https://jira.opendaylight.org This file is an XML representation of an issue en-us 8.20.10 820010 22-06-2022 https://jira.opendaylight.org/browse/YANGTOOLS-528 yangtools <p>Parsing of following yang model by statement parser causes StackOverflowError due to recursive extensions definition.</p> <p>module foo {<br/> namespace "foo";<br/> prefix foo;<br/> yang-version 1;</p> <p> extension a </p> { foo:b; } <p> extension b </p> { foo:c; } <p> extension c </p> { foo:a; } <p> extension r </p> { foo:r; } <p>}</p> <p>Operating System: All<br/> Platform: All</p> YANGTOOLS-528

StackOverflowError on direct or indirect recursive extension definition

Bug Resolved Done Unassigned Peter Kajsa Mon, 12 Oct 2015 15:05:56 +0000 Sun, 10 Apr 2022 18:35:39 +0000 Wed, 19 Oct 2016 17:07:34 +0000 0 2 <p><a href="https://git.opendaylight.org/gerrit/#/c/28300/2" class="external-link" target="_blank" rel="nofollow noopener">https://git.opendaylight.org/gerrit/#/c/28300/2</a></p> <p>Reopening as the fix has been reverted in BUG-6757. Current implementation will throw an InferenceException when circular dependency is encountered.</p> <p>This is unconfirmed until we can confirm that recursive extensions are in fact allowed on the netmod mailinglist.</p> <p>Preliminary patch to resolve this in a hacky way, resulting in fully recursive definition: <a href="https://git.opendaylight.org/gerrit/47042" class="external-link" target="_blank" rel="nofollow noopener">https://git.opendaylight.org/gerrit/47042</a></p> <p>According to <a href="https://mailarchive.ietf.org/arch/msg/netmod/03sg0KRQrPZircLr_jtJZWxI_6k" class="external-link" target="_blank" rel="nofollow noopener">https://mailarchive.ietf.org/arch/msg/netmod/03sg0KRQrPZircLr_jtJZWxI_6k</a> this usage is actually used by Tail-F models.</p> <p>boron: <a href="https://git.opendaylight.org/gerrit/47084" class="external-link" target="_blank" rel="nofollow noopener">https://git.opendaylight.org/gerrit/47084</a></p> <p>Reopening for backport.</p> <p>beryllium: <a href="https://git.opendaylight.org/gerrit/47092" class="external-link" target="_blank" rel="nofollow noopener">https://git.opendaylight.org/gerrit/47092</a></p> <p>A patch was submitted to fix this bug: <a href="https://git.opendaylight.org/gerrit/47092" class="external-link" target="_blank" rel="nofollow noopener">https://git.opendaylight.org/gerrit/47092</a></p> <p>To better assess the impact of this bug and fix, we identified the severity/testing/impact in the comment at this url: <a href="https://bugs.opendaylight.org/show_bug.cgi?id=6757#c8" class="external-link" target="_blank" rel="nofollow noopener">https://bugs.opendaylight.org/show_bug.cgi?id=6757#c8</a></p> <p>Has this bug been verified as fixed in the latest Beryllium SR4 Build 20161019?</p> Development External issue ID 4456 External issue URL Issue Type ODL SR Target Milestone Rank 0|i027s7: