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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-2102] Mobs spawning inside leaves</title>
                <link>https://bugs.mojang.com/browse/MC-2102</link>
                <project id="10400" key="MC">Minecraft: Java Edition</project>
                    <description>&lt;p&gt;The animals are trapped in pastures to spawn...in survival and creative&lt;br/&gt;
&lt;a href=&quot;http://www.youtube.com/watch?v=l3wLq5VnM5E&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;http://www.youtube.com/watch?v=l3wLq5VnM5E&lt;/a&gt;&lt;/p&gt;</description>
                <environment>Win 7,64bit,Java TM  Update 5,Intel Core i7 3.2GHz</environment>
        <key id="13494">MC-2102</key>
            <summary>Mobs spawning inside leaves</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="ignacio_21496">Ignacio Romang</reporter>
                        <labels>
                            <label>animal</label>
                            <label>bush</label>
                            <label>leaves</label>
                            <label>mob</label>
                            <label>spawn</label>
                            <label>tree</label>
                    </labels>
                <created>Sat, 3 Nov 2012 16:23:38 +0100</created>
                <updated>Wed, 2 Dec 2015 03:38:43 +0100</updated>
                            <resolved>Wed, 2 Dec 2015 03:38:43 +0100</resolved>
                                    <version>Minecraft 1.4.2</version>
                    <version>Minecraft 1.4.6</version>
                    <version>Minecraft 1.4.7</version>
                    <version>Snapshot 13w09a</version>
                    <version>Snapshot 13w09b</version>
                    <version>Snapshot 13w10a</version>
                    <version>Snapshot 13w10b</version>
                    <version>Minecraft 1.5</version>
                    <version>Snapshot 13w19a</version>
                    <version>Snapshot 13w21a</version>
                    <version>Minecraft 1.6.1</version>
                    <version>Minecraft 1.6.2</version>
                    <version>Minecraft 13w38a</version>
                    <version>Minecraft 13w38b</version>
                    <version>Minecraft 13w38c</version>
                    <version>Minecraft 1.7.4</version>
                    <version>Minecraft 14w02c</version>
                    <version>Minecraft 14w03b</version>
                    <version>Minecraft 14w04a</version>
                    <version>Minecraft 14w04b</version>
                    <version>Minecraft 14w05b</version>
                    <version>Minecraft 14w06a</version>
                    <version>Minecraft 14w06b</version>
                    <version>Minecraft 14w08a</version>
                    <version>Minecraft 1.7.5</version>
                    <version>Minecraft 14w10b</version>
                    <version>Minecraft 14w10c</version>
                    <version>Minecraft 14w11b</version>
                    <version>Minecraft 14w26c</version>
                    <version>Minecraft 14w32a</version>
                    <version>Minecraft 14w32b</version>
                    <version>Minecraft 1.8-pre1</version>
                    <version>Minecraft 1.8</version>
                    <version>Minecraft 1.8.1</version>
                    <version>Minecraft 1.8.3</version>
                    <version>Minecraft 1.8.4</version>
                    <version>Minecraft 1.8.7</version>
                    <version>Minecraft 15w35a</version>
                    <version>Minecraft 15w44b</version>
                    <version>Minecraft 15w45a</version>
                                    <fixVersion>Minecraft 15w47c</fixVersion>
                                                        <votes>100</votes>
                                    <watches>11</watches>
                                                                            <comments>
                            <comment id="269589" author="banana478" created="Wed, 2 Dec 2015 03:38:43 +0100"  >&lt;p&gt;Certainly seems fixed; I flew around for a while in the jungle that Markku provided and all the animals seemed to have spawned correctly.&lt;/p&gt;</comment>
                            <comment id="269075" author="torabi" created="Sun, 29 Nov 2015 17:39:13 +0100"  >&lt;p&gt;Was this fixed as a result of &lt;a href=&quot;https://bugs.mojang.com/browse/MC-64492&quot; title=&quot;Changes to mob spawning algorithm (Mobs don&amp;#39;t require &amp;#39;Air&amp;#39;-block for spawning cycle)&quot; class=&quot;issue-link&quot; data-issue-key=&quot;MC-64492&quot;&gt;&lt;del&gt;MC-64492&lt;/del&gt;&lt;/a&gt; being fixed?&lt;/p&gt;</comment>
                            <comment id="245151" author="mproncace" created="Mon, 24 Aug 2015 17:42:47 +0200"  >&lt;p&gt;Still present in 1.9 snapshots (as of 15w35a). The sheep I saw didn&apos;t seem to be suffocating, though.&lt;/p&gt;</comment>
                            <comment id="231371" author="marcono1234" created="Wed, 17 Jun 2015 16:49:10 +0200"  >&lt;p&gt;Confirmed for&lt;/p&gt;
&lt;ul class=&quot;alternate&quot; type=&quot;square&quot;&gt;
	&lt;li&gt;&lt;b&gt;1.8.7&lt;/b&gt; I assume the game treats the leaves as non-solid blocks when spawning the animals&lt;/li&gt;
&lt;/ul&gt;
</comment>
                            <comment id="227382" author="pathfinder2" created="Fri, 15 May 2015 22:53:38 +0200"  >&lt;p&gt;1.8.4 17 sheep spawned in a leaf block, jungle, and suffocated\&lt;br/&gt;
Creative&lt;/p&gt;</comment>
                            <comment id="203594" author="mistersanderson" created="Wed, 15 Oct 2014 22:19:09 +0200"  >&lt;p&gt;In 1.8 I saw an animal on the top of a tree... I think this is related to this bug.&lt;/p&gt;</comment>
                            <comment id="200925" author="diamonddragon721" created="Sat, 20 Sep 2014 23:03:47 +0200"  >&lt;p&gt;Still in 1.8 &lt;/p&gt;</comment>
                            <comment id="193624" author="niknokinater" created="Mon, 25 Aug 2014 05:40:47 +0200"  >&lt;p&gt;Confirmed in the 1.8 -Pre1.&lt;/p&gt;</comment>
                            <comment id="185888" author="jonathan.hynes" created="Thu, 7 Aug 2014 20:39:32 +0200"  >&lt;p&gt;Animals are spawning inside leaves in 14w32b.&lt;/p&gt;</comment>
                            <comment id="154069" author="insomniac_lemon" created="Wed, 30 Apr 2014 21:40:33 +0200"  >&lt;p&gt;So, because of &lt;a href=&quot;https://bugs.mojang.com/browse/MC-46765&quot; title=&quot;Leaves, Block of Redstone, TNT and Glowstone cause suffocation damage&quot; class=&quot;issue-link&quot; data-issue-key=&quot;MC-46765&quot;&gt;&lt;del&gt;MC-46765&lt;/del&gt;&lt;/a&gt; animals spawned in leaves suffocate. Why is that, can chickens somehow exploit this to grief? Can sheep use it to find ores? Can pigs use it to gain an advantage in SMP?&lt;/p&gt;

&lt;p&gt;Come on, something to manage player balance should only affect &lt;em&gt;players&lt;/em&gt;. Mobs don&apos;t spawn normally as it is, so having a big chunk of them die in leaves because of an X-ray issue is a big problem and frankly stupid.&lt;/p&gt;</comment>
                            <comment id="145708" author="bugi74" created="Sat, 8 Mar 2014 20:02:04 +0100"  >&lt;p&gt;Affects 14w10c. Used creative mode and seed -4542366974610774625, fly, /tp ... 1200 120 800, let the area generate, fly lower and around. At least 3 groups of sheeps with at least one sheep inside leaves initially. They do seem to get out eventually, jumping on top of the leaves they spawn in, so if taking too long looking for them, they will be free already.&lt;/p&gt;</comment>
                            <comment id="139167" author="banana478" created="Sat, 8 Feb 2014 16:58:19 +0100"  >&lt;p&gt;Suffocation in leaves: &lt;a href=&quot;https://bugs.mojang.com/browse/MC-46765&quot; title=&quot;Leaves, Block of Redstone, TNT and Glowstone cause suffocation damage&quot; class=&quot;issue-link&quot; data-issue-key=&quot;MC-46765&quot;&gt;&lt;del&gt;MC-46765&lt;/del&gt;&lt;/a&gt;&lt;br/&gt;
The animals that are only 1 block tall or shorter have their head in the leaves, and so, suffocate. The animals that are 1.5 blocks tall or more don&apos;t have their heads in a leaf block, so they don&apos;t suffocate.&lt;/p&gt;</comment>
                            <comment id="139159" author="ezekielelin" created="Sat, 8 Feb 2014 16:11:07 +0100"  >&lt;p&gt;That is probably because they suffocate due to another bug.&lt;/p&gt;</comment>
                            <comment id="139127" author="garyclosse" created="Sat, 8 Feb 2014 14:00:27 +0100"  >&lt;p&gt;I&apos;ve the feeling that mobs appear less often in the leaves in 06b but this is still the case. Some mobs suffocate while others do not.&lt;/p&gt;</comment>
                            <comment id="134786" author="torabi" created="Sat, 25 Jan 2014 01:08:31 +0100"  >&lt;p&gt;&lt;del&gt;While you can&apos;t include screenshots in a comment&lt;/del&gt; (other than providing a link to one), you can attach one to an issue by clicking the &quot;Attach Files&quot; button at the top of the page.&lt;/p&gt;

&lt;p&gt;Actually, you can include images in comments. If it&apos;s already attached to the ticket, you can just surround its filename with exclamation points. If it&apos;s uploaded elsewhere, you can use the full URL of the file.&lt;/p&gt;</comment>
                            <comment id="134750" author="nintendofan409" created="Sat, 25 Jan 2014 00:09:06 +0100"  >&lt;p&gt;They are! I was playing in a 14w04a survival world, and I found a sheep inside a leaf block! And I also have a question: How do I upload screenshots on comments?&lt;/p&gt;</comment>
                            <comment id="133583" author="ezekielelin" created="Wed, 22 Jan 2014 17:05:22 +0100"  >&lt;p&gt;Is this still a concern in the latest Minecraft version &lt;b&gt;14w03b&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="123067" author="ptr91" created="Mon, 2 Dec 2013 20:12:02 +0100"  >&lt;p&gt;Confirmed for 13w48b. I saw a few chickens inside one of those miniature one-log-block jungle trees.&lt;/p&gt;</comment>
                            <comment id="105788" author="grzegorj" created="Mon, 23 Sep 2013 16:45:12 +0200"  >&lt;p&gt;Confirmed: affects 13w38c. It even seems that the number of mobs trapped in leaves has grown (more mobs spawn in leaves than before).&lt;/p&gt;</comment>
                            <comment id="105161" author="vrejgaming" created="Sat, 21 Sep 2013 16:28:15 +0200"  >&lt;p&gt;Confirmed.&lt;/p&gt;</comment>
                            <comment id="89368" author="bugi74" created="Thu, 11 Jul 2013 21:15:40 +0200"  >&lt;p&gt;Affects 1.6.2 (situation same as couple comments ago, my test seed now produces only chickens near the spawn, but some of them are inside leaves).&lt;/p&gt;</comment>
                            <comment id="77998" author="likalaruku" created="Fri, 28 Jun 2013 01:20:11 +0200"  >&lt;p&gt;I&apos;ve seen sheep spawning inside of trees &amp;amp; jungle bushes ever since we got the jungle biomes. Used to be pigs too.&lt;/p&gt;</comment>
                            <comment id="49685" author="bugi74" created="Mon, 4 Mar 2013 20:38:48 +0100"  >&lt;p&gt;Affects 13w10a. Found cows in another world&apos;s jungle, one of them stuck in leaves.&lt;/p&gt;</comment>
                            <comment id="48440" author="bugi74" created="Thu, 28 Feb 2013 20:47:50 +0100"  >&lt;p&gt;Affects 13w09b. Interesting though, I could only find chickens in the test-jungle. Nevertheless, both me and many of the chickens were spawned inside leaves.&lt;/p&gt;</comment>
                            <comment id="46238" author="bugi74" created="Sun, 17 Feb 2013 15:39:31 +0100"  >&lt;p&gt;&lt;b&gt;Fix&lt;/b&gt;&lt;br/&gt;
Original code:&lt;/p&gt;
&lt;div class=&quot;code panel&quot; style=&quot;border-width: 1px;&quot;&gt;&lt;div class=&quot;codeHeader panelHeader&quot; style=&quot;border-bottom-width: 1px;&quot;&gt;&lt;b&gt;SpawnerAnimals.performWorldGenSpawning()&lt;/b&gt;&lt;/div&gt;&lt;div class=&quot;codeContent panelContent&quot;&gt;
&lt;pre class=&quot;code-java&quot;&gt;    ...
    &lt;span class=&quot;code-keyword&quot;&gt;if&lt;/span&gt; (canCreatureTypeSpawnAtLocation(EnumCreatureType.creature, par0World, var10, var17, var11)) {
        &lt;span class=&quot;code-object&quot;&gt;float&lt;/span&gt; var18 = (&lt;span class=&quot;code-object&quot;&gt;float&lt;/span&gt;)var10 + 0.5F;
        &lt;span class=&quot;code-object&quot;&gt;float&lt;/span&gt; var19 = (&lt;span class=&quot;code-object&quot;&gt;float&lt;/span&gt;)var17;
        &lt;span class=&quot;code-object&quot;&gt;float&lt;/span&gt; var20 = (&lt;span class=&quot;code-object&quot;&gt;float&lt;/span&gt;)var11 + 0.5F;
        EntityLiving var21;

        &lt;span class=&quot;code-keyword&quot;&gt;try&lt;/span&gt; {
            var21 = (EntityLiving)var8.entityClass.getConstructor(&lt;span class=&quot;code-keyword&quot;&gt;new&lt;/span&gt; &lt;span class=&quot;code-object&quot;&gt;Class&lt;/span&gt;[] {World.class}).newInstance(&lt;span class=&quot;code-keyword&quot;&gt;new&lt;/span&gt; &lt;span class=&quot;code-object&quot;&gt;Object&lt;/span&gt;[] {par0World});
        } &lt;span class=&quot;code-keyword&quot;&gt;catch&lt;/span&gt; (Exception var23) {
            var23.printStackTrace();
            &lt;span class=&quot;code-keyword&quot;&gt;continue&lt;/span&gt;;
        }

        var21.setLocationAndAngles((&lt;span class=&quot;code-object&quot;&gt;double&lt;/span&gt;)var18, (&lt;span class=&quot;code-object&quot;&gt;double&lt;/span&gt;)var19, (&lt;span class=&quot;code-object&quot;&gt;double&lt;/span&gt;)var20, par6Random.nextFloat() * 360.0F, 0.0F);
        par0World.spawnEntityInWorld(var21);
        creatureSpecificInit(var21, par0World, var18, var19, var20);
        var15 = &lt;span class=&quot;code-keyword&quot;&gt;true&lt;/span&gt;;
    }
    ...
&lt;/pre&gt;
&lt;/div&gt;&lt;/div&gt;

&lt;p&gt;Fixed, with MCP naming and my own additional variable name interpretations:&lt;/p&gt;
&lt;div class=&quot;code panel&quot; style=&quot;border-width: 1px;&quot;&gt;&lt;div class=&quot;codeHeader panelHeader&quot; style=&quot;border-bottom-width: 1px;&quot;&gt;&lt;b&gt;SpawnerAnimals.performWorldGenSpawning()&lt;/b&gt;&lt;/div&gt;&lt;div class=&quot;codeContent panelContent&quot;&gt;
&lt;pre class=&quot;code-java&quot;&gt;    ...
    &lt;span class=&quot;code-keyword&quot;&gt;if&lt;/span&gt; (canCreatureTypeSpawnAtLocation(EnumCreatureType.creature, world, spawnX, spawnVerY, spawnHorZ)) {
        &lt;span class=&quot;code-object&quot;&gt;float&lt;/span&gt; var18 = (&lt;span class=&quot;code-object&quot;&gt;float&lt;/span&gt;) spawnX + 0.5F;
        &lt;span class=&quot;code-object&quot;&gt;float&lt;/span&gt; var19 = (&lt;span class=&quot;code-object&quot;&gt;float&lt;/span&gt;) spawnVerY;
        &lt;span class=&quot;code-object&quot;&gt;float&lt;/span&gt; var20 = (&lt;span class=&quot;code-object&quot;&gt;float&lt;/span&gt;) spawnHorZ + 0.5F;
        EntityLiving var21;

        &lt;span class=&quot;code-keyword&quot;&gt;try&lt;/span&gt; {
            var21 = (EntityLiving) var8.entityClass.getConstructor(&lt;span class=&quot;code-keyword&quot;&gt;new&lt;/span&gt; &lt;span class=&quot;code-object&quot;&gt;Class&lt;/span&gt;[] { World.class }).newInstance(&lt;span class=&quot;code-keyword&quot;&gt;new&lt;/span&gt; &lt;span class=&quot;code-object&quot;&gt;Object&lt;/span&gt;[] { world });
        } &lt;span class=&quot;code-keyword&quot;&gt;catch&lt;/span&gt; (Exception var23) {
            var23.printStackTrace();
            &lt;span class=&quot;code-keyword&quot;&gt;continue&lt;/span&gt;;
        }

        &lt;span class=&quot;code-comment&quot;&gt;// FIX:
&lt;/span&gt;        &lt;span class=&quot;code-object&quot;&gt;boolean&lt;/span&gt; doSpawn = &lt;span class=&quot;code-keyword&quot;&gt;true&lt;/span&gt;;
        &lt;span class=&quot;code-object&quot;&gt;int&lt;/span&gt; blockId = world.getBlockId(spawnX, spawnVerY, spawnHorZ);
        &lt;span class=&quot;code-keyword&quot;&gt;if&lt;/span&gt; (blockId != 0 &amp;amp;&amp;amp; Block.blocksList[blockId].blockMaterial == Material.leaves) {
            doSpawn = &lt;span class=&quot;code-keyword&quot;&gt;false&lt;/span&gt;;
            &lt;span class=&quot;code-keyword&quot;&gt;for&lt;/span&gt; (&lt;span class=&quot;code-object&quot;&gt;int&lt;/span&gt; climbLeaves = 1; climbLeaves &amp;lt;= 3; climbLeaves++) {
                blockId = world.getBlockId(spawnX, spawnVerY+climbLeaves, spawnHorZ);
                &lt;span class=&quot;code-keyword&quot;&gt;if&lt;/span&gt; (blockId == 0) {
                    var19 += climbLeaves;
                    doSpawn = &lt;span class=&quot;code-keyword&quot;&gt;true&lt;/span&gt;;
                    &lt;span class=&quot;code-keyword&quot;&gt;break&lt;/span&gt;;
                }
            }
        }
        &lt;span class=&quot;code-comment&quot;&gt;// Continue as before &lt;span class=&quot;code-keyword&quot;&gt;if&lt;/span&gt; the block is considered suitable:
&lt;/span&gt;        &lt;span class=&quot;code-keyword&quot;&gt;if&lt;/span&gt; (doSpawn) {
            var21.setLocationAndAngles((&lt;span class=&quot;code-object&quot;&gt;double&lt;/span&gt;) var18, (&lt;span class=&quot;code-object&quot;&gt;double&lt;/span&gt;) var19, (&lt;span class=&quot;code-object&quot;&gt;double&lt;/span&gt;) var20, chunkProvidersRandom.nextFloat() * 360.0F, 0.0F);
            world.spawnEntityInWorld(var21);
            creatureSpecificInit(var21, world, var18, var19, var20);
            spawned = &lt;span class=&quot;code-keyword&quot;&gt;true&lt;/span&gt;;
        }
    }
    ...
&lt;/pre&gt;
&lt;/div&gt;&lt;/div&gt;
&lt;p&gt;The fixed code above &lt;em&gt;may&lt;/em&gt; have some oopsies as I had to slightly clean it up without checking (the real version has plenty of debugging nonsense in it), but the idea is clear.&lt;/p&gt;

&lt;p&gt;Also, a better fix would be to provide another method in world class that already seeks for the place above leaves, so that the method can be used by other spawning routines, too. For example, (by MCP naming) WorldGenShrub would also benefit from the same/similar fix, and there is another similar spawner method in the same SpawnerAnimals class.&lt;/p&gt;

&lt;p&gt;I&apos;ve attached a console log file &apos;jungle-console-results.txt&apos; showing a little bit of what is happening when the fix is applied (and also with a check, but no fix, in the WorldGenShrub class).&lt;/p&gt;

&lt;p&gt;A good seed to check the results could be 4541576050680254111; it has several animals blocked in the leaves quite near the spawn. (Also, as an additional benefit, that is a good seed to test the problem of player spawned inside leaves, as it seems to do so very frequently, including a case where I spawned standing on a branch of a &quot;big tree&quot;, inside leaves.)&lt;/p&gt;</comment>
                            <comment id="46233" author="bugi74" created="Sun, 17 Feb 2013 14:56:37 +0100"  >&lt;p&gt;There are two ways the game gets animals inside leaves.&lt;/p&gt;

&lt;p&gt;One is when an animal has already been created and the terrain generator creates a bush (in jungle) without checking where it puts its leaves. This is somewhat rare (like 2-3 cases when generating new world and starting near a jungle).&lt;/p&gt;

&lt;p&gt;The other is when an animal is being spawned and the leaves are already there. The spawning routine asks the world object for the top solid or liquid block (i.e. ground or water surface). However, this indeed returns the &lt;em&gt;ground&lt;/em&gt; level; The method has specific check to ignore leaves. It then checks the creature type if it is ok to spawn in the block, but this check only considers things like water animal into water. This mistake of ignoring leaves and using blindly the ground level causes most of trouble; like 33 cases with the same jungle as those 2-3 other cases.  (Edit: note, some of those 33 may get themselves out of the leaves by themselves.)&lt;/p&gt;</comment>
                            <comment id="34545" author="banana478" created="Wed, 9 Jan 2013 22:49:33 +0100"  >&lt;p&gt;I have seen this happen with cows, pigs, and chickens too. You were probably just unlucky.&lt;/p&gt;</comment>
                            <comment id="34450" author="turt2live" created="Wed, 9 Jan 2013 15:53:16 +0100"  >&lt;p&gt;Confirmed as well, and just cause: &lt;a href=&quot;http://home.turt2live.com/sheep.png&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;http://home.turt2live.com/sheep.png&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;It seems to only happen to sheep, and only in specific spots. I&apos;ve noticed that after I free the sheep very often there is another sheep there a couple hours later&lt;/p&gt;</comment>
                            <comment id="31671" author="davidknag" created="Mon, 31 Dec 2012 01:23:14 +0100"  >&lt;p&gt;Confirmed. This happens to me all the time.&lt;/p&gt;</comment>
                            <comment id="27034" author="kaasinees" created="Sat, 8 Dec 2012 02:20:33 +0100"  >&lt;p&gt;its not a bug its a feature.&lt;/p&gt;</comment>
                            <comment id="27030" author="skyress2000" created="Sat, 8 Dec 2012 01:41:56 +0100"  >&lt;p&gt;Seen this issue many, mnay times.&lt;/p&gt;</comment>
                            <comment id="24125" author="banana478" created="Thu, 22 Nov 2012 15:50:50 +0100"  >&lt;p&gt;But the animal AI doesn&apos;t try to get out of leaves, and so the animal is stuck there until the block it is in is destroyed.&lt;/p&gt;</comment>
                            <comment id="24121" author="firehunterx" created="Thu, 22 Nov 2012 15:35:26 +0100"  >&lt;p&gt;You can&apos;t die in leaves. And unless you stand right next to a sapling and bone meal it, it won&apos;t happen again.&lt;br/&gt;
It&apos;s a one-time thing.&lt;/p&gt;</comment>
                            <comment id="23782" author="gulden" created="Wed, 21 Nov 2012 03:17:46 +0100"  >&lt;p&gt;happens very often when I play! NOT ONLY in jungles. every tree leafs! Shouldn&apos;t be that difficult to fix I guess&lt;/p&gt;</comment>
                            <comment id="20105" author="vit" created="Fri, 9 Nov 2012 23:28:25 +0100"  >&lt;p&gt;Yes, its especially annoing in jungle biomes&lt;/p&gt;</comment>
                            <comment id="18393" author="league" created="Mon, 5 Nov 2012 12:53:34 +0100"  >&lt;p&gt;arthur stop starting every word of your sentence with a capital!!!!&lt;/p&gt;</comment>
                            <comment id="18386" author="fuj1n" created="Mon, 5 Nov 2012 12:46:38 +0100"  >&lt;p&gt;@Tyron That And It Also Spawn The Jungle Over The Mobs A Lot Of Times During World Generation&lt;/p&gt;</comment>
                            <comment id="18377" author="tyron" created="Mon, 5 Nov 2012 12:09:19 +0100"  >&lt;p&gt;The fix is quite simple I think. The spawning Algo currently checks if the the block to spawn on is translucent, but instead it should check if the block has a bounding box where entities collide on.&lt;/p&gt;</comment>
                            <comment id="18109" author="chalmes" created="Sun, 4 Nov 2012 20:20:14 +0100"  >&lt;p&gt;Duplicate of &lt;a href=&quot;https://bugs.mojang.com/browse/MC-1998&quot; title=&quot;Animals generated in the leaves&quot; class=&quot;issue-link&quot; data-issue-key=&quot;MC-1998&quot;&gt;&lt;del&gt;MC-1998&lt;/del&gt;&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="17822" author="stuntguy3000" created="Sat, 3 Nov 2012 23:15:30 +0100"  >&lt;p&gt;This has been around since before 1.4, Basically animals spawn on the grass, in the leaf blocks.&lt;/p&gt;</comment>
                            <comment id="17662" author="mustek" created="Sat, 3 Nov 2012 16:25:23 +0100"  >&lt;p&gt;Please provide a description of your issue, and not just pictures.&lt;/p&gt;</comment>
                    </comments>
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            <issuekey id="21127">MC-8210</issuekey>
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            <issuelink>
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            <issuelink>
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