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  1.  Home
  2. JAVA400-L
  3. June 2023

Re: Can I Trace a JDBC connection on IBM i

Is there a way to trace a JDBC connection to see if there is something
strange going on? I see nothing in the job log.


On Thu, Jun 22, 2023 at 4:58 PM Mark Murphy <jmarkmurphy@xxxxxxxxx> wrote:

I am having sort of intermittent slow JDBC connections. That is, I am
having a slow connection between one Windows server and an IBM i, but when
I use an older server against the same IBM i, the connection is 100 times
faster. literally. Same driver on both Windows servers.

IBM i v7.2
jtOpen 9.8

old server: Windows Server 2016 Datacenter - openj9 - works fine
JDK: jdk-8.0.292.10-openj9

new server: Windows Server 2022 Datacenter - hotspot - slow JDBC connection
JDK: jdk-8.0.362.9.hotspot

I suppose I could try to find the open j9 jdk and see if that fixes things
on the 2022 server. since that is the only difference other than the newer
version of Windows. But the new server is a lot faster than the old server.



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