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Filecache: concurrent map read and map write on Set() #188

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zhl11b opened this issue Nov 21, 2017 · 1 comment
Closed

Filecache: concurrent map read and map write on Set() #188

zhl11b opened this issue Nov 21, 2017 · 1 comment
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@ARolek
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bug

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@zhl11b
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zhl11b commented Nov 21, 2017 •
edited by ARolek
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fatal error: concurrent map read and map write

goroutine 42364 [running]:
runtime.throw(0x94428d, 0x21)
	/usr/local/go/src/runtime/panic.go:605 +0x95 fp=0xc426503970 sp=0xc426503950 pc=0x42bd65
runtime.mapaccess1_faststr(0x8af4e0, 0xc4201e39e0, 0xc42c48f100, 0x19, 0x14)
	/usr/local/go/src/runtime/hashmap_fast.go:217 +0x43a fp=0xc4265039c8 sp=0xc426503970 pc=0x40d47a
github.com/terranodo/tegola/cache/filecache.(*Filecache).Set(0xc4201d7840, 0xc4201d7040, 0xc4266004e0, 0x185, 0x185, 0x0, 0x0)
	/home/zhl/go/src/github.com/terranodo/tegola/cache/filecache/filecache.go:184 +0x51b fp=0xc426503a90 sp=0xc4265039c8 pc=0x7c
github.com/terranodo/tegola/server.TileCacheHandler.func1(0xba0060, 0xc42018c7e0, 0xc421245100)
	/home/zhl/go/src/github.com/terranodo/tegola/server/middleware_tile_cache.go:55 +0x37b fp=0xc426503b68 sp=0xc426503a90 pc=0x
net/http.HandlerFunc.ServeHTTP(0xc4204bbea0, 0xba0060, 0xc42018c7e0, 0xc421245100)
	/usr/local/go/src/net/http/server.go:1918 +0x44 fp=0xc426503b90 sp=0xc426503b68 pc=0x66d3e4
github.com/terranodo/tegola/vendor/github.com/dimfeld/httptreemux.(*ContextGroup).Handler.func1(0xba0060, 0xc42018c7e0, 0xc425c52900
	/home/zhl/go/src/github.com/terranodo/tegola/vendor/github.com/dimfeld/httptreemux/context.go:62 +0xe8 fp=0xc426503bf0 sp=0x
github.com/terranodo/tegola/vendor/github.com/dimfeld/httptreemux.(*TreeMux).ServeHTTP(0xc4200f6150, 0xba0060, 0xc42018c7e0, 0xc425c
	/home/zhl/go/src/github.com/terranodo/tegola/vendor/github.com/dimfeld/httptreemux/router.go:252 +0x308 fp=0xc426503d18 sp=0
net/http.serverHandler.ServeHTTP(0xc420464820, 0xba0060, 0xc42018c7e0, 0xc425c52900)
	/usr/local/go/src/net/http/server.go:2619 +0xb4 fp=0xc426503d48 sp=0xc426503d18 pc=0x66ff34
net/http.(*conn).serve(0xc4200886e0, 0xba0a20, 0xc429faf4c0)
	/usr/local/go/src/net/http/server.go:1801 +0x71d fp=0xc426503fc8 sp=0xc426503d48 pc=0x66c2bd
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:2337 +0x1 fp=0xc426503fd0 sp=0xc426503fc8 pc=0x459891
created by net/http.(*Server).Serve
	/usr/local/go/src/net/http/server.go:2720 +0x288

goroutine 1 [IO wait]:
internal/poll.runtime_pollWait(0x7fad9a6a6df0, 0x72, 0xffffffffffffffff)
	/usr/local/go/src/runtime/netpoll.go:173 +0x57
internal/poll.(*pollDesc).wait(0xc420132b18, 0x72, 0xc42004f700, 0x0, 0x0)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:85 +0xae
internal/poll.(*pollDesc).waitRead(0xc420132b18, 0xffffffffffffff00, 0x0, 0x0)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:90 +0x3d
internal/poll.(*FD).Accept(0xc420132b00, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
	/usr/local/go/src/internal/poll/fd_unix.go:335 +0x1e2
net.(*netFD).accept(0xc420132b00, 0x9571d8, 0xc42004f978, 0x402e8b)
	/usr/local/go/src/net/fd_unix.go:238 +0x42
net.(*TCPListener).accept(0xc42000e678, 0x8a2740, 0xc42004f9a8, 0x401c27)
	/usr/local/go/src/net/tcpsock_posix.go:136 +0x2e
net.(*TCPListener).AcceptTCP(0xc42000e678, 0xc42004f9f0, 0xc42004f9f8, 0xc42004f9e8)
	/usr/local/go/src/net/tcpsock.go:234 +0x49
net/http.tcpKeepAliveListener.Accept(0xc42000e678, 0x956b68, 0xc420089400, 0xba0ae0, 0xc4201a10b0)
	/usr/local/go/src/net/http/server.go:3120 +0x2f
net/http.(*Server).Serve(0xc420464820, 0xba04a0, 0xc42000e678, 0x0, 0x0)
	/usr/local/go/src/net/http/server.go:2695 +0x1b2
net/http.(*Server).ListenAndServe(0xc420464820, 0xc420464820, 0xc420228040)
	/usr/local/go/src/net/http/server.go:2636 +0xa9
net/http.ListenAndServe(0xc420017038, 0x5, 0xb9a4e0, 0xc4200f6150, 0x6, 0xb9ade0)
	/usr/local/go/src/net/http/server.go:2882 +0x7f
github.com/terranodo/tegola/server.Start(0xc420017038, 0x5)
	/home/zhl/go/src/github.com/terranodo/tegola/server/server.go:75 +0x8b1
main.main()
	/home/zhl/go/src/github.com/terranodo/tegola/cmd/tegola/main.go:86 +0x483

goroutine 42368 [IO wait]:
internal/poll.runtime_pollWait(0x7fad9a602670, 0x72, 0x0)
	/usr/local/go/src/runtime/netpoll.go:173 +0x57
internal/poll.(*pollDesc).wait(0xc42155ac18, 0x72, 0xffffffffffffff00, 0xb9cba0, 0xb986a8)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:85 +0xae
internal/poll.(*pollDesc).waitRead(0xc42155ac18, 0xc426a1e000, 0x1000, 0x1000)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:90 +0x3d
internal/poll.(*FD).Read(0xc42155ac00, 0xc426a1e000, 0x1000, 0x1000, 0x0, 0x0, 0x0)
	/usr/local/go/src/internal/poll/fd_unix.go:126 +0x18a
net.(*netFD).Read(0xc42155ac00, 0xc426a1e000, 0x1000, 0x1000, 0xc42bf758c8, 0x66682a, 0xc4278b11d8)
	/usr/local/go/src/net/fd_unix.go:202 +0x52
net.(*conn).Read(0xc422498578, 0xc426a1e000, 0x1000, 0x1000, 0x0, 0x0, 0x0)
	/usr/local/go/src/net/net.go:176 +0x6d
net/http.(*connReader).Read(0xc4278b11d0, 0xc426a1e000, 0x1000, 0x1000, 0xc429fafe00, 0xb982c8, 0x2)
	/usr/local/go/src/net/http/server.go:753 +0x105
bufio.(*Reader).fill(0xc4236bb7a0)
	/usr/local/go/src/bufio/bufio.go:97 +0x11a
bufio.(*Reader).ReadSlice(0xc4236bb7a0, 0xc42bf75a0a, 0x411a96, 0x7fad9856e978, 0x1f, 0xff, 0xff)
	/usr/local/go/src/bufio/bufio.go:338 +0x2c
bufio.(*Reader).ReadLine(0xc4236bb7a0, 0x100, 0xf8, 0x926180, 0x1, 0x1220029f36800, 0xf8)
	/usr/local/go/src/bufio/bufio.go:367 +0x34
net/textproto.(*Reader).readLineSlice(0xc4278b1350, 0xc42bf75b20, 0xc42bf75b20, 0x412688, 0x100, 0x926180)
	/usr/local/go/src/net/textproto/reader.go:55 +0x70
net/textproto.(*Reader).ReadLine(0xc4278b1350, 0xc4258f3f00, 0x0, 0xc42bf75b90, 0x490822)
	/usr/local/go/src/net/textproto/reader.go:36 +0x2b
net/http.readRequest(0xc4236bb7a0, 0x0, 0xc4258f3f00, 0x0, 0x0)
	/usr/local/go/src/net/http/request.go:925 +0x99
net/http.(*conn).readRequest(0xc4200892c0, 0xba0a20, 0xc429fafdc0, 0x0, 0x0, 0x0)
	/usr/local/go/src/net/http/server.go:933 +0x17c
net/http.(*conn).serve(0xc4200892c0, 0xba0a20, 0xc429fafdc0)
	/usr/local/go/src/net/http/server.go:1739 +0x50e
created by net/http.(*Server).Serve
	/usr/local/go/src/net/http/server.go:2720 +0x288

goroutine 47949 [runnable]:
internal/poll.runtime_pollWait(0x7fad981bf778, 0x72, 0x0)
	/usr/local/go/src/runtime/netpoll.go:173 +0x57
internal/poll.(*pollDesc).wait(0xc42b173398, 0x72, 0xffffffffffffff00, 0xb9cba0, 0xb986a8)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:85 +0xae
internal/poll.(*pollDesc).waitRead(0xc42b173398, 0xc42642c000, 0x1000, 0x1000)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:90 +0x3d
internal/poll.(*FD).Read(0xc42b173380, 0xc42642c000, 0x1000, 0x1000, 0x0, 0x0, 0x0)
	/usr/local/go/src/internal/poll/fd_unix.go:126 +0x18a
net.(*netFD).Read(0xc42b173380, 0xc42642c000, 0x1000, 0x1000, 0x28, 0x0, 0x0)
	/usr/local/go/src/net/fd_unix.go:202 +0x52
net.(*conn).Read(0xc4201c22d0, 0xc42642c000, 0x1000, 0x1000, 0x0, 0x0, 0x0)
	/usr/local/go/src/net/net.go:176 +0x6d
bufio.(*Reader).Read(0xc42582eba0, 0xc42c4b7660, 0x5, 0x80, 0xc42c4b7130, 0xc42c4b7530, 0xc42c4b7530)
	/usr/local/go/src/bufio/bufio.go:213 +0x30b
io.ReadAtLeast(0xb99e20, 0xc42582eba0, 0xc42c4b7660, 0x5, 0x80, 0x5, 0xc42f8d33bc, 0x4, 0x500013a94)
	/usr/local/go/src/io/io.go:309 +0x86
io.ReadFull(0xb99e20, 0xc42582eba0, 0xc42c4b7660, 0x5, 0x80, 0x8c5220, 0xc427ddfc4a, 0x40000000006)
	/usr/local/go/src/io/io.go:327 +0x58
github.com/terranodo/tegola/vendor/github.com/jackc/pgx.(*msgReader).rxMsg(0xc42c4b7658, 0x0, 0xc4200f8700, 0x7fad9a6f2000)
	/home/zhl/go/src/github.com/terranodo/tegola/vendor/github.com/jackc/pgx/msg_reader.go:51 +0x83
github.com/terranodo/tegola/vendor/github.com/jackc/pgx.(*Conn).rxMsg(0xc42c4b7100, 0xc4202c11c0, 0xc427c2c830, 0xd6, 0x0)
	/home/zhl/go/src/github.com/terranodo/tegola/vendor/github.com/jackc/pgx/conn.go:1042 +0x4d
github.com/terranodo/tegola/vendor/github.com/jackc/pgx.(*Rows).Next(0xc4202c11c0, 0x956820)
	/home/zhl/go/src/github.com/terranodo/tegola/vendor/github.com/jackc/pgx/query.go:165 +0xa9
github.com/terranodo/tegola/provider/postgis.(*Provider).ForEachFeature(0xc4227abd10, 0xba0ae0, 0xc422688660, 0xc4201ce9a4, 0xb, 0x1
	/home/zhl/go/src/github.com/terranodo/tegola/provider/postgis/postgis_foreach.go:52 +0x602
github.com/terranodo/tegola/provider/postgis.Provider.MVTLayer(0xc420017140, 0x9, 0x1538, 0xc420017190, 0x6, 0xc4200171b0, 0x4, 0xc4
	/home/zhl/go/src/github.com/terranodo/tegola/provider/postgis/postgis.go:331 +0x167
github.com/terranodo/tegola/provider/postgis.(*Provider).MVTLayer(0xc4200fd450, 0xba0ae0, 0xc422688660, 0xc4201ce9a4, 0xb, 0x14, 0x8
	<autogenerated>:1 +0xfb
github.com/terranodo/tegola/server.HandleMapZXY.ServeHTTP.func1(0xc425412620, 0xc421ffc100, 0xc4204cb7c0, 0xc421ae7500, 0x10, 0x10, 
	/home/zhl/go/src/github.com/terranodo/tegola/server/handle_map_zxy.go:155 +0xf2
created by github.com/terranodo/tegola/server.HandleMapZXY.ServeHTTP
	/home/zhl/go/src/github.com/terranodo/tegola/server/handle_map_zxy.go:150 +0x516

goroutine 18537 [IO wait, 1 minutes]:
internal/poll.runtime_pollWait(0x7fad9a602c70, 0x72, 0x0)
	/usr/local/go/src/runtime/netpoll.go:173 +0x57
internal/poll.(*pollDesc).wait(0xc421e12098, 0x72, 0xffffffffffffff00, 0xb9cba0, 0xb986a8)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:85 +0xae
internal/poll.(*pollDesc).waitRead(0xc421e12098, 0xc4201a0200, 0x1, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:90 +0x3d
internal/poll.(*FD).Read(0xc421e12080, 0xc4201a0251, 0x1, 0x1, 0x0, 0x0, 0x0)
	/usr/local/go/src/internal/poll/fd_unix.go:126 +0x18a
net.(*netFD).Read(0xc421e12080, 0xc4201a0251, 0x1, 0x1, 0xc427c76a20, 0xc427c76ba0, 0xc420302e80)
	/usr/local/go/src/net/fd_unix.go:202 +0x52
net.(*conn).Read(0xc422498058, 0xc4201a0251, 0x1, 0x1, 0x0, 0x0, 0x0)
	/usr/local/go/src/net/net.go:176 +0x6d
net/http.(*connReader).backgroundRead(0xc4201a0240)
	/usr/local/go/src/net/http/server.go:660 +0x62
created by net/http.(*connReader).startBackgroundRead
	/usr/local/go/src/net/http/server.go:656 +0xd8

goroutine 7519 [semacquire]:
sync.runtime_Semacquire(0xc4218257fc)
	/usr/local/go/src/runtime/sema.go:56 +0x39
sync.(*WaitGroup).Wait(0xc4218257f0)
	/usr/local/go/src/sync/waitgroup.go:131 +0x72
github.com/terranodo/tegola/maths/makevalid/plyg.GenerateMultiPolygon(0xc42c4ba000, 0x8e7, 0x8e7, 0x0, 0xc4222835c0, 0x8e7)
	/home/zhl/go/src/github.com/terranodo/tegola/maths/makevalid/plyg/ring.go:877 +0x29b
github.com/terranodo/tegola/maths/makevalid.destructure5(0xba0ae0, 0xc4222835c0, 0xb9a4a0, 0xc4254a0000, 0xc42dc42ba8, 0xc4388cc000,
	/home/zhl/go/src/github.com/terranodo/tegola/maths/makevalid/main.go:340 +0x2981
github.com/terranodo/tegola/maths/makevalid.MakeValid(0xba0ae0, 0xc4222835c0, 0xb9a4a0, 0xc4254a0000, 0x40b0000000000000, 0xc4242380
	/home/zhl/go/src/github.com/terranodo/tegola/maths/makevalid/main.go:350 +0x14e
github.com/terranodo/tegola/maths/validate.makePolygonValid(0xba0ae0, 0xc4222835c0, 0xc429ae0320, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0,
	/home/zhl/go/src/github.com/terranodo/tegola/maths/validate/validate.go:57 +0x3a5
github.com/terranodo/tegola/maths/validate.CleanGeometry(0xba0ae0, 0xc4222835c0, 0x8edc80, 0xc420d28c60, 0x40b0000000000000, 0xc420d
	/home/zhl/go/src/github.com/terranodo/tegola/maths/validate/validate.go:86 +0x660
github.com/terranodo/tegola/mvt.encodeGeometry(0xba0ae0, 0xc4222835c0, 0x8c9da0, 0xc42069f5e0, 0xc1631bf84570a3d7, 0x41531bf84570a3d
	/home/zhl/go/src/github.com/terranodo/tegola/mvt/feature.go:587 +0x1e5
github.com/terranodo/tegola/mvt.(*Feature).VTileFeature(0xc42dc43460, 0xba0ae0, 0xc4222835c0, 0xc420194250, 0x1, 0x1, 0xc4218c0000, 
	/home/zhl/go/src/github.com/terranodo/tegola/mvt/feature.go:84 +0x1a2
github.com/terranodo/tegola/mvt.(*Layer).VTileLayer(0xc42dc43580, 0xba0ae0, 0xc4222835c0, 0xc1631bf84570a3d7, 0x41531bf84570a3d8, 0x
	/home/zhl/go/src/github.com/terranodo/tegola/mvt/layer.go:87 +0x35d
github.com/terranodo/tegola/mvt.(*Tile).VTile(0xc4230437b8, 0xba0ae0, 0xc4222835c0, 0xc1631bf84570a3d7, 0x41531bf84570a3d8, 0xc15ca9
	/home/zhl/go/src/github.com/terranodo/tegola/mvt/tile.go:47 +0x13f
github.com/terranodo/tegola/server.HandleMapZXY.ServeHTTP(0xc4226f372a, 0x3, 0x4, 0x4, 0x6, 0xc4226f3734, 0x3, 0x0, 0xb9fd60, 0xc429
	/home/zhl/go/src/github.com/terranodo/tegola/server/handle_map_zxy.go:199 +0x693
github.com/terranodo/tegola/server.(*HandleMapZXY).ServeHTTP(0xc4201d6bc0, 0xb9fd60, 0xc429bdf400, 0xc42548cc00)
	<autogenerated>:1 +0x6c
github.com/terranodo/tegola/server.TileCacheHandler.func1(0xba0060, 0xc422d8f0a0, 0xc42548cc00)
	/home/zhl/go/src/github.com/terranodo/tegola/server/middleware_tile_cache.go:48 +0x2e0
net/http.HandlerFunc.ServeHTTP(0xc4204bbea0, 0xba0060, 0xc422d8f0a0, 0xc42548cc00)
	/usr/local/go/src/net/http/server.go:1918 +0x44
github.com/terranodo/tegola/vendor/github.com/dimfeld/httptreemux.(*ContextGroup).Handler.func1(0xba0060, 0xc422d8f0a0, 0xc42548cb00
	/home/zhl/go/src/github.com/terranodo/tegola/vendor/github.com/dimfeld/httptreemux/context.go:62 +0xe8
github.com/terranodo/tegola/vendor/github.com/dimfeld/httptreemux.(*TreeMux).ServeHTTP(0xc4200f6150, 0xba0060, 0xc422d8f0a0, 0xc4254
	/home/zhl/go/src/github.com/terranodo/tegola/vendor/github.com/dimfeld/httptreemux/router.go:252 +0x308
net/http.serverHandler.ServeHTTP(0xc420464820, 0xba0060, 0xc422d8f0a0, 0xc42548cb00)
	/usr/local/go/src/net/http/server.go:2619 +0xb4
net/http.(*conn).serve(0xc421e14140, 0xba0a20, 0xc424e80440)
	/usr/local/go/src/net/http/server.go:1801 +0x71d
created by net/http.(*Server).Serve
	/usr/local/go/src/net/http/server.go:2720 +0x288

goroutine 45004 [runnable]:
github.com/terranodo/tegola/maths/makevalid/plyg.(*Builder).AddPts(0xc42003ad70, 0x407ecaaaaaaaaa02, 0xc428195040, 0x1, 0x3c, 0xc428
	/home/zhl/go/src/github.com/terranodo/tegola/maths/makevalid/plyg/builder.go:91 +0x809
github.com/terranodo/tegola/maths/makevalid/plyg.(*RingCol).addPts(0xc42003ae90, 0xb9a4a0, 0xc42175e000, 0xc42003ad70, 0xc428195040,
	/home/zhl/go/src/github.com/terranodo/tegola/maths/makevalid/plyg/ring.go:148 +0x289
github.com/terranodo/tegola/maths/makevalid/plyg.BuildRingCol(0xba0ae0, 0xc4201b7e30, 0xb9a4a0, 0xc42175e000, 0xc428195000, 0x22, 0x
	/home/zhl/go/src/github.com/terranodo/tegola/maths/makevalid/plyg/ring.go:419 +0x345
github.com/terranodo/tegola/maths/makevalid.destructure5.func4(0x1, 0xba0ae0, 0xc4201b7e30)
	/home/zhl/go/src/github.com/terranodo/tegola/maths/makevalid/main.go:309 +0x216
created by github.com/terranodo/tegola/maths/makevalid.destructure5
	/home/zhl/go/src/github.com/terranodo/tegola/maths/makevalid/main.go:323 +0x278c

goroutine 45003 [runnable]:
github.com/terranodo/tegola/maths/makevalid/plyg.(*Builder).AddPts(0xc42003bd70, 0x407e9aaaaaaaaa01, 0xc428194950, 0x1, 0x2b, 0xc428
	/home/zhl/go/src/github.com/terranodo/tegola/maths/makevalid/plyg/builder.go:91 +0x809
github.com/terranodo/tegola/maths/makevalid/plyg.(*RingCol).addPts(0xc42003be90, 0xb9a4a0, 0xc42175e000, 0xc42003bd70, 0xc428194950,
	/home/zhl/go/src/github.com/terranodo/tegola/maths/makevalid/plyg/ring.go:148 +0x289
github.com/terranodo/tegola/maths/makevalid/plyg.BuildRingCol(0xba0ae0, 0xc4201b7e30, 0xb9a4a0, 0xc42175e000, 0xc428194800, 0x21, 0x
	/home/zhl/go/src/github.com/terranodo/tegola/maths/makevalid/plyg/ring.go:419 +0x345
github.com/terranodo/tegola/maths/makevalid.destructure5.func4(0x0, 0xba0ae0, 0xc4201b7e30)
	/home/zhl/go/src/github.com/terranodo/tegola/maths/makevalid/main.go:309 +0x216
created by github.com/terranodo/tegola/maths/makevalid.destructure5
	/home/zhl/go/src/github.com/terranodo/tegola/maths/makevalid/main.go:323 +0x278c

goroutine 19890 [IO wait]:
internal/poll.runtime_pollWait(0x7fad9a6a6d30, 0x72, 0x0)
	/usr/local/go/src/runtime/netpoll.go:173 +0x57
internal/poll.(*pollDesc).wait(0xc421e12018, 0x72, 0xffffffffffffff00, 0xb9cba0, 0xb986a8)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:85 +0xae
internal/poll.(*pollDesc).waitRead(0xc421e12018, 0xc4201a0100, 0x1, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:90 +0x3d
internal/poll.(*FD).Read(0xc421e12000, 0xc4201a0101, 0x1, 0x1, 0x0, 0x0, 0x0)
	/usr/local/go/src/internal/poll/fd_unix.go:126 +0x18a
net.(*netFD).Read(0xc421e12000, 0xc4201a0101, 0x1, 0x1, 0xc420341e60, 0xc4206a8000, 0xc4204cbf80)
	/usr/local/go/src/net/fd_unix.go:202 +0x52
net.(*conn).Read(0xc422498050, 0xc4201a0101, 0x1, 0x1, 0x0, 0x0, 0x0)
	/usr/local/go/src/net/net.go:176 +0x6d
net/http.(*connReader).backgroundRead(0xc4201a00f0)
	/usr/local/go/src/net/http/server.go:660 +0x62
created by net/http.(*connReader).startBackgroundRead
	/usr/local/go/src/net/http/server.go:656 +0xd8

goroutine 42369 [IO wait]:
internal/poll.runtime_pollWait(0x7fad9a6a6370, 0x72, 0x0)
	/usr/local/go/src/runtime/netpoll.go:173 +0x57
internal/poll.(*pollDesc).wait(0xc42155af98, 0x72, 0xffffffffffffff00, 0xb9cba0, 0xb986a8)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:85 +0xae
internal/poll.(*pollDesc).waitRead(0xc42155af98, 0xc42496b000, 0x1000, 0x1000)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:90 +0x3d
internal/poll.(*FD).Read(0xc42155af80, 0xc42496b000, 0x1000, 0x1000, 0x0, 0x0, 0x0)
	/usr/local/go/src/internal/poll/fd_unix.go:126 +0x18a
net.(*netFD).Read(0xc42155af80, 0xc42496b000, 0x1000, 0x1000, 0xc42bf718c8, 0x66682a, 0xc4278b0818)
	/usr/local/go/src/net/fd_unix.go:202 +0x52
net.(*conn).Read(0xc422498580, 0xc42496b000, 0x1000, 0x1000, 0x0, 0x0, 0x0)
	/usr/local/go/src/net/net.go:176 +0x6d
net/http.(*connReader).Read(0xc4278b0810, 0xc42496b000, 0x1000, 0x1000, 0xc429faf280, 0xb982c8, 0x2)
	/usr/local/go/src/net/http/server.go:753 +0x105
bufio.(*Reader).fill(0xc4236ba300)
	/usr/local/go/src/bufio/bufio.go:97 +0x11a
bufio.(*Reader).ReadSlice(0xc4236ba300, 0xc429faf20a, 0xc42bf71a38, 0x0, 0x0, 0xff, 0xff)
	/usr/local/go/src/bufio/bufio.go:338 +0x2c
bufio.(*Reader).ReadLine(0xc4236ba300, 0x100, 0xf8, 0x926180, 0x4, 0x220029f36800, 0xf8)
	/usr/local/go/src/bufio/bufio.go:367 +0x34
net/textproto.(*Reader).readLineSlice(0xc4278b13b0, 0xc42bf71b20, 0xc42bf71b20, 0x412688, 0x100, 0x926180)
	/usr/local/go/src/net/textproto/reader.go:55 +0x70
net/textproto.(*Reader).ReadLine(0xc4278b13b0, 0xc4225f9400, 0x0, 0xc42bf71b90, 0x490822)
	/usr/local/go/src/net/textproto/reader.go:36 +0x2b
net/http.readRequest(0xc4236ba300, 0x0, 0xc4225f9400, 0x0, 0x0)
	/usr/local/go/src/net/http/request.go:925 +0x99
net/http.(*conn).readRequest(0xc420089400, 0xba0a20, 0xc429faf240, 0x0, 0x0, 0x0)
	/usr/local/go/src/net/http/server.go:933 +0x17c
net/http.(*conn).serve(0xc420089400, 0xba0a20, 0xc429faf240)
	/usr/local/go/src/net/http/server.go:1739 +0x50e
created by net/http.(*Server).Serve
	/usr/local/go/src/net/http/server.go:2720 +0x288

goroutine 42367 [IO wait]:
internal/poll.runtime_pollWait(0x7fad9a6a6a30, 0x72, 0x0)
	/usr/local/go/src/runtime/netpoll.go:173 +0x57
internal/poll.(*pollDesc).wait(0xc42155ab98, 0x72, 0xffffffffffffff00, 0xb9cba0, 0xb986a8)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:85 +0xae
internal/poll.(*pollDesc).waitRead(0xc42155ab98, 0xc42bc9e000, 0x1000, 0x1000)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:90 +0x3d
internal/poll.(*FD).Read(0xc42155ab80, 0xc42bc9e000, 0x1000, 0x1000, 0x0, 0x0, 0x0)
	/usr/local/go/src/internal/poll/fd_unix.go:126 +0x18a
net.(*netFD).Read(0xc42155ab80, 0xc42bc9e000, 0x1000, 0x1000, 0xc42559b8c8, 0x66682a, 0xc4278b0ff8)
	/usr/local/go/src/net/fd_unix.go:202 +0x52
net.(*conn).Read(0xc422498570, 0xc42bc9e000, 0x1000, 0x1000, 0x0, 0x0, 0x0)
	/usr/local/go/src/net/net.go:176 +0x6d
net/http.(*connReader).Read(0xc4278b0ff0, 0xc42bc9e000, 0x1000, 0x1000, 0xc429fafbc0, 0xb982c8, 0x2)
	/usr/local/go/src/net/http/server.go:753 +0x105
bufio.(*Reader).fill(0xc4236bb500)
	/usr/local/go/src/bufio/bufio.go:97 +0x11a
bufio.(*Reader).ReadSlice(0xc4236bb500, 0xc429fafb0a, 0xc42559ba38, 0x0, 0x0, 0xf3, 0x33)
	/usr/local/go/src/bufio/bufio.go:338 +0x2c
bufio.(*Reader).ReadLine(0xc4236bb500, 0x100, 0xf8, 0x926180, 0xc42559ba98, 0x220000402d89, 0xf8)
	/usr/local/go/src/bufio/bufio.go:367 +0x34
net/textproto.(*Reader).readLineSlice(0xc422217c20, 0xc42559bb20, 0xc42559bb20, 0x412688, 0x100, 0x926180)
	/usr/local/go/src/net/textproto/reader.go:55 +0x70
net/textproto.(*Reader).ReadLine(0xc422217c20, 0xc421ffd200, 0x0, 0xc42559bb90, 0x490822)
	/usr/local/go/src/net/textproto/reader.go:36 +0x2b
net/http.readRequest(0xc4236bb500, 0x0, 0xc421ffd200, 0x0, 0x0)
	/usr/local/go/src/net/http/request.go:925 +0x99
net/http.(*conn).readRequest(0xc420089180, 0xba0a20, 0xc429fafb80, 0x0, 0x0, 0x0)
	/usr/local/go/src/net/http/server.go:933 +0x17c
net/http.(*conn).serve(0xc420089180, 0xba0a20, 0xc429fafb80)
	/usr/local/go/src/net/http/server.go:1739 +0x50e
created by net/http.(*Server).Serve
	/usr/local/go/src/net/http/server.go:2720 +0x288

goroutine 47950 [runnable]:
internal/poll.runtime_pollWait(0x7fad981bf8f8, 0x72, 0x0)
	/usr/local/go/src/runtime/netpoll.go:173 +0x57
internal/poll.(*pollDesc).wait(0xc42b173198, 0x72, 0xffffffffffffff00, 0xb9cba0, 0xb986a8)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:85 +0xae
internal/poll.(*pollDesc).waitRead(0xc42b173198, 0xc4210e2000, 0x1000, 0x1000)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:90 +0x3d
internal/poll.(*FD).Read(0xc42b173180, 0xc4210e2000, 0x1000, 0x1000, 0x0, 0x0, 0x0)
	/usr/local/go/src/internal/poll/fd_unix.go:126 +0x18a
net.(*netFD).Read(0xc42b173180, 0xc4210e2000, 0x1000, 0x1000, 0x9341e1, 0xc4227a90a0, 0x4def54)
	/usr/local/go/src/net/fd_unix.go:202 +0x52
net.(*conn).Read(0xc427a6c060, 0xc4210e2000, 0x1000, 0x1000, 0x0, 0x0, 0x0)
	/usr/local/go/src/net/net.go:176 +0x6d
bufio.(*Reader).Read(0xc4254226c0, 0xc42c4b6860, 0x5, 0x80, 0xc42c4b6330, 0xc4227a9128, 0x490102)
	/usr/local/go/src/bufio/bufio.go:213 +0x30b
io.ReadAtLeast(0xb99e20, 0xc4254226c0, 0xc42c4b6860, 0x5, 0x80, 0x5, 0x0, 0x0, 0xe0)
	/usr/local/go/src/io/io.go:309 +0x86
io.ReadFull(0xb99e20, 0xc4254226c0, 0xc42c4b6860, 0x5, 0x80, 0x400, 0xc00000000eb, 0x40)
	/usr/local/go/src/io/io.go:327 +0x58
github.com/terranodo/tegola/vendor/github.com/jackc/pgx.(*msgReader).rxMsg(0xc42c4b6858, 0xc4200f8700, 0x7fad9a6f2000, 0x0)
	/home/zhl/go/src/github.com/terranodo/tegola/vendor/github.com/jackc/pgx/msg_reader.go:51 +0x83
github.com/terranodo/tegola/vendor/github.com/jackc/pgx.(*Conn).rxMsg(0xc42c4b6300, 0xc429b88280, 0xeb, 0x400, 0xeb)
	/home/zhl/go/src/github.com/terranodo/tegola/vendor/github.com/jackc/pgx/conn.go:1042 +0x4d
github.com/terranodo/tegola/vendor/github.com/jackc/pgx.(*Conn).PrepareEx(0xc42c4b6300, 0x0, 0x0, 0xc422b6b260, 0xd6, 0x0, 0xc429b88
	/home/zhl/go/src/github.com/terranodo/tegola/vendor/github.com/jackc/pgx/conn.go:662 +0x98e
github.com/terranodo/tegola/vendor/github.com/jackc/pgx.(*Conn).Prepare(0xc42c4b6300, 0x0, 0x0, 0xc422b6b260, 0xd6, 0x0, 0xc4227a954
	/home/zhl/go/src/github.com/terranodo/tegola/vendor/github.com/jackc/pgx/conn.go:598 +0x5c
github.com/terranodo/tegola/vendor/github.com/jackc/pgx.(*Conn).Query(0xc42c4b6300, 0xc422b6b260, 0xd6, 0x0, 0x0, 0x0, 0xc4204cad10,
	/home/zhl/go/src/github.com/terranodo/tegola/vendor/github.com/jackc/pgx/query.go:448 +0x370
github.com/terranodo/tegola/vendor/github.com/jackc/pgx.(*ConnPool).Query(0xc4200b2f00, 0xc422b6b260, 0xd6, 0x0, 0x0, 0x0, 0x0, 0x0,
	/home/zhl/go/src/github.com/terranodo/tegola/vendor/github.com/jackc/pgx/conn_pool.go:352 +0x130
github.com/terranodo/tegola/provider/postgis.(*Provider).ForEachFeature(0xc4227a9d10, 0xba0ae0, 0xc422688660, 0xc4201cea64, 0xb, 0x1
	/home/zhl/go/src/github.com/terranodo/tegola/provider/postgis/postgis_foreach.go:43 +0x404
github.com/terranodo/tegola/provider/postgis.Provider.MVTLayer(0xc420017140, 0x9, 0x1538, 0xc420017190, 0x6, 0xc4200171b0, 0x4, 0xc4
	/home/zhl/go/src/github.com/terranodo/tegola/provider/postgis/postgis.go:331 +0x167
github.com/terranodo/tegola/provider/postgis.(*Provider).MVTLayer(0xc4200fd450, 0xba0ae0, 0xc422688660, 0xc4201cea64, 0xb, 0x14, 0x8
	<autogenerated>:1 +0xfb
github.com/terranodo/tegola/server.HandleMapZXY.ServeHTTP.func1(0xc425412620, 0xc421ffc100, 0xc4204cb7c0, 0xc421ae7500, 0x10, 0x10, 
	/home/zhl/go/src/github.com/terranodo/tegola/server/handle_map_zxy.go:155 +0xf2
created by github.com/terranodo/tegola/server.HandleMapZXY.ServeHTTP
	/home/zhl/go/src/github.com/terranodo/tegola/server/handle_map_zxy.go:150 +0x516

goroutine 47884 [IO wait]:
internal/poll.runtime_pollWait(0x7fad9a6025b0, 0x72, 0x0)
	/usr/local/go/src/runtime/netpoll.go:173 +0x57
internal/poll.(*pollDesc).wait(0xc42155aa18, 0x72, 0xffffffffffffff00, 0xb9cba0, 0xb986a8)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:85 +0xae
internal/poll.(*pollDesc).waitRead(0xc42155aa18, 0xc4278b0a00, 0x1, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:90 +0x3d
internal/poll.(*FD).Read(0xc42155aa00, 0xc4278b0a31, 0x1, 0x1, 0x0, 0x0, 0x0)
	/usr/local/go/src/internal/poll/fd_unix.go:126 +0x18a
net.(*netFD).Read(0xc42155aa00, 0xc4278b0a31, 0x1, 0x1, 0x0, 0x0, 0x0)
	/usr/local/go/src/net/fd_unix.go:202 +0x52
net.(*conn).Read(0xc422498558, 0xc4278b0a31, 0x1, 0x1, 0x0, 0x0, 0x0)
	/usr/local/go/src/net/net.go:176 +0x6d
net/http.(*connReader).backgroundRead(0xc4278b0a20)
	/usr/local/go/src/net/http/server.go:660 +0x62
created by net/http.(*connReader).startBackgroundRead
	/usr/local/go/src/net/http/server.go:656 +0xd8

goroutine 47952 [IO wait]:
internal/poll.runtime_pollWait(0x7fad9a602df0, 0x72, 0x0)
	/usr/local/go/src/runtime/netpoll.go:173 +0x57
internal/poll.(*pollDesc).wait(0xc42155aa98, 0x72, 0xffffffffffffff00, 0xb9cba0, 0xb986a8)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:85 +0xae
internal/poll.(*pollDesc).waitRead(0xc42155aa98, 0xc4278b0c00, 0x1, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:90 +0x3d
internal/poll.(*FD).Read(0xc42155aa80, 0xc4278b0c11, 0x1, 0x1, 0x0, 0x0, 0x0)
	/usr/local/go/src/internal/poll/fd_unix.go:126 +0x18a
net.(*netFD).Read(0xc42155aa80, 0xc4278b0c11, 0x1, 0x1, 0xc429be50e0, 0xc429be5620, 0xc4201d6480)
	/usr/local/go/src/net/fd_unix.go:202 +0x52
net.(*conn).Read(0xc422498560, 0xc4278b0c11, 0x1, 0x1, 0x0, 0x0, 0x0)
	/usr/local/go/src/net/net.go:176 +0x6d
net/http.(*connReader).backgroundRead(0xc4278b0c00)
	/usr/local/go/src/net/http/server.go:660 +0x62
created by net/http.(*connReader).startBackgroundRead
	/usr/local/go/src/net/http/server.go:656 +0xd8

goroutine 7517 [select]:
github.com/terranodo/tegola/maths/makevalid.destructure5(0xba0ae0, 0xc4201b7e30, 0xb9a4a0, 0xc42175e000, 0xc423786ba8, 0xc4313ec000,
	/home/zhl/go/src/github.com/terranodo/tegola/maths/makevalid/main.go:326 +0x28af
github.com/terranodo/tegola/maths/makevalid.MakeValid(0xba0ae0, 0xc4201b7e30, 0xb9a4a0, 0xc42175e000, 0x40b0000000000000, 0xc4202121
	/home/zhl/go/src/github.com/terranodo/tegola/maths/makevalid/main.go:350 +0x14e
github.com/terranodo/tegola/maths/validate.makePolygonValid(0xba0ae0, 0xc4201b7e30, 0xc42022c2d0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0,
	/home/zhl/go/src/github.com/terranodo/tegola/maths/validate/validate.go:57 +0x3a5
github.com/terranodo/tegola/maths/validate.CleanGeometry(0xba0ae0, 0xc4201b7e30, 0x8edc80, 0xc4228da040, 0x40b0000000000000, 0xc4228
	/home/zhl/go/src/github.com/terranodo/tegola/maths/validate/validate.go:86 +0x660
github.com/terranodo/tegola/mvt.encodeGeometry(0xba0ae0, 0xc4201b7e30, 0x8c9da0, 0xc4226f0020, 0xc15ca9f46828f5c2, 0x415ca9f46828f5c
	/home/zhl/go/src/github.com/terranodo/tegola/mvt/feature.go:587 +0x1e5
github.com/terranodo/tegola/mvt.(*Feature).VTileFeature(0xc423787460, 0xba0ae0, 0xc4201b7e30, 0xc42014e5a0, 0x1, 0x1, 0xc4241fa000, 
	/home/zhl/go/src/github.com/terranodo/tegola/mvt/feature.go:84 +0x1a2
github.com/terranodo/tegola/mvt.(*Layer).VTileLayer(0xc423787580, 0xba0ae0, 0xc4201b7e30, 0xc15ca9f46828f5c2, 0x415ca9f46828f5c2, 0x
	/home/zhl/go/src/github.com/terranodo/tegola/mvt/layer.go:87 +0x35d
github.com/terranodo/tegola/mvt.(*Tile).VTile(0xc4230457b8, 0xba0ae0, 0xc4201b7e30, 0xc15ca9f46828f5c2, 0x415ca9f46828f5c2, 0xc1531b
	/home/zhl/go/src/github.com/terranodo/tegola/mvt/tile.go:47 +0x13f
github.com/terranodo/tegola/server.HandleMapZXY.ServeHTTP(0xc420268aca, 0x3, 0x4, 0x5, 0x5, 0xc420268ad4, 0x3, 0x0, 0xb9fd60, 0xc423
	/home/zhl/go/src/github.com/terranodo/tegola/server/handle_map_zxy.go:199 +0x693
github.com/terranodo/tegola/server.(*HandleMapZXY).ServeHTTP(0xc4201d6bc0, 0xb9fd60, 0xc4230029a0, 0xc4233a6000)
	<autogenerated>:1 +0x6c
github.com/terranodo/tegola/server.TileCacheHandler.func1(0xba0060, 0xc4201fce00, 0xc4233a6000)
	/home/zhl/go/src/github.com/terranodo/tegola/server/middleware_tile_cache.go:48 +0x2e0
net/http.HandlerFunc.ServeHTTP(0xc4204bbea0, 0xba0060, 0xc4201fce00, 0xc4233a6000)
	/usr/local/go/src/net/http/server.go:1918 +0x44
github.com/terranodo/tegola/vendor/github.com/dimfeld/httptreemux.(*ContextGroup).Handler.func1(0xba0060, 0xc4201fce00, 0xc429a3c100
	/home/zhl/go/src/github.com/terranodo/tegola/vendor/github.com/dimfeld/httptreemux/context.go:62 +0xe8
github.com/terranodo/tegola/vendor/github.com/dimfeld/httptreemux.(*TreeMux).ServeHTTP(0xc4200f6150, 0xba0060, 0xc4201fce00, 0xc429a
	/home/zhl/go/src/github.com/terranodo/tegola/vendor/github.com/dimfeld/httptreemux/router.go:252 +0x308
net/http.serverHandler.ServeHTTP(0xc420464820, 0xba0060, 0xc4201fce00, 0xc429a3c100)
	/usr/local/go/src/net/http/server.go:2619 +0xb4
net/http.(*conn).serve(0xc421e14000, 0xba0a20, 0xc424e80180)
	/usr/local/go/src/net/http/server.go:1801 +0x71d
created by net/http.(*Server).Serve
	/usr/local/go/src/net/http/server.go:2720 +0x288

goroutine 7520 [IO wait]:
internal/poll.runtime_pollWait(0x7fad9a6a6af0, 0x72, 0x0)
	/usr/local/go/src/runtime/netpoll.go:173 +0x57
internal/poll.(*pollDesc).wait(0xc421e12198, 0x72, 0xffffffffffffff00, 0xb9cba0, 0xb986a8)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:85 +0xae
internal/poll.(*pollDesc).waitRead(0xc421e12198, 0xc423cec000, 0x1000, 0x1000)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:90 +0x3d
internal/poll.(*FD).Read(0xc421e12180, 0xc423cec000, 0x1000, 0x1000, 0x0, 0x0, 0x0)
	/usr/local/go/src/internal/poll/fd_unix.go:126 +0x18a
net.(*netFD).Read(0xc421e12180, 0xc423cec000, 0x1000, 0x1000, 0xc429e518c8, 0x66682a, 0xc4201a0428)
	/usr/local/go/src/net/fd_unix.go:202 +0x52
net.(*conn).Read(0xc422498070, 0xc423cec000, 0x1000, 0x1000, 0x0, 0x0, 0x0)
	/usr/local/go/src/net/net.go:176 +0x6d
net/http.(*connReader).Read(0xc4201a0420, 0xc423cec000, 0x1000, 0x1000, 0xc424e803c0, 0x320000000003, 0x198)
	/usr/local/go/src/net/http/server.go:753 +0x105
bufio.(*Reader).fill(0xc4203dc540)
	/usr/local/go/src/bufio/bufio.go:97 +0x11a
bufio.(*Reader).ReadSlice(0xc4203dc540, 0xc4226b670a, 0xc429e51a10, 0xc429e51a80, 0x470a2a, 0xc429e51ab8, 0x411f27)
	/usr/local/go/src/bufio/bufio.go:338 +0x2c
bufio.(*Reader).ReadLine(0xc4203dc540, 0x100, 0xf8, 0x926180, 0x4, 0x220000c0d740, 0xf8)
	/usr/local/go/src/bufio/bufio.go:367 +0x34
net/textproto.(*Reader).readLineSlice(0xc4278b0e70, 0xc429e51b20, 0xc429e51b20, 0x412688, 0x100, 0x926180)
	/usr/local/go/src/net/textproto/reader.go:55 +0x70
net/textproto.(*Reader).ReadLine(0xc4278b0e70, 0xc42c3df300, 0x0, 0xc429e51b90, 0x490822)
	/usr/local/go/src/net/textproto/reader.go:36 +0x2b
net/http.readRequest(0xc4203dc540, 0x0, 0xc42c3df300, 0x0, 0x0)
	/usr/local/go/src/net/http/request.go:925 +0x99
net/http.(*conn).readRequest(0xc421e141e0, 0xba0a20, 0xc424e80380, 0x0, 0x0, 0x0)
	/usr/local/go/src/net/http/server.go:933 +0x17c
net/http.(*conn).serve(0xc421e141e0, 0xba0a20, 0xc424e80380)
	/usr/local/go/src/net/http/server.go:1739 +0x50e
created by net/http.(*Server).Serve
	/usr/local/go/src/net/http/server.go:2720 +0x288

goroutine 7518 [semacquire]:
sync.runtime_Semacquire(0xc4225a6b4c)
	/usr/local/go/src/runtime/sema.go:56 +0x39
sync.(*WaitGroup).Wait(0xc4225a6b40)
	/usr/local/go/src/sync/waitgroup.go:131 +0x72
github.com/terranodo/tegola/maths/makevalid/plyg.GenerateMultiPolygon(0xc429c66000, 0x80a, 0x80a, 0x0, 0xc4218cc7e0, 0x80a)
	/home/zhl/go/src/github.com/terranodo/tegola/maths/makevalid/plyg/ring.go:877 +0x29b
github.com/terranodo/tegola/maths/makevalid.destructure5(0xba0ae0, 0xc4218cc7e0, 0xb9a4a0, 0xc439352000, 0xc429e4cba8, 0xc43044c000,
	/home/zhl/go/src/github.com/terranodo/tegola/maths/makevalid/main.go:340 +0x2981
github.com/terranodo/tegola/maths/makevalid.MakeValid(0xba0ae0, 0xc4218cc7e0, 0xb9a4a0, 0xc439352000, 0x40b0000000000000, 0xc424f080
	/home/zhl/go/src/github.com/terranodo/tegola/maths/makevalid/main.go:350 +0x14e
github.com/terranodo/tegola/maths/validate.makePolygonValid(0xba0ae0, 0xc4218cc7e0, 0xc43863c050, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0,
	/home/zhl/go/src/github.com/terranodo/tegola/maths/validate/validate.go:57 +0x3a5
github.com/terranodo/tegola/maths/validate.CleanGeometry(0xba0ae0, 0xc4218cc7e0, 0x8edc80, 0xc42068c040, 0x40b0000000000000, 0xc4206
	/home/zhl/go/src/github.com/terranodo/tegola/maths/validate/validate.go:86 +0x660
github.com/terranodo/tegola/mvt.encodeGeometry(0xba0ae0, 0xc4218cc7e0, 0x8c9da0, 0xc4299f1520, 0xc1631bf84570a3d7, 0x415ca9f46828f5c
	/home/zhl/go/src/github.com/terranodo/tegola/mvt/feature.go:587 +0x1e5
github.com/terranodo/tegola/mvt.(*Feature).VTileFeature(0xc429e4d460, 0xba0ae0, 0xc4218cc7e0, 0xc42044e3a0, 0x1, 0x1, 0xc4261a8000, 
	/home/zhl/go/src/github.com/terranodo/tegola/mvt/feature.go:84 +0x1a2
github.com/terranodo/tegola/mvt.(*Layer).VTileLayer(0xc429e4d580, 0xba0ae0, 0xc4218cc7e0, 0xc1631bf84570a3d7, 0x415ca9f46828f5c2, 0x
	/home/zhl/go/src/github.com/terranodo/tegola/mvt/layer.go:87 +0x35d
github.com/terranodo/tegola/mvt.(*Tile).VTile(0xc42329d7b8, 0xba0ae0, 0xc4218cc7e0, 0xc1631bf84570a3d7, 0x415ca9f46828f5c2, 0xc15ca9
	/home/zhl/go/src/github.com/terranodo/tegola/mvt/tile.go:47 +0x13f
github.com/terranodo/tegola/server.HandleMapZXY.ServeHTTP(0xc420fda52a, 0x3, 0x4, 0x4, 0x5, 0xc420fda534, 0x3, 0x0, 0xb9fd60, 0xc422
	/home/zhl/go/src/github.com/terranodo/tegola/server/handle_map_zxy.go:199 +0x693
github.com/terranodo/tegola/server.(*HandleMapZXY).ServeHTTP(0xc4201d6bc0, 0xb9fd60, 0xc4220029e0, 0xc421ffd400)
	<autogenerated>:1 +0x6c
github.com/terranodo/tegola/server.TileCacheHandler.func1(0xba0060, 0xc4201fddc0, 0xc421ffd400)
	/home/zhl/go/src/github.com/terranodo/tegola/server/middleware_tile_cache.go:48 +0x2e0
net/http.HandlerFunc.ServeHTTP(0xc4204bbea0, 0xba0060, 0xc4201fddc0, 0xc421ffd400)
	/usr/local/go/src/net/http/server.go:1918 +0x44
github.com/terranodo/tegola/vendor/github.com/dimfeld/httptreemux.(*ContextGroup).Handler.func1(0xba0060, 0xc4201fddc0, 0xc4233aab00
	/home/zhl/go/src/github.com/terranodo/tegola/vendor/github.com/dimfeld/httptreemux/context.go:62 +0xe8
github.com/terranodo/tegola/vendor/github.com/dimfeld/httptreemux.(*TreeMux).ServeHTTP(0xc4200f6150, 0xba0060, 0xc4201fddc0, 0xc4233
	/home/zhl/go/src/github.com/terranodo/tegola/vendor/github.com/dimfeld/httptreemux/router.go:252 +0x308
net/http.serverHandler.ServeHTTP(0xc420464820, 0xba0060, 0xc4201fddc0, 0xc4233aab00)
	/usr/local/go/src/net/http/server.go:2619 +0xb4
net/http.(*conn).serve(0xc421e140a0, 0xba0a20, 0xc424e80240)
	/usr/local/go/src/net/http/server.go:1801 +0x71d
created by net/http.(*Server).Serve
	/usr/local/go/src/net/http/server.go:2720 +0x288

goroutine 45006 [runnable]:
github.com/terranodo/tegola/maths/makevalid/plyg.(*Builder).AddPts(0xc42003fd70, 0x407eaaaaaaaaaa02, 0xc428194c60, 0x1, 0x3a, 0xc428
	/home/zhl/go/src/github.com/terranodo/tegola/maths/makevalid/plyg/builder.go:91 +0x809
github.com/terranodo/tegola/maths/makevalid/plyg.(*RingCol).addPts(0xc42003fe90, 0xb9a4a0, 0xc42175e000, 0xc42003fd70, 0xc428194c60,
	/home/zhl/go/src/github.com/terranodo/tegola/maths/makevalid/plyg/ring.go:148 +0x289
github.com/terranodo/tegola/maths/makevalid/plyg.BuildRingCol(0xba0ae0, 0xc4201b7e30, 0xb9a4a0, 0xc42175e000, 0xc428194c00, 0x23, 0x
	/home/zhl/go/src/github.com/terranodo/tegola/maths/makevalid/plyg/ring.go:419 +0x345
github.com/terranodo/tegola/maths/makevalid.destructure5.func4(0x3, 0xba0ae0, 0xc4201b7e30)
	/home/zhl/go/src/github.com/terranodo/tegola/maths/makevalid/main.go:309 +0x216
created by github.com/terranodo/tegola/maths/makevalid.destructure5
	/home/zhl/go/src/github.com/terranodo/tegola/maths/makevalid/main.go:323 +0x278c

goroutine 43317 [runnable]:
github.com/terranodo/tegola/maths/makevalid/plyg.merge2AdjectRC(0xc425898000, 0x224, 0x400, 0xc030000000000000, 0x4099440000000000, 
	/home/zhl/go/src/github.com/terranodo/tegola/maths/makevalid/plyg/ring.go:640 +0x17b7
github.com/terranodo/tegola/maths/makevalid/plyg.MergeCols(0xc42c4ba000, 0x8e6, 0x8e7, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
	/home/zhl/go/src/github.com/terranodo/tegola/maths/makevalid/plyg/ring.go:831 +0x101
github.com/terranodo/tegola/maths/makevalid/plyg.GenerateMultiPolygon.func1(0x1)
	/home/zhl/go/src/github.com/terranodo/tegola/maths/makevalid/plyg/ring.go:845 +0x2e1
created by github.com/terranodo/tegola/maths/makevalid/plyg.GenerateMultiPolygon
	/home/zhl/go/src/github.com/terranodo/tegola/maths/makevalid/plyg/ring.go:856 +0x176

goroutine 42801 [runnable]:
time.Now(0x8acde0, 0xc429e517e8, 0xc429e51198)
	/usr/local/go/src/time/time.go:1043 +0xb7
github.com/terranodo/tegola/maths/makevalid/plyg.merge2AdjectRC(0xc4261ca000, 0x155, 0x200, 0xc030000000000000, 0x40ae180000000000, 
	/home/zhl/go/src/github.com/terranodo/tegola/maths/makevalid/plyg/ring.go:594 +0x1978
github.com/terranodo/tegola/maths/makevalid/plyg.MergeCols(0xc429c66000, 0x80a, 0x80a, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
	/home/zhl/go/src/github.com/terranodo/tegola/maths/makevalid/plyg/ring.go:831 +0x101
github.com/terranodo/tegola/maths/makevalid/plyg.GenerateMultiPolygon.func1(0x3)
	/home/zhl/go/src/github.com/terranodo/tegola/maths/makevalid/plyg/ring.go:845 +0x2e1
created by github.com/terranodo/tegola/maths/makevalid/plyg.GenerateMultiPolygon
	/home/zhl/go/src/github.com/terranodo/tegola/maths/makevalid/plyg/ring.go:856 +0x176

goroutine 42366 [semacquire]:
sync.runtime_Semacquire(0xc42541262c)
	/usr/local/go/src/runtime/sema.go:56 +0x39
sync.(*WaitGroup).Wait(0xc425412620)
	/usr/local/go/src/sync/waitgroup.go:131 +0x72
github.com/terranodo/tegola/server.HandleMapZXY.ServeHTTP(0xc4272e756a, 0x3, 0x14, 0x8510d, 0x55ff6, 0xc4272e757f, 0x3, 0x0, 0xb9fd6
	/home/zhl/go/src/github.com/terranodo/tegola/server/handle_map_zxy.go:177 +0x54f
github.com/terranodo/tegola/server.(*HandleMapZXY).ServeHTTP(0xc4201d6bc0, 0xb9fd60, 0xc420506860, 0xc421ffc100)
	<autogenerated>:1 +0x6c
github.com/terranodo/tegola/server.TileCacheHandler.func1(0xba0060, 0xc422d8e620, 0xc421ffc100)
	/home/zhl/go/src/github.com/terranodo/tegola/server/middleware_tile_cache.go:48 +0x2e0
net/http.HandlerFunc.ServeHTTP(0xc4204bbea0, 0xba0060, 0xc422d8e620, 0xc421ffc100)
	/usr/local/go/src/net/http/server.go:1918 +0x44
github.com/terranodo/tegola/vendor/github.com/dimfeld/httptreemux.(*ContextGroup).Handler.func1(0xba0060, 0xc422d8e620, 0xc42548dd00
	/home/zhl/go/src/github.com/terranodo/tegola/vendor/github.com/dimfeld/httptreemux/context.go:62 +0xe8
github.com/terranodo/tegola/vendor/github.com/dimfeld/httptreemux.(*TreeMux).ServeHTTP(0xc4200f6150, 0xba0060, 0xc422d8e620, 0xc4254
	/home/zhl/go/src/github.com/terranodo/tegola/vendor/github.com/dimfeld/httptreemux/router.go:252 +0x308
net/http.serverHandler.ServeHTTP(0xc420464820, 0xba0060, 0xc422d8e620, 0xc42548dd00)
	/usr/local/go/src/net/http/server.go:2619 +0xb4
net/http.(*conn).serve(0xc420089040, 0xba0a20, 0xc429faf940)
	/usr/local/go/src/net/http/server.go:1801 +0x71d
created by net/http.(*Server).Serve
	/usr/local/go/src/net/http/server.go:2720 +0x288

goroutine 42365 [runnable]:
syscall.Syscall6(0x101, 0xffffffffffffff9c, 0xc4270a2200, 0x80242, 0x1b6, 0x0, 0x0, 0x42, 0x80242, 0x0)
	/usr/local/go/src/syscall/asm_linux_amd64.s:44 +0x5
syscall.openat(0xffffffffffffff9c, 0xc4265596e0, 0x30, 0x80242, 0x1b6, 0xc426559703, 0x6, 0xc42378b960)
	/usr/local/go/src/syscall/zsyscall_linux_amd64.go:38 +0xba
syscall.Open(0xc4265596e0, 0x30, 0x80242, 0xc4000001b6, 0x0, 0xc42378b988, 0x2)
	/usr/local/go/src/syscall/syscall_linux.go:51 +0x50
os.OpenFile(0xc4265596e0, 0x30, 0x242, 0x1b6, 0xc42378b9c8, 0xc42378b9d0, 0xc437e567e0)
	/usr/local/go/src/os/file_unix.go:158 +0x7a
os.Create(0xc4265596e0, 0x30, 0xc437e567e0, 0x0, 0x0)
	/usr/local/go/src/os/file.go:247 +0x46
github.com/terranodo/tegola/cache/filecache.(*Filecache).Set(0xc4201d7840, 0xc4204cb980, 0xc427a64d00, 0x185, 0x185, 0x0, 0x0)
	/home/zhl/go/src/github.com/terranodo/tegola/cache/filecache/filecache.go:196 +0x2b2
github.com/terranodo/tegola/server.TileCacheHandler.func1(0xba0060, 0xc422d8f180, 0xc421ffc300)
	/home/zhl/go/src/github.com/terranodo/tegola/server/middleware_tile_cache.go:55 +0x37b
net/http.HandlerFunc.ServeHTTP(0xc4204bbea0, 0xba0060, 0xc422d8f180, 0xc421ffc300)
	/usr/local/go/src/net/http/server.go:1918 +0x44
github.com/terranodo/tegola/vendor/github.com/dimfeld/httptreemux.(*ContextGroup).Handler.func1(0xba0060, 0xc422d8f180, 0xc42548dc00
	/home/zhl/go/src/github.com/terranodo/tegola/vendor/github.com/dimfeld/httptreemux/context.go:62 +0xe8
github.com/terranodo/tegola/vendor/github.com/dimfeld/httptreemux.(*TreeMux).ServeHTTP(0xc4200f6150, 0xba0060, 0xc422d8f180, 0xc4254
	/home/zhl/go/src/github.com/terranodo/tegola/vendor/github.com/dimfeld/httptreemux/router.go:252 +0x308
net/http.serverHandler.ServeHTTP(0xc420464820, 0xba0060, 0xc422d8f180, 0xc42548dc00)
	/usr/local/go/src/net/http/server.go:2619 +0xb4
net/http.(*conn).serve(0xc420088f00, 0xba0a20, 0xc429faf700)
	/usr/local/go/src/net/http/server.go:1801 +0x71d
created by net/http.(*Server).Serve
	/usr/local/go/src/net/http/server.go:2720 +0x288

goroutine 45005 [runnable]:
github.com/terranodo/tegola/maths/makevalid/plyg.(*Builder).AddPts(0xc425667d70, 0x407ebaaaaaaaaa02, 0xc428193c10, 0x1, 0x1f, 0xc428
	/home/zhl/go/src/github.com/terranodo/tegola/maths/makevalid/plyg/builder.go:91 +0x809
github.com/terranodo/tegola/maths/makevalid/plyg.(*RingCol).addPts(0xc425667e90, 0xb9a4a0, 0xc42175e000, 0xc425667d70, 0xc428193c10,
	/home/zhl/go/src/github.com/terranodo/tegola/maths/makevalid/plyg/ring.go:148 +0x289
github.com/terranodo/tegola/maths/makevalid/plyg.BuildRingCol(0xba0ae0, 0xc4201b7e30, 0xb9a4a0, 0xc42175e000, 0xc428193c00, 0x1e, 0x
	/home/zhl/go/src/github.com/terranodo/tegola/maths/makevalid/plyg/ring.go:419 +0x345
github.com/terranodo/tegola/maths/makevalid.destructure5.func4(0x2, 0xba0ae0, 0xc4201b7e30)
	/home/zhl/go/src/github.com/terranodo/tegola/maths/makevalid/main.go:309 +0x216
created by github.com/terranodo/tegola/maths/makevalid.destructure5
	/home/zhl/go/src/github.com/terranodo/tegola/maths/makevalid/main.go:323 +0x278c

goroutine 18594 [IO wait, 1 minutes]:
internal/poll.runtime_pollWait(0x7fad9a602430, 0x72, 0x0)
	/usr/local/go/src/runtime/netpoll.go:173 +0x57
internal/poll.(*pollDesc).wait(0xc421e12118, 0x72, 0xffffffffffffff00, 0xb9cba0, 0xb986a8)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:85 +0xae
internal/poll.(*pollDesc).waitRead(0xc421e12118, 0xc4201a0400, 0x1, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:90 +0x3d
internal/poll.(*FD).Read(0xc421e12100, 0xc4201a04f1, 0x1, 0x1, 0x0, 0x0, 0x0)
	/usr/local/go/src/internal/poll/fd_unix.go:126 +0x18a
net.(*netFD).Read(0xc421e12100, 0xc4201a04f1, 0x1, 0x1, 0xc421fcef60, 0x0, 0xb9a601)
	/usr/local/go/src/net/fd_unix.go:202 +0x52
net.(*conn).Read(0xc422498068, 0xc4201a04f1, 0x1, 0x1, 0x0, 0x0, 0x0)
	/usr/local/go/src/net/net.go:176 +0x6d
net/http.(*connReader).backgroundRead(0xc4201a04e0)
	/usr/local/go/src/net/http/server.go:660 +0x62
created by net/http.(*connReader).startBackgroundRead
	/usr/local/go/src/net/http/server.go:656 +0xd8

goroutine 47935 [IO wait]:
internal/poll.runtime_pollWait(0x7fad9a6a6bb0, 0x72, 0x0)
	/usr/local/go/src/runtime/netpoll.go:173 +0x57
internal/poll.(*pollDesc).wait(0xc42155ab18, 0x72, 0xffffffffffffff00, 0xb9cba0, 0xb986a8)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:85 +0xae
internal/poll.(*pollDesc).waitRead(0xc42155ab18, 0xc4278b0d00, 0x1, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:90 +0x3d
internal/poll.(*FD).Read(0xc42155ab00, 0xc4278b0df1, 0x1, 0x1, 0x0, 0x0, 0x0)
	/usr/local/go/src/internal/poll/fd_unix.go:126 +0x18a
net.(*netFD).Read(0xc42155ab00, 0xc4278b0df1, 0x1, 0x1, 0xc423501320, 0xb9a4a0, 0xc4202717c0)
	/usr/local/go/src/net/fd_unix.go:202 +0x52
net.(*conn).Read(0xc422498568, 0xc4278b0df1, 0x1, 0x1, 0x0, 0x0, 0x0)
	/usr/local/go/src/net/net.go:176 +0x6d
net/http.(*connReader).backgroundRead(0xc4278b0de0)
	/usr/local/go/src/net/http/server.go:660 +0x62
created by net/http.(*connReader).startBackgroundRead
	/usr/local/go/src/net/http/server.go:656 +0xd8
[root@localhost ~/tegola-osm]./tegola -config=tegola.toml
@gdey gdey added the bug label Nov 21, 2017
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ARolek commented Nov 21, 2017

Thanks for the report. I have a fix on branch issue-188. I will merge to master and rollout a release today.

@ARolek ARolek changed the title concurrent map read and map write Filecache: concurrent map read and map write Nov 21, 2017
@ARolek ARolek changed the title Filecache: concurrent map read and map write Filecache: concurrent map read and map write on Set() Nov 21, 2017
@ARolek ARolek closed this as completed in 73795a7 Nov 21, 2017
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@gdey @ARolek @zhl11b