标准答案:If you receive an error message about the report server not responding, IBM Cognos 8 wrote a core dump (.dmp) file to the file system. Core dump files indicate a serious problem with the program, such as an unhandled exception or an IBM Cogno...
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If you receive an error message about the report server not responding, IBM Cognos 8 wrote a core dump (.dmp) file to the file system. Core dump files indicate a serious problem with the program, such as an unhandled exception or an IBM Cognos 8 process that terminated abnormally. Core dump files create a complete memory dump of the current state of the program when the problem occurs. The core file usually indicates a bug that requires a software fix.
If you see the report server not responding message, immediately check the \bin directory of the IBM Cognos 8 server installation for any core dump files. In Windows, these files are named processID.dmp, such as BIBusTKServerMain_seh_3524_3208.dmp. In UNIX, the files are named core. In Linux, the files are named core.processID.These binary files must be viewed with a debugging program such as dbx, GNU debugger, or the WinDbg debugger for Windows.
If your server administrator cannot solve the problem, contact IBM Cognos Resource Center and provide them with a test case, if possible, and the core files.
Core files can be 300 MB or more, and a new one of the same size is created each time that the problem occurs. In Windows, the files should be checked and cleaned regularly, during regular server maintenance. In UNIX and Linux, system settings can control how and when the core file is written to the file system when a process abnormally terminates.
In Windows, you can use a configuration file to turn off the creation of .dmp files. In a production environment, you can then enable core dumps when you encounter problems. Because not all problems are easy to reproduce, core file creation should be enabled in your testing and development environment so that you can use them.
With some IBM Cognos 8 hotsite builds, core dump files are automatically created. The configuration file that controls this setting is different for IBM Cognos 8.1 MR1 and later versions of the product . During an upgrade, configuration settings are not overwritten.
Steps to Turn Off Core File Creation for IBM Cognos 8.1 MR1
1,On the server where IBM Cognos 8 is installed, open the rsvpproperties.xml file from the c8_location\configuration directory.
2,Change the Win32StructuredExceptionHandling property to 0 (zero) so that it reads
Win32StructuredExceptionHandling03,Save the file.
Steps to Turn Off Core File Creation for IBM Cognos 8.1 MR2 and Later Versions
1,On the server where IBM Cognos 8 is installed, open the cclWin32SEHConfig.xml file from the c8_location\configuration directory.
2,In the configuration element, change the value of the environment variable setting to 0 (zero) so that it reads
3,Save the file.
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