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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-8578] Hopper sometimes doesn&apos;t suck items above when they are overlaying</title>
                <link>https://bugs.mojang.com/browse/MC-8578</link>
                <project id="10400" key="MC">Minecraft: Java Edition</project>
                    <description>&lt;p&gt;Happens in survival too.&lt;br/&gt;
A hopper is filled with one item, but still have space for only this item (look at the image). A water current is above carring 2 items, red wool and blue wool.&lt;br/&gt;
The blue wool should go to the hopper, but sometimes its so close from the red wool that the hopper ignores it.&lt;/p&gt;

&lt;p&gt;To reproduce:&lt;br/&gt;
-Make a clock and a path like the one at the image&lt;br/&gt;
-Fill one dropper with red wool and the other with blue wool&lt;br/&gt;
-Let the clock run for a while and you will see some blue wool going by the hopper even if the hopper isn&apos;t full&lt;/p&gt;

&lt;p&gt;I&apos;ve searched but found none like this at the issues list&lt;/p&gt;

&lt;p&gt;Update:&lt;br/&gt;
You don&apos;t need the water, you can do just like the last image. The hopper is still filled with blue wool, but still have space for it.&lt;/p&gt;</description>
                <environment>Windows 7, Java 7</environment>
        <key id="21529">MC-8578</key>
            <summary>Hopper sometimes doesn&apos;t suck items above when they are overlaying</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="grum">[Mojang] Grum (Erik Broes)</assignee>
                                    <reporter username="gabrielsalla">Gabriel Salla</reporter>
                        <labels>
                            <label>hopper</label>
                            <label>ignore</label>
                            <label>item</label>
                            <label>overlaying</label>
                    </labels>
                <created>Mon, 28 Jan 2013 03:55:48 +0100</created>
                <updated>Mon, 7 Sep 2015 20:14:19 +0200</updated>
                            <resolved>Sun, 21 Dec 2014 00:17:53 +0100</resolved>
                                    <version>Snapshot 13w04a</version>
                    <version>Snapshot 13w05a</version>
                    <version>Snapshot 13w05b</version>
                    <version>Snapshot 13w06a</version>
                    <version>Snapshot 13w07a</version>
                    <version>Snapshot 13w09a</version>
                    <version>Snapshot 13w09b</version>
                    <version>Snapshot 13w09c</version>
                    <version>Snapshot 13w10a</version>
                    <version>Snapshot 13w10b</version>
                    <version>Minecraft 1.5</version>
                    <version>Snapshot 13w11a</version>
                    <version>Minecraft 1.5.1</version>
                    <version>Minecraft 1.5.2</version>
                    <version>Snapshot 13w17a</version>
                    <version>Snapshot 13w18a</version>
                    <version>Snapshot 13w18b</version>
                    <version>Snapshot 13w24a</version>
                    <version>Snapshot 13w24b</version>
                    <version>Snapshot 13w25a</version>
                    <version>Snapshot 13w25b</version>
                    <version>Snapshot 13w25c</version>
                    <version>Minecraft 1.6.1</version>
                    <version>Minecraft 1.6.2</version>
                    <version>Minecraft 1.6.4</version>
                    <version>Minecraft 13w39a</version>
                    <version>Minecraft 13w39b</version>
                    <version>Minecraft 1.7.1</version>
                    <version>Minecraft 1.7.2</version>
                    <version>Minecraft 13w48a</version>
                    <version>Minecraft 13w48b</version>
                    <version>Minecraft 13w49a</version>
                    <version>Minecraft 1.7.3</version>
                    <version>Minecraft 1.7.4</version>
                    <version>Minecraft 14w05b</version>
                    <version>Minecraft 14w06b</version>
                    <version>Minecraft 14w07a</version>
                    <version>Minecraft 14w08a</version>
                    <version>Minecraft 1.7.5</version>
                    <version>Minecraft 1.8</version>
                                    <fixVersion>Minecraft 1.8.2-pre2</fixVersion>
                                                        <votes>15</votes>
                                    <watches>5</watches>
                                                                            <comments>
                            <comment id="214600" author="xavier fredette" created="Fri, 2 Jan 2015 00:11:09 +0100"  >&lt;p&gt;Xavier fredette, and I will be a good time to time, and I&lt;/p&gt;</comment>
                            <comment id="203059" author="atomizer" created="Sat, 11 Oct 2014 16:07:00 +0200"  >&lt;p&gt;Confirmed for 1.8&lt;/p&gt;</comment>
                            <comment id="143311" author="ezekielelin" created="Wed, 26 Feb 2014 23:40:48 +0100"  >&lt;p&gt;Is this still a concern in the latest Minecraft version &lt;b&gt;14w08a&lt;/b&gt;? If so, please update the affected versions in order to best aid Mojang ensuring bugs are still valid in the latest releases/pre-releases.&lt;/p&gt;</comment>
                            <comment id="124957" author="gumenski" created="Sat, 14 Dec 2013 00:07:25 +0100"  >&lt;p&gt;Yes, still exists in 1.7.4 and despite being a major issue for a lot of contraptions (esp. item sorters), the cause seems to go mostly unrecognized since people just chalk it up to weird water behavior, lag, etc.  I put a report with the current version and really hope this gets fixed soon as the work-around for it is ridiculous.&lt;/p&gt;</comment>
                            <comment id="87766" author="ezekielelin" created="Wed, 10 Jul 2013 04:04:31 +0200"  >&lt;p&gt;Is this still a concern in the current Minecraft version? If so, please update the affected versions in order to best aid Mojang ensuring bugs are still valid in the latest releases/pre-releases.&lt;/p&gt;</comment>
                            <comment id="49643" author="turbocube" created="Mon, 4 Mar 2013 19:21:13 +0100"  >&lt;p&gt;made a quick video showing a way to reproduce the bug&lt;br/&gt;
read my other comment for a way to solve this bug&lt;/p&gt;</comment>
                            <comment id="47468" author="turbocube" created="Sun, 24 Feb 2013 22:40:52 +0100"  >&lt;p&gt;This happens because the hopper only checks the first item it finds above. If that item can&apos;t go in, the hopper won&apos;t check for any other to pick up until the first found item is out of range.&lt;br/&gt;
A solution would be to iterate over the list of items in the boundingbox above the hopper until it finds one wich can go in. That way the hopper still would only take one item every update, but if there&apos;s an item above it can take, it&apos;ll take it.&lt;/p&gt;</comment>
                            <comment id="40950" author="gabrielsalla" created="Tue, 29 Jan 2013 17:33:35 +0100"  >&lt;p&gt;Thanks&lt;/p&gt;</comment>
                            <comment id="40947" author="bljat" created="Tue, 29 Jan 2013 17:17:59 +0100"  >&lt;p&gt;Confirmed.&lt;/p&gt;</comment>
                            <comment id="40942" author="gabrielsalla" created="Tue, 29 Jan 2013 17:06:00 +0100"  >&lt;p&gt;If it&apos;s marked as &quot;Cannot reproduce&quot; it&apos;s because who did it didn&apos;t tried...&lt;br/&gt;
I&apos;m uploading a world where there is the same thing I did at the last image.  Just need to turn on the clock and you will see the blue wool stay above the hopper and don&apos;t go inside it.&lt;/p&gt;</comment>
                            <comment id="40934" author="gabrielsalla" created="Tue, 29 Jan 2013 16:46:54 +0100"  >&lt;p&gt;How can&apos;t reproduce? Just do like the image and it happens :/&lt;br/&gt;
It&apos;s annoying me because my filter doesn&apos;t work when skeleton drops bones and arrows...&lt;/p&gt;</comment>
                    </comments>
                <issuelinks>
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                    <name>Duplicate</name>
                                                                <inwardlinks description="is duplicated by">
                                        <issuelink>
            <issuekey id="18736">MC-6076</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="22362">MC-8972</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="25562">MC-11426</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="27015">MC-12266</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="28455">MC-13374</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="65910">MC-42182</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="75865">MC-50042</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="80758">MC-54458</issuekey>
        </issuelink>
                            </inwardlinks>
                                    </issuelinktype>
                            <issuelinktype id="10103">
                    <name>Relates</name>
                                            <outwardlinks description="relates to">
                                        <issuelink>
            <issuekey id="18893">MC-6228</issuekey>
        </issuelink>
                            </outwardlinks>
                                                        </issuelinktype>
                    </issuelinks>
                <attachments>
                            <attachment id="20084" name="2013-01-28_00.47.59.png" size="341181" author="gabrielsalla" created="Mon, 28 Jan 2013 03:55:48 +0100"/>
                            <attachment id="20085" name="2013-01-28_00.48.04.png" size="202994" author="gabrielsalla" created="Mon, 28 Jan 2013 03:55:48 +0100"/>
                            <attachment id="20086" name="2013-01-28_00.48.24.png" size="229873" author="gabrielsalla" created="Mon, 28 Jan 2013 03:55:48 +0100"/>
                            <attachment id="20087" name="2013-01-28_00.48.31.png" size="204661" author="gabrielsalla" created="Mon, 28 Jan 2013 03:55:48 +0100"/>
                            <attachment id="20088" name="2013-01-28_00.58.09.png" size="89299" author="gabrielsalla" created="Mon, 28 Jan 2013 03:59:55 +0100"/>
                            <attachment id="23419" name="Hopperbug480p.mov" size="5839851" author="turbocube" created="Mon, 4 Mar 2013 19:21:13 +0100"/>
                            <attachment id="20197" name="New World.rar" size="517388" author="gabrielsalla" created="Tue, 29 Jan 2013 17:06:48 +0100"/>
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