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Parser and serving panics in dev-2.0 #2629

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gouthamve opened this Issue Apr 17, 2017 · 1 comment

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gouthamve commented Apr 17, 2017

Happened when serving a simple Grafana dashboard with a single scraping instance:

ERRO[1180] parser panic: runtime error: invalid memory address or nil pointer dereference
goroutine 13314 [running]:
github.com/prometheus/prometheus/promql.(*evaluator).recover(0xc4214f68d0, 0xc4212e3308)
	/home/goutham/gocode/src/github.com/prometheus/prometheus/promql/engine.go:555 +0xe3
panic(0x18d5be0, 0x2744570)
	/usr/local/go/src/runtime/panic.go:489 +0x2cf
github.com/prometheus/prometheus/vendor/github.com/prometheus/tsdb.(*chunkSeriesIterator).Next(0xc42121da10, 0x15b7cf1d4d7)
	/home/goutham/gocode/src/github.com/prometheus/prometheus/vendor/github.com/prometheus/tsdb/querier.go:607 +0xa0
github.com/prometheus/prometheus/storage.(*BufferedSeriesIterator).Next(0xc421322980, 0x6)
	/home/goutham/gocode/src/github.com/prometheus/prometheus/storage/buffer.go:70 +0x75
github.com/prometheus/prometheus/storage.(*BufferedSeriesIterator).Seek(0xc421322980, 0x15b7cf1d820, 0x5)
	/home/goutham/gocode/src/github.com/prometheus/prometheus/storage/buffer.go:56 +0x53
github.com/prometheus/prometheus/promql.(*evaluator).matrixSelector(0xc4214f68d0, 0xc4204382a0, 0x1b2dd39, 0x15, 0x0)
	/home/goutham/gocode/src/github.com/prometheus/prometheus/promql/engine.go:797 +0x371
github.com/prometheus/prometheus/promql.(*evaluator).eval(0xc4214f68d0, 0x26a34c0, 0xc4204382a0, 0x18, 0xc420c71501)
	/home/goutham/gocode/src/github.com/prometheus/prometheus/promql/engine.go:683 +0x5cb
github.com/prometheus/prometheus/promql.(*evaluator).evalMatrix(0xc4214f68d0, 0x26a34c0, 0xc4204382a0, 0xc421d2b940, 0x4, 0x5)
	/home/goutham/gocode/src/github.com/prometheus/prometheus/promql/engine.go:604 +0x49
github.com/prometheus/prometheus/promql.extrapolatedRate(0xc4214f68d0, 0x26a34c0, 0xc4204382a0, 0xc4214c0101, 0xc420416ac0, 0x19c4640)
	/home/goutham/gocode/src/github.com/prometheus/prometheus/promql/functions.go:53 +0x7d
github.com/prometheus/prometheus/promql.funcRate(0xc4214f68d0, 0xc4203c6210, 0x1, 0x1, 0x0, 0x0)
	/home/goutham/gocode/src/github.com/prometheus/prometheus/promql/functions.go:135 +0x52
github.com/prometheus/prometheus/promql.(*evaluator).eval(0xc4214f68d0, 0x26a3480, 0xc4214ca0c0, 0xc421c84360, 0x0)
	/home/goutham/gocode/src/github.com/prometheus/prometheus/promql/engine.go:680 +0x17be
github.com/prometheus/prometheus/promql.(*evaluator).evalOneOf(0xc4214f68d0, 0x26a3480, 0xc4214ca0c0, 0x1b15163, 0x6, 0x1b15481, 0x6, 0x0, 0x0)
	/home/goutham/gocode/src/github.com/prometheus/prometheus/promql/engine.go:624 +0x5a
github.com/prometheus/prometheus/promql.(*evaluator).eval(0xc4214f68d0, 0x26a3440, 0xc4205566c0, 0xc4214c3308, 0xc4214f68d0)
	/home/goutham/gocode/src/github.com/prometheus/prometheus/promql/engine.go:651 +0x728
github.com/prometheus/prometheus/promql.(*evaluator).Eval(0xc4214f68d0, 0x26a3440, 0xc4205566c0, 0x0, 0x0, 0x0, 0x0)
	/home/goutham/gocode/src/github.com/prometheus/prometheus/promql/engine.go:634 +0xd3
github.com/prometheus/prometheus/promql.(*Engine).execEvalStmt(0xc4204de720, 0x7f1352eb49b0, 0xc421c843c0, 0xc420556700, 0xc4214860f0, 0x0, 0x0, 0x0, 0x0)
	/home/goutham/gocode/src/github.com/prometheus/prometheus/promql/engine.go:391 +0x485
github.com/prometheus/prometheus/promql.(*Engine).exec(0xc4204de720, 0x7f1352eb49b0, 0xc421c843c0, 0xc420556700, 0x0, 0x0, 0x0, 0x0)
	/home/goutham/gocode/src/github.com/prometheus/prometheus/promql/engine.go:325 +0x3a0
github.com/prometheus/prometheus/promql.(*query).Exec(0xc420556700, 0x7f1353003cc0, 0xc420556400, 0xed086f150)
	/home/goutham/gocode/src/github.com/prometheus/prometheus/promql/engine.go:168 +0x52
github.com/prometheus/prometheus/web/api/v1.(*API).queryRange(0xc4202f3180, 0xc42000ac00, 0x0, 0x0, 0x0)
	/home/goutham/gocode/src/github.com/prometheus/prometheus/web/api/v1/api.go:254 +0x938
github.com/prometheus/prometheus/web/api/v1.(*API).(github.com/prometheus/prometheus/web/api/v1.queryRange)-fm(0xc42000ac00, 0xc4214ca0a0, 0xc4212a4000, 0x3)
	/home/goutham/gocode/src/github.com/prometheus/prometheus/web/api/v1/api.go:141 +0x34
github.com/prometheus/prometheus/web/api/v1.(*API).Register.func1.1(0x26a36c0, 0xc4214ca0a0, 0xc42000ac00)
	/home/goutham/gocode/src/github.com/prometheus/prometheus/web/api/v1/api.go:125 +0x55
net/http.HandlerFunc.ServeHTTP(0xc42043c4e0, 0x26a36c0, 0xc4214ca0a0, 0xc42000ac00)
	/usr/local/go/src/net/http/server.go:1942 +0x44
github.com/prometheus/prometheus/util/httputil.CompressionHandler.ServeHTTP(0x269d600, 0xc42043c4e0, 0x26a3bc0, 0xc4212a4000, 0xc42000ac00)
	/home/goutham/gocode/src/github.com/prometheus/prometheus/util/httputil/compression.go:90 +0x7c
github.com/prometheus/prometheus/util/httputil.(*CompressionHandler).ServeHTTP(0xc42043c4f0, 0x26a3bc0, 0xc4212a4000, 0xc42000ac00)
	<autogenerated>:5 +0x74
net/http.(Handler).ServeHTTP-fm(0x26a3bc0, 0xc4212a4000, 0xc42000ac00)
	/home/goutham/gocode/src/github.com/prometheus/prometheus/vendor/github.com/prometheus/client_golang/prometheus/http.go:179 +0x4d
github.com/prometheus/prometheus/vendor/github.com/prometheus/client_golang/prometheus.InstrumentHandlerFuncWithOpts.func1(0x26a9ac0, 0xc420344380, 0xc42000ac00)
	/home/goutham/gocode/src/github.com/prometheus/prometheus/vendor/github.com/prometheus/client_golang/prometheus/http.go:287 +0x26a
github.com/prometheus/prometheus/vendor/github.com/prometheus/common/route.(*Router).handle.func1(0x26a9ac0, 0xc420344380, 0xc42000ac00, 0x0, 0x0, 0x0)
	/home/goutham/gocode/src/github.com/prometheus/prometheus/vendor/github.com/prometheus/common/route/route.go:84 +0x2a8
github.com/prometheus/prometheus/vendor/github.com/julienschmidt/httprouter.(*Router).ServeHTTP(0xc420557340, 0x26a9ac0, 0xc420344380, 0xc42000ac00)
	/home/goutham/gocode/src/github.com/prometheus/prometheus/vendor/github.com/julienschmidt/httprouter/router.go:299 +0x75d
github.com/prometheus/prometheus/vendor/github.com/prometheus/common/route.(*Router).ServeHTTP(0xc4204de760, 0x26a9ac0, 0xc420344380, 0xc42000ac00)
	/home/goutham/gocode/src/github.com/prometheus/prometheus/vendor/github.com/prometheus/common/route/route.go:126 +0x4c
net/http.serverHandler.ServeHTTP(0xc420aee000, 0x26a9ac0, 0xc420344380, 0xc42000ac00)
	/usr/local/go/src/net/http/server.go:2568 +0x92
net/http.(*conn).serve(0xc421216140, 0x26ab100, 0xc420bfef40)
	/usr/local/go/src/net/http/server.go:1825 +0x612
created by net/http.(*Server).Serve
	/usr/local/go/src/net/http/server.go:2668 +0x2ce
  source=engine.go:557
ERRO[1185] parser panic: runtime error: invalid memory address or nil pointer dereference
goroutine 13315 [running]:
github.com/prometheus/prometheus/promql.(*evaluator).recover(0xc421fbe030, 0xc4214c7308)
	/home/goutham/gocode/src/github.com/prometheus/prometheus/promql/engine.go:555 +0xe3
panic(0x18d5be0, 0x2744570)
	/usr/local/go/src/runtime/panic.go:489 +0x2cf
github.com/prometheus/prometheus/vendor/github.com/prometheus/tsdb.(*chunkSeriesIterator).Next(0xc4214f7b30, 0x15b7cf1d4d7)
	/home/goutham/gocode/src/github.com/prometheus/prometheus/vendor/github.com/prometheus/tsdb/querier.go:607 +0xa0
github.com/prometheus/prometheus/storage.(*BufferedSeriesIterator).Next(0xc42077b040, 0x6)
	/home/goutham/gocode/src/github.com/prometheus/prometheus/storage/buffer.go:70 +0x75
github.com/prometheus/prometheus/storage.(*BufferedSeriesIterator).Seek(0xc42077b040, 0x15b7cf1d820, 0x5)
	/home/goutham/gocode/src/github.com/prometheus/prometheus/storage/buffer.go:56 +0x53
github.com/prometheus/prometheus/promql.(*evaluator).matrixSelector(0xc421fbe030, 0xc42026cb60, 0x1b2dd39, 0x15, 0x0)
	/home/goutham/gocode/src/github.com/prometheus/prometheus/promql/engine.go:797 +0x371
github.com/prometheus/prometheus/promql.(*evaluator).eval(0xc421fbe030, 0x26a34c0, 0xc42026cb60, 0x18, 0xc420c71501)
	/home/goutham/gocode/src/github.com/prometheus/prometheus/promql/engine.go:683 +0x5cb
github.com/prometheus/prometheus/promql.(*evaluator).evalMatrix(0xc421fbe030, 0x26a34c0, 0xc42026cb60, 0xc4214663c0, 0x4, 0x5)
	/home/goutham/gocode/src/github.com/prometheus/prometheus/promql/engine.go:604 +0x49
github.com/prometheus/prometheus/promql.extrapolatedRate(0xc421fbe030, 0x26a34c0, 0xc42026cb60, 0xc4214c0101, 0xc4203c7c60, 0x19c4640)
	/home/goutham/gocode/src/github.com/prometheus/prometheus/promql/functions.go:53 +0x7d
github.com/prometheus/prometheus/promql.funcRate(0xc421fbe030, 0xc42019a3d0, 0x1, 0x1, 0x0, 0x0)
	/home/goutham/gocode/src/github.com/prometheus/prometheus/promql/functions.go:135 +0x52
github.com/prometheus/prometheus/promql.(*evaluator).eval(0xc421fbe030, 0x26a3480, 0xc42136a0e0, 0xc42143c540, 0x0)
	/home/goutham/gocode/src/github.com/prometheus/prometheus/promql/engine.go:680 +0x17be
github.com/prometheus/prometheus/promql.(*evaluator).evalOneOf(0xc421fbe030, 0x26a3480, 0xc42136a0e0, 0x1b15163, 0x6, 0x1b15481, 0x6, 0x0, 0x0)
	/home/goutham/gocode/src/github.com/prometheus/prometheus/promql/engine.go:624 +0x5a
github.com/prometheus/prometheus/promql.(*evaluator).eval(0xc421fbe030, 0x26a3440, 0xc4211fe380, 0xc4214c7308, 0xc421fbe030)
	/home/goutham/gocode/src/github.com/prometheus/prometheus/promql/engine.go:651 +0x728
github.com/prometheus/prometheus/promql.(*evaluator).Eval(0xc421fbe030, 0x26a3440, 0xc4211fe380, 0x0, 0x0, 0x0, 0x0)
	/home/goutham/gocode/src/github.com/prometheus/prometheus/promql/engine.go:634 +0xd3
github.com/prometheus/prometheus/promql.(*Engine).execEvalStmt(0xc4204de720, 0x7f1352eb49b0, 0xc42143c5a0, 0xc4211fe400, 0xc42118e0a0, 0x0, 0x0, 0x0, 0x0)
	/home/goutham/gocode/src/github.com/prometheus/prometheus/promql/engine.go:391 +0x485
github.com/prometheus/prometheus/promql.(*Engine).exec(0xc4204de720, 0x7f1352eb49b0, 0xc42143c5a0, 0xc4211fe400, 0x0, 0x0, 0x0, 0x0)
	/home/goutham/gocode/src/github.com/prometheus/prometheus/promql/engine.go:325 +0x3a0
github.com/prometheus/prometheus/promql.(*query).Exec(0xc4211fe400, 0x7f1353003cc0, 0xc4211fe240, 0xed086f14e)
	/home/goutham/gocode/src/github.com/prometheus/prometheus/promql/engine.go:168 +0x52
github.com/prometheus/prometheus/web/api/v1.(*API).queryRange(0xc4202f3180, 0xc421386400, 0x0, 0x0, 0x0)
	/home/goutham/gocode/src/github.com/prometheus/prometheus/web/api/v1/api.go:254 +0x938
github.com/prometheus/prometheus/web/api/v1.(*API).(github.com/prometheus/prometheus/web/api/v1.queryRange)-fm(0xc421386400, 0xc42136a0c0, 0xc42008a018, 0x3)
	/home/goutham/gocode/src/github.com/prometheus/prometheus/web/api/v1/api.go:141 +0x34
github.com/prometheus/prometheus/web/api/v1.(*API).Register.func1.1(0x26a36c0, 0xc42136a0c0, 0xc421386400)
	/home/goutham/gocode/src/github.com/prometheus/prometheus/web/api/v1/api.go:125 +0x55
net/http.HandlerFunc.ServeHTTP(0xc42043c4e0, 0x26a36c0, 0xc42136a0c0, 0xc421386400)
	/usr/local/go/src/net/http/server.go:1942 +0x44
github.com/prometheus/prometheus/util/httputil.CompressionHandler.ServeHTTP(0x269d600, 0xc42043c4e0, 0x26a3bc0, 0xc42008a018, 0xc421386400)
	/home/goutham/gocode/src/github.com/prometheus/prometheus/util/httputil/compression.go:90 +0x7c
github.com/prometheus/prometheus/util/httputil.(*CompressionHandler).ServeHTTP(0xc42043c4f0, 0x26a3bc0, 0xc42008a018, 0xc421386400)
	<autogenerated>:5 +0x74
net/http.(Handler).ServeHTTP-fm(0x26a3bc0, 0xc42008a018, 0xc421386400)
	/home/goutham/gocode/src/github.com/prometheus/prometheus/vendor/github.com/prometheus/client_golang/prometheus/http.go:179 +0x4d
github.com/prometheus/prometheus/vendor/github.com/prometheus/client_golang/prometheus.InstrumentHandlerFuncWithOpts.func1(0x26a9ac0, 0xc4200fc2a0, 0xc421386400)
	/home/goutham/gocode/src/github.com/prometheus/prometheus/vendor/github.com/prometheus/client_golang/prometheus/http.go:287 +0x26a
github.com/prometheus/prometheus/vendor/github.com/prometheus/common/route.(*Router).handle.func1(0x26a9ac0, 0xc4200fc2a0, 0xc421386400, 0x0, 0x0, 0x0)
	/home/goutham/gocode/src/github.com/prometheus/prometheus/vendor/github.com/prometheus/common/route/route.go:84 +0x2a8
github.com/prometheus/prometheus/vendor/github.com/julienschmidt/httprouter.(*Router).ServeHTTP(0xc420557340, 0x26a9ac0, 0xc4200fc2a0, 0xc421386400)
	/home/goutham/gocode/src/github.com/prometheus/prometheus/vendor/github.com/julienschmidt/httprouter/router.go:299 +0x75d
github.com/prometheus/prometheus/vendor/github.com/prometheus/common/route.(*Router).ServeHTTP(0xc4204de760, 0x26a9ac0, 0xc4200fc2a0, 0xc421386400)
	/home/goutham/gocode/src/github.com/prometheus/prometheus/vendor/github.com/prometheus/common/route/route.go:126 +0x4c
net/http.serverHandler.ServeHTTP(0xc420aee000, 0x26a9ac0, 0xc4200fc2a0, 0xc421386400)
	/usr/local/go/src/net/http/server.go:2568 +0x92
net/http.(*conn).serve(0xc4212161e0, 0x26ab100, 0xc420bfee40)
	/usr/local/go/src/net/http/server.go:1825 +0x612
created by net/http.(*Server).Serve
	/usr/local/go/src/net/http/server.go:2668 +0x2ce
  source=engine.go:557
ERRO[1426] http: panic serving 127.0.0.1:60248: runtime error: slice bounds out of range
goroutine 17039 [running]:
net/http.(*conn).serve.func1(0xc42194df40)
	/usr/local/go/src/net/http/server.go:1721 +0xd0
panic(0x18d5be0, 0x27445c0)
	/usr/local/go/src/runtime/panic.go:489 +0x2cf
github.com/prometheus/prometheus/vendor/github.com/prometheus/tsdb.(*populatedChunkSeries).Next(0xc4203e4bd0, 0xc42121e101)
	/home/goutham/gocode/src/github.com/prometheus/prometheus/vendor/github.com/prometheus/tsdb/querier.go:406 +0x2e4
github.com/prometheus/prometheus/vendor/github.com/prometheus/tsdb.(*blockSeriesSet).Next(0xc421839e60, 0xc42121e1b0)
	/home/goutham/gocode/src/github.com/prometheus/prometheus/vendor/github.com/prometheus/tsdb/querier.go:437 +0x3a
github.com/prometheus/prometheus/storage/tsdb.seriesSet.Next(0x26a3f00, 0xc421839e60, 0x26a1e00)
	/home/goutham/gocode/src/github.com/prometheus/prometheus/storage/tsdb/tsdb.go:92 +0x31
github.com/prometheus/prometheus/storage/tsdb.(*seriesSet).Next(0xc420c32040, 0x26a1e00)
	<autogenerated>:11 +0x56
github.com/prometheus/prometheus/promql.expandSeriesSet(0x26a9d80, 0xc420c32040, 0x1, 0x1, 0x26a9d80, 0xc420c32040, 0x1657e35)
	/home/goutham/gocode/src/github.com/prometheus/prometheus/promql/engine.go:515 +0x51
github.com/prometheus/prometheus/promql.(*Engine).populateIterators.func2(0x7f1352f790e0, 0xc4203e4b60, 0x3bff6c43a35)
	/home/goutham/gocode/src/github.com/prometheus/prometheus/promql/engine.go:499 +0x4c0
github.com/prometheus/prometheus/promql.inspector.Visit(0xc4205cbce0, 0x7f1352f790e0, 0xc4203e4b60, 0x7f1352f790e0, 0x18b9040)
	/home/goutham/gocode/src/github.com/prometheus/prometheus/promql/ast.go:306 +0x3a
github.com/prometheus/prometheus/promql.Walk(0x269c140, 0xc4205cbce0, 0x7f1352f790e0, 0xc4203e4b60)
	/home/goutham/gocode/src/github.com/prometheus/prometheus/promql/ast.go:255 +0x58
github.com/prometheus/prometheus/promql.Walk(0x269c140, 0xc4205cbce0, 0x269c0c0, 0xc4205cbd00)
	/home/goutham/gocode/src/github.com/prometheus/prometheus/promql/ast.go:275 +0x1d1
github.com/prometheus/prometheus/promql.Walk(0x269c140, 0xc4205cbce0, 0x7f1352f79088, 0xc4205cbc40)
	/home/goutham/gocode/src/github.com/prometheus/prometheus/promql/ast.go:285 +0x6ab
github.com/prometheus/prometheus/promql.Walk(0x269c140, 0xc4205cbce0, 0x7f135301d488, 0xc42138ae00)
	/home/goutham/gocode/src/github.com/prometheus/prometheus/promql/ast.go:281 +0x90c
github.com/prometheus/prometheus/promql.Inspect(0x7f135301d488, 0xc42138ae00, 0xc4205cbce0)
	/home/goutham/gocode/src/github.com/prometheus/prometheus/promql/ast.go:316 +0x4b
github.com/prometheus/prometheus/promql.(*Engine).populateIterators(0xc4204de720, 0x7f1352eb49b0, 0xc421261980, 0xc420c6cd70, 0x1b15163, 0x19441e0, 0xc420d63348, 0x405f4b)
	/home/goutham/gocode/src/github.com/prometheus/prometheus/promql/engine.go:510 +0x2f5
github.com/prometheus/prometheus/promql.(*Engine).execEvalStmt(0xc4204de720, 0x7f1352eb49b0, 0xc421261980, 0xc42138ae40, 0xc420c6cd70, 0x0, 0x0, 0x0, 0x0)
	/home/goutham/gocode/src/github.com/prometheus/prometheus/promql/engine.go:345 +0x117
github.com/prometheus/prometheus/promql.(*Engine).exec(0xc4204de720, 0x7f1352eb49b0, 0xc421261980, 0xc42138ae40, 0x0, 0x0, 0x0, 0x0)
	/home/goutham/gocode/src/github.com/prometheus/prometheus/promql/engine.go:325 +0x3a0
github.com/prometheus/prometheus/promql.(*query).Exec(0xc42138ae40, 0x7f1353003cc0, 0xc42138ad00, 0xed086f20e)
	/home/goutham/gocode/src/github.com/prometheus/prometheus/promql/engine.go:168 +0x52
github.com/prometheus/prometheus/web/api/v1.(*API).queryRange(0xc4202f3180, 0xc421387d00, 0x0, 0x0, 0x0)
	/home/goutham/gocode/src/github.com/prometheus/prometheus/web/api/v1/api.go:254 +0x938
github.com/prometheus/prometheus/web/api/v1.(*API).(github.com/prometheus/prometheus/web/api/v1.queryRange)-fm(0xc421387d00, 0xc4205cbc20, 0xc421a30368, 0x3)
	/home/goutham/gocode/src/github.com/prometheus/prometheus/web/api/v1/api.go:141 +0x34
github.com/prometheus/prometheus/web/api/v1.(*API).Register.func1.1(0x26a36c0, 0xc4205cbc20, 0xc421387d00)
	/home/goutham/gocode/src/github.com/prometheus/prometheus/web/api/v1/api.go:125 +0x55
net/http.HandlerFunc.ServeHTTP(0xc42043c4e0, 0x26a36c0, 0xc4205cbc20, 0xc421387d00)
	/usr/local/go/src/net/http/server.go:1942 +0x44
github.com/prometheus/prometheus/util/httputil.CompressionHandler.ServeHTTP(0x269d600, 0xc42043c4e0, 0x26a3bc0, 0xc421a30368, 0xc421387d00)
	/home/goutham/gocode/src/github.com/prometheus/prometheus/util/httputil/compression.go:90 +0x7c
github.com/prometheus/prometheus/util/httputil.(*CompressionHandler).ServeHTTP(0xc42043c4f0, 0x26a3bc0, 0xc421a30368, 0xc421387d00)
	<autogenerated>:5 +0x74
net/http.(Handler).ServeHTTP-fm(0x26a3bc0, 0xc421a30368, 0xc421387d00)
	/home/goutham/gocode/src/github.com/prometheus/prometheus/vendor/github.com/prometheus/client_golang/prometheus/http.go:179 +0x4d
github.com/prometheus/prometheus/vendor/github.com/prometheus/client_golang/prometheus.InstrumentHandlerFuncWithOpts.func1(0x26a9ac0, 0xc421280460, 0xc421387d00)
	/home/goutham/gocode/src/github.com/prometheus/prometheus/vendor/github.com/prometheus/client_golang/prometheus/http.go:287 +0x26a
github.com/prometheus/prometheus/vendor/github.com/prometheus/common/route.(*Router).handle.func1(0x26a9ac0, 0xc421280460, 0xc421387d00, 0x0, 0x0, 0x0)
	/home/goutham/gocode/src/github.com/prometheus/prometheus/vendor/github.com/prometheus/common/route/route.go:84 +0x2a8
github.com/prometheus/prometheus/vendor/github.com/julienschmidt/httprouter.(*Router).ServeHTTP(0xc420557340, 0x26a9ac0, 0xc421280460, 0xc421387d00)
	/home/goutham/gocode/src/github.com/prometheus/prometheus/vendor/github.com/julienschmidt/httprouter/router.go:299 +0x75d
github.com/prometheus/prometheus/vendor/github.com/prometheus/common/route.(*Router).ServeHTTP(0xc4204de760, 0x26a9ac0, 0xc421280460, 0xc421387d00)
	/home/goutham/gocode/src/github.com/prometheus/prometheus/vendor/github.com/prometheus/common/route/route.go:126 +0x4c
net/http.serverHandler.ServeHTTP(0xc420aee000, 0x26a9ac0, 0xc421280460, 0xc421387d00)
	/usr/local/go/src/net/http/server.go:2568 +0x92
net/http.(*conn).serve(0xc42194df40, 0x26ab100, 0xc42138ac00)
	/usr/local/go/src/net/http/server.go:1825 +0x612
created by net/http.(*Server).Serve
	/usr/local/go/src/net/http/server.go:2668 +0x2ce
  source=<autogenerated>:38
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lock bot commented Mar 23, 2019

This thread has been automatically locked since there has not been any recent activity after it was closed. Please open a new issue for related bugs.

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