https://community.cloudera.com/t5/Support-Questions/ERROR-ShuffleBlockFetcherIterator/m-p/330305#M230637 <P>Hi</P><P>&nbsp;</P><P>This error seems tobe related to Netty Version mismatch at hdfs/hadoop/spark.</P><P>&nbsp;</P><P>Please make sure you have consistent netty version across hdfs/hadoop/spark</P><P>&nbsp;</P><P>&nbsp;</P><P>Thanks</P><P>Sukrut</P> Tue, 16 Nov 2021 11:54:13 GMT BigData-suk 2021-11-16T11:54:13Z