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https://issues.apache.org/jira/browse/TINKERPOP-2905?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17700329#comment-17700329
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ASF GitHub Bot commented on TINKERPOP-2905:
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vkagamlyk commented on PR #1990:
URL: https://github.com/apache/tinkerpop/pull/1990#issuecomment-1468605225
@disq thank you for fixing this!
VOTE +1
> gremlin-go gorillaTransporter.logHandler is not initialized correctly and
> leads to panic
> ----------------------------------------------------------------------------------------
>
> Key: TINKERPOP-2905
> URL: https://issues.apache.org/jira/browse/TINKERPOP-2905
> Project: TinkerPop
> Issue Type: Bug
> Components: go
> Affects Versions: 3.5.0
> Reporter: Kemal Hadimli
> Priority: Major
> Labels: go
>
> Whenever the gorillaTransporter needs to write a log message we get a nil
> dereference error:
> {code:java}
> panic: runtime error: invalid memory address or nil pointer dereference
> [signal SIGSEGV: segmentation violation code=0x1 addr=0x0
> pc=0x710432]goroutine 22 [running]:
> github.com/nicksnyder/go-i18n/v2/i18n.(*Localizer).getMessageTemplate(0x0,
> {0xc4a40c, 0x17}, 0x0)
> /Users/disq/go/pkg/mod/github.com/nicksnyder/go-i18n/[email protected]/i18n/localizer.go:182
> +0x32
> github.com/nicksnyder/go-i18n/v2/i18n.(*Localizer).LocalizeWithTag(0xb?,
> 0xc000092e68)
> /Users/disq/go/pkg/mod/github.com/nicksnyder/go-i18n/[email protected]/i18n/localizer.go:158
> +0x29b github.com/nicksnyder/go-i18n/v2/i18n.(*Localizer).Localize(...)
>
> /Users/disq/go/pkg/mod/github.com/nicksnyder/go-i18n/[email protected]/i18n/localizer.go:113
>
> github.com/apache/tinkerpop/gremlin-go/v3/driver.(*logHandler).logf(0xc000241d68,
> 0x4, {0xc4a40c?, 0x0?}, {0xc003d3b520, 0x2, 0x2})
> /Users/disq/Downloads/tinkerpop/gremlin-go/driver/logger.go:93 +0x8d
> github.com/apache/tinkerpop/gremlin-go/v3/driver.(*gorillaTransporter).writeLoop(0xc000241d40)
>
> /Users/disq/Downloads/tinkerpop/gremlin-go/driver/gorillaTransporter.go:189
> +0x508 created by
> github.com/apache/tinkerpop/gremlin-go/v3/driver.(*gorillaTransporter).Connect
>
> /Users/disq/Downloads/tinkerpop/gremlin-go/driver/gorillaTransporter.go:90
> +0x332
> {code}
> Since {{logHandler}} is not initialized with the constructor (zero value is
> used instead) {{logVerbosity}} is not passed on and {{localizer}} is also
> {{{}nil{}}}. This leads to a nil dereference error when the localizer is used
> in the logger. Turning logging off (setting {{logVerbosity}} to {{{}Off{}}})
> also doesn't work because the verbosity value is also affected and not passed
> on.
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