File Descriptor leak

[jt-bmc]

In what version(s) of Spring Integration are you seeing this issue?

5..5.7

Describe the bug

In TcpNioConnection.java, when writing big buffers, (more than 280 KB) a Selector is open and never closed (Lines 640 to 653)

To Reproduce

Writer buffers bigger then 280 KB

Expected behavior

Call selector.close() at the end of the while loop (Line 653)

Reports that include a sample will take priority over reports that do not.
At times, we may require a sample, so it is good to try and include a sample up front.
TcpNioConnection.txt