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x/tools/cmd/gopls: panic in (*goFile).GetAST #32478

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muirdm opened this issue Jun 7, 2019 · 2 comments
Closed

x/tools/cmd/gopls: panic in (*goFile).GetAST #32478

muirdm opened this issue Jun 7, 2019 · 2 comments
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FrozenDueToAge gopls Issues related to the Go language server, gopls.
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Unreleased

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@muirdm
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muirdm commented Jun 7, 2019

Just saw this on master (5aed782) as I was debugging a different gopls issue. I think my packages/files were in an unexpected state due to the "parse: no package found for ..." issue I was experiencing.

panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0x150c7c9]

goroutine 7 [running]:
golang.org/x/tools/internal/lsp/cache.(*goFile).GetAST(0xc01eaaff00, 0x1757be0, 0xc03bcde7e0, 0x0)
	/Users/muir/projects/tools/internal/lsp/cache/gofile.go:64 +0x119
golang.org/x/tools/internal/lsp/source.DocumentSymbols(0x1757be0, 0xc03bcde7e0, 0x175eee0, 0xc01eaaff00, 0xc0389685f0, 0x4e, 0x175eee0)
	/Users/muir/projects/tools/internal/lsp/source/symbols.go:45 +0x8d
golang.org/x/tools/internal/lsp.(*Server).documentSymbol(0xc0001723f0, 0x1757be0, 0xc03bcde7e0, 0xc03c43d4a0, 0xc03c43d4a0, 0x0, 0x0, 0x0, 0xc03af48460)
	/Users/muir/projects/tools/internal/lsp/symbols.go:22 +0x138
golang.org/x/tools/internal/lsp.(*Server).DocumentSymbol(0xc0001723f0, 0x1757be0, 0xc03bcde7e0, 0xc03c43d4a0, 0xc03c43d4a0, 0x0, 0x0, 0x0, 0x0)
	/Users/muir/projects/tools/internal/lsp/server.go:198 +0x4d
golang.org/x/tools/internal/lsp/protocol.serverHandler.func1(0x1757be0, 0xc03bcde7e0, 0xc000172460, 0xc03a230860)
	/Users/muir/projects/tools/internal/lsp/protocol/tsserver.go:335 +0x53bc
golang.org/x/tools/internal/jsonrpc2.(*Conn).Run.func1(0xc000093860, 0xc000172460)
	/Users/muir/projects/tools/internal/jsonrpc2/jsonrpc2.go:288 +0x189
created by golang.org/x/tools/internal/jsonrpc2.(*Conn).Run
	/Users/muir/projects/tools/internal/jsonrpc2/jsonrpc2.go:278 +0xba
@gopherbot gopherbot added this to the Unreleased milestone Jun 7, 2019
@gopherbot gopherbot added the gopls Issues related to the Go language server, gopls. label Jun 7, 2019
@stamblerre
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I think https://golang.org/cl/180857 should fix this.

@muirdm
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muirdm commented Jun 10, 2019

Closing. Will reopen if I see it again.

@muirdm muirdm closed this as completed Jun 10, 2019
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