Avoid logger issues with parsing the parameter and converting to string
diff --git a/container/openejb-core/src/main/java/org/apache/openejb/core/timer/TimerData.java b/container/openejb-core/src/main/java/org/apache/openejb/core/timer/TimerData.java
index 5c3d5b6..6dfc1ff 100644
--- a/container/openejb-core/src/main/java/org/apache/openejb/core/timer/TimerData.java
+++ b/container/openejb-core/src/main/java/org/apache/openejb/core/timer/TimerData.java
@@ -230,7 +230,7 @@
 
         } catch (final TimerExpiredException e) {
             setExpired(true);
-            log.warning("Timer {} is expired and will never trigger.", trigger);
+            log.warning("Timer " + trigger + " is expired and will never trigger.");
 
         } catch (final TimerStoreException e) {
             throw new EJBException("Failed to register new timer data synchronization", e);