343 lines
14 KiB
Plaintext
343 lines
14 KiB
Plaintext
Release notes for Gerrit 2.0.21
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===============================
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Gerrit 2.0.21 is now available in the usual location:
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link:http://code.google.com/p/gerrit/downloads/list[http://code.google.com/p/gerrit/downloads/list]
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Schema Change
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-------------
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*WARNING: This version contains a schema change* (since 2.0.19)
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* The schema change may be difficult to undo once applied.
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+
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Downgrading could be very difficult once the upgrade has been
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started. Going back to 2.0.20 may not be possible.
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* Do not run the schema change while the server is running.
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+
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This upgrade changes the primary key of a table, an operation
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which shouldn't occur while end-users are able to make
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modifications to the database. I _strongly_ suggest a full
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shutdown, schema upgrade, then startup approach for this release.
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* There may be some duplicate keys
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+
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This upgrade removes a column from the primary key of a table,
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which may result in duplicates being found. You can search
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for these duplicates before updating:
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{{{
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SELECT account_id,external_id FROM account_external_ids e
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WHERE e.external_id IN (SELECT external_id
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FROM account_external_ids
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GROUP BY external_id
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HAVING COUNT(*) > 1);
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}}}
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Resolving duplicates is left up to the administrator, in
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general though you will probably want to remove one of the
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duplicate records. E.g. in one case I had 3 users with the
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same mailing list email address registered. I just deleted
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those and sent private email asking the users to use their
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personal/work address instead of a mailing list.
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Apply the database specific schema script:
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----
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java -jar gerrit.war --cat sql/upgrade017_018_postgres.sql | psql reviewdb
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java -jar gerrit.war --cat sql/upgrade017_018_mysql.sql | mysql reviewdb
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----
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Important Notices
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-----------------
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* Prior User Sessions
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The cookie used to identify a signed-in user has been changed.
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Again. All users will be automatically signed-out during
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this upgrade, and will need to sign-in again after the upgrade
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is complete. The new schema has more room for extensions, so
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this might be the last time we will need to invalidate sessions.
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* Harmless error on first startup
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Starting 2.0.21 on an instance which previously had the diff
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cache stored on disk will result in the following non-fatal error
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in the server logs during the first launch of .21 on that system:
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----
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2009-09-02 18:50:07,446::INFO : com.google.gerrit.server.cache.CachePool - Enabling disk cache /home/gerrit2/android_codereview/disk_cache
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Sep 2, 2009 6:50:07 PM net.sf.ehcache.store.DiskStore readIndex
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SEVERE: Class loading problem reading index. Creating new index. Initial cause was com.google.gerrit.server.patch.DiffCacheKey
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java.lang.ClassNotFoundException: com.google.gerrit.server.patch.DiffCacheKey
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at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
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at java.security.AccessController.doPrivileged(Native Method)
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at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
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...
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----
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This error can be safely ignored. It is caused by a change
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in the diff cache's on disk schema, invalidating all existing
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cache entries.
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* Significantly larger "diff" cache
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The diff cache schema change noted above changed the element
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stored in the cache from per-file to per-patchset. That is,
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a patch set which modifies 500 files will now occupy only 1
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element in the diff cache, rather than 500 distinct elements.
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Accordingly, the default `cache.diff.memoryLimit` setting has
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been reduced to 128.
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* Removed configuration settings
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The following configuration settings are no longer honored:
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`cache.maxAge`, `cache.memoryLimit`, `cache.diskLimit`, and
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`cache.diskBuffer`. These settings may now only be set on a
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per-cache basis (e.g. `cache.diff.maxAge`).
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* Connection pool recommendation: Apache Commons DBCP
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All of the servers I run now use Apache Commons DBCP instead
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of c3p0 for their connection pools, and the setup guide and
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sample jetty_gerrit.xml reference DBCP now.
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We've run into problems with c3p0 under high loads, or when
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the connection pool is completely exhausted. DBCP seems to
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fail more gracefully, and seems to give us less trouble.
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Changing pool implementations is not required, c3p0 is still
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a supported provider. I just want to make it clear that I no
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longer recommend it in production.
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New Features
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------------
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* GERRIT-189 Show approval status in account dashboards
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Account dashboards now show a summary of the approval status on
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each change. Unreviewed changes are now highlighted to bring
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the reviewer's attention to them. Tooltips when hovering over
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a cell will bring up slightly more detailed information.
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* GERRIT-276 Allow users to see what groups they are members of
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Under Settings > Groups a user can now view what groups Gerrit
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has placed them into. This may help administrators to debug
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a user's access problems, as they can ask the user to verify
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Gerrit is seeing what they expect.
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* GERRIT-276 Show simple properties of an LDAP group
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If auth.type is HTTP_LDAP, groups which are marked as automatic
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membership now show non-repeating LDAP attributes below their
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description under Admin > Groups. This display should help an
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administrator to verify that Gerrit has mapped an LDAP group
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correctly.
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* Move Patch entity out of database and store in cache
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The `patches` database table has been deleted, Gerrit now makes
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the list of affected files on the fly and stores it within the
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diff cache. This change is part of a long-running series to
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remove redundant information from the database before we switch
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to a pure Git backed data storage system.
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* Only copy blocking negative votes to replacement patch
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Previously Gerrit copied any negative vote in any approval
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category whenever a replacement patch set was uploaded to
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a change. Now Gerrit only copies "Code Review -2".
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This change should make it easier for reviewers (and scripts
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scanning `patch_set_approvals`) to identify updated changes
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which might require a new review.
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Adminstrators who have created their own categories and want to
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copy the blocking negative vote should set `copy_min_score = 'Y'`
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in the corresponding approval_categories records.
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* show-caches: Make output more concise
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Instead of showing ~12 lines of output per cache, each cache is
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displayed as one line of a table.
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* Handle multiple accountBase and groupBase
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ldap.accountBase and ldap.groupBase may now be specified multiple
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times in gerrit.config, to search more than one subtree within
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the directory.
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* Summarize collapsed comments
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Collapsed comments (both inline on a file and on the change
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itself) now show a short summary of the comment message, making
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it faster to locate the relevant comment to expand for more
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detailed reading.
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* Edit inline drafts on Publish Comments screen
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Inline comment drafts may now be directly edited on the Publish
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Comments screen, which can be useful for fixing up a minor typo
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prior to publication.
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* Less toggly thingies on change screen
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The change description and the approvals are no longer nested
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inside of a foldy block. Most users never collapse these, but
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instead just scroll the page to locate the information they are
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looking for.
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* Restore Enter/o to toggle collapse state of comments
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Enter and 'o' now expand or collapse an inline comment on the
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the current row of a file.
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* Display abbreviated hexy Change-Id in screen titles
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* Use hexy Change-Id in emails sent from Gerrit
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Change-Id abbreviations are now used through more of the UI,
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including emails sent by Gerrit and window/page titles. This
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change breaks email threading for any existing review emails.
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That is comments on a change created before the upgrade will
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not appear under the original change notification thread.
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* Add sendemail.from to control setting From header
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Gerrit no longer forges the From header in notification emails.
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To enable the prior forging behavior, set `sendemail.from`
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to `USER` in gerrit.config. For more details see
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link:http://gerrit.googlecode.com/svn/documentation/2.0/config-gerrit.html#sendemail.from[sendemail.from]
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Bug Fixes
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---------
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* Fix ReviewDb to actually be per-request scoped
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When we switched to Guice a misconfiguration allowed Guice to
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give out multiple database connections per web or SSH request.
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This could exhaust the connection pool faster than expected.
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* Send no-cache headers during HTTP login
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An oversight in the HTTP login code path may have allowed a proxy
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server between the user's browser and the Gerrit server to cache
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a user's session cookie. Fixed by sending the correct no-cache
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headers, disallowing any caching of the authentication response.
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* Fix project owner permissions
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Folks reported on repo-discuss that a project owner also had to
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have READ permission to use the Branches tab of their project.
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This was a regression introduced when we refactored some of the
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code when adding Guice to the project. Fixed.
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* GERRIT-277 Fix hyperlinks in messages
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Hyperlinks in commit messages such as "<http://foo>" were
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including the trailing > in the URL, making the link broken.
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The trailing > is now properly not included in the URL.
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* GERRIT-266 Fix web session cookie refresh time
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In 2.0.19 we introduced web sessions stored in Ehcache, but the
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logic was causing sessions to expire roughly half-way through the
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`cache.web_sessions.maxAge` time. At the default setting, active
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sessions were expiring after 6 hours. The cache management has
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been refactored to make this a lot less likely.
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* Cleanup not signed in error to be more user friendly
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The error message which comes up when your session is expired
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is now much more useful. From the dialog you can restart your
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session by clicking the "Sign-In" button, and return to the
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screen you are currently on.
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* Fix commit-msg hook to work with commit -v option
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The commit-msg hook was buggy and did not handle `git commit -v`
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correctly. It also did some bad insertions, placing the magic
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`Change-Id: I...` line at the wrong position in the commit
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message. The updated hook resolves most of these problems,
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but must be recopied to individual Git repositories by end-users.
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* Identify PGP configuration errors during startup
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If the encrypted contact store is enabled, the required encryption
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algorithms are checked at startup to ensure they are enabled
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in the underlying JVM. This is necessary in case the JVM is
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updated and the administrator forgot to install the unlimited
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strength policy file in the new runtime directory. Recently
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review.source.android.com was bitten by just such an upgrade.
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* GERRIT-278 Fix missing reply comments on old patch set
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Some comments were not visible because they were replies made
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to a comment on say patch set 1 while looking at the difference
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between patch set 1 and patch set 2 of a change. Fixed.
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* Make external_id primary key of account_external_ids
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The database schema incorrectly allowed two user accounts to have
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the same email address, or to have the same OpenID auth token.
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Fixed by asserting a unique constraint on the column.
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Other Changes
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-------------
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* Start 2.0.21 development
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* Support cleaning up a Commons DBCP connection pool
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* Clarify which Factory we are importing in ApproveComma...
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* Avoid loading Patch object in /cat/ servlet
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* Remove unnecessary reference of patch key in save draft
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* GERRIT-266 Tweak cache defaults to be more reasonable
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* Merge change I131e6c4c
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* Bring back the "No Differences" message when files are...
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* Pick up gwtorm 1.1.2-SNAPSHOT
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* Refactor GroupListScreen's inner table for reuse
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* Do not normalize approval scores on closed changes in ...
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* Don't obtain 0 approvals or submit approvals in dashbo...
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* Update JGit to 0.5.0-93-g5b89a2c
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* Add tests for Change-Id generating commit-msg hook
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* Add test for commit-msg with commit -v
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* Fix formatting error in ApprovalCategory
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* Fix typo in change table column header "Last Update"
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* Fix reference to the All Projects broken when we remov...
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* Use category abbreviations in the dashboard approval c...
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* Format approvals columns in change tables with minimal...
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* Shrink the Last Updated column in dashboards and chang...
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* Highlight changes which need to be reviewed by this us...
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* Fix typo in ChangeTable comment
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* Reduce the window used for "Mon dd" vs. "Mon dd yyyy" ...
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* Don't assume "Anonymous Users" and "Registered Users" ...
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* Log encrypted contact store failures
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* Identify PGP configuration errors during startup
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* Take the change description block out of the disclosure...
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* Move the approval table out of a disclosure panel
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* Explicitly show what value is needed to submit
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* Modernize the display of comments on a change
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* Modernize the display of inline comments on a file
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* Fix "Publish Comments" when there are no inline drafts
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* Merge change 11666
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* Fix display of "Gerrit Code Review" authored comments
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* Fix source code formatting error in FormatUtil
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* Remove unnecessary fake author on inline comments
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* Auto expand all drafts on publish comments screen
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* Remove unused local variable in PublishCommentsScreen
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* Remove unused import from PublishCommentsScreen
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* Use gwtorm, gwtexpui release versions
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* Add javadoc for Change.getKey
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* Updated documentation for eclipse development.
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* Merge change 11698
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* Merge change 11699
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* Merge change 11700
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* Merge change 11703
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* Merge change 11705
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* Moved creation of GerritPersonIdent to a separate provi...
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* Remove unused dependency on GerritServer.
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* Renamed GerritServert to GitRepositoryManager and moved...
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* Remove declaration of OrmException that is never thrown.
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* Increase margin space between buttons of comment editors
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* Simplify GerritCallback error handling
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* Correct comment documenting SignInDialog
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* Remove unused CSS class gerrit-ErrorDialog-ErrorMessage
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* Clarify become any account servlet errors
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* Fix anchor in sshd.reuseAddress documentation
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* Extract parametrized string formatting out of LdapQuery
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* Make cache APIs interfaces for mocking
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* Add easymock 2.5.1 to our test dependencies
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* Add sendemail.from to control setting From header
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* gerrit 2.0.21 |