Is it possible to show what the character is exactly? With logical type string it should accept any character as long as is it not a invalid or garbage value.... ... View more

Hi..,if you know the exact number of files to be transferred then yes….but if the count is variable then since nifi is a flow tool there is no concept as the last file…. You can send an email if you find any files in the failure relationship… this way you will know if the transfer went well or not.., If this seems obvious please share a sketch of what you wish to inplement for a better solution… ... View more

Seems like db2 is using some data type which is not recognizable to Avro. You can try to Disable Avro logical types to false in QueryDatabaseTable and then parse the data correctly within the flow.   If you find the answer helpful please accept this as a solution. ... View more

You can tail nifi-app.log from within nifi and use multi-line regex function to extract the response.    If you find the answer helpful please accept this as a solution. ... View more

Hi...For a single email alert, use MergeContent processor (on some condition) before PutEmail. If you have a definite number of files then in MergeContent you can add Minimum Number of Entries as 10. If not, then only way is time bound.  For transfer check, you will have to provide more info here. Where is it transferred? Does nifi handle the transfer? If nifi handles the transfer, you will have files in Failure relationship so that should tell you if the transfer for all files was successful or not.  If you find the answer helpful please accept this as a solution.   ... View more

This is a heap space problem. Check if your nifi cluster is big enough to process the amount of data you are consuming from Kafka. Maybe try with a smaller dataset.    If you find the answer helpful please accept this as a solution. ... View more

It seems the avro schema doesnt match with the table structure. E.g it is string in your flowfile, it is string in the destination table as well? If not, you will get this error. The probable reason is that PutHiveStreaming doesnt implicitly change data types.   If you find the answer helpful please accept this as a solution. ... View more

You need to provide more info here. What is the data type of each column? How are you adding data? What is the data format of the hive table? When you use you get the correct result, is it the same result or some other rows.  ... View more

It seems that the avro logical type are not matching. Please double check the data types.  If you find the answer helpful please accept this as a solution. ... View more

Check your Kerberos credentials cache Also note keyring is not completely compatible. You may have to use file credential cache. If this doesnt work, please send some stack trace to understand the problem. ... View more