| Ticket UUID: | 2890743 | |||
| Title: | comm crashes on large amount of data from server | |||
| Type: | Bug | Version: | None | |
| Submitter: | Created on: | 2009-11-02 15:22:49 | ||
| Subsystem: | comm | Assigned To: | andreas_kupries | |
| Priority: | 5 Medium | Severity: | ||
| Status: | Closed | Last Modified: | 2009-11-05 00:52:35 | |
| Resolution: | Fixed | Closed By: | andreas_kupries | |
| Closed on: | 2009-11-04 17:52:35 | |||
| Description: |
Since Tcl 8.0, using lindex and lreplace forces comm to have received a well-formed list from the comm server. If there is a large amount of data from the server, it is possible that the list does not become well-formed before running up against memory constraints resulting in a crash. | |||
| User Comments: |
andreas_kupries added on 2009-11-05 00:52:35:
allow_comments - 1 andreas_kupries added on 2009-11-05 00:52:34: Committed to head, version of comm bumped to 4.6.1. andreas_kupries added on 2009-11-04 22:48:53: Thanks for the feedback, and glad to know that it seems to work in your environment as well. I will commit the change ASAP, hopefully today. added on 2009-11-04 22:03:59: Downloaded and installed the patch and reran the scenario that caused the crash. The patch appears to fix the problem. andreas_kupries added on 2009-11-03 05:09:07: Added a patch for comm.tcl which replaces lindex/lreplace with Word0, a procedure emulating the 'lindex <list> 0' behaviour pre Tcl 8. I.e. takes the first word of a list, assuming that this word is well-formed, the remainder of the list does not have to be well-formed. Passes comm's testsuite. Please check in your environment as well. andreas_kupries added on 2009-11-03 05:07:40: File Deleted - 349266: andreas_kupries added on 2009-11-03 05:07:29: File Added - 349266: word_fix.patch andreas_kupries added on 2009-11-03 05:07:25: File Added - 349264: word_fix.patch andreas_kupries added on 2009-11-03 05:05:07: File Added - 349262: word.tcl andreas_kupries added on 2009-11-03 05:04:24: File Added - 349261: testword.tcl | |||
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