[ 
https://issues.apache.org/jira/browse/THRIFT-4237?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Jens Geyer reopened THRIFT-4237:
--------------------------------

It only hangs sometimes, but then with an interesting message:

{code}
Making check in test
make[3]: Entering directory `/thrift/src/lib/go/test'
mkdir -p gopath/src
grep -v list.*map.*list.*map ../../../test/ThriftTest.thrift | grep -v 
'set<Insanity>' > ThriftTest.thrift
../../../compiler/cpp/thrift -out gopath/src/ --gen go:thrift_import=thrift -r 
IncludesTest.thrift
[WARNING:/thrift/src/lib/go/test/ThriftTest.thrift:45] No generator named 
'noexist' could be found!
[WARNING:/thrift/src/lib/go/test/ThriftTest.thrift:47] cpp generator does not 
accept 'noexist' as sub-namespace!
[WARNING:/thrift/src/lib/go/test/ThriftTest.thrift:45] No generator named 
'noexist' could be found!
[WARNING:/thrift/src/lib/go/test/ThriftTest.thrift:47] cpp generator does not 
accept 'noexist' as sub-namespace!
../../../compiler/cpp/thrift -out gopath/src/ --gen go:thrift_import=thrift 
BinaryKeyTest.thrift
../../../compiler/cpp/thrift -out gopath/src/ --gen go:thrift_import=thrift 
MultiplexedProtocolTest.thrift
../../../compiler/cpp/thrift -out gopath/src/ --gen go:thrift_import=thrift 
OnewayTest.thrift
../../../compiler/cpp/thrift -out gopath/src/ --gen go:thrift_import=thrift 
OptionalFieldsTest.thrift
../../../compiler/cpp/thrift -out gopath/src/ --gen go:thrift_import=thrift 
ServicesTest.thrift
../../../compiler/cpp/thrift -out gopath/src/ --gen go:thrift_import=thrift 
GoTagTest.thrift
../../../compiler/cpp/thrift -out gopath/src/ --gen go:thrift_import=thrift 
TypedefFieldTest.thrift
../../../compiler/cpp/thrift -out gopath/src/ --gen go:thrift_import=thrift 
RefAnnotationFieldsTest.thrift
../../../compiler/cpp/thrift -out gopath/src/ --gen go:thrift_import=thrift 
UnionDefaultValueTest.thrift
../../../compiler/cpp/thrift -out gopath/src/ --gen go:thrift_import=thrift 
ErrorTest.thrift
../../../compiler/cpp/thrift -out gopath/src/ --gen go:thrift_import=thrift 
NamesTest.thrift
../../../compiler/cpp/thrift -out gopath/src/ --gen go:thrift_import=thrift 
InitialismsTest.thrift
../../../compiler/cpp/thrift -out gopath/src/ --gen 
go:thrift_import=thrift,read_write_private DontExportRWTest.thrift
../../../compiler/cpp/thrift -out gopath/src/ --gen 
go:thrift_import=thrift,ignore_initialisms IgnoreInitialismsTest.thrift
GOPATH=`pwd`/gopath /usr/local/go/bin/go get github.com/golang/mock/gomock
ln -nfs ../../../thrift gopath/src/thrift
ln -nfs ../../tests gopath/src/tests
cp -r ./dontexportrwtest gopath/src
touch gopath
GOPATH=`pwd`/gopath /usr/local/go/bin/go build \
                                includestest \
                                binarykeytest \
                                servicestest \
                                typedeffieldtest \
                                refannotationfieldstest \
                                errortest       \
                                namestest \
                                initialismstest \
                                dontexportrwtest \
                                ignoreinitialismstest
GOPATH=`pwd`/gopath /usr/local/go/bin/go test thrift tests dontexportrwtest
ok      thrift  0.027s


No output has been received in the last 10m0s, this potentially indicates a 
stalled build or something wrong with the build itself.
Check the details on how to adjust your build configuration on: 
https://docs.travis-ci.com/user/common-build-problems/#Build-times-out-because-no-output-was-received

The build has been terminated
{code}


> Go TServerSocket Race Conditions
> --------------------------------
>
>                 Key: THRIFT-4237
>                 URL: https://issues.apache.org/jira/browse/THRIFT-4237
>             Project: Thrift
>          Issue Type: Bug
>          Components: Go - Library
>    Affects Versions: 0.10.0
>            Reporter: Zach Wasserman
>            Assignee: Zach Wasserman
>              Labels: concurrency
>             Fix For: 0.11.0
>
>
> Run the following test with {{go test -race -run TestSocketConcurrency}}:
> {code}
> func TestSocketConcurrency(t *testing.T) {
>       host := "127.0.0.1"
>       port := 9090
>       addr := fmt.Sprintf("%s:%d", host, port)
>       socket := CreateServerSocket(t, addr)
>       go func() { socket.Listen() }()
>       go func() { socket.Interrupt() }()
> }
> {code}
> This will result in an error from the race detector. It looks like:
> {code}
> go test -v -race -run TestSocketConcurrency
> === RUN   TestSocketConcurrency
> --- PASS: TestSocketConcurrency (0.00s)
> ==================
> WARNING: DATA RACE
> Write at 0x00c420016870 by goroutine 7:
>   git.apache.org/thrift.git/lib/go/thrift.(*TServerSocket).Listen()
>       
> /Users/zwass/dev/go/src/git.apache.org/thrift.git/lib/go/thrift/server_socket.go:63
>  +0x134
>   git.apache.org/thrift.git/lib/go/thrift.TestSocketConcurrency.func1()
>       
> /Users/zwass/dev/go/src/git.apache.org/thrift.git/lib/go/thrift/server_socket_test.go:50
>  +0x38
> Previous read at 0x00c420016870 by goroutine 8:
>   git.apache.org/thrift.git/lib/go/thrift.(*TServerSocket).Close()
>       
> /Users/zwass/dev/go/src/git.apache.org/thrift.git/lib/go/thrift/server_socket.go:114
>  +0x7b
>   git.apache.org/thrift.git/lib/go/thrift.(*TServerSocket).Interrupt()
>       
> /Users/zwass/dev/go/src/git.apache.org/thrift.git/lib/go/thrift/server_socket.go:123
>  +0x6b
>   git.apache.org/thrift.git/lib/go/thrift.TestSocketConcurrency.func2()
>       
> /Users/zwass/dev/go/src/git.apache.org/thrift.git/lib/go/thrift/server_socket_test.go:51
>  +0x38
> Goroutine 7 (running) created at:
>   git.apache.org/thrift.git/lib/go/thrift.TestSocketConcurrency()
>       
> /Users/zwass/dev/go/src/git.apache.org/thrift.git/lib/go/thrift/server_socket_test.go:50
>  +0x1a8
>   testing.tRunner()
>       /usr/local/Cellar/go/1.8/libexec/src/testing/testing.go:657 +0x107
> Goroutine 8 (running) created at:
>   git.apache.org/thrift.git/lib/go/thrift.TestSocketConcurrency()
>       
> /Users/zwass/dev/go/src/git.apache.org/thrift.git/lib/go/thrift/server_socket_test.go:51
>  +0x1ca
>   testing.tRunner()
>       /usr/local/Cellar/go/1.8/libexec/src/testing/testing.go:657 +0x107
> ==================
> ==================
> WARNING: DATA RACE
> Write at 0x00c420016870 by goroutine 8:
>   git.apache.org/thrift.git/lib/go/thrift.(*TServerSocket).Close.func1()
>       
> /Users/zwass/dev/go/src/git.apache.org/thrift.git/lib/go/thrift/server_socket.go:112
>  +0x3b
>   git.apache.org/thrift.git/lib/go/thrift.(*TServerSocket).Close()
>       
> /Users/zwass/dev/go/src/git.apache.org/thrift.git/lib/go/thrift/server_socket.go:117
>  +0xe6
>   git.apache.org/thrift.git/lib/go/thrift.(*TServerSocket).Interrupt()
>       
> /Users/zwass/dev/go/src/git.apache.org/thrift.git/lib/go/thrift/server_socket.go:123
>  +0x6b
>   git.apache.org/thrift.git/lib/go/thrift.TestSocketConcurrency.func2()
>       
> /Users/zwass/dev/go/src/git.apache.org/thrift.git/lib/go/thrift/server_socket_test.go:51
>  +0x38
> Previous read at 0x00c420016870 by goroutine 7:
>   git.apache.org/thrift.git/lib/go/thrift.(*TServerSocket).Listen()
>       
> /Users/zwass/dev/go/src/git.apache.org/thrift.git/lib/go/thrift/server_socket.go:56
>  +0x48
>   git.apache.org/thrift.git/lib/go/thrift.TestSocketConcurrency.func1()
>       
> /Users/zwass/dev/go/src/git.apache.org/thrift.git/lib/go/thrift/server_socket_test.go:50
>  +0x38
> Goroutine 8 (running) created at:
>   git.apache.org/thrift.git/lib/go/thrift.TestSocketConcurrency()
>       
> /Users/zwass/dev/go/src/git.apache.org/thrift.git/lib/go/thrift/server_socket_test.go:51
>  +0x1ca
>   testing.tRunner()
>       /usr/local/Cellar/go/1.8/libexec/src/testing/testing.go:657 +0x107
> Goroutine 7 (finished) created at:
>   git.apache.org/thrift.git/lib/go/thrift.TestSocketConcurrency()
>       
> /Users/zwass/dev/go/src/git.apache.org/thrift.git/lib/go/thrift/server_socket_test.go:50
>  +0x1a8
>   testing.tRunner()
>       /usr/local/Cellar/go/1.8/libexec/src/testing/testing.go:657 +0x107
> ==================
> FAIL
> exit status 1
> FAIL  git.apache.org/thrift.git/lib/go/thrift 0.186s
> {code}
> I believe this is because {{Interrupt()}}
>  
> (https://github.com/apache/thrift/blob/master/lib/go/thrift/server_socket.go#L120)
>  and {{Listen()}} 
> (https://github.com/apache/thrift/blob/master/lib/go/thrift/server_socket.go#L55)
>  both read and write {{p.listener}}, but only {{Interrupt()}} locks the mutex.



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