To begin troubleshooting, click Troubleshoot -> Slow Response Times:
To troubleshoot slow business transaction URLs, select the Slow Transactions tab and use the Transaction Snapshots pane:
Once you select the URL you will see a visualization of the transaction. You can drill into a call graph by clicking the drill-down icon.
Once you are in the call graph you can look for methods that have a significant response time. For example, the executeQuery method is responsible for 99% of response time:
From the Troubleshoot -> Slow Response Times page, you can also select the Slowest DB & Remote Service Calls tab:
You can drill into the transaction snapshots from this tab to see the snapshot view:
For more information on resolving issues related to slow transactions, see Troubleshoot Slow Response Times for Java.