5223 is an obsolete port and you shouldn't use it. Both SSL and non-SSL connections occur on 5222. If you have specified 5223 port in Spark, then change it to 5222 or leave host/port part in Automatic mode.
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5223 is an obsolete port and you shouldn't use it. Both SSL and non-SSL connections occur on 5222. If you have specified 5223 port in Spark, then change it to 5222 or leave host/port part in Automatic mode.