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  1. Minecraft: Java Edition
  2. MC-89127

Netty Epoll Server IO #26/ERROR

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    • Icon: Bug Bug
    • Resolution: Fixed
    • Minecraft 15w41a, Minecraft 15w42a
    • Minecraft 15w38b, Minecraft 15w39c, Minecraft 15w40b, Minecraft 15w41b
    • Server: Linux 64 Bit Java 7 u75
      Clients: Multiple Windows 8.1/10 and Java 8 u20/51/60
    • Unconfirmed

      While cloning large amounts of blocks (About 4 chunks) from loaded chunks to an area around active players this causes random player disconnects.

      With only one player on the server this is a non-issue.

      Only affects clients when multiple are connected around the clones output area.

      Server Error

      [Netty Epoll Server IO #26/ERROR]: io.netty.util.IllegalReferenceCountException: refCnt: 0

      Client Error

      java.util.concurrent.ExecutionException: java.lang.IndexOutOfBoundsException: readerIndex(0) + length(1) exceeds writerIndex(0): UnpooledHeapByteBuf(ridx: 0, widx: 0, cap: 69888/69888)
	at java.util.concurrent.FutureTask.report(FutureTask.java:122) ~[?:1.8.0_25]
	at java.util.concurrent.FutureTask.get(FutureTask.java:192) ~[?:1.8.0_25]
	at g.a(SourceFile:46) [15w38b.jar:?]
	at bab.as(SourceFile:920) [15w38b.jar:?]
	at bab.a(SourceFile:377) [15w38b.jar:?]
	at net.minecraft.client.main.Main.main(SourceFile:125) [15w38b.jar:?]
Caused by: java.lang.IndexOutOfBoundsException: readerIndex(0) + length(1) exceeds writerIndex(0): UnpooledHeapByteBuf(ridx: 0, widx: 0, cap: 69888/69888)
	at io.netty.buffer.AbstractByteBuf.checkReadableBytes(AbstractByteBuf.java:1175) ~[netty-all-4.0.23.Final.jar:4.0.23.Final]
	at io.netty.buffer.AbstractByteBuf.readByte(AbstractByteBuf.java:570) ~[netty-all-4.0.23.Final.jar:4.0.23.Final]
	at em.readByte(SourceFile:663) ~[15w38b.jar:?]
	at aqw.a(SourceFile:87) ~[15w38b.jar:?]
	at ard.a(SourceFile:908) ~[15w38b.jar:?]
	at bif.a(SourceFile:522) ~[15w38b.jar:?]
	at gp.a(SourceFile:68) ~[15w38b.jar:?]
	at gp.a(SourceFile:11) ~[15w38b.jar:?]
	at fh$1.run(SourceFile:13) ~[15w38b.jar:?]
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) ~[?:1.8.0_25]
	at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[?:1.8.0_25]
	at g.a(SourceFile:45) ~[15w38b.jar:?]
	... 3 more

      Per Lorgon111

      Internal Exception: io.netty.handler.codec.DecoderException: java.lang.IndexOutOfBoundsException: readerIndix(13) + length(6684) exceeds writerIndex(13); UnpooledHeapyByteBuf(ridx: 13, widx: 13, cap: 13)

            searge [Mojang] Searge (Michael Stoyke)
            parkervcp Michael Parker
            Votes:
            7 Vote for this issue
            Watchers:
            5 Start watching this issue

              Created:
              Updated:
              Resolved: