Crash when call it concurrently

[daxiaoluo]

It was crashed, when I open 10 concurrent goruntines to call this function.
panic: (*otto._exception) (0x853ce0,0xc0005215a0)
panic: runtime error: invalid memory address or nil pointer dereference [recovered]
panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x30 pc=0x7e24a8]

goroutine 8 [running]:
github.com/robertkrimen/otto.catchPanic.func1(0xc00034d5f8)
/home/luotao/lib/gopath/src/github.com/robertkrimen/otto/error.go:248 +0x59e
panic(0x85bdc0, 0xc606e0)
/usr/lib/go-1.13/src/runtime/panic.go:679 +0x1b2
github.com/robertkrimen/otto.(_runtime).leaveScope(...)
/home/luotao/lib/gopath/src/github.com/robertkrimen/otto/runtime.go:86
github.com/robertkrimen/otto.(_runtime).cmpl_evaluate_nodeProgram.func1(0xc000001b00)
/home/luotao/lib/gopath/src/github.com/robertkrimen/otto/cmpl_evaluate.go:11 +0x28
panic(0x853ce0, 0xc0005215a0)
/usr/lib/go-1.13/src/runtime/panic.go:679 +0x1b2
github.com/robertkrimen/otto.(_propertyReference).getValue(0xc0004a3920, 0x872940, 0xc0004a3920, 0x9910a0)
/home/luotao/lib/gopath/src/github.com/robertkrimen/otto/type_reference.go:36 +0x244
github.com/robertkrimen/otto.Value.resolve(0x8, 0x872940, 0xc0004a3920, 0x8, 0x872940, 0xc0004a3920)
/home/luotao/lib/gopath/src/github.com/robertkrimen/otto/value.go:493 +0x8f
github.com/robertkrimen/otto.(_runtime).cmpl_evaluate_nodeDotExpression(0xc000001b00, 0xc000265a40, 0x9910a0, 0x872940, 0xc0004a38f0)
/home/luotao/lib/gopath/src/github.com/robertkrimen/otto/cmpl_evaluate_expression.go:258 +0x7f
github.com/robertkrimen/otto.(_runtime).cmpl_evaluate_nodeExpression(0xc000001b00, 0x987620, 0xc000265a40, 0x2, 0x835a00, 0xc8c160)
/home/luotao/lib/gopath/src/github.com/robertkrimen/otto/cmpl_evaluate_expression.go:50 +0x8ed
github.com/robertkrimen/otto.(_runtime).cmpl_evaluate_nodeBinaryExpression_comparison(0xc000001b00, 0xc000265a70, 0x7f05bb9fb278, 0x836680, 0xc000521580)
/home/luotao/lib/gopath/src/github.com/robertkrimen/otto/cmpl_evaluate_expression.go:164 +0xab
github.com/robertkrimen/otto.(_runtime).cmpl_evaluate_nodeExpression(0xc000001b00, 0x987520, 0xc000265a70, 0x3, 0x836680, 0xc000521580)
/home/luotao/lib/gopath/src/github.com/robertkrimen/otto/cmpl_evaluate_expression.go:35 +0xa65
github.com/robertkrimen/otto.(_runtime).cmpl_evaluate_nodeForStatement(0xc000001b00, 0xc000420370, 0xc000265950, 0x2, 0x835a00)
/home/luotao/lib/gopath/src/github.com/robertkrimen/otto/cmpl_evaluate_statement.go:256 +0x477
github.com/robertkrimen/otto.(_runtime).cmpl_evaluate_nodeStatement(0xc000001b00, 0x9876a0, 0xc000420370, 0x0, 0x0, 0x0)
/home/luotao/lib/gopath/src/github.com/robertkrimen/otto/cmpl_evaluate_statement.go:68 +0x11ba
github.com/robertkrimen/otto.(_runtime).cmpl_evaluate_nodeStatementList(0xc000001b00, 0xc0001340f0, 0xf, 0xf, 0x7, 0x0, 0x1)
/home/luotao/lib/gopath/src/github.com/robertkrimen/otto/cmpl_evaluate_statement.go:121 +0x8e
github.com/robertkrimen/otto.(_runtime).cmpl_evaluate_nodeStatement(0xc000001b00, 0x987540, 0xc0001fa280, 0x0, 0x0, 0x0)
/home/luotao/lib/gopath/src/github.com/robertkrimen/otto/cmpl_evaluate_statement.go:30 +0x587
github.com/robertkrimen/otto.(_runtime).cmpl_call_nodeFunction(0xc000001b00, 0xc0002a0120, 0xc0004a2330, 0xc0000e2600, 0x0, 0x0, 0x0, 0xc000514700, 0x1, 0x1, ...)
/home/luotao/lib/gopath/src/github.com/robertkrimen/otto/cmpl_evaluate.go:61 +0x48c
github.com/robertkrimen/otto.(_object).call(0xc0002a0120, 0x0, 0x0, 0x0, 0xc000514700, 0x1, 0x1, 0x0, 0x0, 0x0, ...)
/home/luotao/lib/gopath/src/github.com/robertkrimen/otto/type_function.go:226 +0xa8a
github.com/robertkrimen/otto.(_runtime).cmpl_evaluate_nodeCallExpression(0xc000001b00, 0xc000596330, 0x0, 0x0, 0x0, 0x836440, 0x1, 0xc000521080)
/home/luotao/lib/gopath/src/github.com/robertkrimen/otto/cmpl_evaluate_expression.go:244 +0x47a
github.com/robertkrimen/otto.(_runtime).cmpl_evaluate_nodeExpression(0xc000001b00, 0x9875a0, 0xc000596330, 0x836680, 0xc000521080, 0xc00034d2b8)
/home/luotao/lib/gopath/src/github.com/robertkrimen/otto/cmpl_evaluate_expression.go:44 +0x583
github.com/robertkrimen/otto.(_runtime).cmpl_evaluate_nodeStatement(0xc000001b00, 0x987660, 0xc0005208e0, 0x0, 0x0, 0x0)
/home/luotao/lib/gopath/src/github.com/robertkrimen/otto/cmpl_evaluate_statement.go:62 +0xf10
github.com/robertkrimen/otto.(_runtime).cmpl_evaluate_nodeStatementList(0xc000001b00, 0xc0003b2370, 0x5, 0x5, 0xc00034d5a8, 0x778e56, 0x836680)
/home/luotao/lib/gopath/src/github.com/robertkrimen/otto/cmpl_evaluate_statement.go:121 +0x8e
github.com/robertkrimen/otto.(_runtime).cmpl_evaluate_nodeProgram(0xc000001b00, 0xc00011c620, 0xc00011c600, 0x0, 0x0, 0x0)
/home/luotao/lib/gopath/src/github.com/robertkrimen/otto/cmpl_evaluate.go:17 +0x10b
github.com/robertkrimen/otto.(_runtime).cmpl_runOrEval.func1()
/home/luotao/lib/gopath/src/github.com/robertkrimen/otto/runtime.go:785 +0x44
github.com/robertkrimen/otto.catchPanic(0xc00034d660, 0x0, 0x0)
/home/luotao/lib/gopath/src/github.com/robertkrimen/otto/error.go:251 +0x5f
github.com/robertkrimen/otto.(_runtime).cmpl_runOrEval(0xc000001b00, 0x836680, 0x97d380, 0x0, 0x0, 0xc000001b00, 0x8d1ac1, 0xb, 0x3, 0x836680, ...)
/home/luotao/lib/gopath/src/github.com/robertkrimen/otto/runtime.go:784 +0x10f
github.com/robertkrimen/otto.(*_runtime).cmpl_run(...)
/home/luotao/lib/gopath/src/github.com/robertkrimen/otto/runtime.go:797
github.com/robertkrimen/otto.Otto.Run(0x0, 0xc000001b00, 0x836680, 0x97d380, 0x8c9100, 0xc00052a100, 0x0, 0x0, 0x0)
/home/luotao/lib/gopath/src/github.com/robertkrimen/otto/otto.go:295 +0x53
github.com/bregydoc/gtranslate.sM(0x3, 0x836680, 0xc000796240, 0xc0006d37d8, 0x1, 0x1, 0x0, 0x0, 0x836680, 0xc000796240, ...)
/home/luotao/lib/gopath/src/github.com/bregydoc/gtranslate/token.go:29 +0x19a
github.com/bregydoc/gtranslate.get(0x3, 0x836680, 0xc000796240, 0x3, 0x836680, 0xc000130a50, 0x0, 0x0)
/home/luotao/lib/gopath/src/github.com/bregydoc/gtranslate/token.go:136 +0xce
github.com/bregydoc/gtranslate.translate(0xc0001c40a0, 0x1c, 0x8cf2aa, 0x2, 0x8cfbbf, 0x5, 0x1000000000001, 0x2, 0x0, 0xc0001c40a0, ...)
/home/luotao/lib/gopath/src/github.com/bregydoc/gtranslate/apiv2.go:46 +0x11c
github.com/bregydoc/gtranslate.TranslateWithParams(0xc0001c40a0, 0x1c, 0x8cf2aa, 0x2, 0x8cfbbf, 0x5, 0x0, 0x0, 0xc0001c40a0, 0x1c, ...)
/home/luotao/lib/gopath/src/github.com/bregydoc/gtranslate/gtranslate.go:28 +0x8f
main.trans(0x8cf2aa, 0x2, 0xc000189aa0, 0x21, 0xc0002ba000, 0x2, 0x2, 0x14)

[yznts]

GTranslate issue, related to concurrency #5

[mind1949]

GTranslate issue, related to concurrency #5

you can try googletrans, it's concurrency-safe and has better performance .

[yznts]

Oops! That comment not for that thread. Missed that, sorry.
This package was used in another repo and this is just related issue.

Thank you very much for advice!