print what node is giving issues when exporting

opcua/common/structures.py

@@ -81,6 +81,10 @@ class Struct(object):
         self.fields = []
         self.typeid = None
 
+    def __str__(self):
+        return "Struct(name={}, fields={}".format(self.name, self.fields)
+    __repr__ = __str__
+
     def get_code(self):
         code = f"""
 
@@ -117,6 +121,10 @@ class Field(object):
         self.value = None
         self.array = False
 
+    def __str__(self):
+        return "Field(name={}, uatype={}".format(self.name, self.uatype)
+    __repr__ = __str__
+
 
 class StructGenerator(object):
     def __init__(self):

opcua/common/xmlexporter.py

@@ -13,6 +13,7 @@ import base64
 from opcua import ua
 from ..ua import object_ids as o_ids
 from .ua_utils import get_base_data_type
+from opcua.ua.uaerrors import UaError
 
 __all__ = ["XmlExporter"]
 
@@ -92,7 +93,12 @@ class XmlExporter:
         idxs = []
         for node in nodes:
             node_idxs = [node.nodeid.NamespaceIndex]
-            node_idxs.append((await node.get_browse_name()).NamespaceIndex)
+            try:
+                node_idxs.append((await node.get_browse_name()).NamespaceIndex)
+            except UaError:
+                self.logger.exception("Error retrieving browse name of node %s", node)
+                raise
+
             node_idxs.extend(ref.NodeId.NamespaceIndex for ref in await node.get_references())
             node_idxs = list(set(node_idxs))  # remove duplicates
             for i in node_idxs: