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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-7867] TNTcart bug / Massive explosion with merged TNT minecarts</title>
                <link>https://bugs.mojang.com/browse/MC-7867</link>
                <project id="10400" key="MC">Minecraft: Java Edition</project>
                    <description>&lt;p&gt;When placing many tnt carts on a corner rail then pushing and cut off the rail then put a (any block) bridge they roll on it then hit the ground and leave a massive crator&lt;/p&gt;


&lt;p&gt;This happens in creative or survival.&lt;/p&gt;</description>
                <environment>Windows Xp, recived latest java update.</environment>
        <key id="20683">MC-7867</key>
            <summary>TNTcart bug / Massive explosion with merged TNT minecarts</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="6">Works As Intended</resolution>
                                        <assignee username="-1">Unassigned</assignee>
                                    <reporter username="zimba88">Marge</reporter>
                        <labels>
                            <label>tnt-minecart</label>
                    </labels>
                <created>Sat, 19 Jan 2013 02:00:58 +0100</created>
                <updated>Wed, 16 Dec 2020 02:01:49 +0100</updated>
                            <resolved>Wed, 6 Feb 2013 00:58:31 +0100</resolved>
                                    <version>Snapshot 13w03a</version>
                                                                        <votes>3</votes>
                                    <watches>3</watches>
                                                                            <comments>
                            <comment id="53124" author="tkd91604" created="Thu, 14 Mar 2013 18:52:56 +0100"  >&lt;p&gt;Yeah, this is a small bug, but a fixable one. case closed.&lt;/p&gt;</comment>
                            <comment id="43896" author="mustek" created="Wed, 6 Feb 2013 00:58:31 +0100"  >&lt;p&gt;Stacked tnt carts will still give a larger explosion, just not as big as it used to be. That&apos;s intended. Closing this.&lt;/p&gt;</comment>
                            <comment id="38228" author="banana478" created="Sat, 19 Jan 2013 15:10:11 +0100"  >&lt;p&gt;Well, this bug report is related to &lt;a href=&quot;https://bugs.mojang.com/browse/MC-6833&quot; title=&quot;Doubled up TNT Carts creates huge lag (&amp;quot;Nuclear minecarts&amp;quot;)&quot; class=&quot;issue-link&quot; data-issue-key=&quot;MC-6833&quot;&gt;&lt;del&gt;MC-6833&lt;/del&gt;&lt;/a&gt;. The video also shows the massive craters created by merging TNT minecarts.&lt;/p&gt;</comment>
                            <comment id="38203" author="doctordharok" created="Sat, 19 Jan 2013 11:09:16 +0100"  >&lt;p&gt;The minecart explosions still stack in a very bizarre way not consistent with regular TNT. They still make large holes, just not the way they did before. I maintain it&apos;s worth taking a second look at...&lt;/p&gt;</comment>
                            <comment id="38200" author="kumasasa" created="Sat, 19 Jan 2013 10:17:52 +0100"  >&lt;p&gt;The video is relating to &lt;a href=&quot;https://bugs.mojang.com/browse/MC-6833&quot; title=&quot;Doubled up TNT Carts creates huge lag (&amp;quot;Nuclear minecarts&amp;quot;)&quot; class=&quot;issue-link&quot; data-issue-key=&quot;MC-6833&quot;&gt;&lt;del&gt;MC-6833&lt;/del&gt;&lt;/a&gt; , which should be fixed with 13w03a&lt;/p&gt;</comment>
                            <comment id="38192" author="the_berk" created="Sat, 19 Jan 2013 09:22:00 +0100"  >&lt;p&gt;I think it was meant, but you can blame Adamzoneandtopmarks for making the bug or what ever it is known.  They call it a nuke/Missle.  I do hope they remove/fix it though, I think TNT carts are OP, and they need to be more like normal TnT.&lt;/p&gt;</comment>
                            <comment id="38170" author="doctordharok" created="Sat, 19 Jan 2013 04:18:49 +0100"  >&lt;p&gt;Okay, I just launched myself quite literally over 9000 blocks into the air. LOL&lt;/p&gt;</comment>
                            <comment id="38169" author="doctordharok" created="Sat, 19 Jan 2013 04:11:59 +0100"  >&lt;p&gt;I think he said &quot;oops&quot; because it was a mistake. It will probably be fixed in the next snapshot. Good thing they already know about it.&lt;/p&gt;</comment>
                            <comment id="38168" author="doctordharok" created="Sat, 19 Jan 2013 04:10:46 +0100"  >&lt;p&gt;I posted a picture of the blast radius of ~20 TNT carts going off at the exact same time and exact same coordinates. It killed all of the poor testificates and blasted me over 200 blocks horizontally, over 100 blocks vertically, in less than a second. My game started stuttering at this point, and it seems to have only stopped moving me because I was blasted so far I was in entirely unloaded chunks. I&apos;m going to try for a completely vertical launch and see if it makes a difference in how far I get blasted. Numbers like that could let the &apos;jangsters figure out how powerful the blast actually is.&lt;/p&gt;</comment>
                            <comment id="38167" author="banana478" created="Sat, 19 Jan 2013 04:08:52 +0100"  >&lt;p&gt;Given that Dinnerbone tweeted a video of this (&lt;a href=&quot;https://twitter.com/Dinnerbone/status/289532985340993536&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://twitter.com/Dinnerbone/status/289532985340993536&lt;/a&gt;), it seems to be a Won&apos;t Fix kinda bug.&lt;/p&gt;</comment>
                            <comment id="38166" author="doctordharok" created="Sat, 19 Jan 2013 04:04:56 +0100"  >&lt;p&gt;Explosion radius of ~20 tnt-carts at exact same coordinates, simultaneous detonation. Demonstrated in a village to show the ridiculous blast radius through multiple types of materials.&lt;/p&gt;</comment>
                            <comment id="38160" author="zimba88" created="Sat, 19 Jan 2013 03:41:25 +0100"  >&lt;p&gt;thanks &lt;img class=&quot;emoticon&quot; src=&quot;https://bugs.mojang.com/images/icons/emoticons/smile.png&quot; height=&quot;16&quot; width=&quot;16&quot; align=&quot;absmiddle&quot; alt=&quot;&quot; border=&quot;0&quot;/&gt;&lt;/p&gt;</comment>
                            <comment id="38159" author="doctordharok" created="Sat, 19 Jan 2013 03:21:43 +0100"  >&lt;p&gt;The explosion radius of TNT minecarts that are on the same space and explode simultaneously do not just add explosion radius but it seems to increase exponentially. The crash was probably just caused by running out of memory while dropping all the items from the 1000+ destroyed blocks.&lt;/p&gt;

&lt;p&gt;The specifics of the bug aren&apos;t outlined very well by the bug&apos;s reporter. They are describing:&lt;br/&gt;
Place multiple (4+) TNT carts on the same block of railing cornered railing. Break the railing. Give the carts a nudge and they will glitchily push each other in the direction of your nudge, continually accelerating (without tracks!) eventually to a speed higher than sprint speed. As soon as they go over an edge and hit the ground or a wall, they will simultaneously explode, producing an explosion with a ridiculous and clearly unintentional radius. I managed to blow myself over 100 blocks upwards, but I fell very slowly and upon reaching ground level I realized that the game had stopped rendering everything in the environment. It seems the explosion mechanic was trying to do so much that the game got stuck until I performed a /kill which also fortunately ended up unloading the chunk.&lt;/p&gt;

&lt;p&gt;I hope I&apos;ve helped. Upvoted the issue. I&apos;m now exploring with this to see if I can find a more concise explanation and perhaps some definitive screenshots.&lt;/p&gt;

&lt;p&gt;~DoctorDharok&lt;/p&gt;</comment>
                            <comment id="38151" author="zimba88" created="Sat, 19 Jan 2013 02:08:30 +0100"  >&lt;p&gt;last time i did this my game froze up when i rejoined the world and had to end the proccess by task manager, but ok.&lt;/p&gt;</comment>
                            <comment id="38150" author="bljat" created="Sat, 19 Jan 2013 02:06:08 +0100"  >&lt;p&gt;If it crashes, please attach the crash report.&lt;/p&gt;</comment>
                            <comment id="38149" author="zimba88" created="Sat, 19 Jan 2013 02:04:57 +0100"  >&lt;p&gt;its weird and it crashes my game sometimes :/&lt;br/&gt;
gamechap has done the bug too.&lt;/p&gt;</comment>
                            <comment id="38148" author="bljat" created="Sat, 19 Jan 2013 02:02:39 +0100"  >&lt;p&gt;So what&apos;s the bug?&lt;/p&gt;</comment>
                    </comments>
                <issuelinks>
                            <issuelinktype id="10102">
                    <name>Duplicate</name>
                                                                <inwardlinks description="is duplicated by">
                                        <issuelink>
            <issuekey id="19806">MC-7028</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="20706">MC-7888</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="21130">MC-8213</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="22654">MC-9163</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="25120">MC-11032</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="25147">MC-11057</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="25593">MC-11452</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="26505">MC-11793</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="27811">MC-12903</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="28306">MC-13328</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="28400">MC-13332</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="31797">MC-15997</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="189487">MC-123730</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="244722">MC-153818</issuekey>
        </issuelink>
                            </inwardlinks>
                                    </issuelinktype>
                    </issuelinks>
                <attachments>
                            <attachment id="19119" name="2013-01-18_19.49.52.png" size="262308" author="zimba88" created="Sat, 19 Jan 2013 02:00:58 +0100"/>
                            <attachment id="19118" name="2013-01-18_19.49.58.png" size="286061" author="zimba88" created="Sat, 19 Jan 2013 02:00:58 +0100"/>
                            <attachment id="19117" name="2013-01-18_19.50.11.png" size="351556" author="zimba88" created="Sat, 19 Jan 2013 02:00:58 +0100"/>
                            <attachment id="19116" name="2013-01-18_19.50.14.png" size="364804" author="zimba88" created="Sat, 19 Jan 2013 02:00:58 +0100"/>
                            <attachment id="19130" name="2013-01-18_21.51.16.png" size="546086" author="doctordharok" created="Sat, 19 Jan 2013 04:04:56 +0100"/>
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