From baa7ac0be0ad0377e1347548581e5d6a7520cc22 Mon Sep 17 00:00:00 2001
From: German <28149841+germa89@users.noreply.github.com>
Date: Thu, 7 Nov 2024 11:28:51 +0100
Subject: [PATCH] fix: checking port on non-grpc mapdl instances (#3540)

* fix: checking port on non-grpc mapdl instances

* chore: adding changelog file 3540.fixed.md [dependabot-skip]

---------

Co-authored-by: pyansys-ci-bot <92810346+pyansys-ci-bot@users.noreply.github.com>
---
 doc/changelog.d/3540.fixed.md              | 1 +
 src/ansys/mapdl/core/cli/list_instances.py | 6 +++++-
 2 files changed, 6 insertions(+), 1 deletion(-)
 create mode 100644 doc/changelog.d/3540.fixed.md

diff --git a/doc/changelog.d/3540.fixed.md b/doc/changelog.d/3540.fixed.md
new file mode 100644
index 0000000000..b524a5f16d
--- /dev/null
+++ b/doc/changelog.d/3540.fixed.md
@@ -0,0 +1 @@
+fix: checking port on non-grpc mapdl instances
\ No newline at end of file
diff --git a/src/ansys/mapdl/core/cli/list_instances.py b/src/ansys/mapdl/core/cli/list_instances.py
index 644fa75d00..36d6d5b9df 100644
--- a/src/ansys/mapdl/core/cli/list_instances.py
+++ b/src/ansys/mapdl/core/cli/list_instances.py
@@ -125,9 +125,13 @@ def get_port(proc):
         ind_grpc = cmdline.index("-port")
         return cmdline[ind_grpc + 1]
 
+    def is_grpc_based(proc):
+        cmdline = proc.cmdline()
+        return "-grpc" in cmdline
+
     table = []
     for each_p in mapdl_instances:
-        if instances and not each_p.ansys_instance:
+        if not each_p.ansys_instance or not is_grpc_based(each_p):
             continue
 
         proc_line = []