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InfoSphere Business Glossary Web App - Session status updates
IRS uses Microsoft Internet Explorer 11 as the default web browser. IRS has a large set of managed metadata resulting in large XML files generated to export and import content. While attempting to import a large metadata XML file that may take over 1hr to process, IRS receives and "Undefined Error Message" at exactly the 1hr mark. Analysis by IRS-UNS network personnel have identified the cause of the issue to be a lack of communication (status updates) between a client web browser and the application server. Specifically, during import, analysis of network traffic shows the large XML file is successfully uploaded to the server, however, the server does not respond with a traditional "200 ok" message, nor does the application server provide any additional status updates. IRS request IBM update software to resolve this issue. The following may be necessary: 1) Server should send "200 ok" confirmation message back to client browser after upload of import file is successful and validated. 2) Server should send status updates messages to the client web browser, similar to the communication that occurs between ISTools and Application server during an import of metadata (see attached "IRS-UNS IBM InfoSphere Undefined Error Message.pdf" document) 3) IBM needs to include a patch to update IBM InfoSphere 9.x, 11.x and incorporate the code fix permanently into future versions of the software.
Brief history: 03/02/2016 - IBM replicated the reported issue using IE 11 browser. This was with the IE timeout / settings for ReceiveTimeout set to 60 minutes. This was based on Microsoft technote https://support.microsoft.com/en-us/kb/181050 IBM set the IE timeout to 24 hours and noted that the import completed in 3 - 4 hours as noted by the IE browser window refreshing showing the statistics on what was imported.
IBM support is in the process of providing these details to the IBM development team for review.
02/24/2016 1. IBM was able to duplicate web application â€œUndefined Error Messageâ€ using Internet Explorer (IE). IBM accomplished this by modifying IE, adding a â€œReceiveTimeout DWordâ€ entry to the registry with a value corresponding to 30 seconds. 2. IBM (Littrell/Eku) will conduct a second test involving a two tier environment (application server, database server), using a pc that will have default IE browser settings (60min timeout). This will allow IBM to create an authentic, duplication of the error IRS is receiving. 3. IBM will provide detailed information about their test application server specifications (operating system, cpu configuration, memory, etcâ€¦) 4. IRS will send IBM test files and step by step test instructions (see attached file: Test Plan - IBM Infosphere Information Server.pdf) 5. IBM advised Mary (IBM engineer), used Mozilla Firefox browser to conduct previous import test. 6. IBM advised IRS to open a request for product enhancement to address identified short comings. The following were discussed: a. Why produce enhancement vs product defect: IBM â€“ Grey area. Advised this is the best process to present to IBM management / decision makers. Once reviewed by IBM management, it may be classified as a product enhancement or product defect. b. Timeframe associated with implementation: IBM â€“ Unknown. Maybe a few weeks to a few months. Depends on complexity of the request and testing schedule c. Applied to version 9.1.2, 11.5 and future versions: IBM â€“ Yes, but the method may vary from a patch to integration directly into future releases. d. Process: IBM â€“ Provided link in 02/17/16 email to the product enhancement site. Recommend IRS provide detailed description of issue, impact, urgency and reference current PMR. e. IRS will also include summary of findings as prepared by Barry Constantine (IRS â€“ UNS Networks)
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