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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-400] Invisible blocks in multiplayer</title>
                <link>https://bugs.mojang.com/browse/MCPE-400</link>
                <project id="10200" key="MCPE">Minecraft (Bedrock codebase)</project>
                    <description>&lt;p&gt;Every time i play multi player with a friend or something the blocks places and the blocks are altered to something else. If there is a mountain in the host map, the person who is with me playing multiplayer cant see it. I tried everything to try to solve it like reinstalling and stuff.And if there is a mountain in the host game, and the person who is not hosting cant see it, they just walk through it and lose half a heart of damage for each second. Oh yeah its survival by the way. And it only happens to my main world. If i make a new map it is solved but i dont want to make a new one.&lt;/p&gt;</description>
            <key id="11523">MCPE-400</key>
            <summary>Invisible blocks in multiplayer</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="3">Duplicate</resolution>
                                            <reporter username="xmithos">Brian Guardado</reporter>
                        <labels>
                            <label>multiplayer</label>
                            <label>world</label>
                    </labels>
                <created>Thu, 25 Oct 2012 01:14:06 +0200</created>
                <updated>Wed, 6 May 2015 09:37:26 +0200</updated>
                            <resolved>Wed, 13 Feb 2013 22:01:52 +0100</resolved>
                                    <version>0.4.0</version>
                                                                        <votes>0</votes>
                                    <watches>1</watches>
                                                                            <comments>
                            <comment id="18750" author="do" created="Tue, 6 Nov 2012 09:32:01 +0100"  >&lt;p&gt;Got it, went ahead and reopened this.&lt;/p&gt;</comment>
                            <comment id="18749" author="degussa" created="Tue, 6 Nov 2012 09:25:04 +0100"  >&lt;p&gt;I&apos;m deleting the link to &lt;a href=&quot;https://bugs.mojang.com/browse/MCPE-344&quot; title=&quot;Invisible walls in mulitiplayer on superflat map&quot; class=&quot;issue-link&quot; data-issue-key=&quot;MCPE-344&quot;&gt;&lt;del&gt;MCPE-344&lt;/del&gt;&lt;/a&gt;. Even though the result is the same, the causes are different in those two cases.&lt;/p&gt;</comment>
                            <comment id="14570" author="degussa" created="Sun, 28 Oct 2012 02:47:47 +0200"  >&lt;p&gt;This is unfortunately no &quot;weird bug&quot;, it&apos;s just the level that&apos;s become a bit corrupt. The problem is that the seed has for some reason been written incorrectly, and for as long as we have seed-based client generation (I&apos;ve some plans on changing it), it wont fix itself. Unfortunately there is no perfect solution to worlds like this (unless you know the exact seed), but a few non-optimal ones. For instance, one &quot;solution&quot; is to send it back and forth between two devices, both times choosing &quot;Quit and copy map&quot;. Then the map will look like the rightmost screenshot for all players (if you have any way of choosing seed, you could probably find one that looks good, since all buildings are saved). In current nor next update, there is no way to &quot;fix&quot; those worlds ingame. Next update will hopefully make levels slightly more robust however, but that ain&apos;t helping your world.&lt;/p&gt;</comment>
                            <comment id="14560" author="xmithos" created="Sun, 28 Oct 2012 01:56:08 +0200"  >&lt;p&gt;Everytime we play multiplayer it happens when the joiner joins.&lt;/p&gt;

&lt;p&gt;When i make a new world with a new seed the bug is gone. And i only used the bugged map since 0.3.0&lt;/p&gt;


&lt;p&gt;The problem is that there is extra terrain that the joiner is not supposed to see because its not in the real world.Like if it generated wrong when he joiner joined.&lt;br/&gt;
In 0.3.0, multiplayer worked perfectly for a while but after a while in 0.3.3, and 0.4.0 it started to act weird and buggy.&lt;/p&gt;</comment>
                            <comment id="14547" author="troyp" created="Sun, 28 Oct 2012 00:53:06 +0200"  >&lt;p&gt;I created a seed &quot;Mithos Territory&quot; and hosted it. Both server/clients can see each other, and can see whatever is being built. Mind you, it was created on 0.4.0. I&apos;m not sure if 0.3.0 has something to do with it. Hopefully one of the devs will have more insight into this problem.&lt;br/&gt;
Is the problem consistent? Is it only happening on this seed? Do other seeds work ok? How about other 0.3.0 and 0.4.0 maps? Just trying to see if there is any pattern.&lt;/p&gt;</comment>
                            <comment id="14529" author="xmithos" created="Sat, 27 Oct 2012 23:35:27 +0200"  >&lt;p&gt;Yes we can see each other build and walk. Its just that the person who join, the world generates a bit different than it supposed to.&lt;/p&gt;

&lt;p&gt;The original name of the world is Mithos Territory&lt;/p&gt;</comment>
                            <comment id="14497" author="troyp" created="Sat, 27 Oct 2012 21:43:12 +0200"  >&lt;p&gt;FYI, I just hosted a 0.3.0 map on iPad, and the host/server could see what each person was building. This may be a seed related problem. Does the server see the hosts walking around them?&lt;/p&gt;</comment>
                            <comment id="14490" author="troyp" created="Sat, 27 Oct 2012 21:30:25 +0200"  >&lt;p&gt;If you leave the seed name blank, the name you assign the game will be the seed name.&lt;/p&gt;</comment>
                            <comment id="14486" author="xmithos" created="Sat, 27 Oct 2012 20:49:44 +0200"  >&lt;p&gt;The photos is in the attachment settings&lt;/p&gt;</comment>
                            <comment id="14485" author="xmithos" created="Sat, 27 Oct 2012 20:49:13 +0200"  >&lt;p&gt;The first photo with the iron sword is the correct way the world is supposed to be, and only the hosts see it like that.&lt;/p&gt;

&lt;p&gt;The second photo with only his hand showing is the second player who joined. That &quot;Invisible mountain/wall&quot; is around the whole world.&lt;br/&gt;
The host and joiner sees the same world differenty.&lt;/p&gt;</comment>
                            <comment id="13625" author="xmithos" created="Thu, 25 Oct 2012 23:24:51 +0200"  >&lt;p&gt;Im not 100% sure but i think the seed was called Mithos or i left it blank.&lt;/p&gt;

&lt;p&gt;&lt;a href=&quot;https://bugs.mojang.com/browse/MCPE-344&quot; title=&quot;Invisible walls in mulitiplayer on superflat map&quot; class=&quot;issue-link&quot; data-issue-key=&quot;MCPE-344&quot;&gt;&lt;del&gt;MCPE-344&lt;/del&gt;&lt;/a&gt;, is similar but the invisible blocks/wall doesnt go away it stays there. If there is a mountain infront of me, i can&apos;t walk through it, but the other person can walk through it but he losses half a heart each second he stays there.&lt;/p&gt;

&lt;p&gt;And yes it was created before 0.4.0, it was created around thee release of 0.3.0&lt;br/&gt;
Ill post screen shots tomorrow to show the glitch/bug.&lt;/p&gt;</comment>
                            <comment id="13222" author="do" created="Thu, 25 Oct 2012 16:19:42 +0200"  >&lt;p&gt;Possible duplicate of &lt;a href=&quot;https://bugs.mojang.com/browse/MCPE-344&quot; title=&quot;Invisible walls in mulitiplayer on superflat map&quot; class=&quot;issue-link&quot; data-issue-key=&quot;MCPE-344&quot;&gt;&lt;del&gt;MCPE-344&lt;/del&gt;&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;Brian, please take a look at &lt;a href=&quot;https://bugs.mojang.com/browse/MCPE-344&quot; title=&quot;Invisible walls in mulitiplayer on superflat map&quot; class=&quot;issue-link&quot; data-issue-key=&quot;MCPE-344&quot;&gt;&lt;del&gt;MCPE-344&lt;/del&gt;&lt;/a&gt; and let me know if you think it&apos;s the same issue.&lt;/p&gt;

&lt;p&gt;Also, was your world originally created in an older version of MCPE (pre-0.4.0)?&lt;/p&gt;</comment>
                            <comment id="12975" author="troyp" created="Thu, 25 Oct 2012 07:04:28 +0200"  >&lt;p&gt;What is the name of the seed you are using?&lt;/p&gt;</comment>
                            <comment id="12716" author="xmithos" created="Thu, 25 Oct 2012 01:15:00 +0200"  >&lt;p&gt;I will post screen shots this weekend of both screens.&lt;/p&gt;</comment>
                    </comments>
                <issuelinks>
                            <issuelinktype id="10102">
                    <name>Duplicate</name>
                                            <outwardlinks description="duplicates">
                                        <issuelink>
            <issuekey id="16028">MCPE-847</issuekey>
        </issuelink>
                            </outwardlinks>
                                                        </issuelinktype>
                    </issuelinks>
                <attachments>
                            <attachment id="11180" name="photo-1.PNG" size="382651" author="xmithos" created="Sat, 27 Oct 2012 20:49:13 +0200"/>
                            <attachment id="11181" name="photo-2.PNG" size="304602" author="xmithos" created="Sat, 27 Oct 2012 20:49:13 +0200"/>
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