1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
| ➜ goRedisDemo git:(master) ✗ go run main.go
test mySQL
panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x20 pc=0x10c1141]
goroutine 1 [running]:
sync.(*Mutex).Lock(...)
/usr/local/go/src/sync/mutex.go:74
database/sql.(*DB).conn(0x0, 0x130f9e0, 0xc000018080, 0x1036801, 0xc000000180, 0x300000002, 0xc000000180)
/usr/local/go/src/database/sql/sql.go:1132 +0x41
database/sql.(*DB).prepare(0x0, 0x130f9e0, 0xc000018080, 0x12c9f84, 0x69, 0x102da01, 0x203000, 0xc0000b3d78, 0xc0000b3d68)
/usr/local/go/src/database/sql/sql.go:1431 +0x58
database/sql.(*DB).PrepareContext(0x0, 0x130f9e0, 0xc000018080, 0x12c9f84, 0x69, 0x30, 0x30, 0x128eaa0)
/usr/local/go/src/database/sql/sql.go:1404 +0x99
database/sql.(*DB).Prepare(...)
/usr/local/go/src/database/sql/sql.go:1421
goRedisDemo/db.OnFileUploadFinished(0x12bbb58, 0x8, 0x12bbb60, 0x8, 0x0, 0x0, 0x0, 0x0)
/Users/samtake/Documents/GitHub/goRedisDemo/db/file.go:15 +0x77
goRedisDemo/handler.UploadHandlerDB()
/Users/samtake/Documents/GitHub/goRedisDemo/handler/testDB.go:10 +0x76
main.main()
/Users/samtake/Documents/GitHub/goRedisDemo/main.go:14 +0x7a
exit status 2
➜ goRedisDemo git:(master) ✗ go get database/sql
➜ goRedisDemo git:(master) ✗ go get github.com/go-sql-driver/mysql
➜ goRedisDemo git:(master) ✗ go run main.go
test mySQL
panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x20 pc=0x10c1141]
goroutine 1 [running]:
sync.(*Mutex).Lock(...)
/usr/local/go/src/sync/mutex.go:74
database/sql.(*DB).conn(0x0, 0x130f9e0, 0xc0000b0008, 0x1036801, 0xc000000180, 0x300000002, 0xc000000180)
/usr/local/go/src/database/sql/sql.go:1132 +0x41
database/sql.(*DB).prepare(0x0, 0x130f9e0, 0xc0000b0008, 0x12c9f84, 0x69, 0x102da01, 0x203000, 0xc0000dfd78, 0xc0000dfd68)
/usr/local/go/src/database/sql/sql.go:1431 +0x58
database/sql.(*DB).PrepareContext(0x0, 0x130f9e0, 0xc0000b0008, 0x12c9f84, 0x69, 0x30, 0x30, 0x128eaa0)
/usr/local/go/src/database/sql/sql.go:1404 +0x99
database/sql.(*DB).Prepare(...)
/usr/local/go/src/database/sql/sql.go:1421
goRedisDemo/db.OnFileUploadFinished(0x12bbb58, 0x8, 0x12bbb60, 0x8, 0x0, 0x0, 0x0, 0x0)
/Users/samtake/Documents/GitHub/goRedisDemo/db/file.go:22 +0x77
goRedisDemo/handler.UploadHandlerDB()
/Users/samtake/Documents/GitHub/goRedisDemo/handler/testDB.go:10 +0x76
main.main()
/Users/samtake/Documents/GitHub/goRedisDemo/main.go:14 +0x7a
exit status 2
|