panic: runtime error: index out of range

[Dave Cheney]

Found in a machiner log. Diffing the source of the websocket package that this version of juju was built against and the websocket package available at tip, it looks like we're shipping an old version, this may be related.

panic: runtime error: index out of range

goroutine 10 [running]:
code.google.com_p_go.net_websocket.ReadByte.N57_code.google.com_p_go.net_websocket.hybiFrameReaderFactory
        /build/buildd/juju-core-1.18.0/src/code.google.com/p/go.net/websocket/hybi.go:113
code.google.com_p_go.net_websocket.NewFrameReader.N57_code.google.com_p_go.net_websocket.hybiFrameReaderFactory
        /build/buildd/juju-core-1.18.0/src/code.google.com/p/go.net/websocket/hybi.go:126
code.google.com_p_go.net_websocket.Receive.N40_code.google.com_p_go.net_websocket.Codec
        /build/buildd/juju-core-1.18.0/src/code.google.com/p/go.net/websocket/websocket.go:318
launchpad.net_juju_core_rpc_jsoncodec.Receive.N48_launchpad.net_juju_core_rpc_jsoncodec.wsJSONConn
        /build/buildd/juju-core-1.18.0/src/launchpad.net/juju-core/rpc/jsoncodec/conn.go:25
launchpad.net_juju_core_rpc_jsoncodec.ReadHeader.pN43_launchpad.net_juju_core_rpc_jsoncodec.Codec
        /build/buildd/juju-core-1.18.0/src/launchpad.net/juju-core/rpc/jsoncodec/codec.go:113
launchpad.net_juju_core_rpc.loop.pN32_launchpad.net_juju_core_rpc.Conn
        /build/buildd/juju-core-1.18.0/src/launchpad.net/juju-core/rpc/server.go:344
launchpad.net_juju_core_rpc.input.pN32_launchpad.net_juju_core_rpc.Conn
        /build/buildd/juju-core-1.18.0/src/launchpad.net/juju-core/rpc/server.go:317
created by launchpad.net_juju_core_rpc.Start.pN32_launchpad.net_juju_core_rpc.Conn
        /build/buildd/juju-core-1.18.0/src/launchpad.net/juju-core/rpc/server.go:200

[Tim Penhey (thumper)]

Wow, we are quite behind. I'm submitting a branch to update.

[Dave Cheney (dave-cheney)]

It turns out this is a kernel bug, but it wouldn't hurt to update to
the latest websocket library.

On Thu, Apr 10, 2014 at 8:05 AM, Tim Penhey <email address hidden> wrote:
> Wow, we are quite behind. I'm submitting a branch to update.
>
> ** Branch linked: lp:~thumper/juju-core/update-websocket-lib
>
> ** Changed in: juju-core
> Assignee: (unassigned) => Tim Penhey (thumper)
>
> ** Changed in: juju-core
> Status: Triaged => In Progress
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1304135
>
> Title:
> panic: runtime error: index out of range
>
> Status in juju-core:
> In Progress
>
> Bug description:
> Found in a machiner log. Diffing the source of the websocket package
> that this version of juju was built against and the websocket package
> available at tip, it looks like we're shipping an old version, this
> may be related.
>
> panic: runtime error: index out of range
>
> goroutine 10 [running]:
> code.google.com_p_go.net_websocket.ReadByte.N57_code.google.com_p_go.net_websocket.hybiFrameReaderFactory
> /build/buildd/juju-core-1.18.0/src/code.google.com/p/go.net/websocket/hybi.go:113
> code.google.com_p_go.net_websocket.NewFrameReader.N57_code.google.com_p_go.net_websocket.hybiFrameReaderFactory
> /build/buildd/juju-core-1.18.0/src/code.google.com/p/go.net/websocket/hybi.go:126
> code.google.com_p_go.net_websocket.Receive.N40_code.google.com_p_go.net_websocket.Codec
> /build/buildd/juju-core-1.18.0/src/code.google.com/p/go.net/websocket/websocket.go:318
> launchpad.net_juju_core_rpc_jsoncodec.Receive.N48_launchpad.net_juju_core_rpc_jsoncodec.wsJSONConn
> /build/buildd/juju-core-1.18.0/src/launchpad.net/juju-core/rpc/jsoncodec/conn.go:25
> launchpad.net_juju_core_rpc_jsoncodec.ReadHeader.pN43_launchpad.net_juju_core_rpc_jsoncodec.Codec
> /build/buildd/juju-core-1.18.0/src/launchpad.net/juju-core/rpc/jsoncodec/codec.go:113
> launchpad.net_juju_core_rpc.loop.pN32_launchpad.net_juju_core_rpc.Conn
> /build/buildd/juju-core-1.18.0/src/launchpad.net/juju-core/rpc/server.go:344
> launchpad.net_juju_core_rpc.input.pN32_launchpad.net_juju_core_rpc.Conn
> /build/buildd/juju-core-1.18.0/src/launchpad.net/juju-core/rpc/server.go:317
> created by launchpad.net_juju_core_rpc.Start.pN32_launchpad.net_juju_core_rpc.Conn
> /build/buildd/juju-core-1.18.0/src/launchpad.net/juju-core/rpc/server.go:200
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/juju-core/+bug/1304135/+subscriptions