diff --git a/main/src/com/google/refine/importers/WikitextImporter.java b/main/src/com/google/refine/importers/WikitextImporter.java
index 578bc15da..382abf3bb 100644
--- a/main/src/com/google/refine/importers/WikitextImporter.java
+++ b/main/src/com/google/refine/importers/WikitextImporter.java
@@ -414,7 +414,7 @@ public class WikitextImporter extends TabularImportingParserBase {
                     } else if ("name".equals(currentXmlAttr)) {
                         currentReferenceName = xmlAttrStringBuilder.toString();
                     }
-                } catch (NumberFormatException _) {
+                } catch (NumberFormatException nfe) {
                 }
                 currentXmlAttr = null;
                 xmlAttrStringBuilder = null;
@@ -425,7 +425,7 @@ public class WikitextImporter extends TabularImportingParserBase {
             try {
                 currentXmlAttr = e.getAsString();
                
-            } catch (UnsupportedOperationException _) {
+            } catch (UnsupportedOperationException soe) {
                 currentXmlAttr = null;
             }
         }
diff --git a/main/src/com/google/refine/model/recon/StandardReconConfig.java b/main/src/com/google/refine/model/recon/StandardReconConfig.java
index f04764723..c8dd566e3 100644
--- a/main/src/com/google/refine/model/recon/StandardReconConfig.java
+++ b/main/src/com/google/refine/model/recon/StandardReconConfig.java
@@ -252,7 +252,7 @@ public class StandardReconConfig extends ReconConfig {
             job.text = query;
             job.code = stringWriter.toString();
             return job;
-        } catch (JSONException _) {
+        } catch (JSONException je) {
             return null;
         }
     }