Selenium Nodes for KNIME version 188.8.131.52107031926 by seleniumnodes.com
This node works similarly to the Start WebDriver node, except that it relies on a global pool of WebDrivers respective browsers. When the node is executed, it will try to retrieve an existing, idle WebDriver with the specified configuration from the pool, and only start a new one in case no WebDriver is available.
Instead of quitting the WebDriver (e.g. by resetting this node, or by running a Quit WebDriver node), it is handed back to the pool and can be reused later. WebDrivers managed by the pool will be quit simultaneously with KNIME.
The node performs a simple health check before handing out a pooled WebDriver. In case a WebDriver is not responding (e.g. because it has crashed, or it was killed by the user) it is eliminated from the pool.
Note, that the pooling mechanism is primarily intended for speeding up workflows which would start new browsers very frequently (e.g. in a busy loop). Pooled drivers keep their settings (cache, cookies, data, history, etc.), it is therefore not advisable to use the pooling mechanism when you require a “clean” browser, e.g. during testing.
To use this node in KNIME, install Selenium Nodes for KNIME from the following update site:
A zipped version of the software site can be downloaded here.
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