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Release Notes
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ejabberd 2.1.0
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ejabberd 2.1.0 is a major new version for ejabberd adding many
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new features, performance and scalability improvements.
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ejabberd 2.1.0 includes many new features, improvements and bug fixes.
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A complete list of changes can be retrieved from:
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http://redir.process-one.net/ejabberd-2.1.0
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The new code can be downloaded from ejabberd download page:
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http://www.process-one.net/en/ejabberd/
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New features and improvements:
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* Anti-abuse
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- Captcha support (XEP-0158). The example script uses ImageMagick.
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- New option: registration_timeout to limit registrations by time
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- Use send timeout to avoid locking on gen_tcp:send
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- mod_ip_blacklist: client blacklist support by IP
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* API
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- ejabberd_http provides Host, Port, Headers and Protocol in HTTP requests
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- Export function to create MUC room
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- New events: s2s_send_packet and s2s_receive_packet
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- New event: webadmin_user_parse_query when POST in web admin user page
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- Support distributed hooks over the cluster
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* Authentification
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- Extauth responses: log strange responses and add timeout
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* Binary Installer
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- Includes exmpp library to support import/export XML files
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* Caps
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- Remove useless caps tables entries
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- mod_caps must handle correctly external contacts with several resources
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- Complain if mod_caps disabled and mod_pubsub has PEP plugin enabled
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* Clustering and Architecture
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* Configuration
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- Added option access_max_user_messages for mod_offline
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- Added option backlog for ejabberd_listener to increase TCP backlog
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- Added option define_macro and use_macro
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- Added option include_config_file to include additional configuration files
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- Added option max_fsm_queue
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- Added option outgoing_s2s_options to define IP address families and timeout
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- Added option registration_timeout to ejabberd.cfg.example
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- Added option s2s_dns_options to define DNS timeout and retries
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- Added option ERL_OPTIONS to ejabberdctl.cfg
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- Added option FIREWALL_WINDOW to ejabberdctl.cfg
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- Added option EJABBERD_PID_PATH to ejabberdctl.cfg
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- Deleted option user_max_messages of mod_offline
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- Check certfiles are readable on server start and listener start
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- Config file management mix file reading and sanity check
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- Include example PAM configuration file: ejabberd.pam
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- New ejabberd listener: ejabberd_stun
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- Support to bind the same port to multiple interfaces
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- New syntax to specify the IP address and IPv6 in listeners
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configuration. The old options {ip,{1,2,3,4}} and inet6 are
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supported even if they aren't documented.
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- New syntax to specify the network protocol: tcp or udp
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- Report error at startup if a listener module isn't available
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- Only listen in a port when actually ready to serve requests
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- In default config, only local accounts can create rooms and PubSub nodes
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* Core architecture
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- More verbose error reporting for xml:element_to_string
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- Deliver messages when first presence is Invisible
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- Better log message when config file is not found
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- Include original timestamp on delayed presences
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* Crypto
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- Do not ask certificate for client (c2s)
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- SSL code remove from ejabberd in favor of TLS
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- Support Zlib compression after STARTTLS encryption
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- tls v1 client hello
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* Documentation
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- Document possible default MUC room options
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- Document service_check_from in the Guide
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- Document s2s_default_policy and s2s_host in the Guide
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- new command and guide instructions to change node name in a Mnesia database
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* ejabberd commands
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- ejabberd commands: separate command definition and calling interface
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- access_commands restricts who can execute what commands and arguments
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- ejabberdctl script now displays help and categorization of commands
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* HTTP Binding and HTTP Polling
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- HTTP-Bind: module optimization and clean-up
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- HTTP-Bind: allow configuration of max_inactivity timeout
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- HTTP-Poll: turn session timeout into a config file parameter
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* Jingle
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- STUN server that facilitates the client-to-client negotiation process
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* LDAP
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- Faster reconnection to LDAP servers
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- LDAP filter optimisation: Add ability to filter user in ejabberd and not LDAP
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- LDAP differentiates failed auth and unavailable auth service
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- Improve LDAP logging
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- LDAPS support using TLS.
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* Localization
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- Use Gettext PO for translators, export to ejabberd MSG
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- Support translation files for additional projects
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- Most translations are updated to latest code
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- New translation to Greek language
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* Multi-User Chat (MUC)
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- Allow admins to send messages to rooms
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- Allow to store room description
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- Captcha support in MUC: the admin of a room can configure it to
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require participants to fill a captcha to join the room.
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- Limit number of characters in Room ID, Name and Description
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- Prevent unvoiced occupants from changing nick
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- Support Result Set Management (XEP-0059) for listing rooms
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- Support for decline of invitation to MUC room
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- mod_muc_log options: plaintext format; filename with only room name
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* Performance
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- Run roster_get_jid_info only if privacy list has subscription or group item
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- Significant PubSub performance improvements
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* Publish-Subscribe
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- Add nodetree filtering/authorization
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- Add subscription option support for collection nodes
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- Allow Multiple Subscriptions
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- Check option of the nodetree instead of checking configuration
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- Implement whitelist authorize and roster access model
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- Implicit item deletion is not notified when deleting node
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- Make PubSub x-data configuration form handles list value
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- Make default node name convention XEP-compatible, document usage of hierarchy
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- Node names are used verbatim, without separating by slash, unless a
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node plugin uses its own separator
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- Send authorization update event (XEP-0060, 8.6)
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- Support of collection node subscription options
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- Support ODBC storage. Experimental, needs more testing.
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* Relational databases:
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- Added MSSQL 2000 and 2005
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- Privacy rules storage in MySQL
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- Implement reliable ODBC transaction nesting
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* Source Package
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- Default installation directories changed. Please see the upgrade notes below.
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- Allow more environment variable overrides in ejabberdctl
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- ChangeLog is not edited manually anymore; it's generated automatically.
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- Install the ejabberd Guide
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- Install the ejabberd include files
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- New option for the 'configure' script: --enable-user which installs
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ejabberd granting permission to manage it to a regular system user;
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no need to use root account to.
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- Only try to install epam if pam was enabled in configure script
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- Spool, config and log dirs: owner writes, group reads, others do nothing.
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- Provides an example ejabberd.init file
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* S2S
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- Option to define s2s outgoing behaviour: IPv4, IPv6 and timeout
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- DNS timeout and retries, configurable with s2s_dns_options.
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* Shared rosters
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- When a member is added/removed to group, send roster upgrade to group members
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* Users management
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- When account is deleted, cancel presence subscription for all roster items
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* XEP Support
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- Added XEP-0059 Result Set Management (for listing rooms)
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- Added XEP-0082 Date Time
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- Added XEP-0085 Chat State Notifications
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- Added XEP-0157 Contact Addresses for XMPP Services
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- Added XEP-0158 CAPTCHA Forms (in MUC rooms)
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- Added STUN server, for XEP-0176: Jingle ICE-UDP Transport Method
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- Added XEP-0199 XMPP Ping
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- Added XEP-0202 Entity Time
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- Added XEP-0203 Delayed Delivery
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- Added XEP-0227 Portable Import/Export Format for XMPP-IM Servers
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- Added XEP-0237 Roster Versioning
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* Web Admin
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- Display the connection method of user sessions
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- Cross link of ejabberd users in the list of users and rosters
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- Improved the browsing menu: don't disappear when browsing a host or node
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- Include Last-Modified HTTP header in responses to allow caching
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- Make some Input areas multiline: options of listening ports and modules
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- Support PUT and DELETE methods in ejabberd_http
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- WebAdmin serves Guide and links to related sections
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* Web plugins
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- mod_http_fileserver: new option directory_indices, and improve logging
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Important Notes:
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- ejabberd 2.1.0 requires Erlang R10B-9 or higher.
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R12B-5 is the recommended version. Support for R13B is experimental.
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Upgrading From ejabberd 1.x.x:
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- Check the Release Notes of the intermediate versions for additional
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information about database or configuration changes.
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Upgrading From ejabberd 2.0.x:
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- The database schemas have three changes since ejabberd 2.0.x.
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Check the database creation SQL files and update your database.
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1) New table roster_version to support roster versioning.
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2) Six new tables for optional pubsub ODBC storage.
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3) Some tables in the MySQL database have a new created_at column.
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- As usual, it is recommended to backup the Mnesia spool directory and
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your SQL database (if used) before upgrading ejabberd.
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- Between ejabberd 2.0.0 and 2.0.5, mod_pubsub used "default" as the
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default node plugin. But in 2.1.0 this is renamed to "hometree".
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You have to edit your ejabberd config file and replace those names.
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If you used ejabberd 2.0.5 or older, the database will be updated
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automatically. But if you were using ejabberd from SVN, you must
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manually run ejabberdctl with the command: rename_default_nodeplugin.
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Running this command on already updated database does nothing.
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- The listener options 'ip' and 'inet6' are not documented anymore
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but they are supported and you can continue using them.
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There is a new syntax to define IP address and IP version.
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As usual, check the ejabberd Guide for more information.
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- The log file sasl.log is now called erlang.log
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- ejabberdctl commands now have _ characters instead of -.
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For backwards compatibility, it is still supported -.
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- mod_offline has a new option: access_max_user_messages.
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The old option user_max_messages is no longer supported.
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- If you upgrade from ejabberd trunk SVN, you must execute this:
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$ ejabberdctl rename_default_nodeplugin
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- Default installation directories changed a bit:
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* The Mnesia spool files that were previously stored in
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/var/lib/ejabberd/db/NODENAME/*
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are now stored in
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/var/lib/ejabberd/*
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* The directories
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/var/lib/ejabberd/ebin
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/var/lib/ejabberd/priv
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and their content is now installed as
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/lib/ejabberd/ebin
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/lib/ejabberd/priv
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* There is a new directory with Erlang header files:
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/lib/ejabberd/include
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* There is a new directory for ejabberd documentation,
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which includes the Admin Guide and the release notes::
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/share/doc/ejabberd
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- How to upgrade from previous version to ejabberd 2.1.0:
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1. Stop the old instance of ejabberd.
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2. Run 'make install' of new ejabberd 2.1.0 to create the new directories.
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3. Copy the content of your old directory:
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/var/lib/ejabberd/db/NODENAME/
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to the new location:
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/var/lib/ejabberd/
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so you will have the files like this:
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/var/lib/ejabberd/acl.DCD ...
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4. You can backup the content of those directories and delete them:
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/var/lib/ejabberd/ebin
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/var/lib/ejabberd/priv
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/var/lib/ejabberd/db
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5. Now try to start your new ejabberd 2.1.0.
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Bug reports
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You can officially report bugs on ProcessOne support site:
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http://support.process-one.net/
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