Migration to IG in Standalone Mode

IG is delivered as a standalone Java executable in a .zip file, as well as in a .war file. Consider these points to migrate from IG in web container mode to IG in standalone mode.

Session replication between IG instances

Use only stateless sessions, as described in Sessions. Stateful sessions are not supported.

Streaming of asynchronous responses and events

In ClientHandler and ReverseProxyHandler, use only the default mode of asyncBehavior:non_streaming; responses are processed when the entity content is entirely available. If the property is set to streaming, the setting is ignored. For information, see ClientHandler and ReverseProxyHandler.

Connection reuse when a client certificate is used for authentication

In ClientHandler and ReverseProxyHandler, use only the default mode of stateTrackingEnabled:true; when a client certificate is used for authentication, connections cannot be reused. If the property is set to false, the setting is ignored. For information, see ClientHandler and ReverseProxyHandler.

Tomcat configuration alternative

Port number

Standalone: Configure the connectors property of $HOME/.openig/config/admin.json, where $HOME/.openig is the instance directory. For information, see AdminHttpApplication (admin.json).

Tomcat: Configure in the Connector element of /path/to/tomcat/conf/server.xml:

<Connector port="8080" protocol="HTTP/1.1" connectionTimeout="20000" redirectPort="8443" />

Configuring IG for HTTPS server-side

Standalone: Create a keystore, set up secrets, and configure secrets stores, ports, and ServerTlsOptions in $HOME/.openig/config/admin.json, where $HOME/.openig is the instance directory. For information, see Configure IG For HTTPS (Server-Side) in Standalone Mode.
Tomcat: Create a keystore, and set up the SSL port in the Connector element of /path/to/tomcat/conf/server.xml. For information, see Configure IG for HTTPS (Server-Side) in Tomcat.

Session cookie name

Standalone: Configure the session property of $HOME/.openig/config/admin.json, where $HOME/.openig is the instance directory. For information, see AdminHttpApplication (admin.json).
Tomcat: Configure WEB-INF/web.xml when you unpack the IG .war file.

Access logs

Standalone: Configure in the Audit framework. For information, see Auditing Your Deployment and Audit Framework.
Tomcat: Configure with AccessLogValve.

JDBC datasource

Standalone: Configure with the JdbcDataSource object. For information, see JdbcDataSource. For an example, see Log In With Credentials From a Database.
Tomcat: Configure in the GlobalNamingResources element of /path/to/tomcat/conf/server.xml.

Environment variables

Standalone: Configure in $HOME/.openig/bin/env.sh, where $HOME/.openig is the instance directory.
Tomcat: Configure in /path/to/tomcat/bin/setenv.sh.

Jar files

Standalone: Add to $HOME/.openig/extra, where $HOME/.openig is the instance directory.
Tomcat: Add to to web container classpath; for example /path/to/tomcat/webapps/ROOT/WEB-INF/lib.