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Why do I get a NullPointerException when calling K2Searchs K2Connection method?

April 26, 2017method NullPointerException

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Why do I get a NullPointerException when calling K2Searchs K2Connection method?

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In older versions of K2, the K2Connection method needed to be passed the protocol version to be used. Starting with K2 Version 4.50, this argument has been removed; only the hostname and port are passed to the K2Connection method: Prior to Version 4.50, call K2Connection(host, Integer.parseInt(port), getProtocol()); Starting with Version 4.50, call K2Connection(host, Integer.