
I had the same problem I deleted the server from the server tab, and also the server folder under your eclipse workspace, restarted eclipse, set up a new server, and it appears to be running OK now.
Just for knowledge..
Also had the same issue and solved it stopping and starting again the mysql service... I think that was some conflict between mysql-service and tomcat.
Good Luck
If some one had the same issue like me about the timeout of the server where you can found it. This response can help you.
Click on window > Show View > Server.
When you are on the server, you will see the server that you have configured before.
After that, right click on your server configuration, go to Properties > General and click on Switch Location.
After you clicking on "Switch Location", the server configuration will be appear on the Package Explorer of eclipse.
Then Double click on the server file in the package explorer you will see where the timeout located.
Thank you.
None of the above worked for me but this -
1. Remove any project if configured already while installing Tomcat.
2. Right click on configured server -> clean and -> Clean tomcat working directory
Did couple of times and the issue resolved.
Thanks.
In my case tomcat was configured to start not on localhost(guess it came from servers.xml connector entry) so Eclipse fails to find it running after start. Changed Host name on Servers tab to my 192.168.xxx.yyy ip.
Had the same error message, though tomcat did start sucessfully, but then Eclipse shuts it down.
try clean Tomcat working directory,it works for me
Well, I tried all the solutions:
increasing timeout seconds;
deleting the server instance in Eclipse along with the Run Config.
None of them worked.
And:
there was no breakpoint in my code;
I don't use any antivirus.
I realized that some people - who had the same problem - were using Eclipse Helios (so was I).
I switched to Eclipse Kepler and it worked perfectly.
Maybe it can be a solution. I wanted to use Helios, but Kepler is okay.
I was too facing similar issue and here I found another solution for it.
I have just started Eclipse Luna and not developed/deployed any project yet. I tried adding Tomcat v7.0 Server and got same error.
In order to resolve the issue I went to Server Perspective (it's actually server tab next to the console tab located below Project code). Double click on Server which is added to Eclipse. It will open up Overview page. Look for Server Location and select Use workspace metadata(does not modify Tomcat location). Now restart the Server and error will go away.
Server > (double click) Tomcat v7.0 Server at localhost > (Overview page) Server Location > Select -- Use workspace metadata(does not modify Tomcat location).
URL pattern of <servlet-mapping>:
Check project explorer → Deployment descriptor → Servlet Mapping → check that all mapping present in controller package. ref. image as below:
if there is any mapping not available, Then remove that <servlet> and <servlet-mapping> tag in web.xml.
Is your browser making calls to the server while it is starting? if yes, you probably should close it
e.g. if your browser is currently set to http://localhost, close it before attempting to start the server.
If you are trying to debug the application on server, just check out the breakpoints. You might had include the whole class as breakpoint. So remove that breakpoint.
This thing worked in my case when i was trying to debug.
Nothing of the above helped me but setting:
-Djava.net.preferIPv4Stack=true
as VM Argument in the VM Arguments tab of the Tomcat Server Debug Configuration Settings
solved the problem.
(Tomcat 8, Windows 10, Eclipse Mars)
Tomcat Server not starting with in 45 seconds
right click on the configured server go to properties->select monitoring -> Add ->HTTP protocol 8080
after run server it will deploy.
I stoped the tomcat on the computer and started the service (tomcat) using the eclipse IDE.
Turns out that MySQL wasn't running in my case. I've started MySQL service, and it worked.
Timeouts:
Start: 200
Stop: 45
..and then Window → Preferences → General → Network Connection.
Set "Active Provider" = Manual (to mark all the checkboxes).
If you are running into this on Mac and you installed Tomcat using brew, one good way to get round that is to install Tomcat using a zip file instead.
Go here, download a zip file, unzip it, and in Eclipse, create a new server and specify "Tomcat installation directory" as the unzipped file.
I have been tasked with adding some new features in a project I worked on a while back. It's been given some new features since I last worked on it, and the development environment has changed. I'm having a lot of troubles bringing my environment up to date with all the dependencies and external folders.
After solving a host of problems, when running the Tomcat 7 Server in Eclipse I was coming across a message:
Error: Could not find or load main class Path\To\Workspace\.metadata\plugins\cont
I tried deleted the Tomcat Server and then recreating it with the same settings, as well as deleting my .metadata folder from the workspace. Now I can't even get Tomcat to configure right:
Error: Could not find or load main class Files\ApacheSoftwareFoundation\apache-tomcat-7.0.26.
Why isn't this working? It worked before I added a couple of needed subdirectories but I'm stumped now.
Just was searching for the same problem in Eclipse("Could not find or load main class").
It turned out in my case that there was an extra space in launch configuration arguments tab. (In Java EE perspective go to Servers, click on Tomcat server, in Overview window select 'Open launch configuration' and then go to Arguments tab). Arguments are listed as
-Dx.y.z=1 -Da.b.c=2 ...
and so on, but as the dialog itself is small and arguments go across multiple lines it's not always clear where there is a space and where there is a new line. In my case it was
-Dx.y.z =1 -Da.b.c=2 ...
(there is a space before =1) which confused Tomcat and I got "Could not find or load main class" error.
It's not necessarily your case but somebody else can come across this and find it to be the answer.
In the .metadata folder eclipse saves it's internal configuration, so you should not affect it manually. The errors give you the clue to get that resource it's looking is not accessible what ever it exists or not. Try to find it manually to check if it exists, then try to make it accessible, fix the path, change permissions, etc. May be you have classpath issue, who knows.
In Eclipse I added a Tomcat Server and it was working fine. I stopped the server to alter the settings. Specifically, I checked the 'Enable security' box. When I tried to start, I got this error. So I unchecked the box and tried to restart the server - same error. This thread led me to check the launch configuration VM arguments. Sure enough, Eclipse had not handled the checkbox (and unchecking it) correctly. The VM arguments had two places where it repeated strings without quotes. Check there to see if it has been malformed.
I'm currently developing a web project running on Tomcat 7 and I cannot see anything who's suppose to be on Tomcat (blank page when I do a HTTP request in my browser).
My Modus Operandi:
I launch a new instance of server in locahost (apache-tomcat-7.0.34) within Eclipse (I work with Indigo and tried with Juno as well)
Tomcat's ROOT folder has been pasted in the 'wtpwebapps' folder of all my servers in my Workspace
I add a simple web project on this server instance and try to access it from a HTTP request and I get a blank page. If I try to run a .html file of this web project on this server, I get a 'HTTP 404 Not Found' Error.
What I tried:
I tried to build the whole configuration from scratch (new Eclipse, new Apache-Tomcat) and I still get the same result. But when I do that from my personal computer at home, everything's working fine!!
I tried to put an old version of my code or a tutorial project, but nothing can be launched (therefore, it must be a configuration issue).
I checked the server.xml and web.xml files and nothing looks suspicious (I can paste them if you want but those are the same than those who worked at home)
The only thing I can think of is that I changed the internet connection (and the IP address) of the computer I'm working on, but I don't think it could make any difference when trying to reach localhost, right?
When I follow the steps of the very good tutorial, I do get a blank page on the 'Run Tomcat' topic, but I don't get the Tomcat welcome page once I copied the ROOT folder into "wtpwebapps".
Does someone have any idea where it could come from?
Ok guys, finally got the solution.
I was about to format my computer when i realize that the port 8009 was actually used by another process.
I thought that's the kind of things who are checked when you launch a Tomcat server within Eclipse but it didn't show any error.
The HTTP request went through the port 80, but as the default AJP port is already in use, Apache could not forward this request to Tomcat, therefore a blank page was returned.
At least that's my understanding of this situation...
Hopefully this may help someone who'd run into a similar situation.
Thanks for your help.
I've been using both eclipse and tomcat for years but have always deployed my web apps externally and never had a problem. Now I'd like to use eclipse to debug my web app and I can't figure out how to make it work. I started by trying to get my existing web app to deploy through eclipse but after hours of trying different things I decided to start fresh. Unfortunately, I didn't get much further. I'm hoping if I can figure out how things work with a fresh webapp I can get things to work on my existing. Sorry, this will be long, but here are the steps I tried on the latest eclipse (Juno):
Installed new version of tomcat 7.0.34 at /usr/java.
In eclipse, used "servers" view to add server, pointing to the new install (I didn't add any resources because there weren't any available yet). Starting the server worked and got a 404 as expected at http://localhost:8080/ ... then I stopped it.
Created a new "dynamic web project", named it TomcatDebug, set the location to ~/tomcat-debug, chose the server just created above (the only one), chose default config, tomcat-debug is empty so chose defaults for build paths, defaults for module settings and had it generate web.xml.
In the "tomcat-debug" folder it creates WebContent, build, and src. I throw a sample "hello, world" index.html into WebContent.
Now the project TomcatDebug is created so I try to run it, tell it to "run on server", and it goes to http://localhost:8080/TomcatDebug/ but gives a 404. I even try to add index.html but it still gives a 404.
This is about as basic as it can possibly get so what did I do wrong?
Continuing to try and figure this out I stop the server, change the server setting to "use tomcat installation", but still get a 404 in the same way when I restart. I tried changing my module context path and still 404.
I'm completely stumped. I believe I followed all the wizards as basically as possible. Where did I go wrong?
Thanks for taking a look.
I haven't run tomcat through eclipse in a while, so can't answer that aspect of the question. But, to get at the heart of what you're trying to do (debug a webapp in eclipse through tomcat), you shouldn't necessarily need to. This may serve you instead:
EDIT: Eh, look here for instructions ("Debugging" section). The below is how I did it (JUNO and TC 7) and has an annoying quirk in point #1.
edit the startup.sh (assuming *NIX/OS X) - the last line will probably be
exec "$PRGDIR"/"$EXECUTABLE" start "$#"
change this to
exec "$PRGDIR"/"$EXECUTABLE" jpda start "$#"
to activate debugging. (there are other ways to do this that may be better - i think tomcat/the VM may pause for listeners before proceeding, so when you aren't debugging this is not ideal)
Create a Debug Configuration in eclipse, under the "Remote Java Application" set. Default port should be fine, and presumably host. Choose your project.
Add sources of relevance to your debugging in the Source tab.
Start server and run your new debug configuration. App should stop at breakpoints you've set.
Right Click your index.html Run As -> Run On Server you will see Tomcat will automatically run the page.