diff --git a/src/main/java/com/google/gwtorm/jdbc/JdbcAccess.java b/src/main/java/com/google/gwtorm/jdbc/JdbcAccess.java
index 8bb668b..4cc35e5 100644
--- a/src/main/java/com/google/gwtorm/jdbc/JdbcAccess.java
+++ b/src/main/java/com/google/gwtorm/jdbc/JdbcAccess.java
@@ -80,6 +80,7 @@
     try {
       return schema.getConnection().prepareStatement(sql);
     } catch (SQLException e) {
+      linkCause(e);
       throw new OrmException("Prepare failure\n" + sql, e);
     }
   }
@@ -121,6 +122,7 @@
         ps.close();
       }
     } catch (SQLException e) {
+      linkCause(e);
       throw new OrmException("Fetch failure: " + getRelationName(), e);
     }
   }
@@ -145,6 +147,7 @@
         ps.close();
       }
     } catch (SQLException e) {
+      linkCause(e);
       throw new OrmException("Fetch failure: " + getRelationName(), e);
     }
   }
@@ -168,6 +171,7 @@
         ps.close();
       }
     } catch (SQLException e) {
+      linkCause(e);
       throw new OrmException("Insert failure: " + getRelationName(), e);
     }
   }
@@ -191,6 +195,7 @@
         ps.close();
       }
     } catch (SQLException e) {
+      linkCause(e);
       throw new OrmException("Update failure: " + getRelationName(), e);
     }
   }
@@ -214,6 +219,7 @@
         ps.close();
       }
     } catch (SQLException e) {
+      linkCause(e);
       throw new OrmException("Delete failure: " + getRelationName(), e);
     }
   }
@@ -239,6 +245,12 @@
     }
   }
 
+  private static void linkCause(final SQLException e) {
+    if (e.getCause() == null && e.getNextException() != null) {
+      e.initCause(e.getNextException());
+    }
+  }
+
   protected abstract T newEntityInstance();
 
   protected abstract String getRelationName();