<dataSource type="JdbcDataSource"
              driver="com.microsoft.sqlserver.jdbc.SQLServerDriver"
              url="jdbc:sqlserver://XXXXX;databaseName=YYYYY"
              user="ZZZZZ"
              password="U2FsdGVkX18GhgooFuz6bl7o23l7YPu+qof3cxIDJgw="
              encryptKeyFile="encryption.txt"/>

Full Import failed:java.lang.RuntimeException: java.lang.RuntimeException: org.apache.solr.handler.dataimport.DataImportHandlerException: Could not load encryptKeyFile  encryption.txt Processing Document # 1
    at org.apache.solr.handler.dataimport.DocBuilder.execute(DocBuilder.java:270)
    at org.apache.solr.handler.dataimport.DataImporter.doFullImport(DataImporter.java:416)
    at org.apache.solr.handler.dataimport.DataImporter.runCmd(DataImporter.java:475)
    at org.apache.solr.handler.dataimport.DataImporter.lambda$runAsync$0(DataImporter.java:458)
    at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.RuntimeException: org.apache.solr.handler.dataimport.DataImportHandlerException: Could not load encryptKeyFile  encryption.txt Processing Document # 1
    at org.apache.solr.handler.dataimport.DocBuilder.buildDocument(DocBuilder.java:416)
    at org.apache.solr.handler.dataimport.DocBuilder.doFullDump(DocBuilder.java:329)
    at org.apache.solr.handler.dataimport.DocBuilder.execute(DocBuilder.java:232)
    ... 4 more
Caused by: org.apache.solr.handler.dataimport.DataImportHandlerException: Could not load encryptKeyFile  encryption.txt Processing Document # 1
    at org.apache.solr.handler.dataimport.JdbcDataSource.decryptPwd(JdbcDataSource.java:138)
    at org.apache.solr.handler.dataimport.JdbcDataSource.init(JdbcDataSource.java:75)
    at org.apache.solr.handler.dataimport.DataImporter.getDataSourceInstance(DataImporter.java:389)
    at org.apache.solr.handler.dataimport.ContextImpl.getDataSource(ContextImpl.java:100)
    at org.apache.solr.handler.dataimport.SqlEntityProcessor.init(SqlEntityProcessor.java:53)
    at org.apache.solr.handler.dataimport.EntityProcessorWrapper.init(EntityProcessorWrapper.java:75)
    at org.apache.solr.handler.dataimport.DocBuilder.buildDocument(DocBuilder.java:433)
    at org.apache.solr.handler.dataimport.DocBuilder.buildDocument(DocBuilder.java:414)
    ... 6 more