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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-1394] cant play multiplayer or singleplayer</title>
                <link>https://bugs.mojang.com/browse/MC-1394</link>
                <project id="10400" key="MC">Minecraft: Java Edition</project>
                    <description>&lt;p&gt;Every time i join a server it just crashes minecraft i cant even play and when i start a world or create one it just freezes minecraft until i quit out of it&lt;/p&gt;


&lt;p&gt;heres what it says when i join a server&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;---- Minecraft Crash Report ----
&lt;span class=&quot;code-comment&quot;&gt;// Hi. I&lt;span class=&quot;code-quote&quot;&gt;&apos;m Minecraft, and I&apos;&lt;/span&gt;m a crashaholic.
&lt;/span&gt;
Time: 10/30/12 3:32 PM
Description: Unexpected error

java.lang.NoClassDefFoundError: abd
	at java.lang.&lt;span class=&quot;code-object&quot;&gt;ClassLoader&lt;/span&gt;.defineClass1(Native Method)
	at java.lang.&lt;span class=&quot;code-object&quot;&gt;ClassLoader&lt;/span&gt;.defineClassCond(&lt;span class=&quot;code-object&quot;&gt;ClassLoader&lt;/span&gt;.java:631)
	at java.lang.&lt;span class=&quot;code-object&quot;&gt;ClassLoader&lt;/span&gt;.defineClass(&lt;span class=&quot;code-object&quot;&gt;ClassLoader&lt;/span&gt;.java:615)
	at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141)
	at java.net.URLClassLoader.defineClass(URLClassLoader.java:283)
	at java.net.URLClassLoader.access$000(URLClassLoader.java:58)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:197)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
	at java.lang.&lt;span class=&quot;code-object&quot;&gt;ClassLoader&lt;/span&gt;.loadClass(&lt;span class=&quot;code-object&quot;&gt;ClassLoader&lt;/span&gt;.java:306)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
	at java.lang.&lt;span class=&quot;code-object&quot;&gt;ClassLoader&lt;/span&gt;.loadClass(&lt;span class=&quot;code-object&quot;&gt;ClassLoader&lt;/span&gt;.java:295)
	at java.lang.&lt;span class=&quot;code-object&quot;&gt;ClassLoader&lt;/span&gt;.loadClass(&lt;span class=&quot;code-object&quot;&gt;ClassLoader&lt;/span&gt;.java:247)
	at xz.&amp;lt;init&amp;gt;(SourceFile:122)
	at yn.&amp;lt;init&amp;gt;(SourceFile:6)
	at xz.&amp;lt;clinit&amp;gt;(SourceFile:18)
	at ye.&amp;lt;init&amp;gt;(SourceFile:20)
	at ye.&amp;lt;init&amp;gt;(SourceFile:30)
	at ye.&amp;lt;init&amp;gt;(SourceFile:38)
	at zr.b(SourceFile:44)
	at zr.a(SourceFile:27)
	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 awu.c(SourceFile:69)
	at net.minecraft.client.Minecraft.l(SourceFile:1080)
	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(&lt;span class=&quot;code-object&quot;&gt;Thread&lt;/span&gt;.java:680)
Caused by: java.lang.ClassNotFoundException: abd
	at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
	at java.lang.&lt;span class=&quot;code-object&quot;&gt;ClassLoader&lt;/span&gt;.loadClass(&lt;span class=&quot;code-object&quot;&gt;ClassLoader&lt;/span&gt;.java:306)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
	at java.lang.&lt;span class=&quot;code-object&quot;&gt;ClassLoader&lt;/span&gt;.loadClass(&lt;span class=&quot;code-object&quot;&gt;ClassLoader&lt;/span&gt;.java:247)
	... 32 more

Relevant Details:
- Minecraft Version: 1.4.2
- Operating &lt;span class=&quot;code-object&quot;&gt;System&lt;/span&gt;: Mac OS X (x86_64) version 10.6.8
- Java Version: 1.6.0_37, Apple Inc.
- Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Apple Inc.
- Memory: 516765584 bytes (492 MB) / 554369024 bytes (528 MB) up to 1069416448 bytes (1019 MB)
- JVM Flags: 3 total; -Xbootclasspath/a:/&lt;span class=&quot;code-object&quot;&gt;System&lt;/span&gt;/Library/PrivateFrameworks/JavaApplicationLauncher.framework/Resources/LauncherSupport.jar -Xms512M -Xmx1024M
- AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
- LWJGL: 2.4.2
- OpenGL: ATI Radeon HD 4670 OpenGL Engine GL version 2.1 ATI-1.6.36, ATI Technologies Inc.
- Is Modded: Probably not
- Type: Client
- Texture Pack: Default&lt;/pre&gt;
&lt;/div&gt;&lt;/div&gt;</description>
                <environment></environment>
        <key id="12722">MC-1394</key>
            <summary>cant play multiplayer or singleplayer</summary>
                <type id="1" iconUrl="https://bugs.mojang.com/secure/viewavatar?size=xsmall&amp;avatarId=18903&amp;avatarType=issuetype">Bug</type>
                                    <status id="6" iconUrl="https://bugs.mojang.com/images/icons/statuses/closed.png" description="The issue is considered finished, the resolution is correct. Issues which are closed can be reopened.">Closed</status>
                    <statusCategory id="3" key="done" colorName="success"/>
                                    <resolution id="7">Invalid</resolution>
                                        <assignee username="-1">Unassigned</assignee>
                                    <reporter username="angry_frog">Hunter Griffin</reporter>
                        <labels>
                    </labels>
                <created>Tue, 30 Oct 2012 23:36:53 +0100</created>
                <updated>Tue, 11 Jun 2013 03:38:15 +0200</updated>
                            <resolved>Thu, 8 Nov 2012 07:26:06 +0100</resolved>
                                    <version>Minecraft 1.4.2</version>
                                                                        <votes>0</votes>
                                    <watches>1</watches>
                                                                            <comments>
                            <comment id="16135" author="angry_frog" created="Thu, 1 Nov 2012 00:06:16 +0100"  >&lt;p&gt;It didn&apos;t work when i tried that any advice?&lt;/p&gt;</comment>
                            <comment id="15772" author="dinnerbone" created="Wed, 31 Oct 2012 11:22:39 +0100"  >&lt;p&gt;Your Minecraft jar is corrupt, it likely didn&apos;t finish downloading everything. In the launcher, go to &quot;options&quot; and &quot;force update&quot;.&lt;/p&gt;</comment>
                    </comments>
                <issuelinks>
                            <issuelinktype id="10102">
                    <name>Duplicate</name>
                                                                <inwardlinks description="is duplicated by">
                                        <issuelink>
            <issuekey id="21288">MC-8368</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="22140">MC-8850</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="24876">MC-10893</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="26006">MC-11718</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="28600">MC-13487</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="30491">MC-14887</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="30845">MC-15154</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="31012">MC-15304</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="31420">MC-15658</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="33055">MC-17109</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="33170">MC-17210</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="35504">MC-17554</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="14905">MC-3020</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="16256">MC-3970</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="17160">MC-4632</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="17586">MC-5026</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="17679">MC-5111</issuekey>
        </issuelink>
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