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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-53] Run-time exception on start up (java.lang.NoClassDefFoundError: org/lwjgl/LWJGLException)</title>
                <link>https://bugs.mojang.com/browse/MC-53</link>
                <project id="10400" key="MC">Minecraft: Java Edition</project>
                    <description>&lt;p&gt;***NOTE: normal minecraft runs just fine..&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;Exception in thread &lt;span class=&quot;code-quote&quot;&gt;&quot;main&quot;&lt;/span&gt; java.lang.NoClassDefFoundError: org/lwjgl/LWJGLExcept
ion
        at java.lang.&lt;span class=&quot;code-object&quot;&gt;Class&lt;/span&gt;.getDeclaredMethods0(Native Method)
        at java.lang.&lt;span class=&quot;code-object&quot;&gt;Class&lt;/span&gt;.privateGetDeclaredMethods(Unknown Source)
        at java.lang.&lt;span class=&quot;code-object&quot;&gt;Class&lt;/span&gt;.getMethod0(Unknown Source)
        at java.lang.&lt;span class=&quot;code-object&quot;&gt;Class&lt;/span&gt;.getMethod(Unknown Source)
        at sun.launcher.LauncherHelper.getMainMethod(Unknown Source)
        at sun.launcher.LauncherHelper.checkAndLoadMain(Unknown Source)
Caused by: java.lang.ClassNotFoundException: org.lwjgl.LWJGLException
        at java.net.URLClassLoader$1.run(Unknown Source)
        at java.net.URLClassLoader$1.run(Unknown Source)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(Unknown Source)
        at java.lang.&lt;span class=&quot;code-object&quot;&gt;ClassLoader&lt;/span&gt;.loadClass(Unknown Source)
        at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
        at java.lang.&lt;span class=&quot;code-object&quot;&gt;ClassLoader&lt;/span&gt;.loadClass(Unknown Source)
        ... 6 more
&lt;/pre&gt;
&lt;/div&gt;&lt;/div&gt;</description>
                <environment>Minecraft 1.4.1 pre&lt;br/&gt;
Windows XP pro SP3&lt;br/&gt;
Java version &amp;quot;1.7.0_09&amp;quot;&lt;br/&gt;
Java(TM) SE Runtime Environment (build 1.7.0_09-b05)&lt;br/&gt;
Java HotSpot(TM) Client VM (build 23.5-b02, mixed mode, sharing)</environment>
        <key id="11293">MC-53</key>
            <summary>Run-time exception on start up (java.lang.NoClassDefFoundError: org/lwjgl/LWJGLException)</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="yoshisisland">Neubert Pascal</reporter>
                        <labels>
                    </labels>
                <created>Wed, 24 Oct 2012 17:41:30 +0200</created>
                <updated>Mon, 10 Dec 2012 22:39:40 +0100</updated>
                            <resolved>Thu, 25 Oct 2012 05:52:59 +0200</resolved>
                                    <version>Minecraft 1.4.1</version>
                                                                        <votes>1</votes>
                                    <watches>3</watches>
                                                                            <comments>
                            <comment id="27645" author="vschiavoni" created="Mon, 10 Dec 2012 22:39:40 +0100"  >&lt;p&gt;I&apos;ve also tried upgrading the LWJGL files as suggested in &lt;a href=&quot;http://www.minecraftwiki.net/wiki/LWJGL&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;http://www.minecraftwiki.net/wiki/LWJGL&lt;/a&gt;. The result of this operation is that when I try to start the demo there&apos;s only a white screen (no more crash report), but the game doesn&apos;t seem to start.&lt;/p&gt;</comment>
                            <comment id="27634" author="vschiavoni" created="Mon, 10 Dec 2012 21:55:02 +0100"  >&lt;p&gt;I get the same problem on a different platform. I tried the fix suggested in previous comment, using the latest snapshot, but I get the same error. Here&apos;s the complete stacktrace:&lt;/p&gt;

&lt;p&gt;---- Minecraft Crash Report ----&lt;br/&gt;
// On the bright side, I bought you a teddy bear!&lt;/p&gt;

&lt;p&gt;Time: 10/12/12 21.51&lt;br/&gt;
Description: Failed to start game&lt;/p&gt;

&lt;p&gt;org.lwjgl.LWJGLException: Could not get the JAWT interface&lt;br/&gt;
	at org.lwjgl.opengl.AWTSurfaceLock.lockAndInitHandle(Native Method)&lt;br/&gt;
	at org.lwjgl.opengl.AWTSurfaceLock.access$100(AWTSurfaceLock.java:49)&lt;br/&gt;
	at org.lwjgl.opengl.AWTSurfaceLock$1.run(AWTSurfaceLock.java:89)&lt;br/&gt;
	at java.security.AccessController.doPrivileged(Native Method)&lt;br/&gt;
	at org.lwjgl.opengl.AWTSurfaceLock.privilegedLockAndInitHandle(AWTSurfaceLock.java:86)&lt;br/&gt;
	at org.lwjgl.opengl.AWTSurfaceLock.lockAndGetHandle(AWTSurfaceLock.java:64)&lt;br/&gt;
	at org.lwjgl.opengl.MacOSXCanvasPeerInfo.initHandle(MacOSXCanvasPeerInfo.java:53)&lt;br/&gt;
	at org.lwjgl.opengl.MacOSXDisplayPeerInfo.doLockAndInitHandle(MacOSXDisplayPeerInfo.java:56)&lt;br/&gt;
	at org.lwjgl.opengl.PeerInfo.lockAndGetHandle(PeerInfo.java:85)&lt;br/&gt;
	at org.lwjgl.opengl.MacOSXContextImplementation.create(MacOSXContextImplementation.java:47)&lt;br/&gt;
	at org.lwjgl.opengl.Context.&amp;lt;init&amp;gt;(Context.java:120)&lt;br/&gt;
	at org.lwjgl.opengl.Display.create(Display.java:858)&lt;br/&gt;
	at org.lwjgl.opengl.Display.create(Display.java:784)&lt;br/&gt;
	at org.lwjgl.opengl.Display.create(Display.java:765)&lt;br/&gt;
	at net.minecraft.client.Minecraft.a(SourceFile:232)&lt;br/&gt;
	at asq.a(SourceFile:56)&lt;br/&gt;
	at net.minecraft.client.Minecraft.run(SourceFile:515)&lt;br/&gt;
	at java.lang.Thread.run(Thread.java:722)&lt;/p&gt;


&lt;p&gt;A detailed walkthrough of the error, its code path and all known details is as follows:&lt;br/&gt;
---------------------------------------------------------------------------------------&lt;/p&gt;

&lt;p&gt;&amp;#8211; System Details &amp;#8211;&lt;br/&gt;
Details:&lt;br/&gt;
	Minecraft Version: 12w49a&lt;br/&gt;
	Operating System: Mac OS X (x86_64) version 10.8.2&lt;br/&gt;
	Java Version: 1.7.0_09, Oracle Corporation&lt;br/&gt;
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation&lt;br/&gt;
	Memory: 771533264 bytes (735 MB) / 1029046272 bytes (981 MB) up to 1029046272 bytes (981 MB)&lt;br/&gt;
	JVM Flags: 3 total; -Xbootclasspath/a:/Library/Internet Plug-Ins/JavaAppletPlugin.plugin/Contents/Home/lib/deploy.jar:/Library/Internet Plug-Ins/JavaAppletPlugin.plugin/Contents/Home/lib/javaws.jar:/Library/Internet Plug-Ins/JavaAppletPlugin.plugin/Contents/Home/lib/plugin.jar -Xmx1g -Xms1024M&lt;br/&gt;
	AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used&lt;br/&gt;
	Suspicious classes: No suspicious classes found.&lt;br/&gt;
	IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0&lt;br/&gt;
	LWJGL: 2.4.2&lt;br/&gt;
	OpenGL: ~&lt;sub&gt;ERROR&lt;/sub&gt;~ NullPointerException: null&lt;br/&gt;
	Is Modded: Probably not. Jar signature remains and client brand is untouched.&lt;br/&gt;
	Type: Client (map_client.txt)&lt;br/&gt;
	Texture Pack: Default&lt;br/&gt;
	Profiler Position: N/A (disabled)&lt;br/&gt;
	Vec3 Pool Size: ~&lt;sub&gt;ERROR&lt;/sub&gt;~ NullPointerException: null%            &lt;/p&gt;</comment>
                            <comment id="12942" author="grum" created="Thu, 25 Oct 2012 05:52:59 +0200"  >&lt;p&gt;&lt;a href=&quot;http://www.minecraftwiki.net/wiki/Tutorials/How_to_Install_a_Snapshot&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;http://www.minecraftwiki.net/wiki/Tutorials/How_to_Install_a_Snapshot&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;That should resolve it &lt;img class=&quot;emoticon&quot; src=&quot;https://bugs.mojang.com/images/icons/emoticons/smile.png&quot; height=&quot;16&quot; width=&quot;16&quot; align=&quot;absmiddle&quot; alt=&quot;&quot; border=&quot;0&quot;/&gt;&lt;/p&gt;</comment>
                            <comment id="12412" author="krabbit" created="Wed, 24 Oct 2012 21:57:47 +0200"  >&lt;p&gt;I receive the same exception with:&lt;/p&gt;

&lt;p&gt;Minecraft 1.4.2 pre&lt;br/&gt;
Windows 7 64x&lt;br/&gt;
java version &quot;1.7.0_03&quot;&lt;br/&gt;
Java(TM) SE Runtime Environment (build 1.7.0_03-b05)&lt;br/&gt;
Java HotSpot(TM) 64-Bit Server VM (build 22.1-b02, mixed mode)&lt;/p&gt;</comment>
                    </comments>
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