Ron McLeod

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since Feb 12, 2013
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Richmond, BC, Canada
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Recent posts by Ron McLeod

sai rama krishna wrote:And created a new file named 'jdbc.properties'


Where did you place the file?
1 day ago
I don't have JDK 8u40 installed anywhere, but I tried using 8u202 on Windows 10 Pro v22H2 build 19045.2965 and I got the same (successful) results.
2 days ago
I have a few questions ...
 - How many rows do you expect to be in the ResultSet?
 - What will you do with the data which gets exported?
2 days ago
Other than renaming some variables, I ran your code as-is, and it seemed to work as your wanted:

Windows 10 and Java 17.0.7
2 days ago

Lou Hamers wrote:This 1240528 looks too short for that (but maybe you just random typed that for an example)...


It sounds like this for input into a legacy system where their fix for Y2K  was to prepend the date with a century indicator - 0=19XX, 1=20XX.
3 days ago
Something like this should work:DateTimeFormatter
3 days ago

Kiran Er wrote:Can anyone help me with a java code which can convert below json into list of hashmaps


This may not be the best, but you could use Gson:
1 week ago
When HTTP is used as a transport for RPC calls, it is normal to use POST to invoke a procedure on the remote/server side.

Is the API an RPC type (action focused) or a RESTful type (resource focused)?
2 weeks ago
Maybe this one?

JVM Memory Increase in Seatunnel #6786 wrote:
https://github.com/apache/seatunnel/issues/6786
I am running the seatunnel cluster continuously, we are running the seatunnel on ec2 and after each run of a job for eg jdbc to jdbc the jvm size increases,....after each run the size increases continuously untill the memory in the ram is being occupied....if more space is required...it crashes the job...

3 weeks ago

Parul Shrikhande wrote:The application name that I am using is Apache Seatunnel...


Make sure to check the Seatunnel project issues to see if the problem you are experiencing is already known/reported.
3 weeks ago
You could also take a snapshot/dump of the heap (before it gets too large), and then use the various views to see what types of objects are in the heap, their sizes, counts, etc.





3 weeks ago

Parul Shrikhande wrote:what to do can anyone suggest??


Since you are running Visual VM, I suggest using the Profiler and Sampler to understand what is filling-up the heap.  Pay attention to the Generations column, which indicates the number of times the objects have survived a garbage collection.

3 weeks ago

Paul Clapham wrote:A java.sql.Date object doesn't have a format. ...


But the class does specify the format to use when creating an object based on a String representation: java.sql.Date#valueOf

The documentation wrote:public static Date valueOf(String s)
Converts a string in JDBC date escape format to a Date value.
Parameters:
s - a String object representing a date in in the format "yyyy-[m]m-[d]d". The leading zero for mm and dd may also be omitted.
Returns:
a java.sql.Date object representing the given date
Throws:
IllegalArgumentException - if the date given is not in the JDBC date escape format (yyyy-[m]m-[d]d)

Peter Ho wrote:... I understand that, but I want to know deeper how it works underground and why the value is.


The documentation for Arrays#compare(char[], char[]) includes example code which demonstrates the behaviour.

Javadoc wrote:This method behaves as if (for non-null array references):




1 month ago


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