diff --git a/changelogs/fragments/5550-java_certs-not-enough-info-on-error.yml b/changelogs/fragments/5550-java_certs-not-enough-info-on-error.yml
new file mode 100644
index 0000000000..c2b2be0418
--- /dev/null
+++ b/changelogs/fragments/5550-java_certs-not-enough-info-on-error.yml
@@ -0,0 +1,2 @@
+minor_changes:
+   - java_certs - add more detailed error output when extracting certificate from PKCS12 fails (https://github.com/ansible-collections/community.general/pull/5550).
diff --git a/plugins/modules/java_cert.py b/plugins/modules/java_cert.py
index 1d1327ed71..461f365a72 100644
--- a/plugins/modules/java_cert.py
+++ b/plugins/modules/java_cert.py
@@ -281,7 +281,8 @@ def _export_public_cert_from_pkcs12(module, executable, pkcs_file, alias, passwo
     (export_rc, export_stdout, export_err) = module.run_command(export_cmd, data=password, check_rc=False)
 
     if export_rc != 0:
-        module.fail_json(msg="Internal module failure, cannot extract public certificate from pkcs12, error: %s" % export_stdout,
+        module.fail_json(msg="Internal module failure, cannot extract public certificate from PKCS12, message: %s" % export_stdout,
+                         stderr=export_err,
                          rc=export_rc)
 
     with open(dest, 'w') as f: