BUGFIX: fix the problem with batch import of material properties, where...

BUGFIX: fix the problem with batch import of material properties, where property type is any material

SVN: 28388

openbis/source/java/ch/systemsx/cisd/openbis/plugin/generic/server/EntityExistenceChecker.java

@@ -357,9 +357,14 @@ class EntityExistenceChecker
             {
                 String value = property.getValue();
                 MaterialTypePE materialType = propertyTypePE.getMaterialType();
-                MaterialIdentifier materialIdentifier =
-                        new MaterialIdentifier(value, materialType.getCode());
-                materialExistenceManager.exists(materialIdentifier);
+                if (materialType != null) // if material type is null, it means, the property is of
+                                          // "any material type", so we don't need to check if it
+                                          // exist
+                {
+                    MaterialIdentifier materialIdentifier =
+                            new MaterialIdentifier(value, materialType.getCode());
+                    materialExistenceManager.exists(materialIdentifier);
+                }
             }
         }
     }