Hi, Xukun, you have <property> <name>fs.defaultFS</name> <value>hdfs://clcluster/</value> </property> in core-sire.xml. There is nothing wrong in that, but that forces you to specify a full URI in Hadoop client commands. When you're connecting to IGFS, the full URI should have form <scheme>://<IGFS name>@<host>:<port>/<path> , with <IGFS name> part being mandatory. In you experiments this URI part is missing, so Ignite node does not know what IGFS to connect to. Please try to use URI in like *hadoop fs -ls igfs://igfs@127.0.0.1:10500/ * . Please let us know if that helps.
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