Access Violation in RB

rbuser

I have just started using the Enterprise edition, and I am getting AV's when
changing between preview/design/calc mode. The AV is more likely to appear
when some changes have been applied to the report. I can reproduce this by
doing some changes, and then start flipping between the tabs, at some point
the AV is raised. This is the AV Message:

Access violation at address 40005F4A in module 'rtl70.bpl'. Read of address
2320726B.

After having pressed OK (10 to 20 times) to the AV's everything seems to
work ok...

Petter
D7 (all updates), WinXP (SP2), RB7.04 Enterprise

nardmoseley

1. You may have a corrupt installation. Particularly if you are seeing this
after updating. Follow the steps in the article below.

2. There is a known issue that appears intermittently when using RAP
event-handlers. There is a destroy bug that appears primarily when a large
number of RAP event-handlers are used in the report. We have a patch
available for RB 7.04 that fixes the issue. Email
support@digital-metaphors.com to request the patch.

(When a report is previewed that contains RAP event-handlers the report is
saved to stream and restored from stream when the report is finished
previewing. Thus the report is destroyed and recreated - so you may be
experiencing this error.)

--------------------------------------------
Article: Cleaning up a Corrupt Installation
--------------------------------------------

If you have been advised by Digital Metaphors technical support that you may
have a corrupt installation, or if you are having difficulty installing,
compiling or running applications after a ReportBuilder install, then it may
be necessary to manually remove all ReportBuilder files from your system.
Corrupt installations usually result when you are installing over a previous
version of ReportBuilder which was not installed into the default directory,
which was recompiled from the source, or when ReportBuilder files were
manually moved from the default install location. Cleaning up a corrupt
installation, consists of locating all ReportBuilder related files, and
deleting them from your system. The first step is to use the uninstall
program to remove as much of ReportBuilder as possible.


Run the uninstall program

1. Exit Delphi, and all other applications. You should have no applications
running except the uninstall, otherwise you may lose some of your work.

2. Select Start | Settings | Control Panel from your Windows desktop.

3. Double-click the Add/Remove programs icon.

4. Locate the version of ReportBuilder you wish uninstall and double-click
it.

5. The first page of the Uninstall Wizard allows you to choose between an
Automatic or Custom uninstall. Choose Custom and click the Next button.

6. Click the Select All button, then the Next button. Repeat these steps
until you reach the last page of the wizard.

7. Click the Finish button. All of the items you selected will be removed
from the system.

8. After all the ReportBuilder files are removed, you may be prompted to
reboot the system. If this is the case, reboot the system.


Delete the ReportBuilder root directory (and all subdirectories)

1. Using the Windows Explorer, locate the ReportBuilder root directory. The
default directory is:

C:\Program Files\Borland\DelphiX\RBuilder

2. Once you have located this directory, inspect it. If you have any custom
work in this directory which you would like to keep, move it to another
directory.

3. Delete the ReportBuilder root directory.


Delete all remaining ReportBuilder files

1. Using the Windows Explorer, search the entire hard drive for all
occurrences of:

dclRB*.bpl
dclRB*.dcp
rb*.bpl
rb*.dcp

2. Delete any occurrences which correspond to the version you are removing.
All packages are named with the convention NN, where the first number
is the ReportBuilder version and the second number is the Delphi version.
Thus, a typical package name for Delphi 5 would be rbRCL45.bpl. The same
package for Delphi 4 would be: rbRCL44.bpl. Check Installing ReportBuilder
for a list of the packages associated with each version.

3. Using the Windows Explorer, search your hard drive for all occurrences
of:

pp*.*
da*.*
ra*.*

4. These are the prefixes used by individual ReportBuilder units. 'pp' is
used for ReportBuilder units, 'da' is used for DADE units, and 'ra' is used
for RAP units. Depending on which ReportBuilder you have (Standard,
Professional or Enterprise) you may not have all of these unit types.



Additional Notes

1. Never have Delphi running when installing ReportBuilder.

2. All ReportBuilder related files should be stored in the root directory
$(DELPHI)\RBuilder.

3. All ReportBuilder run-time packages should be stored in the
Windows\System directory.

4. You should never have ReportBuilder files in Delphi\Lib, Delphi\Bin or
Delphi\Projects\Bpl.

--
Tech Support mailto:support@digital-metaphors.com
Digital Metaphors http://www.digital-metaphors.com


--
Nard Moseley
Digital Metaphors Corporation
www.digital-metaphors.com

rbuser

Thanks,

I will try the "corrupt installation" method since in my case I get the
problem with only one event handler.

Petter

rbuser

Hi,

Suggested solution "Cleaning up a Corrupt Installation" seems to have
worked, I have been working with the reports a couple of days now, and the
problem has disapeared. Thanks for your help.

Petter