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<channel>
    <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-8198] Piston pushing piston bugs / piston duplicating piston</title>
                <link>https://bugs.mojang.com/browse/MC-8198</link>
                <project id="10400" key="MC">Minecraft: Java Edition</project>
                    <description>&lt;p&gt;Some new bugs i have found in snapshot 13w04a, where piston pushing other pistons is causing weird bugs&lt;/p&gt;</description>
                <environment></environment>
        <key id="21114">MC-8198</key>
            <summary>Piston pushing piston bugs / piston duplicating piston</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>
                                        <assignee username="jeb">[Mojang] Jeb (Jens Bergensten)</assignee>
                                    <reporter username="rumkugel13">Manuel</reporter>
                        <labels>
                            <label>double</label>
                            <label>duplicating</label>
                            <label>extender</label>
                            <label>head</label>
                            <label>piston</label>
                            <label>push</label>
                    </labels>
                <created>Thu, 24 Jan 2013 18:05:58 +0100</created>
                <updated>Tue, 31 Jan 2017 23:10:33 +0100</updated>
                            <resolved>Tue, 5 Feb 2013 10:26:42 +0100</resolved>
                                    <version>Snapshot 13w04a</version>
                    <version>Snapshot 13w05a</version>
                    <version>Snapshot 13w05b</version>
                                    <fixVersion>Snapshot 13w06a</fixVersion>
                                                        <votes>15</votes>
                                    <watches>4</watches>
                                                                            <comments>
                            <comment id="356795" author="redstonehelper" created="Tue, 31 Jan 2017 23:10:33 +0100"  >&lt;p&gt;Just create a new ticket.&lt;/p&gt;</comment>
                            <comment id="355972" author="thegreenking538" created="Thu, 26 Jan 2017 16:42:13 +0100"  >&lt;p&gt;Hello, admin, I have browsed the list of issues here regarding pistons extensively, and though your complaint form (as I may call it) tells me that I should still search before creating my issue, I can surmise that none of these represent the one I want to make. &lt;/p&gt;

&lt;p&gt;Please guide me threw as I am still unfamiliar with the procedures here &amp;#8211; What can be done if I think that my issue is similar to others only in name but not in content? I really want to voice it out. I would greatly appreciate your reply. &lt;/p&gt;</comment>
                            <comment id="44470" author="rumkugel13" created="Fri, 8 Feb 2013 10:56:13 +0100"  >&lt;p&gt;you mean something like this: &lt;a href=&quot;https://bugs.mojang.com/browse/MC-9363&quot; title=&quot;Rows of Vertical Down Piston Extenders have a &amp;gt;50% failure rate&quot; class=&quot;issue-link&quot; data-issue-key=&quot;MC-9363&quot;&gt;&lt;del&gt;MC-9363&lt;/del&gt;&lt;/a&gt; ?&lt;/p&gt;</comment>
                            <comment id="44422" author="calicanadian" created="Fri, 8 Feb 2013 02:33:36 +0100"  >&lt;p&gt;This still seems to be happening within 13w6a as well.&lt;/p&gt;</comment>
                            <comment id="44309" author="sventheslayer" created="Thu, 7 Feb 2013 21:25:20 +0100"  >&lt;p&gt;Yeah like I figured the bug I was experiencing and this bug were not the same, this one is said to be fixed but the bug that breaks over 50% of my pistons is not.&lt;/p&gt;</comment>
                            <comment id="42019" author="acomputerdog" created="Thu, 31 Jan 2013 23:24:50 +0100"  >&lt;p&gt;I found another version of this glitch in 12w05a: &lt;a href=&quot;http://imgur.com/a/KKAtW&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;http://imgur.com/a/KKAtW&lt;/a&gt;&lt;br/&gt;
It works every time I have tried.&lt;/p&gt;</comment>
                            <comment id="41898" author="downunderit" created="Thu, 31 Jan 2013 20:21:44 +0100"  >&lt;p&gt;Yes Ray that is the same issue. The fact that it is not just about messed up graphics. I have a portcullis setup and where the second row of pistons should push up the head of the piston replaces its base and I don&apos;t get the full length of extension from both pistons. Still present in 13w05a.&lt;/p&gt;</comment>
                            <comment id="41838" author="sventheslayer" created="Thu, 31 Jan 2013 18:59:12 +0100"  >&lt;p&gt;I&apos;m not sure if this is the same bug but this set up has more then a 50% failure rate&lt;/p&gt;

&lt;p&gt;This doesn&apos;t generate ghost pistons but for some reason more then every other piston doesn&apos;t fire in the correct order and creates a single double headed piston.&lt;/p&gt;

&lt;p&gt;&lt;a href=&quot;http://img.photobucket.com/albums/v209/Daray_Ryo/Minecraft_Mistakes/2013-01-31_125137.png&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;http://img.photobucket.com/albums/v209/Daray_Ryo/Minecraft_Mistakes/2013-01-31_125137.png&lt;/a&gt;&lt;br/&gt;
&lt;a href=&quot;http://img.photobucket.com/albums/v209/Daray_Ryo/Minecraft_Mistakes/2013-01-31_125203.png&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;http://img.photobucket.com/albums/v209/Daray_Ryo/Minecraft_Mistakes/2013-01-31_125203.png&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="41696" author="kckennylau" created="Thu, 31 Jan 2013 16:07:16 +0100"  >&lt;p&gt;I thought I was the first to discover D:&lt;br/&gt;
(My report is &lt;a href=&quot;https://bugs.mojang.com/browse/MC-8773&quot; title=&quot;Duplicated Piston Arm&quot; class=&quot;issue-link&quot; data-issue-key=&quot;MC-8773&quot;&gt;&lt;del&gt;MC-8773&lt;/del&gt;&lt;/a&gt;)&lt;/p&gt;</comment>
                            <comment id="40707" author="tiedye1" created="Mon, 28 Jan 2013 17:47:34 +0100"  >&lt;p&gt;Here&apos;s a few screenshots showing why they break piston doors.&lt;/p&gt;</comment>
                            <comment id="40669" author="probably_not_notch" created="Mon, 28 Jan 2013 15:57:24 +0100"  >&lt;p&gt;Can reproduce, really annoying.&lt;/p&gt;</comment>
                            <comment id="40599" author="spekkkter" created="Mon, 28 Jan 2013 06:04:09 +0100"  >&lt;p&gt;here is a save file with a double piston door that is now duplicating pistons&lt;/p&gt;</comment>
                            <comment id="40598" author="spekkkter" created="Mon, 28 Jan 2013 06:03:38 +0100"  >&lt;p&gt;you will probably have to turn around after spawning&lt;/p&gt;</comment>
                            <comment id="40590" author="spekkkter" created="Mon, 28 Jan 2013 04:08:39 +0100"  >&lt;p&gt;I have also seen the duplicating pistons where a piston pushing another piston will either duplicate the pushed piston  OR push the pushing piston back destroying the block behind it.&lt;/p&gt;
</comment>
                            <comment id="39684" author="daskie" created="Fri, 25 Jan 2013 09:22:15 +0100"  >&lt;p&gt;Made a short video elaborating on the behavior of pistons&apos; apparent ability to duplicate when facing certain directions. Includes the phenomena of stacking &quot;phantom&quot; pistons. (Note, the &quot;phantoms&quot; will no longer be created once the twelve block piston-pushing-limit has been reached.&lt;br/&gt;
&lt;a href=&quot;http://www.youtube.com/watch?v=_hQOf0LQoP0&amp;amp;feature=youtu.be&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;http://www.youtube.com/watch?v=_hQOf0LQoP0&amp;amp;feature=youtu.be&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="39639" author="kuemmi" created="Fri, 25 Jan 2013 05:01:20 +0100"  >&lt;p&gt;Easiest way to reproduce: Two pistons on top of eachother, facing up. Place block next to bottom piston, put redstone torch on block.&lt;/p&gt;</comment>
                            <comment id="39439" author="bljat" created="Thu, 24 Jan 2013 18:34:31 +0100"  >&lt;p&gt;Confirmed.&lt;/p&gt;</comment>
                            <comment id="39429" author="rumkugel13" created="Thu, 24 Jan 2013 18:09:36 +0100"  >&lt;p&gt;theres a Piston extended and retracted at the same time behind the dirt/piston block&lt;/p&gt;</comment>
                    </comments>
                <issuelinks>
                            <issuelinktype id="10102">
                    <name>Duplicate</name>
                                                                <inwardlinks description="is duplicated by">
                                        <issuelink>
            <issuekey id="21120">MC-8204</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="21121">MC-8205</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="21145">MC-8228</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="21248">MC-8330</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="21284">MC-8364</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="21298">MC-8378</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="21374">MC-8448</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="21421">MC-8484</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="21429">MC-8492</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="21455">MC-8516</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="21493">MC-8544</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="21518">MC-8568</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="21531">MC-8579</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="21590">MC-8629</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="21659">MC-8695</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="21681">MC-8711</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="22003">MC-8773</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="22114">MC-8837</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="22159">MC-8861</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="22205">MC-8886</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="22231">MC-8897</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="22289">MC-8929</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="22327">MC-8954</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="22336">MC-8962</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="22367">MC-8977</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="22371">MC-8980</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="22443">MC-9022</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="22483">MC-9041</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="22537">MC-9076</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="22598">MC-9123</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="22627">MC-9143</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="22728">MC-9184</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="22762">MC-9208</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="22809">MC-9248</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="22816">MC-9254</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="22828">MC-9262</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="23146">MC-9524</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="23859">MC-10023</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="107727">MC-78785</issuekey>
        </issuelink>
                            </inwardlinks>
                                    </issuelinktype>
                            <issuelinktype id="10103">
                    <name>Relates</name>
                                            <outwardlinks description="relates to">
                                        <issuelink>
            <issuekey id="11372">MC-127</issuekey>
        </issuelink>
                            </outwardlinks>
                                                                <inwardlinks description="relates to">
                                        <issuelink>
            <issuekey id="23067">MC-9460</issuekey>
        </issuelink>
                            </inwardlinks>
                                    </issuelinktype>
                    </issuelinks>
                <attachments>
                            <attachment id="20124" name="2013-01-27_22.22.39.png" size="83974" author="tiedye1" created="Mon, 28 Jan 2013 17:47:34 +0100"/>
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                            <attachment id="20132" name="2013-01-27_22.25.56.png" size="107121" author="tiedye1" created="Mon, 28 Jan 2013 17:47:34 +0100"/>
                            <attachment id="20741" name="2013-02-02_16.29.41.png" size="240935" author="rumkugel13" created="Sat, 2 Feb 2013 16:30:20 +0100"/>
                            <attachment id="20742" name="2013-02-02_16.29.52.png" size="229174" author="rumkugel13" created="Sat, 2 Feb 2013 16:30:20 +0100"/>
                            <attachment id="20099" name="test bed.zip" size="10471179" author="spekkkter" created="Mon, 28 Jan 2013 06:03:38 +0100"/>
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