https://community.cloudera.com/t5/Support-Questions/NiFi-1-23-2-Too-Many-Open-Files-After-Enabling-TLS-Closed/m-p/409832#M252846 <P><SPAN>I'm using NiFi 1.23.2 in our production environment. It works fine when TLS is disabled, but after enabling TLS, we encounter a 'too many open files' issue. Through further investigation using lsof combined with the ss command, we discovered a large number of closed TCP connections with socket transmission buffers showing as 0t0. Why does this situation occur? Is this a bug in NiFi itself?</SPAN></P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Meepoljd_0-1749456231857.png" style="width: 400px;"><img src="https://community.cloudera.com/t5/image/serverpage/image-id/45991i939F98E9F4092538/image-size/medium?v=v2&amp;px=400" role="button" title="Meepoljd_0-1749456231857.png" alt="Meepoljd_0-1749456231857.png" /></span><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Meepoljd_1-1749456243292.png" style="width: 400px;"><img src="https://community.cloudera.com/t5/image/serverpage/image-id/45992i015360ADF82824BB/image-size/medium?v=v2&amp;px=400" role="button" title="Meepoljd_1-1749456243292.png" alt="Meepoljd_1-1749456243292.png" /></span></P><P>&nbsp;</P> Mon, 09 Jun 2025 08:04:15 GMT Meepoljd 2025-06-09T08:04:15Z https://community.cloudera.com/t5/Support-Questions/NiFi-1-23-2-Too-Many-Open-Files-After-Enabling-TLS-Closed/m-p/409832#M252846 <P><SPAN>I'm using NiFi 1.23.2 in our production environment. It works fine when TLS is disabled, but after enabling TLS, we encounter a 'too many open files' issue. Through further investigation using lsof combined with the ss command, we discovered a large number of closed TCP connections with socket transmission buffers showing as 0t0. Why does this situation occur? Is this a bug in NiFi itself?</SPAN></P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Meepoljd_0-1749456231857.png" style="width: 400px;"><img src="https://community.cloudera.com/t5/image/serverpage/image-id/45991i939F98E9F4092538/image-size/medium?v=v2&amp;px=400" role="button" title="Meepoljd_0-1749456231857.png" alt="Meepoljd_0-1749456231857.png" /></span><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Meepoljd_1-1749456243292.png" style="width: 400px;"><img src="https://community.cloudera.com/t5/image/serverpage/image-id/45992i015360ADF82824BB/image-size/medium?v=v2&amp;px=400" role="button" title="Meepoljd_1-1749456243292.png" alt="Meepoljd_1-1749456243292.png" /></span></P><P>&nbsp;</P> Mon, 09 Jun 2025 08:04:15 GMT https://community.cloudera.com/t5/Support-Questions/NiFi-1-23-2-Too-Many-Open-Files-After-Enabling-TLS-Closed/m-p/409832#M252846 Meepoljd 2025-06-09T08:04:15Z https://community.cloudera.com/t5/Support-Questions/NiFi-1-23-2-Too-Many-Open-Files-After-Enabling-TLS-Closed/m-p/410023#M252851 <P>Hello&nbsp;<a href="https://community.cloudera.com/t5/user/viewprofilepage/user-id/38301">@mburgess</a>&nbsp;<a href="https://community.cloudera.com/t5/user/viewprofilepage/user-id/35454">@MattWho</a>&nbsp;do you have any insights here? Thanks!</P> Mon, 09 Jun 2025 18:57:39 GMT https://community.cloudera.com/t5/Support-Questions/NiFi-1-23-2-Too-Many-Open-Files-After-Enabling-TLS-Closed/m-p/410023#M252851 DianaTorres 2025-06-09T18:57:39Z