FAQ » History » Version 61

Mischa The Evil, 2010-03-29 21:14
Reverting page-versions 57-59; This is not the place to ask questions.

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h1. Frequently Asked Questions
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{{TOC}}
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h2. Installing and Running Redmine
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h3. Does Redmine work with Rails 2.x.x?
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See compatibility in the [[RedmineInstall|Installation]] guide.
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h3. When I start the application, I get this error "in 'gem_original_require': no such file to load -- initializer (LoadError)"
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Make sure "Ruby on Rails":http://rubyonrails.org/ is properly installed on your machine.
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h3. When I start the application, I get this error message: "cannot connect to mysql: No such file or directory - /tmp/mysql.sock"
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You have to specify the socket location in @config/database.yml@.
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See http://dev.rubyonrails.org/ticket/200.
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h3. The application freeze after a long time of inactivity.
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There's a bug in ruby/mysql adapter < 2.7.3 that leads to lose the database connection. Please update your adapter.
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You can see thread at: http://rubyforge.org/forum/message.php?msg_id=25951.
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h3. Why does Redmine use http links when I want it to use https links in Apache? (SSL)
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This happens when Apache sending requests to a backend server, like mongrel or thin.  Apache isn't telling the backend server to use https so the links are generated incorrectly.  Add the following configuration to Apache:
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    RequestHeader set X_FORWARDED_PROTO 'https'
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h2. Issue tracking
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h3. I've created a new issue status but I can't use it, it doesn't show up in the status drop-down list.
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Once you've created a new issue status, you need to include it in the workflow.
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Say you have created a status named 'In progress' and you want the developers to be able to change bugs from 'New' to 'In progress'.
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Go to "Administration -> Issue tracking -> Workflow", select 'Bug' and 'Developer' then click edit.
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You now see all the transitions allowed for developers on bugs. Check the 'New' -> 'In progress' checkbox and save.
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See [[RedmineIssueTrackingSetup|Workflow setup]].
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h3. I've created a new tracker but I can't use it, it doesn't show up in the trackers drop-down list.
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Once you've created a new tracker, you need to "activate" it for a specific project.
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Say you have created a tracker named 'Task' and you want the new tracker to be used for your project;
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* go to "(Project-)Settings -> tab 'Information' -> fieldset 'Trackers'",
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* check the checkbox of the new tracker 'Task',
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* and then click save.
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You can now start using the new tracker 'Task' in the project for which you've just activated the new tracker.
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h3. How does "Related issues" work?
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Using Issue #100 as the one you set the relationship and Issue #101 as the "related to"
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* Related - Just adds a link to the other issue
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* Duplicates - Links issues so that closing one, will close the other (e.g. closing #100 will close #101)
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* Blocks - Indicates that an issue need to be completed before working on the next.
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* Precedes - Defines an "order", where issue #100 needs to be completed x days before #101 can be started on.
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h2. Time tracking
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h3. The time calculations in "Spent time Reports" are wrong.
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You can enter spent-time values in Redmine using "decimal time format":http://en.wikipedia.org/wiki/Decimal_time. See [[Time_tracking]].
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* _Example_: you have 4 tasks with the following spent time values: 1.00, 0.10, 0.15, & 0.40. Now in the Spent-Time reports (Project overview -> Spent time -> [Details | Report]) you see a total of 1.65 hours instead of 2.05 hours...???
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* _Explanation_: this "behaviour" is normal and intended since you enter those four spent-time values using decimal time format. This means that: 
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** 1.00 decimal equals 60 minutes (1 hour)
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** 0.10 decimal equals 6 minutes
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** 0.15 decimal equals 9 minutes
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** 0.40 decimal equals 24 minutes
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** 1.65 decimal equals 99 minutes
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** 2.05 hours (125 minutes) equals 2.0833333333333335 (est.) in decimal notation
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Offcourse there can possibly be a very tiny difference (as you can see) due to the rounding to two decimals done by Redmine.
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Some references:
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* http://en.wikipedia.org/wiki/Decimal_time
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* http://www.springfrog.com/converter/decimal-time.htm
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h2. Repositories
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h3. Commits don't show up in the activity until I click on 'Repository'
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By default, Redmine fetches the new commits from the repository only when you browse it.
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If you want the commits to be retrieved periodically by Redmine in the background for all your repositories, uncheck 'Autofetch commits' setting and add a cron that runs (with appropriate environment):
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  rake -f /path/to/redmine/Rakefile redmine:fetch_changesets
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For SVN repositories you can also add the following command to a post-commit hook:
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  ruby /path_to_redmine/redmine/script/runner "Repository.fetch_changesets" -e production
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*Note, the second method of post-commit hook will slow down commits and could possibly cause commits to fail if Redmine is not functioning. 
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h3. I can't browse my svn repository through redmine
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Check the following:
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* Make sure you're using a svn client and server >= 1.3. Redmine parse the -xml output from subversion, which is a svn 1.3 feature.
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* Make sure that the web app is able to run the svn binary. (hint: check your path and ensure the svn binary is on it)
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* When using a file:/// link, make sure the system user under which Redmine runs has access to the location specified by file:/// on your local file system. (Hint: By default, when using passenger, Redmine runs as the user which owns your config/environment.rb.)
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If you're accessing the repository over HTTPS:
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The initial import of a subversion repository over https requires that the ssl certificate fingerprint be manually validated and stored in a config-dir accessible by the user running the web server. It is recommended that a directory local to the redmine application root be provided, either as a default (./svn/.subversion) or as a provided parameter in the repository settings for subversion.
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The work around for the certificate acceptance issue is to manually checkout anything from the svn server specifying the local config-dir and accepting the certificate +permanently+.
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Example:
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<pre>
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$ svn --config-dir ./svn/.subversion co https://svn.mydomain.com/project/trunk delete-me
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Error validating server certificate for 'https://svn.mydomain.com:443':
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- The certificate is not issued by a trusted authority. Use the
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fingerprint to validate the certificate manually!
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- The certificate hostname does not match.
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- The certificate has expired.
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Certificate information:
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- Hostname: svn.mydomain.com
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- Valid: from Apr 8 12:00:00 2006 GMT until Sep 24 12:00:00 2010 GMT
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- Issuer: mydomain.com, vrsource.org, Geneva, UN
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- Fingerprint: 01:27:d9:6a:b8:db:63:f3:24:e3:41:c8:15:0a:f8:93:f6:7c:0f:11
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(R)eject, accept (t)emporarily or accept (p)ermanently? p
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</pre>
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or modify subversion_adapter.rb in <redmine root>/lib/redmine/scm/adapters/subversion_adapter.rb
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in credentials_string definition section chagne svn globaly options
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from
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<pre>
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--no-auth-cache --non-interactive
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</pre>
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to
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<pre>
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--trust-server-cert --no-auth-cache --non-interactive
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</pre>
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For additional information on the problem, check your log file for problems encountered during the svn operation. (e.g. /log/production.log )
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h3. Repository statistics doesn't show up
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* If you are using ruby 1.8.6:
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There's a bug in rexml 3.1.7 provided with ruby 1.8.6. You can fix it yourself:
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In @ruby/1.8/rexml/document.rb@ (line 186), change: @if transitive@ to @if trans@ then restart the app.
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See http://www.germane-software.com/projects/rexml/ticket/115 for details.
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* If you are using Internet Explorer:
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You'll need an SVG plugin like the one "Adobe provides":http://www.adobe.com/svg/viewer/install/beta.html to be able to display SVG-images properly within Internet Explorer.
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h2. Wikis
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h3. How do I create sub-pages (parent/child relationships) in the wiki
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Looking at http://www.redmine.org/wiki/redmine/Page_index/special it is possible to make use of some sort of sub-paging like:
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> * Guide
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> ** RedmineAccounts
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> ** RedmineCustomFields
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> ** RedmineInstall
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> ** RedmineIssueList
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> ** RedmineIssues
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This can be accomplished by assigning a parent page to a to-be child-page. This assignment can be done via the @rename@ dialog.
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Thus, create both the child- and parent-pages and then open the to-be child-page and click "rename", then enter the name of the parent page.
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h2. Performance
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h3. When I create a new issue, Redmine freezes for one minute.
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Make sure your SMTP server is properly configured or deactivate *email notifications* (remove @config/email.yml@) and restart Redmine.
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h2. Miscellaneous
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h3. Emails use the incorrect url
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The urls used in email is configured with the *Host Name* setting in Administration > Settings > General tab.  It defaults to localhost:3000 (Ruby on Rails default).
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h3. All times are off by 1 hour after the daylight savings switched
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Rails < 2.1 built-in time zone implementation doesn't handle DST. You have to install "TZInfo":http://tzinfo.rubyforge.org/.
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To do so, run the following from your Redmine directory:
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  ruby script/plugin install tzinfo_timezone
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Do not install this plugin if you're using Redmine 0.8.
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h3. What is the difference between Documents and Files?
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The "Documents" section is for publishing specifications, notices, or other documents that do not belong in a SCM.
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The "Files" section is for publishing versions of the tracked project, as a bundle (release).
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h3. I get a 404-error when I try to view or diff a PHP-file
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It's because Apache is seeing the extension @.php@ and tries to run the PHP-interpreter on the file. Since the requested URL isn't a real file, it returns a 404 error.
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The solution is to turn off mod_php for your Redmine virtual host. That will cause Apache to call Redmine to serve up the file.
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To do so, add the following lines to your virtual host configuration:
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<pre><code>RemoveHandler .php
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php_flag engine off    # Try without this line first
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</code></pre>
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h3. Email notifications are not working
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First, try to send a test email: go to _"Administration -> Settings -> Email notifications"_ and click _"Send a test email"_.
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It will send an email to the email address of your Redmine account:
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* If you get an error, check your configuration in @config/email.yml@.
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* If you don't receive any email, check your SMTP server log to see if the email was properly relayed.
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For other problems (eg. some people receive notifications but others don't), you can enable email debug output in your Redmine log file by commenting out this line in @config/environments/production.rb@:
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<pre>
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config.action_mailer.logger = nil
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</pre>
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After restarting the application, every email sent will be dumped to your log file (@log/production.log@).
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This way you can check the @To:@ field of emails to see if all the expected email addresses are present.