Crash when loading some worlds: IllegalStateException: Lock is no longer valid
In the Experimental Settings load menu, if I click 'Backup & load', I crash with this error:
Test world
Stack trace
1.16-pre1: crash-2020-06-04_15.03.48-client.txt
Description: mouseClicked event handler java.lang.IllegalStateException: Lock is no longer valid at daa$a.i(SourceFile:297) at daa$a.h(SourceFile:431) at dtv.a(SourceFile:176) at dlt.a(SourceFile:1850) at dph.c(SourceFile:42) at dne.b(SourceFile:33) at dmy.a(SourceFile:16) at dnc.a(SourceFile:149) at doa.a(SourceFile:27) at dlu.b(SourceFile:92) at dqn.a(SourceFile:431) at dlu.a(SourceFile:92) at dlu.c(SourceFile:162) at amk.execute(SourceFile:94) at dlu.b(SourceFile:162) at org.lwjgl.glfw.GLFWMouseButtonCallbackI.callback(GLFWMouseButtonCallbackI.java:36) at org.lwjgl.system.JNI.invokeV(Native Method) at org.lwjgl.glfw.GLFW.glfwPollEvents(GLFW.java:3050) at com.mojang.blaze3d.systems.RenderSystem.flipFrame(SourceFile:99) at dgu.e(SourceFile:301) at dlt.e(SourceFile:1035) at dlt.d(SourceFile:648) at net.minecraft.client.main.Main.main(SourceFile:215)
Linked Issues
is duplicated by5
MC-187369Newly created world crashes after being reopened: Lock is no longer validDuplicateMC-187397All worlds are corrupted; reloading a world created in the latest snapshot shows a warning and may crash the gameDuplicateMC-187418Inability to load 1.16 pre-release worlds after closureDuplicateMC-187570Entirely different chunks load after re-entering gameDuplicateMC-187588Suddenly crashDuplicate
![[Mod] violine1101](../../../data/avatars/users/92858.png){kind=small}
Very ImportantCreated Issue:
Crash when clicking 'Backup & load' in Experimental Settings menu
In the Experimental Settings load menu, if I click 'Backup & load', I crash with this error:
Attachments1
Changed Summary:
Crash when clicking 'Backup & load' in Experimental Settings menu for some worlds
Added Category: World generation
Removed Category: (Unassigned)
Added Category: Custom Worlds
Changed Description:
In the Experimental Settings load menu, if I click 'Backup & load', I crash with this error:
Description: mouseClicked event handler java.lang.IllegalStateException: Lock is no longer valid at daa$a.i(SourceFile:297) at daa$a.h(SourceFile:431) at dtv.a(SourceFile:176) at dlt.a(SourceFile:1850) at dph.c(SourceFile:42) at dne.b(SourceFile:33) at dmy.a(SourceFile:16) at dnc.a(SourceFile:149) at doa.a(SourceFile:27) at dlu.b(SourceFile:92) at dqn.a(SourceFile:431) at dlu.a(SourceFile:92) at dlu.c(SourceFile:162) at amk.execute(SourceFile:94) at dlu.b(SourceFile:162) at org.lwjgl.glfw.GLFWMouseButtonCallbackI.callback(GLFWMouseButtonCallbackI.java:36) at org.lwjgl.system.JNI.invokeV(Native Method) at org.lwjgl.glfw.GLFW.glfwPollEvents(GLFW.java:3050) at com.mojang.blaze3d.systems.RenderSystem.flipFrame(SourceFile:99) at dgu.e(SourceFile:301) at dlt.e(SourceFile:1035) at dlt.d(SourceFile:648) at net.minecraft.client.main.Main.main(SourceFile:215)
Changed Summary:
Crash whenclicking 'Backup & load' in Experimental Settings menu forsome worldsCrash when loading some worlds
Added Linked Issues:
is duplicated by
![[Bot] Arisa](../../../data/avatars/users/43007.png){kind=small}
Added Attachments:
Changed Description:
In the Experimental Settings load menu, if I click 'Backup & load', I crash with this error:
Test world
Stack trace
1.16-pre1: crash-2020-06-04_15.03.48-client.txtDescription: mouseClicked event handler java.lang.IllegalStateException: Lock is no longer valid at daa$a.i(SourceFile:297) at daa$a.h(SourceFile:431) at dtv.a(SourceFile:176) at dlt.a(SourceFile:1850) at dph.c(SourceFile:42) at dne.b(SourceFile:33) at dmy.a(SourceFile:16) at dnc.a(SourceFile:149) at doa.a(SourceFile:27) at dlu.b(SourceFile:92) at dqn.a(SourceFile:431) at dlu.a(SourceFile:92) at dlu.c(SourceFile:162) at amk.execute(SourceFile:94) at dlu.b(SourceFile:162) at org.lwjgl.glfw.GLFWMouseButtonCallbackI.callback(GLFWMouseButtonCallbackI.java:36) at org.lwjgl.system.JNI.invokeV(Native Method) at org.lwjgl.glfw.GLFW.glfwPollEvents(GLFW.java:3050) at com.mojang.blaze3d.systems.RenderSystem.flipFrame(SourceFile:99) at dgu.e(SourceFile:301) at dlt.e(SourceFile:1035) at dlt.d(SourceFile:648) at net.minecraft.client.main.Main.main(SourceFile:215)
Changed Summary:
Crash when loading some worlds: IllegalStateException: Lock is no longer valid
Removed Category: Custom Worlds
Added Attachments:
Added Linked Issues:
is duplicated by
Added Linked Issues:
is duplicated by
![[Mojang] Adrian Östergård](../../../data/assets/gravatar/nighter.jpeg){kind=small}
Added Fixed Versions: 1.16-pre2
Added Attachments:
crash-2020-06-05_18.39.03-server.txt
Removed Attachments:
Added Linked Issues:
is duplicated by
Duplicate of MC-187353
Thank you for your report!
However, we are already tracking this issue, and this report is a Duplicate of MC-187353.
Please use the search function in the future to prevent duplicate reports.
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It should be noted that this also happened to me in a completely regular world (without custom gen settings) that was created in 1.16-pre1.