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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>[MC-12023] Weird behavior in hoppers</title>
                <link>https://bugs.mojang.com/browse/MC-12023</link>
                <project id="10400" key="MC">Minecraft: Java Edition</project>
                    <description>&lt;p&gt;I am using this item sorting method: &lt;a href=&quot;http://www.youtube.com/watch?v=eRIen2Smgig&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;http://www.youtube.com/watch?v=eRIen2Smgig&lt;/a&gt;&lt;br/&gt;
It works fine for the most part until you put in items that output a strong signal to a comparator (ie. Doors, tools, maps) if you try putting them in the sorter it pushes out the items in the hopper that detects what item it is. So it pushes it out and takes its spot which completely kills the need to sort items. I can get screenshots if you want. Still, it works pretty well until you put in the other items. Then I start getting doors in my pork chest.... Thanks for looking at this!&lt;/p&gt;

&lt;p&gt;Download link to problematic sorter: &lt;a href=&quot;https://dl.dropbox.com/u/37771664/Castle.schematic&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://dl.dropbox.com/u/37771664/Castle.schematic&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;EDIT: May be related to &lt;a href=&quot;https://bugs.mojang.com/browse/MC-12010&quot; title=&quot;hopper towers skipping hoppers&quot; class=&quot;issue-link&quot; data-issue-key=&quot;MC-12010&quot;&gt;&lt;del&gt;MC-12010&lt;/del&gt;&lt;/a&gt;&lt;/p&gt;</description>
                <environment>Hoppers to sort items into chests</environment>
        <key id="26751">MC-12023</key>
            <summary>Weird behavior in hoppers</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="7">Invalid</resolution>
                                        <assignee username="-1">Unassigned</assignee>
                                    <reporter username="travja">Travja</reporter>
                        <labels>
                            <label>item</label>
                            <label>redstone</label>
                    </labels>
                <created>Sat, 16 Mar 2013 04:29:25 +0100</created>
                <updated>Mon, 7 Sep 2015 20:51:36 +0200</updated>
                            <resolved>Thu, 28 Mar 2013 22:59:30 +0100</resolved>
                                    <version>Minecraft 1.5</version>
                                                                        <votes>0</votes>
                                    <watches>2</watches>
                                                                            <comments>
                            <comment id="57707" author="travja" created="Thu, 28 Mar 2013 23:10:26 +0100"  >&lt;p&gt;@Tails I see! Thanks, I&apos;ll see what I can do for a workaround, in the mean time, this ticket can be closed. &lt;img class=&quot;emoticon&quot; src=&quot;https://bugs.mojang.com/images/icons/emoticons/biggrin.png&quot; height=&quot;16&quot; width=&quot;16&quot; align=&quot;absmiddle&quot; alt=&quot;&quot; border=&quot;0&quot;/&gt; Thanks&lt;/p&gt;</comment>
                            <comment id="57705" author="bljat" created="Thu, 28 Mar 2013 23:08:20 +0100"  >&lt;p&gt;The flaw is in the top comparators which output a stronger signal due to the doors beeing unstackable items. Those comparators activate the redstone wire which is connected to the lowest hoppers. Normaly it wouldn&apos;t matter if the redstone is connected since a stackable item is putting out a signal of 1. But an unstackable item output is that of a stack of 64 items. So the comparator is powerering almost all the redstone below which kills the system.&lt;/p&gt;</comment>
                            <comment id="57703" author="travja" created="Thu, 28 Mar 2013 23:02:25 +0100"  >&lt;p&gt;@Tails Can you show me where the flaw is? I mean, putting doors in kicks out the item and sometimes the signs and things... It works fine for items that are stackable..&lt;/p&gt;</comment>
                            <comment id="57702" author="bljat" created="Thu, 28 Mar 2013 22:59:30 +0100"  >&lt;p&gt;Not a bug - flawed item sorter design.&lt;/p&gt;</comment>
                            <comment id="57699" author="travja" created="Thu, 28 Mar 2013 22:36:42 +0100"  >&lt;p&gt;How did you import it, I think the easiest way would be to install WorldEdit, put that schematic in your schematics folder and import it that way.&lt;/p&gt;</comment>
                            <comment id="57655" author="matrixhacker" created="Thu, 28 Mar 2013 19:05:12 +0100"  >&lt;p&gt;I&apos;ve never used schematic files or MCEdit before. I was able to import it into a world but very few of the hoppers seemed to be pointing in the correct directions. Is this normal?&lt;/p&gt;</comment>
                            <comment id="57580" author="travja" created="Thu, 28 Mar 2013 03:16:11 +0100"  >&lt;p&gt;Added link in description. It&apos;s just a schematic because the whole world file is way too big.&lt;/p&gt;</comment>
                            <comment id="57579" author="matrixhacker" created="Thu, 28 Mar 2013 03:00:43 +0100"  >&lt;p&gt;If you&apos;d like create a test world with your design in it, then zip/rar it up and upload it to filefront or someplace like that and post a link here. Provide some steps to reproduce the issue you&apos;re having and I&apos;ll try it out and let you know what happens.&lt;/p&gt;</comment>
                            <comment id="57564" author="travja" created="Thu, 28 Mar 2013 01:09:46 +0100"  >&lt;p&gt;After finally getting around to testing, it is not a bukkit issue, same thing happens in vanilla., I&apos;m using 5 signs, a seed and the item, shouldn&apos;t really affect it as it&apos;s the same concept.... I dunno, I might just deal with it and change to 4 signs and 2 of the item.&lt;/p&gt;</comment>
                            <comment id="56913" author="travja" created="Sun, 24 Mar 2013 16:48:49 +0100"  >&lt;p&gt;@Michael I haven&apos;t had time to do any testing, for all I know it was a bukkit problem... I&apos;ll test bukkit vs vanilla later today and get back to you&lt;/p&gt;</comment>
                            <comment id="56911" author="matrixhacker" created="Sun, 24 Mar 2013 16:38:20 +0100"  >&lt;p&gt;@Travis Any other issues here? Can we resolve this as &apos;Not a Bug&apos;?&lt;/p&gt;</comment>
                            <comment id="56693" author="matrixhacker" created="Sat, 23 Mar 2013 21:07:52 +0100"  >&lt;p&gt;@Travis Yep. Doors, minecarts, boats, and other non-stackable items all went to the end as expected.&lt;/p&gt;</comment>
                            <comment id="56672" author="travja" created="Sat, 23 Mar 2013 20:26:58 +0100"  >&lt;p&gt;@Michael  Have you tried putting doors through the system?&lt;/p&gt;</comment>
                            <comment id="56660" author="matrixhacker" created="Sat, 23 Mar 2013 20:04:28 +0100"  >&lt;p&gt;@Travis ITEMx2, SIGN, SIGN, SIGN, SIGNx2. You can download the world here: &lt;a href=&quot;http://www.planetminecraft.com/project/hopper-mine-auto-sorter/&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;http://www.planetminecraft.com/project/hopper-mine-auto-sorter/&lt;/a&gt; I edited his design by adding another sorter to take out signs before anything else and it fixed the problem. Everything ended up where it should have been after that.&lt;/p&gt;

&lt;p&gt;You could just as easily use something other than signs. I think he chose to use those because they can only stack up to 16 so you don&apos;t need as many. I tend to use sticks in this configuration: ITEM, STICKx5, STICKx5, STICKx5, STICKx6. I of course have to sort out sticks before anything else.&lt;/p&gt;</comment>
                            <comment id="56648" author="travja" created="Sat, 23 Mar 2013 19:42:53 +0100"  >&lt;p&gt;@Michael My hoppers are set up like this: ITEM, SEEDS, SIGN, SIGNx2, SIGNx2 how exactly does ACTennisAC have his set up?&lt;/p&gt;</comment>
                            <comment id="56647" author="matrixhacker" created="Sat, 23 Mar 2013 19:39:52 +0100"  >&lt;p&gt;@Travis Eggett I downloaded ACtennisAC&apos;s copy of the world to play with and at first it worked perfectly. I did find that in his test world he used signs to fill in extra spaces in the hoppers. Throwing a few signs into the system broke it immediately and then nothing ended up in the right place. Did this by chance happen to you?&lt;/p&gt;</comment>
                            <comment id="56641" author="travja" created="Sat, 23 Mar 2013 19:28:33 +0100"  >&lt;p&gt;@Michael Turner The thing is, it&apos;s not supposed to accept an item into the sorting hopper unless the item matches a stackable item. If it is not stackable it should go to the end misc chest. Instead, it somehow kicks the item I want sorted into the chest and goes into the chest as well. Doesn&apos;t work at all how I think it should&lt;/p&gt;</comment>
                            <comment id="56630" author="matrixhacker" created="Sat, 23 Mar 2013 19:17:30 +0100"  >&lt;p&gt;In my opinion what you&apos;re experiencing isn&apos;t actually a bug but a side effect of the output level of non-stackable items. What you may want to consider is to presort out non-stackables from stackable items which can be done by taking advantage of the difference in output levels.&lt;/p&gt;</comment>
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