HTTP Status 404 - The requested resource is not available

Question

I integrated Tomcat 7 in Eclipse  When I start it using Eclipse  it shows that Tomcat is up and running  but when I go to http   localhost 8080 in my browser  it gives me following error      HTTP Status 404 -        type Status report      message        description The requested resource     is not available         Apache Tomcat 7 0 23   I tried changing the port in server xml just in case if 8080 is used by another service  but it didn t work either  How can I solve it

User · Answer

Following steps helped me solve the issue    In the eclipse right click on server and click on properties  If Location is set workspace metadata click on switch location and so that it refers to  servers tomcatv7server at localhost server Save and close Next double click on server Under server locations mostly it would be selected as use workspace metadata Instead  select use tomcat installation Save changes Restart server and verify localhost 8080 works

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If options under Server Locations are grayed out  note the message in the section title   Server must be published with no modules present   To publish the server  right click the name of the server in the Server window and select  Publish

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I had the same problem with my localhost project using Eclipse Luna  Maven and Tomcat - the Tomcat homepage would appear fine  however my project would get the 404 error   After trying many suggested solutions  updating spring  jar file  changing properties of the Tomcat server  add remove project  change JRE from 1 6 to 7 etc  which did not fix the issue  what worked for me was to just Refresh my project  It seems Eclipse does not automatically refresh the project after a  Maven  build  In Eclipse 3 3 1 there was a  Refresh Automatically  option under Preferences   General   Workspace however that option doesn t look to be in Luna    Maven clean-install on the project     Right-click the project and select  Refresh      Right-click the Eclipse Tomcat server and select  Clean   Right-click   Publish and then start the Tomcat server

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Sometimes cleaning the server works  It worked for me many times This is only applicable if the program worked earlier but suddenly it stops working   Steps     Right click on Tomcat Server -  Clean  Then restart the server

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If you are new in JSP Tomcat don t modify tomcat s xml files    I assume you have already deployed web application  But to be sure  try these steps   - right click on your web application - select Run As   Run on Server  choose your Tomcat 7  These steps will deploy and run in the browser your application  Another idea to check if your Tomcat works correctly is to find path where tomcat exists  in eclipse plugin   and copy some working WAR file to webapps  not to wtpwebapps   and then try to run the app

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Copy the ROOT  Default  Web App into Eclipse   Eclipse forgets to copy the default apps  ROOT  examples  etc   when it creates a Tomcat folder inside the Eclipse workspace    Go to C  apache-tomcat-7 0 27 webapps  R-click on the ROOT folder and copy it  Then go to your Eclipse workspace  go to the  metadata folder  and search for  wtpwebapps   You should find something like your-eclipse-workspace metadata plugins org eclipse wst server core tmp0 wtpwebapps  or     tmp1 wtpwebapps if you already had another server registered in Eclipse   Go to the wtpwebapps folder  right-click  and paste ROOT  say  yes  if asked if you want to merge replace folders files   Then reload localhost 8080 to see the Tomcat welcome page

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In my case  I ve had to click on my project  then go to File  gt  Properties  gt   servlet name  and click Restart servlet

User · Answer

For me  my Eclipse installation was hosed - I think because I d installed struts  After trying a dozen remedies for this error  I re-installed Eclipse  made a new workspace and it was OK  Using Kepler-64-Windows  Tomcat 7  Windows 7

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This worked for me    Project   Build Automatically  Make sure it s turned on  Project   Clean     Right click Tomcat   Properties   General Tab   Switch Location  switch from workspace metadata to Server at localhost server  Restart Eclipse Run Project As Server

User · Answer

Please check in your server specification again  if you have changed your port number to something else  And change the port number in your link whatever new port number it is   Also check whether your server is running properly before you try accessing your localhost

User · Answer

I did what BalusC said but it was not enough for me  I had to clean the Tomcat workdirectory     Click right on right on Tomcat in the Servers Tab -  Clean Tomcat Work Directory

User · Answer

What are you expecting  The default Tomcat homepage  If so  you ll need to configure Eclipse to take control over from Tomcat   Doubleclick the Tomcat server entry in the Servers tab  you ll get the server configuration  At the left column  under Server Locations  select Use Tomcat installation  note  when it is grayed out  read the section leading text        This way Eclipse will take full control over Tomcat  this way you ll also be able to access the default Tomcat homepage with the Tomcat Manager when running from inside Eclipse  I only don t see how that s useful while developing using Eclipse     The port number is not the problem  You would otherwise have gotten an exception in Tomcat s startup log and the browser would show a browser-specific  Connection timed out  error page  and thus not a Tomcat-specific error page which would impossibly be served when Tomcat was not up and running

[eclipse] HTTP Status 404 - The requested resource (/) is not available

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