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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>
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<item>
            <title>[MCPE-7829] Multiplayer minecart reverses course</title>
                <link>https://bugs.mojang.com/browse/MCPE-7829</link>
                <project id="10200" key="MCPE">Minecraft (Bedrock codebase)</project>
                    <description>&lt;p&gt;Multiplayer clients riding minecarts on long tracks periodically reverse course, at same locations. &lt;/p&gt;

&lt;p&gt;My steps to reproduce (note: I have a track over 7000 squares long, which is the only one I&apos;ve tested it on. You might not require such extreme length to reproduce the bug, but I can&apos;t guarantee that. I&apos;m happy to provide you with my world (currently 500mb).  &lt;/p&gt;

&lt;p&gt;1. Build track with twists, turns, hills, etc. Convoluted course as issue does not occur on straights. &lt;br/&gt;
2. Must connect to multiplayer mode on another device. (Currently hosted on an iPad retina, iOS 8.1.2. When local on server, does not reproduce. Must connect to another phone, pad or tablet server. &lt;br/&gt;
3. Connect with client, start at beginning of track and ride. (Does not repro if you start/restart near the reverse point. &lt;br/&gt;
4. Observe minecart reverse at the same point over and over as long as minecart start is from same location. Minecart also gets &quot;stuck&quot; in a reverse jiggle loop. &lt;br/&gt;
5. If you immediately destroy minecart, minecart is found in location it WOULD HAVE BEEN if it had not reversed. &lt;br/&gt;
6. Watch client&apos;s minecart from server. Minecart will not appear to reverse, even though client user reverses. &lt;br/&gt;
7. Expected behaivor cart should not reverse course. &lt;/p&gt;

&lt;p&gt;&lt;a href=&quot;http://youtu.be/H__QOrt6MTQ&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;http://youtu.be/H__QOrt6MTQ&lt;/a&gt; or &lt;br/&gt;
&lt;a href=&quot;https://www.youtube.com/watch?v=H__QOrt6MTQ&amp;amp;feature=youtu.be&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://www.youtube.com/watch?v=H__QOrt6MTQ&amp;amp;feature=youtu.be&lt;/a&gt;&lt;/p&gt;</description>
            <key id="105224">MCPE-7829</key>
            <summary>Multiplayer minecart reverses course</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="1">Fixed</resolution>
                                            <reporter username="skybolt@gmail.com">rob cooper</reporter>
                        <labels>
                    </labels>
                <created>Fri, 23 Jan 2015 20:40:47 +0100</created>
                <updated>Wed, 10 May 2017 09:05:29 +0200</updated>
                            <resolved>Mon, 19 Oct 2015 13:19:58 +0200</resolved>
                                    <version>0.10.4</version>
                                    <fixVersion>0.12.3</fixVersion>
                                                        <votes>3</votes>
                                    <watches>6</watches>
                                                                            <comments>
                            <comment id="255936" author="wenlockburton" created="Fri, 16 Oct 2015 21:46:33 +0200"  >&lt;p&gt;No further occurrances here so far&lt;/p&gt;</comment>
                            <comment id="255837" author="missmarzenia" created="Fri, 16 Oct 2015 16:29:19 +0200"  >&lt;p&gt;Cleaning up old issues. If this bug still occurs in latest version, please leave a comment so we can reopen. &lt;/p&gt;</comment>
                            <comment id="239305" author="wenlockburton" created="Sun, 2 Aug 2015 12:47:51 +0200"  >&lt;p&gt;Oops , forgot, OS is Android Jellybean on both devices&lt;/p&gt;</comment>
                            <comment id="239300" author="wenlockburton" created="Sun, 2 Aug 2015 12:39:06 +0200"  >&lt;p&gt;Also my track is a long straight one.  I find dropped carts and carts on the tracks, hitting a cart reverses mine.  Ive brocken the cart and gone on foot to break the  one i hit and on at least one occasion  suddenly found myself riding a cart in the opposite direction.&lt;/p&gt;

</comment>
                            <comment id="239288" author="wenlockburton" created="Sun, 2 Aug 2015 12:18:42 +0200"  >&lt;p&gt;I&apos;m actually getting this in single  player on a Samsung Galaxy Tab 2 and Galaxy 2 phone running 0.11.1.  It tends to result  in picking up carts up and down  the track.  My inventory fills up with minecarts.&lt;/p&gt;
</comment>
                            <comment id="232045" author="aman4700" created="Tue, 23 Jun 2015 20:52:19 +0200"  >&lt;p&gt;Does this still apply in 0.11.1?&lt;/p&gt;</comment>
                            <comment id="217144" author="shoghicp" created="Mon, 26 Jan 2015 21:56:48 +0100"  >&lt;p&gt;Ok, thanks!&lt;/p&gt;

&lt;p&gt;This seems like a server-client desync. issue.&lt;br/&gt;
We will try to work on this later, thanks for the report!&lt;/p&gt;</comment>
                            <comment id="217140" author="skybolt@gmail.com" created="Mon, 26 Jan 2015 21:38:28 +0100"  >&lt;p&gt;The minecart didn&apos;t drop on its own after reversing direction, however once I destroyed it I was able to get it, but not in the location where I destroyed it. The dropped minecart is located approximately where the minecart would have been if it hadn&apos;t reversed direction. See the video link above for where the destroyed minecart actually drops. I could probably send it to you as a video file but it&apos;s 200+MB. &lt;/p&gt;

&lt;p&gt;Also, if I&apos;m remembering correctly, if the HOST of the game is watching the guest in the minecart drive past, the minecart does not appear to reverse direction. That is, the guest thinks it has reversed, but the host thinks it has not. That would explain why the destroyed minecart shows up where it does. &lt;/p&gt;</comment>
                            <comment id="217064" author="shoghicp" created="Mon, 26 Jan 2015 14:24:38 +0100"  >&lt;p&gt;Did the Minecart drop after getting the direction reverted?&lt;br/&gt;
Like, waiting a few seconds after it got reverted then try to break it.&lt;br/&gt;
Comment back if you got the Minecart item back or not.&lt;/p&gt;</comment>
                            <comment id="216800" author="skybolt@gmail.com" created="Fri, 23 Jan 2015 20:41:38 +0100"  >&lt;p&gt;Link to video of bug: &lt;/p&gt;

&lt;p&gt;&lt;a href=&quot;http://youtu.be/H__QOrt6MTQ&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;http://youtu.be/H__QOrt6MTQ&lt;/a&gt; or &lt;br/&gt;
&lt;a href=&quot;https://www.youtube.com/watch?v=H__QOrt6MTQ&amp;amp;feature=youtu.be&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://www.youtube.com/watch?v=H__QOrt6MTQ&amp;amp;feature=youtu.be&lt;/a&gt; &lt;/p&gt;</comment>
                    </comments>
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            <issuekey id="106069">MCPE-7930</issuekey>
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