Index: server/src/main/org/jboss/ejb/txtimer/GeneralPurposeDatabasePersistencePlugin.java
===================================================================
--- server/src/main/org/jboss/ejb/txtimer/GeneralPurposeDatabasePersistencePlugin.java	(revision 81368)
+++ server/src/main/org/jboss/ejb/txtimer/GeneralPurposeDatabasePersistencePlugin.java	(working copy)
@@ -159,7 +159,8 @@
             // Add the primary key constraint using the pk-constraint-template
             JDBCFunctionMappingMetaData pkConstraint = typeMapping.getPkConstraintTemplate();
             String[] templateParams = new String[] {
-                  getTableName() + "_PK",
+                  // Dot is not a legal constraint name character for some databases (e.g. Oracle)
+                  getTableName().replaceAll("\\.", "_") + "_PK",
                   getColumnTimerID() + ", " + getColumnTargetID()
                   };
             pkConstraint.getFunctionSql(templateParams, createTableDDL);