diff --git a/core/src/main/java/hudson/model/RunMap.java b/core/src/main/java/hudson/model/RunMap.java
index 7c16681c900a84e274fac37d053395a6a0ed9914..2eb65a2fb30a57a38fc374c24ef1bcce35a7cc34 100644
--- a/core/src/main/java/hudson/model/RunMap.java
+++ b/core/src/main/java/hudson/model/RunMap.java
@@ -228,7 +228,7 @@ public final class RunMap<R extends Run<?,R>> extends AbstractLazyLoadRunMap<R>
                 }
                 return b;
             } catch (IOException e) {
-                throw new IOException();
+                LOGGER.log(Level.WARNING, "could not load " + d, e);
             } catch (InstantiationError e) {
                 LOGGER.log(Level.WARNING, "could not load " + d, e);
             } catch (Exception e) {