Regex remove those bad characters   https://community.cloudera.com/t5/Support-Questions/nifi-regex-replace-special-characters/td-p/103404   https://community.cloudera.com/t5/Support-Questions/How-do-I-enter-an-unprintable-byte-into-a-nifi-property-that/td-p/203936   https://community.cloudera.com/t5/Support-Questions/Remove-from-a-flow-file-in-Nifi/td-p/109503   https://nifi.apache.org/docs/nifi-docs/html/expression-language-guide.html   http://apache-nifi-users-list.2361937.n4.nabble.com/ReplaceText-and-special-characters-td480.html   https://community.cloudera.com/t5/Support-Questions/ReplaceText-quot-processor-does-not-replace-special/td-p/171544   https://community.cloudera.com/t5/Support-Questions/remove-special-characters-from-xml-text-node-using-nifi/td-p/241008   https://community.cloudera.com/t5/Support-Questions/Regex-Special-Character-Escape/m-p/239556#M201365  Could also use UpdateRecord on Json with infer with replace or replaceregex https://nifi.apache.org/docs/nifi-docs/html/record-path-guide.html   ... View more

This is azure error for storage   https://social.msdn.microsoft.com/Forums/en-US/a9225a04-7a7c-46f6-ae7b-45168119c0a4/not-able-to-listen-on-azure-eventhostprocessor?forum=servbus     ... View more