java.util.concurrent.ExecutionException

tip

Take a look at this blog post on how to set up Grid2 https://goo.gl/rxzbE6. A user related (in the email group on the source) that using older selenium libs solves this exception.

You have a different solution? A short tip here would help you and many other users who saw this issue last week.

    • java.util.concurrent.ExecutionException: java.lang.NullPointerException at java.util.concurrent.FutureTask.report(Unknown Source)[?:1.8.0_101] at java.util.concurrent.FutureTask.get(Unknown Source)[?:1.8.0_101] at net.minecraft.util.Util.func_181617_a(SourceFile:46)[h.class:?] at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:668)[MinecraftServer.class:?] at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:387)[ld.class:?] at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:613)[MinecraftServer.class:?] at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:471)[MinecraftServer.class:?] at java.lang.Thread.run(Unknown Source)[?:1.8.0_101] Caused by: java.lang.NullPointerException at com.google.common.base.Preconditions.checkNotNull(Preconditions.java:213)[minecraft_server.1.10.2.jar:?] at org.spongepowered.common.world.WorldManager.getWorldProperties(WorldManager.java:330)[WorldManager.class:1.10.2-2026-5.0.0-BETA-1599] at net.minecraftforge.common.DimensionManager.initDimension(DimensionManager.java:184)[DimensionManager.class:?] at net.minecraft.server.MinecraftServer.func_71218_a(MinecraftServer.java:71)[MinecraftServer.class:?] at com.yurtmod.block.TileEntityTentDoor.onPlayerActivate(TileEntityTentDoor.java:156)[TileEntityTentDoor.class:?] at com.yurtmod.block.BlockTentDoor.func_180639_a(BlockTentDoor.java:78)[BlockTentDoor.class:?] at net.minecraft.server.management.PlayerInteractionManager.func_187251_a(PlayerInteractionManager.java:178)[lv.class:?] at net.minecraft.network.NetHandlerPlayServer.redirect$onProcessRightClickBlock$0(NetHandlerPlayServer.java:636)[me.class:?] at net.minecraft.network.NetHandlerPlayServer.func_184337_a(NetHandlerPlayServer.java:679)[me.class:?] at net.minecraft.network.play.client.CPacketPlayerTryUseItemOnBlock.func_148833_a(SourceFile:55)[jj.class:?] at net.minecraft.network.play.client.CPacketPlayerTryUseItemOnBlock.func_148833_a(SourceFile:11)[jj.class:?] at org.spongepowered.common.network.PacketUtil.onProcessPacket(PacketUtil.java:118)[PacketUtil.class:1.10.2-2026-5.0.0-BETA-1599] at net.minecraft.network.PacketThreadUtil$1.redirect$onProcessPacket$0(SourceFile:39)[fl$1.class:?] at net.minecraft.network.PacketThreadUtil$1.run(SourceFile:13)[fl$1.class:?] at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)[?:1.8.0_101] at java.util.concurrent.FutureTask.run(Unknown Source)[?:1.8.0_101] at net.minecraft.util.Util.func_181617_a(SourceFile:45)[h.class:?] ... 5 more

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