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gopls panic: runtime error: invalid memory address or nil pointer dereference #32120

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nohupped opened this issue May 17, 2019 · 1 comment
Closed

gopls panic: runtime error: invalid memory address or nil pointer dereference #32120

nohupped opened this issue May 17, 2019 · 1 comment
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FrozenDueToAge gopls Issues related to the Go language server, gopls.

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@nohupped
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nohupped commented May 17, 2019 •
edited

What version of Go are you using (go version)?

$ go version
go version go1.12.4 linux/amd64

Does this issue reproduce with the latest release?

yes (go1.12.4 is the latest version available at the moment via pacman. I haven't tried go1.12.5 from source.)

What operating system and processor architecture are you using (go env)?

go env Output
$ go env


GOARCH="amd64"
GOBIN="/home/nohup/Golang/bin"
GOCACHE="/home/nohup/.cache/go-build"
GOEXE=""
GOFLAGS=""
GOHOSTARCH="amd64"
GOHOSTOS="linux"
GOOS="linux"
GOPATH="/home/nohup/Golang"
GOPROXY=""
GORACE=""
GOROOT="/usr/lib/go"
GOTMPDIR=""
GOTOOLDIR="/usr/lib/go/pkg/tool/linux_amd64"
GCCGO="gccgo"
CC="gcc"
CXX="g++"
CGO_ENABLED="1"
GOMOD=""
CGO_CFLAGS="-g -O2"
CGO_CPPFLAGS=""
CGO_CXXFLAGS="-g -O2"
CGO_FFLAGS="-g -O2"
CGO_LDFLAGS="-g -O2"
PKG_CONFIG="pkg-config"
GOGCCFLAGS="-fPIC -m64 -pthread -fmessage-length=0 -fdebug-prefix-map=/tmp/go-build809534477=/tmp/go-build -gno-record-gcc-switches"

What did you do?

A newly installed go with pacman and opened an existing go project in vscode insider edition 1.34.0-insider. and 1.35.0-insider. Since it was the first time, the editor prompted to install all dependencies and reload the window, and once reloaded and a go file was opened, an error popped up saying gopls crashed, and the output showed the following.

no module information, gopls not built in module mode


#### Go info

go version go1.12.4 linux/amd64

GOARCH="amd64"
GOBIN="/home/nohup/Golang/bin"
GOCACHE="/home/nohup/.cache/go-build"
GOEXE=""
GOFLAGS=""
GOHOSTARCH="amd64"
GOHOSTOS="linux"
GOOS="linux"
GOPATH="/home/nohup/Golang"
GOPROXY=""
GORACE=""
GOROOT="/usr/lib/go"
GOTMPDIR=""
GOTOOLDIR="/usr/lib/go/pkg/tool/linux_amd64"
GCCGO="gccgo"
CC="gcc"
CXX="g++"
CGO_ENABLED="1"
GOMOD=""
CGO_CFLAGS="-g -O2"
CGO_CPPFLAGS=""
CGO_CXXFLAGS="-g -O2"
CGO_FFLAGS="-g -O2"
CGO_LDFLAGS="-g -O2"
PKG_CONFIG="pkg-config"
GOGCCFLAGS="-fPIC -m64 -pthread -fmessage-length=0 -fdebug-prefix-map=/tmp/go-build014219794=/tmp/go-build -gno-record-gcc-switches"

panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x40 pc=0x7260d4]

goroutine 5 [running]:
golang.org/x/tools/internal/lsp/source.qualifier(0x0, 0x0, 0x0, 0x8fa280)
	/home/nohup/Golang/src/golang.org/x/tools/internal/lsp/source/completion_format.go:173 +0x34
golang.org/x/tools/internal/lsp/source.DocumentSymbols(0x8f5420, 0xc000070fc0, 0x8f93a0, 0xc000237170, 0xc0001893e0, 0x2d, 0x8f93a0)
	/home/nohup/Golang/src/golang.org/x/tools/internal/lsp/source/symbols.go:48 +0x151
golang.org/x/tools/internal/lsp.(*Server).documentSymbol(0xc00014a4d0, 0x8f5420, 0xc000070fc0, 0xc00017fbf0, 0xc00017fbf0, 0x0, 0x0, 0x0, 0xc000168320)
	/home/nohup/Golang/src/golang.org/x/tools/internal/lsp/symbols.go:22 +0x138
golang.org/x/tools/internal/lsp.(*Server).DocumentSymbol(0xc00014a4d0, 0x8f5420, 0xc000070fc0, 0xc00017fbf0, 0xc00017fbf0, 0x0, 0x0, 0x0, 0x0)
	/home/nohup/Golang/src/golang.org/x/tools/internal/lsp/server.go:198 +0x4d
golang.org/x/tools/internal/lsp/protocol.serverHandler.func1(0x8f5420, 0xc000070fc0, 0xc00014a540, 0xc00000ef80)
	/home/nohup/Golang/src/golang.org/x/tools/internal/lsp/protocol/tsserver.go:346 +0x4adb
golang.org/x/tools/internal/jsonrpc2.(*Conn).Run.func1(0xc000026ba0, 0xc00014a540)
	/home/nohup/Golang/src/golang.org/x/tools/internal/jsonrpc2/jsonrpc2.go:276 +0xda
created by golang.org/x/tools/internal/jsonrpc2.(*Conn).Run
	/home/nohup/Golang/src/golang.org/x/tools/internal/jsonrpc2/jsonrpc2.go:270 +0xba
[Error - 3:27:07 AM] Connection to server got closed. Server will not be restarted.
[Error - 3:27:07 AM] Request textDocument/documentSymbol failed.
Error: Connection got disposed.
    at Object.dispose (/home/nohup/.vscode-insiders/extensions/ms-vscode.go-0.10.2/node_modules/vscode-jsonrpc/lib/main.js:876:25)
    at Object.dispose (/home/nohup/.vscode-insiders/extensions/ms-vscode.go-0.10.2/node_modules/vscode-languageclient/lib/client.js:57:35)
    at LanguageClient.handleConnectionClosed (/home/nohup/.vscode-insiders/extensions/ms-vscode.go-0.10.2/node_modules/vscode-languageclient/lib/client.js:2036:42)
    at LanguageClient.handleConnectionClosed (/home/nohup/.vscode-insiders/extensions/ms-vscode.go-0.10.2/node_modules/vscode-languageclient/lib/main.js:127:15)
    at closeHandler (/home/nohup/.vscode-insiders/extensions/ms-vscode.go-0.10.2/node_modules/vscode-languageclient/lib/client.js:2023:18)
    at CallbackList.invoke (/home/nohup/.vscode-insiders/extensions/ms-vscode.go-0.10.2/node_modules/vscode-jsonrpc/lib/events.js:62:39)
    at Emitter.fire (/home/nohup/.vscode-insiders/extensions/ms-vscode.go-0.10.2/node_modules/vscode-jsonrpc/lib/events.js:120:36)
    at closeHandler (/home/nohup/.vscode-insiders/extensions/ms-vscode.go-0.10.2/node_modules/vscode-jsonrpc/lib/main.js:226:26)
    at CallbackList.invoke (/home/nohup/.vscode-insiders/extensions/ms-vscode.go-0.10.2/node_modules/vscode-jsonrpc/lib/events.js:62:39)
    at Emitter.fire (/home/nohup/.vscode-insiders/extensions/ms-vscode.go-0.10.2/node_modules/vscode-jsonrpc/lib/events.js:120:36)
    at StreamMessageReader.fireClose (/home/nohup/.vscode-insiders/extensions/ms-vscode.go-0.10.2/node_modules/vscode-jsonrpc/lib/messageReader.js:111:27)
    at Socket.listen.readable.on (/home/nohup/.vscode-insiders/extensions/ms-vscode.go-0.10.2/node_modules/vscode-jsonrpc/lib/messageReader.js:151:46)
    at Socket.emit (events.js:187:15)
    at Pipe.Socket._destroy._handle.close [as _onclose] (net.js:596:12)
[Error - 3:27:07 AM] Request textDocument/codeAction failed.
Error: Connection got disposed.
    at Object.dispose (/home/nohup/.vscode-insiders/extensions/ms-vscode.go-0.10.2/node_modules/vscode-jsonrpc/lib/main.js:876:25)
    at Object.dispose (/home/nohup/.vscode-insiders/extensions/ms-vscode.go-0.10.2/node_modules/vscode-languageclient/lib/client.js:57:35)
    at LanguageClient.handleConnectionClosed (/home/nohup/.vscode-insiders/extensions/ms-vscode.go-0.10.2/node_modules/vscode-languageclient/lib/client.js:2036:42)
    at LanguageClient.handleConnectionClosed (/home/nohup/.vscode-insiders/extensions/ms-vscode.go-0.10.2/node_modules/vscode-languageclient/lib/main.js:127:15)
    at closeHandler (/home/nohup/.vscode-insiders/extensions/ms-vscode.go-0.10.2/node_modules/vscode-languageclient/lib/client.js:2023:18)
    at CallbackList.invoke (/home/nohup/.vscode-insiders/extensions/ms-vscode.go-0.10.2/node_modules/vscode-jsonrpc/lib/events.js:62:39)
    at Emitter.fire (/home/nohup/.vscode-insiders/extensions/ms-vscode.go-0.10.2/node_modules/vscode-jsonrpc/lib/events.js:120:36)
    at closeHandler (/home/nohup/.vscode-insiders/extensions/ms-vscode.go-0.10.2/node_modules/vscode-jsonrpc/lib/main.js:226:26)
    at CallbackList.invoke (/home/nohup/.vscode-insiders/extensions/ms-vscode.go-0.10.2/node_modules/vscode-jsonrpc/lib/events.js:62:39)
    at Emitter.fire (/home/nohup/.vscode-insiders/extensions/ms-vscode.go-0.10.2/node_modules/vscode-jsonrpc/lib/events.js:120:36)
    at StreamMessageReader.fireClose (/home/nohup/.vscode-insiders/extensions/ms-vscode.go-0.10.2/node_modules/vscode-jsonrpc/lib/messageReader.js:111:27)
    at Socket.listen.readable.on (/home/nohup/.vscode-insiders/extensions/ms-vscode.go-0.10.2/node_modules/vscode-jsonrpc/lib/messageReader.js:151:46)
    at Socket.emit (events.js:187:15)
    at Pipe.Socket._destroy._handle.close [as _onclose] (net.js:596:12)
[Error - 3:27:07 AM] Request textDocument/documentLink failed.
Error: Connection got disposed.
    at Object.dispose (/home/nohup/.vscode-insiders/extensions/ms-vscode.go-0.10.2/node_modules/vscode-jsonrpc/lib/main.js:876:25)
    at Object.dispose (/home/nohup/.vscode-insiders/extensions/ms-vscode.go-0.10.2/node_modules/vscode-languageclient/lib/client.js:57:35)
    at LanguageClient.handleConnectionClosed (/home/nohup/.vscode-insiders/extensions/ms-vscode.go-0.10.2/node_modules/vscode-languageclient/lib/client.js:2036:42)
    at LanguageClient.handleConnectionClosed (/home/nohup/.vscode-insiders/extensions/ms-vscode.go-0.10.2/node_modules/vscode-languageclient/lib/main.js:127:15)
    at closeHandler (/home/nohup/.vscode-insiders/extensions/ms-vscode.go-0.10.2/node_modules/vscode-languageclient/lib/client.js:2023:18)
    at CallbackList.invoke (/home/nohup/.vscode-insiders/extensions/ms-vscode.go-0.10.2/node_modules/vscode-jsonrpc/lib/events.js:62:39)
    at Emitter.fire (/home/nohup/.vscode-insiders/extensions/ms-vscode.go-0.10.2/node_modules/vscode-jsonrpc/lib/events.js:120:36)
    at closeHandler (/home/nohup/.vscode-insiders/extensions/ms-vscode.go-0.10.2/node_modules/vscode-jsonrpc/lib/main.js:226:26)
    at CallbackList.invoke (/home/nohup/.vscode-insiders/extensions/ms-vscode.go-0.10.2/node_modules/vscode-jsonrpc/lib/events.js:62:39)
    at Emitter.fire (/home/nohup/.vscode-insiders/extensions/ms-vscode.go-0.10.2/node_modules/vscode-jsonrpc/lib/events.js:120:36)
    at StreamMessageReader.fireClose (/home/nohup/.vscode-insiders/extensions/ms-vscode.go-0.10.2/node_modules/vscode-jsonrpc/lib/messageReader.js:111:27)
    at Socket.listen.readable.on (/home/nohup/.vscode-insiders/extensions/ms-vscode.go-0.10.2/node_modules/vscode-jsonrpc/lib/messageReader.js:151:46)
    at Socket.emit (events.js:187:15)
    at Pipe.Socket._destroy._handle.close [as _onclose] (net.js:596:12)

What did you expect to see?

Information on hover and go-to-definition to work

What did you see instead?

hover over a function doesn't show information, and go-to-definition is broken.

Apologies if this issue doesn't belong here, and should go to the vscode's go plugin issues.

Thank you.
@gopherbot gopherbot added the gopls Issues related to the Go language server, gopls. label May 17, 2019
@gopherbot
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Change https://golang.org/cl/178158 mentions this issue: internal/lsp: add nil checks for ASTs

This was referenced Jun 3, 2019
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