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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>[BDS-4039] Container blocks go invisible and cause crash - only in dedicated</title>
                <link>https://bugs.mojang.com/browse/BDS-4039</link>
                <project id="11700" key="BDS">Bedrock Dedicated Server</project>
                    <description>&lt;p&gt;Hello,&lt;/p&gt;

&lt;p&gt;We&apos;ve been dealing with a weird bug since January that greatly affects our experience and we have no slightest idea what&apos;s causing it.&lt;/p&gt;

&lt;p&gt;Container blocks in random chunks suddenly become corrupted and they are rendered unusable (for hoppers and furnaces) or become invisible (for chests and shulkers). Whenever these blocks become corrupt, the server crashes and we get the following info:&lt;/p&gt;
&lt;div class=&quot;code panel&quot; style=&quot;border-width: 1px;&quot;&gt;&lt;div class=&quot;codeContent panelContent&quot;&gt;
&lt;pre class=&quot;code-java&quot;&gt;
11.04 09:22:01 [Server] INFO Crash
11.04 09:22:01 [Server] INFO at gsignal (UnknownFile:?)
11.04 09:22:01 [Server] INFO at abort (UnknownFile:?)
11.04 09:22:01 [Server] INFO at std::__throw_bad_variant_access[&lt;span class=&quot;code-object&quot;&gt;char&lt;/span&gt; &lt;span class=&quot;code-keyword&quot;&gt;const&lt;/span&gt;*] (UnknownFile:?)
11.04 09:22:01 [Server] INFO at decltype[auto] std::visit&amp;lt;CompoundTagVariant::get[] &lt;span class=&quot;code-keyword&quot;&gt;const&lt;/span&gt;::{lambda[auto:1&amp;amp;]#1}, std::variant&amp;lt;EndTag, ByteTag, ShortTag, IntTag, Int64Tag, FloatTag, DoubleTag, ByteArrayTag, StringTag, ListTag, CompoundTag, IntArrayTag&amp;gt; &lt;span class=&quot;code-keyword&quot;&gt;const&lt;/span&gt;&amp;amp;&amp;gt;[CompoundTagVariant::get[] &lt;span class=&quot;code-keyword&quot;&gt;const&lt;/span&gt;::{lambda[auto:1&amp;amp;]#1}&amp;amp;&amp;amp;, std::variant&amp;lt;EndTag, ByteTag, ShortTag, IntTag, Int64Tag, FloatTag, DoubleTag, ByteArrayTag, StringTag, ListTag, CompoundTag, IntArrayTag&amp;gt; &lt;span class=&quot;code-keyword&quot;&gt;const&lt;/span&gt;&amp;amp;] (UnknownFile:?)
11.04 09:22:01 [Server] INFO at CompoundTagVariant::get[] &lt;span class=&quot;code-keyword&quot;&gt;const&lt;/span&gt; (UnknownFile:?)
11.04 09:22:01 [Server] INFO at CompoundTagVariant::&lt;span class=&quot;code-keyword&quot;&gt;operator&lt;/span&gt;*[] &lt;span class=&quot;code-keyword&quot;&gt;const&lt;/span&gt; (UnknownFile:?)
11.04 09:22:01 [Server] INFO at CompoundTag::write[IDataOutput&amp;amp;] &lt;span class=&quot;code-keyword&quot;&gt;const&lt;/span&gt; (UnknownFile:?)
11.04 09:22:01 [Server] INFO at Tag::writeNamedTag[std::__cxx11::basic_string&amp;lt;&lt;span class=&quot;code-object&quot;&gt;char&lt;/span&gt;, std::char_traits&amp;lt;&lt;span class=&quot;code-object&quot;&gt;char&lt;/span&gt;&amp;gt;, std::allocator&amp;lt;&lt;span class=&quot;code-object&quot;&gt;char&lt;/span&gt;&amp;gt; &amp;gt; &lt;span class=&quot;code-keyword&quot;&gt;const&lt;/span&gt;&amp;amp;, Tag &lt;span class=&quot;code-keyword&quot;&gt;const&lt;/span&gt;&amp;amp;, IDataOutput&amp;amp;] (UnknownFile:?)
11.04 09:22:01 [Server] INFO at NbtIo::write[CompoundTag &lt;span class=&quot;code-keyword&quot;&gt;const&lt;/span&gt;*, IDataOutput&amp;amp;] (UnknownFile:?)
11.04 09:22:01 [Server] INFO at SubChunkBlockStoragePaletted&amp;lt;4ul, [SubChunkBlockStorage::Type]4&amp;gt;::_serialize[IDataOutput&amp;amp;, bool] &lt;span class=&quot;code-keyword&quot;&gt;const&lt;/span&gt; (UnknownFile:?)
11.04 09:22:01 [Server] INFO at SubChunkBlockStorage::serialize[IDataOutput&amp;amp;, bool] &lt;span class=&quot;code-keyword&quot;&gt;const&lt;/span&gt; (UnknownFile:?)
11.04 09:22:01 [Server] INFO at SubChunk::serialize[IDataOutput&amp;amp;, bool] &lt;span class=&quot;code-keyword&quot;&gt;const&lt;/span&gt; (UnknownFile:?)
11.04 09:22:01 [Server] INFO at DBChunkStorage::_serializeChunk[LevelChunk &lt;span class=&quot;code-keyword&quot;&gt;const&lt;/span&gt;&amp;amp;, DBStorageWriteBatch&amp;amp;] (UnknownFile:?)
11.04 09:22:01 [Server] INFO at std::function&amp;lt;TaskResult []&amp;gt;::&lt;span class=&quot;code-keyword&quot;&gt;operator&lt;/span&gt;[][] &lt;span class=&quot;code-keyword&quot;&gt;const&lt;/span&gt; (UnknownFile:?)
11.04 09:22:01 [Server] INFO at BackgroundTask::invoke[] (UnknownFile:?)
Skipped 4 lines due to rate limit (30/s)
&lt;/pre&gt;
&lt;/div&gt;&lt;/div&gt;
&lt;p&gt;Corrupted containers can be still destroyed and picked up but they don&apos;t drop anything they had inside before they became unusable/invisible. Mining a shulker chest causes whole server to crash again and the console returns the following:&lt;/p&gt;
&lt;div class=&quot;code panel&quot; style=&quot;border-width: 1px;&quot;&gt;&lt;div class=&quot;codeContent panelContent&quot;&gt;
&lt;pre class=&quot;code-java&quot;&gt;
10.04 20:28:27 [Server] INFO Session ID: d03515c9-732f-4483-86f7-c73715069eb1
10.04 20:28:27 [Server] INFO Commit hash: 
10.04 20:28:27 [Server] INFO Build id: development
10.04 20:28:27 [Server] INFO CrashReporter Key: 8c4937c1-64cb-3532-a8dc-1deb28f67293
10.04 20:28:27 [Server] INFO Crash
10.04 19:04:30 [Server] INFO] at ShulkerBoxBlock::playerWillDestroy[Player&amp;amp;, BlockPos &lt;span class=&quot;code-keyword&quot;&gt;const&lt;/span&gt;&amp;amp;, Block &lt;span class=&quot;code-keyword&quot;&gt;const&lt;/span&gt;&amp;amp; &lt;span class=&quot;code-keyword&quot;&gt;const&lt;/span&gt; (UnknownFile:?)
10.04 19:04:30 [Server] INFO at Block::playerWillDestroy[Player&amp;amp;, BlockPos &lt;span class=&quot;code-keyword&quot;&gt;const&lt;/span&gt;&amp;amp;] &lt;span class=&quot;code-keyword&quot;&gt;const&lt;/span&gt; (UnknownFile:?)
10.04 19:04:30 [Server] INFO at GameMode::_destroyBlockInternal[BlockPos &lt;span class=&quot;code-keyword&quot;&gt;const&lt;/span&gt;&amp;amp;, unsigned &lt;span class=&quot;code-object&quot;&gt;char&lt;/span&gt;] (UnknownFile:?)
10.04 19:04:30 [Server] INFO at std::function&amp;lt;void []&amp;gt;::&lt;span class=&quot;code-keyword&quot;&gt;operator&lt;/span&gt;[][] &lt;span class=&quot;code-keyword&quot;&gt;const&lt;/span&gt; (UnknownFile:?)
10.04 19:04:30 [Server] INFO at Container::createTransactionContext[std::function&amp;lt;void [Container&amp;amp;, &lt;span class=&quot;code-object&quot;&gt;int&lt;/span&gt;, ItemStack &lt;span class=&quot;code-keyword&quot;&gt;const&lt;/span&gt;&amp;amp;, ItemStack &lt;span class=&quot;code-keyword&quot;&gt;const&lt;/span&gt;&amp;amp;]&amp;gt;, std::function&amp;lt;void []&amp;gt;] (UnknownFile:?)
10.04 19:04:30 [Server] INFO at PlayerInventoryProxy::createTransactionContext[std::function&amp;lt;void [Container&amp;amp;, &lt;span class=&quot;code-object&quot;&gt;int&lt;/span&gt;, ItemStack &lt;span class=&quot;code-keyword&quot;&gt;const&lt;/span&gt;&amp;amp;, ItemStack &lt;span class=&quot;code-keyword&quot;&gt;const&lt;/span&gt;&amp;amp;]&amp;gt;, std::function&amp;lt;void []&amp;gt;] (UnknownFile:?)
10.04 19:04:30 [Server] INFO at GameMode::destroyBlock[BlockPos &lt;span class=&quot;code-keyword&quot;&gt;const&lt;/span&gt;&amp;amp;, unsigned &lt;span class=&quot;code-object&quot;&gt;char&lt;/span&gt;] (UnknownFile:?)
10.04 19:04:30 [Server] INFO at SurvivalMode::destroyBlock[BlockPos &lt;span class=&quot;code-keyword&quot;&gt;const&lt;/span&gt;&amp;amp;, unsigned &lt;span class=&quot;code-object&quot;&gt;char&lt;/span&gt;] (UnknownFile:?)
10.04 19:04:30 [Server] INFO at std::function&amp;lt;void []&amp;gt;::&lt;span class=&quot;code-keyword&quot;&gt;operator&lt;/span&gt;[][] &lt;span class=&quot;code-keyword&quot;&gt;const&lt;/span&gt; (UnknownFile:?)
10.04 19:04:30 [Server] INFO at Container::createTransactionContext[std::function&amp;lt;void [Container&amp;amp;, &lt;span class=&quot;code-object&quot;&gt;int&lt;/span&gt;, ItemStack &lt;span class=&quot;code-keyword&quot;&gt;const&lt;/span&gt;&amp;amp;, ItemStack &lt;span class=&quot;code-keyword&quot;&gt;const&lt;/span&gt;&amp;amp;]&amp;gt;, std::function&amp;lt;void []&amp;gt;] (UnknownFile:?)
10.04 19:04:30 [Server] INFO at PlayerInventoryProxy::createTransactionContext[std::function&amp;lt;void [Container&amp;amp;, &lt;span class=&quot;code-object&quot;&gt;int&lt;/span&gt;, ItemStack &lt;span class=&quot;code-keyword&quot;&gt;const&lt;/span&gt;&amp;amp;, ItemStack &lt;span class=&quot;code-keyword&quot;&gt;const&lt;/span&gt;&amp;amp;]&amp;gt;, std::function&amp;lt;void []&amp;gt;] (UnknownFile:?)
10.04 19:04:30 [Server] INFO at ItemUseInventoryTransaction::handle[Player&amp;amp;, bool] &lt;span class=&quot;code-keyword&quot;&gt;const&lt;/span&gt; (UnknownFile:?)
10.04 19:04:30 [Server] INFO at ServerNetworkHandler::handle[NetworkIdentifier &lt;span class=&quot;code-keyword&quot;&gt;const&lt;/span&gt;&amp;amp;, InventoryTransactionPacket &lt;span class=&quot;code-keyword&quot;&gt;const&lt;/span&gt;&amp;amp;] (UnknownFile:?)
10.04 19:04:30 [Server] INFO at PacketHandlerDispatcherInstance&amp;lt;InventoryTransactionPacket, &lt;span class=&quot;code-keyword&quot;&gt;false&lt;/span&gt;&amp;gt;::handle[NetworkIdentifier &lt;span class=&quot;code-keyword&quot;&gt;const&lt;/span&gt;&amp;amp;, NetEventCallback&amp;amp;, std::shared_ptr&amp;lt;Packet&amp;gt;&amp;amp;] &lt;span class=&quot;code-keyword&quot;&gt;const&lt;/span&gt; (UnknownFile:?)
10.04 19:04:30 [Server] INFO at Packet::handle[NetworkIdentifier &lt;span class=&quot;code-keyword&quot;&gt;const&lt;/span&gt;&amp;amp;, NetEventCallback&amp;amp;, std::shared_ptr&amp;lt;Packet&amp;gt;&amp;amp;] (UnknownFile:?)
10.04 19:04:30 [Server] INFO at NetworkHandler::_sortAndPacketizeEvents[NetworkHandler::Connection&amp;amp;, std::chrono::time_point&amp;lt;std::chrono::_V2::system_clock, std::chrono::duration&amp;lt;&lt;span class=&quot;code-object&quot;&gt;long&lt;/span&gt;, std::ratio&amp;lt;1l, 1000000000l&amp;gt; &amp;gt; &amp;gt;] (UnknownFile:?)
10.04 19:04:30 [Server] INFO at NetworkHandler::runEvents[bool] (UnknownFile:?)
10.04 19:04:30 [Server] INFO at Minecraft::update[] (UnknownFile:?)
Skipped 2 lines due to rate limit (30/s)&lt;/pre&gt;
&lt;/div&gt;&lt;/div&gt;
&lt;p&gt;Sadly, there are two more lines missing from the above but I cannot extract it from the log .txt file because it&apos;s always empty.&lt;/p&gt;

&lt;p&gt;Container blocks going invisible seem to be totally random BUT we noticed there&apos;s a bigger chance to happen in a chunk that has more container blocks than the others. No idea how to replicate it.&lt;/p&gt;

&lt;p&gt;I attached a screenshot with Visible Chunks resource pack on, which shows the semi-automatic smelting design corrupted. Chests became invisible. Note that the chests on the right are still there.&lt;/p&gt;

&lt;p&gt;&#160;&lt;/p&gt;</description>
                <environment>Bedrock Dedicated Server, Multicraft console</environment>
        <key id="303957">BDS-4039</key>
            <summary>Container blocks go invisible and cause crash - only in dedicated</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="4">Incomplete</resolution>
                                        <assignee username="-1">Unassigned</assignee>
                                    <reporter username="Syde">Syde Veriod</reporter>
                        <labels>
                            <label>chest</label>
                    </labels>
                <created>Fri, 10 Apr 2020 20:54:14 +0200</created>
                <updated>Fri, 29 Jan 2021 17:19:47 +0100</updated>
                            <resolved>Fri, 29 Jan 2021 17:19:47 +0100</resolved>
                                    <version>1.14.32.1</version>
                    <version>1.14.60</version>
                                                            <votes>8</votes>
                                    <watches>3</watches>
                                                                            <comments>
                            <comment id="907879" author="mega_spud" created="Fri, 29 Jan 2021 17:19:47 +0100"  >&lt;p&gt;Cleaning up old tickets:  This ticket had been set to &apos;Awaiting Response&apos;, but has not received a response from the reporter (~3 months+) so is being closed as &lt;em&gt;Incomplete&lt;/em&gt;.  If you feel this is still a valid issue then please comment, or create a new ticket following the &lt;a href=&quot;https://aka.ms/MCBugTrackerHelp&quot; title=&quot;How To Write helpful bug reports&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Issue Guidelines&lt;/a&gt; which includes steps to reproduce the problem.&lt;/p&gt;

&lt;p&gt;&lt;b&gt;Quick Links&lt;/b&gt;:&lt;br/&gt;
&#128211; &lt;a href=&quot;https://aka.ms/MCBugTrackerHelp&quot; title=&quot;How To Write Awesome Tickets! &#128175;&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Issue Guidelines&lt;/a&gt; &amp;#8211; &#128172; &lt;a href=&quot;https://help.minecraft.net/hc/en-us/requests/new&quot; title=&quot;Account Support &#128377;&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Mojang Support&lt;/a&gt; &amp;#8211; &#128231; &lt;a href=&quot;https://feedback.minecraft.net/&quot; title=&quot;Feedback and Suggestions &#9997;&#65039;&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Suggestions&lt;/a&gt; &amp;#8211; &#128214; &lt;a href=&quot;http://minecraft.gamepedia.com/Minecraft_Wiki&quot; title=&quot;Minecraft Wiki &#127891;&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Minecraft Wiki&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="769995" author="ionicecko" created="Wed, 22 Jul 2020 06:51:04 +0200"  >&lt;p&gt;It looks like there have been a couple instances of this issue tracked under the Bedrock project, 2 have been fixed in 1.16 and one remains open.&lt;/p&gt;

&lt;p&gt;If you&apos;re still having this issue in 1.16 please check &lt;b&gt;&lt;a href=&quot;https://bugs.mojang.com/browse/MCPE-52790&quot; title=&quot;All chests, double chests and ender chests are invisible&quot; class=&quot;issue-link&quot; data-issue-key=&quot;MCPE-52790&quot;&gt;&lt;del&gt;MCPE-52790&lt;/del&gt;&lt;/a&gt;&lt;/b&gt; and see if it describes your issue.&lt;/p&gt;

&lt;p&gt;Commenting back will reopen the report automagically.&lt;/p&gt;</comment>
                            <comment id="695221" author="nibbleninja" created="Tue, 12 May 2020 05:06:06 +0200"  >&lt;p&gt;We just experienced the same thing on my server.&#160;&lt;/p&gt;</comment>
                            <comment id="670813" author="JIRAUSER458509" created="Sun, 19 Apr 2020 22:10:33 +0200"  >&lt;p&gt;Still happens in 1.14.60&lt;/p&gt;</comment>
                            <comment id="663276" author="JIRAUSER458509" created="Sat, 11 Apr 2020 10:56:05 +0200"  >&lt;p&gt;Updated the issue. Added additional logs.&lt;/p&gt;</comment>
                    </comments>
                    <attachments>
                            <attachment id="280592" name="Screenshot_20200410-140322.jpg" size="1444482" author="Syde" created="Fri, 10 Apr 2020 20:52:59 +0200"/>
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