This file provides the following information for ObjectStore™ Release 6.3:
ObjectStore is an object-oriented database management system. It allows you to
ObjectStore includes the following installable components:
For information about supported platforms and other configuration information, see the ObjectStore Support Matrix at www.progress.com/realtime/techsupport/support_matrix.
PDF versions of the installation guide and release notes are in the same directory in the installation package as this README file. See Installing ObjectStore for Windows or Installing ObjectStore for UNIX for the following information:
You must use the Adobe Acrobat Reader 5.0 (or later) to view the PDF files. The Adobe Acrobat Reader is free and available from the Adobe Systems Web site.
The following major changes have been made to this release of ObjectStore:
You can find a full set of product documentation as well as information about previous Service Packs on the ObjectStore Technical Support Web site at www.progress.com/realtime/techsupport/documentation. Documentation becomes available on the support Web site shortly after the software is released.
Optionally, you can install the documentation on one or more of your local systems. On Windows, if you installed the ObjectStore documentation, select Start->Programs->ObjectStore Win32->ObjectStore Documentation to display ObjectStore documentation in a Web browser.
On UNIX or Windows, if you installed the ObjectStore documentation, you
can view the full documentation for ObjectStore by opening index.htm
in the doc directory where ObjectStore is installed.
Before installation, PDF versions of the installation guide and release
notes are in the same directory as this README file. After installation, the
PDF documents are in the doc/pdf directory of your ObjectStore
installation directory, along with PDF versions of the rest of the ObjectStore
documentation. ObjectStore documentation is also provided in HTML format.
The following sections provide information about Release 6.3 that is not included in the documentation.
os_coll_int64 is a signed 64-bit integer; on
UNIX it is a long long and on Windows it is an
_int64.
os_coll_uint64 is an unsigned 64-bit integer;
on UNIX it is an unsigned long long and on Windows
it is an unsigned _uint64.
In "Chapter 2: Platform and Release Compatibility" of the ObjectStore Release Notes, some of the information listed for platform compatibility is in error. For the most up-to-date information about supported platforms and other configuration information, see the ObjectStore Support Matrix at www.progress.com/realtime/techsupport/support_matrix.
using
statements. If your pre-6.3 application depends on these statements, you must modify your
application and recompile it with the 6.3 run-time libraries." This namespace issue
statement is an error and you do not not need to change your pre-6.3 applications namespace
usage.
Before performing schema evolution for ObjectStore databases, release 6.2 or earlier, on the Linux 32-bit platform, contact technical support for information about how to evolve your schema. Technical support will provide a patch that prevents possible data corruption during schema evolution. For more information, see "Platform Configuration: Linux 32-Bit" in the ObjectStore 6.3 Release Notes.
OSCI and OSJI libraries use the ANSI Standard C++ runtime (compiled with the -AA compiler option). Native applications must be compiled
the -AA option and linked with the Standard C++
version of the JVM libraries. These libraries are distributed separately and may obtained from the same location where you download the JVM and RTE.
Also, when invoking the JVM, the
-V2 option needs to be used. For example:
java -V2 ...
See http://www.hp.com/products1/unix/java/infolibrary/prog_guide/JNI_java2.html#supportC++ under the heading "Support for C++ applications built with -AA and -AP options (PA-RISC)" for more information.
When using OSJI, it is possible for the Java heap and ObjectStore's persistent storage region (PSR) to interfere with each other. In such case, applications may fail with the following error:
No handler for exception: ObjectStore internal error Fatal error Invalid argument(errno = 22)mmap failed: _Mmap_node::mmap addr 50000000, len 0xc000000, prot 0, share 37, fd 8, off 0 (err_internal)
One possible workaround is to limit the size of the heap that Java uses with the
-Xmx option. Please see
http://www.hp.com/products1/unix/java/infolibrary/prog_guide/expanding_memory.html#memory
for details. Testing has shown that limiting the heap to 128MB
(-Xmx128m) will work with most OSJI applications.
However, depending on your application, different Java heap sizes may be needed.
If limiting the Java heap is not a viable workaround please contact ObjectStore Technical Support.
If you are using the schema evolution API to evolve a schema, take note of the following.
There can be only a single schema evolution session created in an application,
and there cannot be any other sessions in the application. You can only call
Session.createSchemaEvolve if you have not previously called
Session.create, and you cannot call Session.create
if you have previously called Session.createSchemaEvolution.
The OSJI classes in your CLASSPATH that you are evolving must
be the new definitions of these classes, so you cannot perform persistent
operations on the database that is being evolved using these classes before
evolving the database.
Because of these requirements of OSJI schema evolution, we strongly suggest that you perform schema evolution as the only function of your schema evolution application.
SuspendThread has failed. The displayed error
will read approximately:
ObjectStore internal error SuspendThread failed for thread id NNN with error code 5 (err_internal)This will be followed by another error:
ObjectStore internal error
ObjectStore internal lock hierarchy violation:attempting lock
(name = "schema info table" level = 3000) while holding lock
(name "LLPL-lock" leel = 500). (err_internal)
The problem can be avoided by explicitly calling the
Session.getCurrent().leave() method from the given thread as it completes
its work. This method should be called for threads that explicitly
join a session and for those that implicitly join a session.
If you run the JMTL Simple RMI example as delivered, it generates a
java.lang.NullPointerException exception. In order to run this example
properly, edit the deployment descriptor file jmtl-dd.xml and
set the NumberOfMvccCaches element to
0.
If you are running the OSJI pcount example application with JDK 1.5 on UNIX platforms, you
need to set the DISPLAY environment variable. If you try to
run the demo without setting the environment variable, you may see the following error message:
Running the pcount demo.
*** doall: Begin run of pcount demo
java -Xmx128m -Xms128m -Ddb=pcount.odb com.odi.demo.pcount.OStorePersistentCounter
Exception in thread "main" java.awt.HeadlessException:
No X11 DISPLAY variable was set, but this program performed an operation which requires it.
at java.applet.Applet.(Applet.java:44)
Before you build and run the ObjectStore .NET COM Interop ASP.NET travel example, you
need to set the ASP.NET worker process to have permission to access the example
directory and example database. For more information, see the readme file
in the C:\ODI\osax\examples\travel directory.
If you are using WebLogic Server on Linux, be sure to add <bea_home>\weblogic81\server\lib\linux\i686
to your LD_LIBRARY_PATH environment variable.
If you are migrating a 6.0 application to 6.3 and the application uses anonymous enums, you may have to perform schema evolution. Use the following procedure:
ossg to generate the new
schema for the application.osscheq against
the newly generated schema and the existing database to see if schema
evolution is needed.ossevol.For information about ossg, osscheq,
and ossevol, see Managing ObjectStore. For
information about migrating applications from ObjectStore 6.0 to
ObjectStore 6.3.x, see the ObjectStore Migration Guide,
which is available on the
ObjectStore Documentation Web site.
If you are using the latest version of the AIX C++ compiler that is
supported by this release of ObjectStore (for example, AIX5) and your
application uses the packing pragma to pack a class that contains a
double as its first member, ObjectStore will generate
schema for the class that assumes a size that differs from
the class size produced by the compiler. This discrepancy will result
in a run-time error when the application allocates a persistent instance
of the class.
The AIX Visual Age compiler forces classes that have a double
as their first member to have a class size that is a multiple of 8 bytes.
But the packing pragma can be used to override this restriction, as
in the following example:
#pragma options align=packed
class foo {
public:
double d;
int i;
};
In this example, the AIX Visual Age compiler will produce instances
of foo that are 12 bytes in size. But ObjectStore's
schema-generation utility, ossg, will generate schema for
foo that incorrectly assumes a size of 16 bytes.
This discrepancy will result in a run-time error when the application
attempts to allocate a persistent instance of foo.
The workaround is either to remove the pragma (in most cases,
not a viable solution) or to order members of the class so that a
double is not its first member, as in the following revision
of foo:
#pragma options align=packed
class foo {
public:
int i;
double d;
};
In this case, ossg will generate schema for
the class that agrees with the AIX Visual Age compiler
about the alignment (8 bytes) and the size (12 bytes).
This restriction will be lifted in a future release of ObjectStore.
On AIX platforms, there is a known problem with inheritance hierarchies that involve the following:
ossg schema generator cannot generate schema,
contact Technical Support.
ossg can also fail
to generate schema for inheritance hierarchies of more than two levels of
virtual inheritance without repeated instances or virtual functions
when neutralizing against the all32 architecture set.
If you are running the CMTL BankServer example on Windows 2003, you may need to alter the Identity settings for the BankServer COM+ Application. Security settings and policy on your local machine may affect which users have the correct identity and privilege to launch certain COM+ Applications.
The directory <install_dir>\osax\doc contains
documentation for an obsolete ObjectStore component named ActiveX Interface for
ObjectStore.
The Windows control panel (Settings -> Control Panel -> Administrative
Tools -> Services) incorrectly identifies the version number
of the ObjectStore server and cache manager as R6.0.
The correct version number of both services is R6.3.
The following sections provide license information for third-party products used in ObjectStore.
Sun RPC is a product of Sun Microsystems, Inc. and is provided for unrestricted use provided that this legend is included on all tape media and as a part of the software program in whole or part. Users may copy or modify Sun RPC without charge, but are not authorized to license or distribute it to anyone else except as part of a product or program developed by the user.
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Sun RPC is provided with no support and without any obligation on the part of Sun Microsystems, Inc. to assist in its use, correction, modification or enhancement.
SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC OR ANY PART THEREOF.
In no event will Sun Microsystems, Inc. be liable for any lost revenue or profits or other special, indirect and consequential damages, even if Sun has been advised of the possibility of such damages.
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Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
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License to copy and use this software is granted provided that it is identified as the "RSA Data Security, Inc. MD5 Message-Digest Algorithm" in all material mentioning or referencing this software or this function.
License is also granted to make and use derivative works provided that such works are identified as "derived from the RSA Data Security, Inc. MD5 Message-Digest Algorithm" in all material mentioning or referencing the derived work.
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