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    <title>Mojang Studios Jira</title>
    <link>https://bugs.mojang.com</link>
    <description>This file is an XML representation of an issue</description>
    <language>en</language>    <build-info>
        <version>9.12.2</version>
        <build-number>9120002</build-number>
        <build-date>10-01-2024</build-date>
    </build-info>


<item>
            <title>[MC-1241]  Spider climbing position client-server desync</title>
                <link>https://bugs.mojang.com/browse/MC-1241</link>
                <project id="10400" key="MC">Minecraft: Java Edition</project>
                    <description>&lt;p&gt;What I expected to happen was: The spider would stay up against the ceiling.&lt;br/&gt;
What actually happened was: The spider appeared to drift down and could not be hit.&lt;/p&gt;

&lt;p&gt;The spider starts to track the player and climbs up the wall. After the spider climbs up to the ceiling, it will sometimes seem to drift down while frozen, but it is not able to be attacked or moved through an opening in the wall. It will then snap back to its original position against the ceiling, and the process randomly repeats.&lt;br/&gt;
This only occurs when the player cannot directly see the spot against the ceiling where the spider is supposed to be.&lt;/p&gt;

&lt;p&gt;To reproduce:&lt;br/&gt;
1. Build the wall seen in the photo, with a lip (acting as a ceiling) on one side.&lt;br/&gt;
2. Stand on the side without the lip.&lt;br/&gt;
3. On the other side the doorway, spawn a spider.&lt;br/&gt;
4. Attack it to make it track you.&lt;br/&gt;
5. When it moves down from the lip, attempt to hit it.&lt;/p&gt;</description>
                <environment></environment>
        <key id="12560">MC-1241</key>
            <summary> Spider climbing position client-server desync</summary>
                <type id="1" iconUrl="https://bugs.mojang.com/secure/viewavatar?size=xsmall&amp;avatarId=18903&amp;avatarType=issuetype">Bug</type>
                                    <status id="5" iconUrl="https://bugs.mojang.com/images/icons/statuses/resolved.png" description="A resolution has been taken, and it is awaiting verification by reporter. From here issues are either reopened, or are closed.">Resolved</status>
                    <statusCategory id="3" key="done" colorName="success"/>
                                    <resolution id="5">Cannot Reproduce</resolution>
                                        <assignee username="-1">Unassigned</assignee>
                                    <reporter username="pcplague">PcPlague</reporter>
                        <labels>
                            <label>climbing</label>
                            <label>spider</label>
                            <label>wall</label>
                    </labels>
                <created>Mon, 29 Oct 2012 22:59:18 +0100</created>
                <updated>Mon, 4 Feb 2019 08:01:13 +0100</updated>
                            <resolved>Sun, 17 Jul 2016 00:41:12 +0200</resolved>
                                    <version>Minecraft 1.4.2</version>
                    <version>Minecraft 1.4.6</version>
                    <version>Minecraft 1.4.7</version>
                    <version>Minecraft 1.5</version>
                    <version>Minecraft 1.6.2</version>
                    <version>Minecraft 1.8.9</version>
                                                                        <votes>22</votes>
                                    <watches>5</watches>
                                                                            <comments>
                            <comment id="516787" author="farogaming" created="Mon, 4 Feb 2019 08:01:13 +0100"  >&lt;p&gt;That&apos;s not what this report is about, you&apos;re talking about &lt;a href=&quot;https://bugs.mojang.com/browse/MC-4&quot; title=&quot;Item drops sometimes appear at the wrong location&quot; class=&quot;issue-link&quot; data-issue-key=&quot;MC-4&quot;&gt;MC-4&lt;/a&gt;. And yes, that one still exists and is already confirmed for every version imaginable. And before you comment there: No, it will probably not be fixed soon, because the only good solutions found so far create more data to be sent and therefore make bad connections worse.&lt;/p&gt;</comment>
                            <comment id="516766" author="edwardos" created="Mon, 4 Feb 2019 02:37:10 +0100"  >&lt;p&gt;I could, but with my Internet speeds that grain of &quot;proof&quot; would be online after 3 times as much effort as anybody else who can break bookshelves in a stronghold room. Anybody who has Minecraft and is reading this - I &lt;em&gt;&lt;b&gt;dare you&lt;/b&gt;&lt;/em&gt; to slow down the ping slightly and throw items just on the edge of cobwebs. The game seems to think that items are simultaneously on and not on cobwebs and tries to make up for its embarrassing confusion.&lt;/p&gt;</comment>
                            <comment id="516672" author="farogaming" created="Sun, 3 Feb 2019 13:03:56 +0100"  >&lt;p&gt;Can you make a video?&lt;/p&gt;</comment>
                            <comment id="516658" author="edwardos" created="Sun, 3 Feb 2019 07:37:43 +0100"  >&lt;p&gt;Resolved? Give me a break. Break some bookshelves in a stronghold that has a lot of cobwebs. That&apos;ll reproduce it. If that still doesn&apos;t work, do it in a Java Realm.&lt;/p&gt;</comment>
                            <comment id="320080" author="__null" created="Fri, 8 Jul 2016 19:44:00 +0200"  >&lt;p&gt;Cannot reproduce in &lt;font color=&quot;#600&quot;&gt;&lt;b&gt;1.10.2&lt;/b&gt;&lt;/font&gt;. The spider walks around the wall (in the screenshot), and if I trap it in a box with 1-wide holes, the issue still doesn&apos;t occur.&lt;/p&gt;</comment>
                            <comment id="312561" author="farogaming" created="Fri, 10 Jun 2016 21:30:49 +0200"  >&lt;p&gt;I can&apos;t confirm in 1.10.&lt;/p&gt;</comment>
                            <comment id="284376" author="edwardos" created="Thu, 11 Feb 2016 01:31:08 +0100"  >&lt;p&gt;Hey guys. I know this bug well. I can&apos;t really remember a patch in which this didn&apos;t happen, and it still happens to me this day - even in the newest possible versions you can currently get without using a snapshot. Yes. 1.8.9. It&apos;s also very annoying when trying to get wood from the top of trees, because it totally looks like the broken logs are within reach when they definitely aren&apos;t.&lt;/p&gt;</comment>
                            <comment id="204957" author="galaxy_2alex" created="Fri, 24 Oct 2014 19:34:52 +0200"  >&lt;p&gt;Is this still a concern in the &lt;em&gt;current Minecraft version&lt;/em&gt; &lt;b&gt;1.8.1 Prerelease 3&lt;/b&gt; / Launcher version &lt;b&gt;1.5.3&lt;/b&gt; or later? If so, please &lt;em&gt;update the affected versions&lt;/em&gt; in order to best aid Mojang ensuring bugs are still valid in the latest releases/pre-releases.&lt;/p&gt;</comment>
                            <comment id="167443" author="marykaye" created="Tue, 24 Jun 2014 19:40:29 +0200"  >&lt;p&gt;This still happens in 1.7.9.  I have also seen it happen with a cow that spawned very high up on a block jutting out of a vertical cliff.  The cow would appear to fall to the ground at the base of the cliff and then displace back up to its starting point.  But it seems to happen much more often with spiders.&lt;/p&gt;</comment>
                            <comment id="142314" author="ezekielelin" created="Fri, 21 Feb 2014 21:17:16 +0100"  >&lt;p&gt;Is this still a concern in the latest Minecraft version &lt;b&gt;14w08a&lt;/b&gt;? If so, please update the affected versions in order to best aid Mojang ensuring bugs are still valid in the latest releases/pre-releases.&lt;/p&gt;</comment>
                            <comment id="128875" author="zacloud" created="Sat, 4 Jan 2014 07:19:32 +0100"  >&lt;p&gt;Still an issue in 1.7.2, creating lots of frustration and futile button-mashing whenever encountering spiders. Can&apos;t test for 1.7.4 cuz it&apos;s so broken I just can&apos;t stand to use it anymore.&lt;/p&gt;</comment>
                            <comment id="91027" author="nate_dawww" created="Sun, 14 Jul 2013 20:16:08 +0200"  >&lt;p&gt;Still an issue in 1.6.2.&lt;/p&gt;</comment>
                            <comment id="30754" author="bljat" created="Tue, 25 Dec 2012 19:32:10 +0100"  >&lt;p&gt;Confirmed in 1.4.6. Clarified summary.&lt;/p&gt;</comment>
                            <comment id="15234" author="worldmaster" created="Mon, 29 Oct 2012 23:50:44 +0100"  >&lt;p&gt;Yep. I can confirm this bug, same here.&lt;br/&gt;
But i think, in 1.4.2 it is a bit better than in 1.3.2.&lt;br/&gt;
I experienced this bug a lot in my SSP World in 1.3.2 ^^&lt;/p&gt;</comment>
                            <comment id="15231" author="frebib" created="Mon, 29 Oct 2012 23:36:32 +0100"  >&lt;p&gt;Isn&apos;t this due to the client not receiving mob updates from the emulated server so assuming it has fallen? This bug similarly affects other mobs with wandering through fences and such!&lt;/p&gt;</comment>
                    </comments>
                <issuelinks>
                            <issuelinktype id="10102">
                    <name>Duplicate</name>
                                                                <inwardlinks description="is duplicated by">
                                        <issuelink>
            <issuekey id="18010">MC-5407</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="12627">MC-1304</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="12662">MC-1336</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="13511">MC-2119</issuekey>
        </issuelink>
                            </inwardlinks>
                                    </issuelinktype>
                            <issuelinktype id="10103">
                    <name>Relates</name>
                                            <outwardlinks description="relates to">
                                        <issuelink>
            <issuekey id="20285">MC-7489</issuekey>
        </issuelink>
                            </outwardlinks>
                                                                <inwardlinks description="relates to">
                                        <issuelink>
            <issuekey id="14372">MC-2608</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="17526">MC-4968</issuekey>
        </issuelink>
                            </inwardlinks>
                                    </issuelinktype>
                    </issuelinks>
                <attachments>
                            <attachment id="11395" name="2012-10-29_17.28.08.png" size="108931" author="pcplague" created="Mon, 29 Oct 2012 22:59:18 +0100"/>
                            <attachment id="11396" name="2012-10-29_17.28.31.png" size="130735" author="pcplague" created="Mon, 29 Oct 2012 22:59:18 +0100"/>
                            <attachment id="11397" name="2012-10-29_17.28.46.png" size="226426" author="pcplague" created="Mon, 29 Oct 2012 22:59:18 +0100"/>
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