Member since
09-04-2019
62
Posts
17
Kudos Received
11
Solutions
My Accepted Solutions
| Title | Views | Posted |
|---|---|---|
| 1791 | 10-30-2023 06:50 AM | |
| 15948 | 02-27-2023 09:25 AM | |
| 3676 | 07-07-2022 09:17 AM | |
| 3049 | 01-26-2022 06:25 AM | |
| 4383 | 01-25-2022 06:19 AM |
07-14-2022
09:33 AM
Thank you sir. I was able to generate more users/client certificates by specifying multiple "-C CN=user1, OU=nifi" in addition to the initial command i have.
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07-07-2022
03:42 PM
1 Kudo
@linssab , You are probably running into this issue described in NIFI-9241, which has been fixed on NiFi 1.15. Cheers, André
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07-07-2022
08:07 AM
@Reddy3 There is not enough history or detail to understand what lead to the corruption of your NiFi HD DBs. However, the NiFi H2 DBs are used to hold flow configuration history (what user did what on the canvas) and authenticated user server side tokens. These DBs can be removed/renamed and on startup NiFi will created new DBs. Removing these will have no impact on your flow.xml, content, etc... You will simply lose your flow configuration history (will start over from this point forward tracking changes) and your users will be forced to login again. Hope this helps, Matt
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02-07-2022
02:36 PM
What @DigitalPlumber said. Also make sure that Match Requirement is set to "content must contain match", otherwise it won't work.
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01-26-2022
06:25 AM
Hello, Most likely because on your CSV Reader you have: Treat First Line as Header = false ( default ) Change that to true
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01-24-2022
11:44 AM
Old post but for awareness: As reported here: UUID Logical type is now included under Apache Parquet 1.12 https://issues.apache.org/jira/browse/PARQUET-1827 Apache NiFi will use apache Parquet 1.12 starting from Apache NiFi 1.14
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01-21-2022
09:46 AM
1 Kudo
Without knowing how the FTP directory is populated, you might have an issue with the ListFTP state and might consider changing its its Listing Strategy, However assuming that is no issue and you want to only perform an action based on any file with a naming structure like this: xxxx-xxxx-xxxx-xxxx-20220121110000-xxxx-xxxx.csv and only if it is older than two hours from "now" I would run the output of your ListFTP to an UpdateAttribute and add these 2 properties: property name fileTime value ${filename:getDelimitedField(5,'-'):trim():toDate('yyyyMMddHHmmss'):toNumber()} property name timeNow value ${now():toNumber():minus(7200000)} Then route that to a RouteOnAttribute and add a new property: property name value 2 hours old ${fileTime:le(${timeNow})} Then you can drag that connection to follow on processing and the unmatched connection to other processing or terminate it. Explanation: filelName ${filename:getDelimitedField(5,'-'):trim():toDate('yyyyMMddHHmmss'):toNumber()} This grabs the time out of your filename and converts it to a Date object so it can be converted to its epoch representation timeNow ${now():toNumber():minus(7200000)} Sets a value 2 hours ago from current time ${fileTime:le(${timeNow})} If attribute fileName is less than or equal to timeNow it means that it is 2 hours old.
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01-21-2022
05:44 AM
Indeed @DigitalPlumber , EvaluateXpath can't handle variables, only an Xpath. Queryrecord might be an alternative if i was using another type of file but since im using an XML file and this processor performs an SQL Query what can be my parameters in the query ?
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01-20-2022
09:43 AM
Deleting that state directory should not be a normal maintenance function. What you initially described is a very odd case. The fact that your node went down 003 and if it was the primary node or the coordinator node, internally there would have been a election to nominate a new cluster member node to perform those functions. In your case node 003 is a member of the cluster but it is not connected. Why it is not connected could be the cause of n reasons typically node is down or it was manually disconnected. When you see that message how many member nodes do you have? I expect the UI to show 2/3 because node 3 is not connected. The solution is to connect it by fixing the issue of why node is down or connect it through the UI
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09-02-2020
06:46 AM
Same error, different port (8080): the problem was fixed by deleting the /var/lib/nifi/state directory (you need to stop all Nifi instances first). You can have this problem everytime you switch from TLS to non-secure and viceversa.
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