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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-2287] java.io.IOException: Bad packet id 254</title>
                <link>https://bugs.mojang.com/browse/MC-2287</link>
                <project id="10400" key="MC">Minecraft: Java Edition</project>
                    <description>&lt;p&gt;Can&apos;t login to a specific server because of an &quot;java.io.IOException: Bad packet id 254&quot; followed by an &quot;NullPointerException&quot;. I attached the crashlog from the Minecraft Window and additional the output from the console window.&lt;/p&gt;



&lt;div class=&quot;code panel&quot; style=&quot;border-width: 1px;&quot;&gt;&lt;div class=&quot;codeContent panelContent&quot;&gt;
&lt;pre class=&quot;code-java&quot;&gt;27 achievements
208 recipes
Setting user: mrheat, -8270745847486701007
LWJGL Version: 2.8.3

Starting up SoundSystem...
Initializing LWJGL OpenAL
    (The LWJGL binding of OpenAL.  For more information, see http:&lt;span class=&quot;code-comment&quot;&gt;//www.lwjgl.or
&lt;/span&gt;g)
OpenAL initialized.

Connecting to 217.198.142.40, 25565
java.io.IOException: Bad packet id 254
        at dx.a(SourceFile:181)
        at bx.i(SourceFile:248)
        at bx.c(SourceFile:23)
        at by.run(SourceFile:101)
java.lang.NullPointerException
        at xe.&amp;lt;init&amp;gt;(SourceFile:126)
        at awz.&amp;lt;init&amp;gt;(SourceFile:39)
        at awr.a(SourceFile:148)
        at &lt;span class=&quot;code-keyword&quot;&gt;do&lt;/span&gt;.a(SourceFile:71)
        at bx.b(SourceFile:341)
        at awr.d(SourceFile:98)
        at awz.b(SourceFile:61)
        at net.minecraft.client.Minecraft.l(SourceFile:1282)
        at net.minecraft.client.Minecraft.J(SourceFile:582)
        at net.minecraft.client.Minecraft.run(SourceFile:534)
        at java.lang.&lt;span class=&quot;code-object&quot;&gt;Thread&lt;/span&gt;.run(Unknown Source)
Stopping!

SoundSystem shutting down...
    Author: Paul Lamb, www.paulscode.com



      Minecraft has crashed!      
      ----------------------      

Minecraft has stopped running because it encountered a problem; Unexpected error
This error has been saved to C:\Dokumente und Einstellungen\Thiemo\Anwendungsdaten\.minecraft\crash-reports\crash-2012-11-05_00.15.00-client.txt &lt;span class=&quot;code-keyword&quot;&gt;for&lt;/span&gt; your convenience. Please include a copy of &lt;span class=&quot;code-keyword&quot;&gt;this&lt;/span&gt; file &lt;span class=&quot;code-keyword&quot;&gt;if&lt;/span&gt; you report &lt;span class=&quot;code-keyword&quot;&gt;this&lt;/span&gt; crash to anyone.



--- BEGIN ERROR REPORT 563d5ba --------
Generated 05.11.12 00:15

- Minecraft Version: 1.4.2
- Operating &lt;span class=&quot;code-object&quot;&gt;System&lt;/span&gt;: Windows XP (x86) version 5.1
- Java Version: 1.6.0_24, Sun Microsystems Inc.
- Java VM Version: Java HotSpot(TM) Client VM (mixed mode, sharing), Sun Microsystems Inc.
- Memory: 36013184 bytes (34 MB) / 74756096 bytes (71 MB) up to 518979584 bytes (494 MB)
- JVM Flags: 1 total; -Xmx512M
- AABB Pool Size: 2849 (159544 bytes; 0 MB) allocated, 37 (2072 bytes; 0 MB) used
- LWJGL: 2.8.3
- OpenGL: Radeon X1650 Series x86/MMX/3DNow!/SSE2 GL version 2.0.7058 WinXP Release, ATI Technologies Inc.
- Is Modded: Probably not
- Type: Client
- Texture Pack: Default
- Profiler Position: N/A (disabled)
- Vec3 Pool Size: 28 (1568 bytes; 0 MB) allocated, 19 (1064 bytes; 0 MB) used
- World MpServer Entities: 8 total; [axc[&lt;span class=&quot;code-quote&quot;&gt;&apos;mrheat&apos;&lt;/span&gt;/4095381, l=&lt;span class=&quot;code-quote&quot;&gt;&apos;MpServer&apos;&lt;/span&gt;, x=-6696,67, y=49,62, z=-3147,49], lq[&lt;span class=&quot;code-quote&quot;&gt;&apos;Painting&apos;&lt;/span&gt;/4095441, l=&lt;span class=&quot;code-quote&quot;&gt;&apos;MpServer&apos;&lt;/span&gt;, x=-6673,06, y=73,50, z=-3139,00], lq[&lt;span class=&quot;code-quote&quot;&gt;&apos;Painting&apos;&lt;/span&gt;/4095440, l=&lt;span class=&quot;code-quote&quot;&gt;&apos;MpServer&apos;&lt;/span&gt;, x=-6680,00, y=74,50, z=-3137,06], lq[&lt;span class=&quot;code-quote&quot;&gt;&apos;Painting&apos;&lt;/span&gt;/4095439, l=&lt;span class=&quot;code-quote&quot;&gt;&apos;MpServer&apos;&lt;/span&gt;, x=-6686,94, y=74,00, z=-3137,50], oi[&lt;span class=&quot;code-quote&quot;&gt;&apos;Chicken&apos;&lt;/span&gt;/4095430, l=&lt;span class=&quot;code-quote&quot;&gt;&apos;MpServer&apos;&lt;/span&gt;, x=-6691,59, y=72,00, z=-3120,41], lm[&lt;span class=&quot;code-quote&quot;&gt;&apos;entity.ItemFrame.name&apos;&lt;/span&gt;/4095384, l=&lt;span class=&quot;code-quote&quot;&gt;&apos;MpServer&apos;&lt;/span&gt;, x=-6697,06, y=49,50, z=-3144,50], lm[&lt;span class=&quot;code-quote&quot;&gt;&apos;entity.ItemFrame.name&apos;&lt;/span&gt;/4095383, l=&lt;span class=&quot;code-quote&quot;&gt;&apos;MpServer&apos;&lt;/span&gt;, x=-6694,94, y=49,50, z=-3144,50], ol[&lt;span class=&quot;code-quote&quot;&gt;&apos;Mooshroom&apos;&lt;/span&gt;/4095382, l=&lt;span class=&quot;code-quote&quot;&gt;&apos;MpServer&apos;&lt;/span&gt;, x=-6700,03, y=35,00, z=-3146,94]]
- World MpServer Players: 1 total; [axc[&lt;span class=&quot;code-quote&quot;&gt;&apos;mrheat&apos;&lt;/span&gt;/4095381, l=&lt;span class=&quot;code-quote&quot;&gt;&apos;MpServer&apos;&lt;/span&gt;, x=-6696,67, y=49,62, z=-3147,49]]
- World MpServer Chunk Stats: MultiplayerChunkCache: 15
- Forced Entities: 11 total; [axc[&lt;span class=&quot;code-quote&quot;&gt;&apos;mrheat&apos;&lt;/span&gt;/4095381, l=&lt;span class=&quot;code-quote&quot;&gt;&apos;MpServer&apos;&lt;/span&gt;, x=-6696,67, y=49,62, z=-3147,49], lq[&lt;span class=&quot;code-quote&quot;&gt;&apos;Painting&apos;&lt;/span&gt;/4095441, l=&lt;span class=&quot;code-quote&quot;&gt;&apos;MpServer&apos;&lt;/span&gt;, x=-6673,06, y=73,50, z=-3139,00], lq[&lt;span class=&quot;code-quote&quot;&gt;&apos;Painting&apos;&lt;/span&gt;/4095440, l=&lt;span class=&quot;code-quote&quot;&gt;&apos;MpServer&apos;&lt;/span&gt;, x=-6680,00, y=74,50, z=-3137,06], lq[&lt;span class=&quot;code-quote&quot;&gt;&apos;Painting&apos;&lt;/span&gt;/4095439, l=&lt;span class=&quot;code-quote&quot;&gt;&apos;MpServer&apos;&lt;/span&gt;, x=-6686,94, y=74,00, z=-3137,50], lq[&lt;span class=&quot;code-quote&quot;&gt;&apos;Painting&apos;&lt;/span&gt;/4095439, l=&lt;span class=&quot;code-quote&quot;&gt;&apos;MpServer&apos;&lt;/span&gt;, x=-6686,94, y=74,00, z=-3137,50], lm[&lt;span class=&quot;code-quote&quot;&gt;&apos;entity.ItemFrame.name&apos;&lt;/span&gt;/4095384, l=&lt;span class=&quot;code-quote&quot;&gt;&apos;MpServer&apos;&lt;/span&gt;, x=-6697,06, y=49,50, z=-3144,50], lm[&lt;span class=&quot;code-quote&quot;&gt;&apos;entity.ItemFrame.name&apos;&lt;/span&gt;/4095383, l=&lt;span class=&quot;code-quote&quot;&gt;&apos;MpServer&apos;&lt;/span&gt;, x=-6694,94, y=49,50, z=-3144,50], ol[&lt;span class=&quot;code-quote&quot;&gt;&apos;Mooshroom&apos;&lt;/span&gt;/4095382, l=&lt;span class=&quot;code-quote&quot;&gt;&apos;MpServer&apos;&lt;/span&gt;, x=-6700,03, y=35,00, z=-3146,94], lq[&lt;span class=&quot;code-quote&quot;&gt;&apos;Painting&apos;&lt;/span&gt;/4095441, l=&lt;span class=&quot;code-quote&quot;&gt;&apos;MpServer&apos;&lt;/span&gt;, x=-6673,06, y=73,50, z=-3139,00], lq[&lt;span class=&quot;code-quote&quot;&gt;&apos;Painting&apos;&lt;/span&gt;/4095440, l=&lt;span class=&quot;code-quote&quot;&gt;&apos;MpServer&apos;&lt;/span&gt;, x=-6680,00, y=74,50, z=-3137,06], oi[&lt;span class=&quot;code-quote&quot;&gt;&apos;Chicken&apos;&lt;/span&gt;/4095430, l=&lt;span class=&quot;code-quote&quot;&gt;&apos;MpServer&apos;&lt;/span&gt;, x=-6691,59, y=72,00, z=-3120,41]]
- Retry Entities: 0 total; []

java.lang.NullPointerException
	at xe.&amp;lt;init&amp;gt;(SourceFile:126)
	at awz.&amp;lt;init&amp;gt;(SourceFile:39)
	at awr.a(SourceFile:148)
	at &lt;span class=&quot;code-keyword&quot;&gt;do&lt;/span&gt;.a(SourceFile:71)
	at bx.b(SourceFile:341)
	at awr.d(SourceFile:98)
	at awz.b(SourceFile:61)
	at net.minecraft.client.Minecraft.l(SourceFile:1282)
	at net.minecraft.client.Minecraft.J(SourceFile:582)
	at net.minecraft.client.Minecraft.run(SourceFile:534)
	at java.lang.&lt;span class=&quot;code-object&quot;&gt;Thread&lt;/span&gt;.run(Unknown Source)
--- END ERROR REPORT 2af703a6 ----------&lt;/pre&gt;
&lt;/div&gt;&lt;/div&gt;</description>
                <environment>Windows XP</environment>
        <key id="13695">MC-2287</key>
            <summary>java.io.IOException: Bad packet id 254</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="3">Duplicate</resolution>
                                        <assignee username="-1">Unassigned</assignee>
                                    <reporter username="jirauser18522">user-571ee</reporter>
                        <labels>
                    </labels>
                <created>Mon, 5 Nov 2012 00:15:15 +0100</created>
                <updated>Wed, 6 May 2015 13:57:26 +0200</updated>
                            <resolved>Thu, 8 Nov 2012 07:24:28 +0100</resolved>
                                    <version>Minecraft 1.4.2</version>
                                                                        <votes>0</votes>
                                    <watches>0</watches>
                                                                            <comments>
                            <comment id="18495" author="JIRAUSER18522" created="Mon, 5 Nov 2012 21:08:20 +0100"  >&lt;p&gt;To let you know: This was a &quot;blocker&quot; for me and others on our server. We all walked roughly in the same region at different times and got the same error.&lt;/p&gt;

&lt;p&gt;Our positions got reseted to the spawn. We are able to login now.&lt;/p&gt;</comment>
                            <comment id="18274" author="chalmes" created="Mon, 5 Nov 2012 01:28:01 +0100"  >&lt;p&gt;Possibly duplicated by/related to &lt;a href=&quot;https://bugs.mojang.com/browse/MC-984&quot; title=&quot;Internal exception: java.io.IOException: Bad packet id 249&quot; class=&quot;issue-link&quot; data-issue-key=&quot;MC-984&quot;&gt;&lt;del&gt;MC-984&lt;/del&gt;&lt;/a&gt;&lt;/p&gt;</comment>
                    </comments>
                <issuelinks>
                            <issuelinktype id="10102">
                    <name>Duplicate</name>
                                            <outwardlinks description="duplicates">
                                        <issuelink>
            <issuekey id="12282">MC-984</issuekey>
        </issuelink>
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                                                        </issuelinktype>
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