The release notes are available in the \Docs subdirectory of your installation.

Late-breaking information about this kit can be found in: \relnotes\readme.1st

Release notes from prior kits are combined in the file: \relnotes\cache\relnotes.htm

This document provides a list of the changes between version 2008.1.4 and Caché 2008.1.5.

Topics include:

• General Announcements
• Restricted Rights Legend
• InterSystems News, Alerts, and Advisories
• Online Documentation
• Description of a Change Report
• Change Reports for This Maintenance Kit

Customers running on any prior released version of Caché may upgrade to this version of Caché during installation.

When upgrading across multiple versions, intermediate upgrade steps may be necessary depending on the inter-release compatibility requirements. The release notes for the intervening releases will contain that information.

After each upgrade step, the following conditions apply:

The following guidelines apply to the process of upgrading ECP configurations:

If you have questions or concerns about how to upgrade your ECP configuration, please contact InterSystems Worldwide Customer Support.

Use, duplication, or disclosure by the Government is subject to restrictions as set forth in subparagraph (c)(1)(ii) of the Rights in Technical Data and Computer Software clause at DFARS 252.227-7013.

When acquired by the Government, commercial computer software and related documentation bearing this legend are subject to the following:

1. Title to and ownership of the software and documentation shall remain with the Contractor.
2. Use of the software and documentation shall be limited to the facility for which it is acquired.
3. The Government shall not provide or otherwise make available the software or documentation, or any portion thereof, in any form, to any third party without the prior written approval of the Contractor. Third parties do not include prime contractors, subcontractors and agents of the Government who have the Government's permission to use the licensed software and documentation at the facility, and who have agreed to use the licensed software and documentation only in accordance with these restrictions. This provision does not limit the right of the Government to use software, documentation, or information therein, which the Government has or may obtain without restrictions.
4. The Government shall have the right to use the computer software and documentation with the computer for which it is acquired at any other facility to which that computer may be transferred; to use the computer software and documentation with a backup computer when the primary computer is inoperative; to copy computer programs for safekeeping (archives) or backup purposes; and to modify the software and documentation or combine it with other software. Provided that the unmodified portions shall remain subject to these restrictions.

From time to time, InterSystems publishes items of immediate importance to users of our software. These include alerts, mission critical issues, important updates, fixes, and release announcements.

The most current list can be obtained from the InterSystems Website.

Users should check this list periodically to obtain the latest information on issues that may have an effect on the operation of their site.

As a convenience to our users, InterSystems provides online access to documentation for recent product versions at the InterSystems Website. From the home page, choose the Support & Education tab, then choose the Support menu item for the product you are interested in, for example, Caché Support. Links to the available documentation can be found on the support page for each product.

To help you assess the impact of this maintenance kit on your applications, the remaining topics in this document describe each modification in detail.

If you need assistance evaluating the effect on your application(s), system(s), or related plans, please contact the InterSystems Worldwide Support Center:

• Phone:  +1  617  621-0700
• Fax:  +1  617  734-9391
• Email:  support@intersystems.com

Performance enhancement: To support ECP recovery the data server journal syncs its activities before the client can drop them. Also unintentionally, it forced a journal sync on purge block notifications too. This change modifies the algorithm to not journal sync when the request does not insert any journal entry.

In rare conditions in low load environments, the ECP client may delay flushing pending requests. This change modifies the ECP client to flush requests as soon as possible.

A problem has been corrected where a single-field IDKEY field defined in a Map Subscript expression, for example,

$$Tag^Routine({MyIDKeyField})

was specified for the map subscript expression in a child table.

This changes corrects an issue with the ANY and SOME predicates. Under some circumstances, the use of these predicates on data containing NULLs could result in incorrect results being returned.

This corrects an error caused by incorrect version checking in the Caché server. The error message that resulted was

class '%Studio.Debugger', method 'Attach': too many arguments

It is present in the version 2007.1 server when the maintenance version is higher then 5.

When searching for a routine to load, if any namespace is reconfigured, the unused namespace is released. The freed namespace name, however, remains associated with the current routine context. If the freed memory is reused for something else, and if the routine namespace context is required for $text or error trap, the consequences are unpredictable.

This change corrects the behavior so the proper associations are established.

Prior to this change, multiple processes doing $zu(88) cause system degradation, and continually get NOJOB errors. This change corrects the situation.

Using a simple routine to exhaust memory will cause a JobServer to loop forever. For example, the Objectscript commands

f i=1:1 s a(i)=$zu(188)

cause such behavior. This change corrects the JobServer bahavior.

Routines that start a transaction to modify objects or execute an SQL query may hang if called via %ZSTOP during shutdown. This change prevents that from happening.

A problem has been corrected that could cause starting a Caché instance from the cube to fail with an "Access Denied" error message.

The problem occurred on Windows Vista and possibly Windows Server 2008 with a non-English locale. This problem was present on all Windows Vista capable versions of Caché (2007.1 forward).