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!error [message #1778525] Fri, 15 December 2017 17:15 Go to next message
Tejaswini MN is currently offline Tejaswini MNFriend
Messages: 1
Registered: December 2017
Junior Member
Why I am getting this error please find attached screenshot
Re: !error [message #1778538 is a reply to message #1778525] Sat, 16 December 2017 06:09 Go to previous messageGo to next message
Ed Merks is currently offline Ed MerksFriend
Messages: 31246
Registered: July 2009
Senior Member
It looks like the classpath of the project is invalid, but you've not shown the Problems view that would show which error messages you have. Make sure that in Windows -> Preferences -> Java -> Installed JREs you have at least one valid JRE available and in the context menu of the project, you can look a the Properties -> Java Build Path to make sure there are no errors.
Re: !error [message #1778539 is a reply to message #1778538] Sat, 16 December 2017 06:25 Go to previous messageGo to next message
Nitin Dahyabhai is currently offline Nitin DahyabhaiFriend
Messages: 3756
Registered: July 2009
Senior Member

And if you're developing in Java, it makes sense to use a full JDK rather than a JRE.

Nitin Dahyabhai
Eclipse Web Tools Platform
Re: !error [message #1778554 is a reply to message #1778539] Sun, 17 December 2017 10:50 Go to previous message
Radhika Mandan is currently offline Radhika MandanFriend
Messages: 1
Registered: December 2017
Junior Member
After start tomcat in eclipse in authentication it give following errors please give suggestion

401 Unauthorized

You are not authorized to view this page. If you have not changed any configuration files, please examine the file conf/tomcat-users.xml in your installation. That file must contain the credentials to let you use this webapp.

For example, to add the manager-gui role to a user named tomcat with a password of s3cret, add the following to the config file listed above.
<role rolename="manager-gui"/>
<user username="tomcat" password="s3cret" roles="manager-gui"/>

Note that for Tomcat 7 onwards, the roles required to use the manager application were changed from the single manager role to the following four roles. You will need to assign the role(s) required for the functionality you wish to access.
manager-gui - allows access to the HTML GUI and the status pages
manager-script - allows access to the text interface and the status pages
manager-jmx - allows access to the JMX proxy and the status pages
manager-status - allows access to the status pages only

The HTML interface is protected against CSRF but the text and JMX interfaces are not. To maintain the CSRF protection:
Users with the manager-gui role should not be granted either the manager-script or manager-jmx roles.
If the text or jmx interfaces are accessed through a browser (e.g. for testing since these interfaces are intended for tools not humans) then the browser must be closed afterwards to terminate the session.

For more information - please see the Manager App HOW-TO.
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