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Minimal required settings


Absolute path to TermWeb home folder

Command-line argument. Must be specified in Java options of running process (Tomcat) via key -Dtermweb.home=/opt/twhome. See TermWeb 4 install on Windows


In case of scheduled jobs, like sending mail digest server need to know which URL to use for current installation



Database driver. Right now supported only MySQL


DB user name, empty by default

Database user for connection


DB user password, empty by default

Database user’s password for connection



JDBC URL for DB connection, don’t delete any of additional connection parameters


termweb default.

Elasticsearch index name prefix used for indices created by TermWeb, see limitations on name: ES Create index API

termweb.elasticsearch.address default

IP address or host name of Elasticsearch server


9200 default

Elasticsearch server port for connection


localhost default


25 default


SMTP user name, empty by default


SMTP user password, empty by default

System settings


1800 (30 minutes) default

The session timeout in seconds. This value determines how long a user can be logged on to TermWeb before she is logged out due to inactivity. A negative value indicates that the sessions should never expire. A value of 0 (zero) uses the servlet engine's default value, or the value specified in web.xml for TermWeb, e.g.

Code Block

Note that the web.xml timeout value is specified in minutes.


false default

Disables the auto-login functionality of the guest account.
Administrators can still enable guest account for the client but they will not be able to select Automatic as login method.
If there already is a guest account with automatic login it will be changed to normal login.

true default

Applies normalisation of text values in filter criteria and term sorting in term list, in order to support double-byte search.


false default

titleNOT implemented in tw4
Removes the link (and corresponding text) for links that point to content which the user can not access. If false, a message will be displayed when the user clicks a non-accessible link.

API settings


false default

Specifies if TermWeb and XML-RPC sessions can work simultaneously for the same user.


false default

Set the language code to ISO2 (639-1) for the API
This affects the return type of all language codes in the API
When reading a language code from the API into the system both language types ISO2 (639-1) and ISO3 (639-2/T) are handled

false default

Indication whether automatically created users will be client admins or single users

Empty by default

The name of the default group where automatically created single users will belong.
This property does not apply in case created users are client admins.
If group not exists it will be created automatically.


false default

Option to update an existing concept instead of creating a new one when create concept method is called via the API.

Specifically, when calling createFromJSON in concept endpoint, a check is being made if at least one of the concept's terms already exist in the database, in the section the concept is supposed to be added.

If it exists, then the concept gets updated instead of creating a new one. Used to avoid concept/term duplicates when adding new terms via the API.

200 default

When using web services to get a decoration for a segment, there is a limit to how many terms are included in each term search.
First these terms are being acquired in the order that they appear in the term list and from these terms, the ones matching the segment part are being kept to be included in the decoration.

A quick test would be to write the first word of the term you wish to see in the decoration in TermWeb search and see in the term list if the term you wish to see appears in the first page of the list. If not you need to increase this limit to make it appear.


1 default

The limit of characters where a word should be considered as a stem during decoration.


0 default

The margin of characters allowed to be different at the end of a stem during stem comparison in decoration.
The default value is 0 and it means that the stems need to be 100% identical.

api.stem.german.filter.factory.class default

Default stemmer for German language. Default value is: ""
This stemmer treats next characters as same letter:
'ä','à','á','â' = 'a';
'ö','ò','ó','ô' = 'o';
'ï','ì','í','î' = 'i';
'ü','ù','ú','û' = 'u';
You can specify old stemmer from TermWeb 3:
which supported only next characters 'ä', 'ö', 'ü'
For more complex rules you can pick it uses algorithm based on the report "A Fast and Simple Stemming Algorithm for German Words" by Jörg Caumanns (it adds extra substitutions likes "ß" is substituted by "ss") or you may use Snowball German stemmer by specifying next value


true default

Handles hashtag terms as normal terms. Includes them in decoration for segments that contain or not, the hashtag.

false default

Handles some tags as spaces. (ph, t). This is an unstable feature. Not recommended for use

File operations settings


The maximum size for import file uploads in Kb. Limited by server value for file upload.


The maximum size for attachment uploads in Kb. Limited by server value for file upload.


false default

Escape caret symbol in import/export (it will remove circumflex char ^ from values).

Mailing settings


UTF-8 default

The character set to be used for all mail.
Leave empty to use mail server's system character set.

TermWeb default

email.from.address default

The address of the sender


Size in Kilobytes 2048 (2 Mb) default. 0 means no limit.

The maximum size for email attachments in Kb. Note that the SMTP server may be configured to use a lower max size, and emails may bounce if attachments
larger than the server's limit is sent.
Because of the email encoding, the actual size of the email is about 33% larger than the attachment. The maximum recommended value for email attachments should
therefore be 75% of the mail server's maximum message size.


empty by default

The address of technical support to which application errors should be mailed. If omitted no mails will be sent.


10 default

Number of tries to send mail


false default

titlesince 4.0.6-3
If true, enables the use of the STARTTLS command (if supported by the server) to switch the connection to a TLS-protected connection before issuing any login commands. If the server does not support STARTTLS, the connection continues without the use of TLS; see the email.starttls.required property to fail if STARTTLS isn't supported. Note that an appropriate trust store must configured so that the client will trust the server's certificate.


false default

titlesince 4.0.6-3
If true, requires the use of the STARTTLS command. If the server doesn't support the STARTTLS command, or the command fails, the connect method will fail.

Security settings


false default

Specifies if TermWeb is allowed to run in an iframe on another page. Required by XTM integration to be enabled.


'self' https://* https://* default

List of allowed frame ancestors to use TermWeb in iframe.
This value will be included to response for OpenId authentication callback as CSP: frame-ancestors header (check docs on MDN).

OpenId Connect SSO login settings


false default

true to enable OIDC login. OIDC won’t work in case if your license doesn’t include it. For more information see OpenId Connect Login .


empty by default

Identity Provider (IdP) URL (e.g.<tenant-id>)

empty by default

Client identifier for TermWeb installation used by IdP (this value usually provided from IdP, it can be anything: name, TermWeb url, some generated id)


empty by default

Client secret for connection with IdP.


false default

true to use Basic authentication with IdP, otherwise POST will be used.


false default

true when send Basic authentication header with first request


empty by default

<authentication endpoint> added to the end of oidc.origin url. Like /oauth2/v2.0/authorize.
So TermWeb will use<tenant-id>/oauth2/v2.0/authorize.


empty by default

<token endpoint> subpath added to the end of oidc.origin url. Like /oauth2/v2.0/token.


empty by default

<user details endpoint> full URL or subpath added to the end of oidc.origin url. Like /idp/userinfo.openid or


openid profile email

List of all data requested by TermWeb from IdP about user.


empty by default

Field from user data to identify TermWeb’s Client for logging user. Can be skipped when default client is configured. For example: termweb_client_name.


empty by default

Specify Client login name when it can't be retrieved from user details.


empty by default

Field to identify user, stored as username in TermWeb. E.g. preferred_username.


true default

true when we need to auto create user when it not exists.

true default

Authenticate user as guest when there is no TermWeb’s user related to OpenId profile.

Other settings

Integer number, 500 default

Maximum page size allowed by REST API which can be requested by user. Bigger values will be changed automatically to this value.



When is set to true TermWeb will try to start Elasticsearch locally.



Used with ES autostart, path to ES installation folder



Used with ES autostart, passes argument -Des.insecure.allow.root=true to Elasticsearch


30 default, integer number

Used with ES autostart, Time to wait for ES instance to start and stop in seconds

TW4-cluster default

used before when ES client required it