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【DM版本】:dm8
【操作系统】：centos7.5
在windows上正常，在linux上报错
panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0x92ac5e]

goroutine 1 [running]:
dm.(*Properties).GetTrimString(0x0, 0xa0f831, 0xc, 0x0, 0x0, 0x0, 0x0)
/home/oracle/go/src/dm/zv.go:80 +0x3e
dm.(*DmConnector).mergeConfigs(0xc0001d4000, 0xa237a0, 0x50, 0xfa1bb8, 0x0)
/home/oracle/go/src/dm/n.go:766 +0x885
dm.(*DmDriver).openConnector(0xc0000a2e80, 0xa237a0, 0x50, 0x9d2c60, 0xc0000d2101, 0x7fd33100f0d8)
/home/oracle/go/src/dm/p.go:78 +0xaf
dm.(*DmDriver).OpenConnector(0xc0000a2e80, 0xa237a0, 0x50, 0x7fd33100f0d8, 0xc0000a2e80, 0x582701, 0x120)
/home/oracle/go/src/dm/p.go:62 +0x3f
database/sql.Open(0xa0a281, 0x2, 0xa237a0, 0x50, 0x2, 0xc0000d21a8, 0x5b3b00)
/opt/go/src/database/sql/sql.go:771 +0x112
main.connect(0xa0a281, 0x2, 0xa237a0, 0x50, 0xec13c0, 0xc000000180, 0xc00008df78)
/home/oracle/test.go:57 +0x56
main.main()
/home/oracle/test.go:17 +0x4f
exit status 2

代码如下：

package main

// 引入相关包
import (
	"database/sql"
	_ "dm"
	"fmt"
)

var db *sql.DB
var err error

func main() {
	driverName := "dm"
	//dataSourceName := "dm://SYSDBA:SYSDBA@localhost:5236"
	dataSourceName := "dm://base:BASEbase123.@10.10.101.112:5236?compatibleMode=oracle&stmtPoolSize=300"
	if db, err = connect(driverName, dataSourceName); err != nil {
		fmt.Println(err)
		return
	}

	if err = queryTable(); err != nil {
		fmt.Println(err)
		return
	}

	if err = disconnect(); err != nil {
		fmt.Println(err)
		return
	}
}

/* 查询产品信息表 */
func queryTable() error {
	var n int
	var sql = "SELECT 1+1	"
	rows, err := db.Query(sql)
	if err != nil {
		return err
	}
	defer rows.Close()
	fmt.Println("queryTable results:")
	for rows.Next() {
		if err = rows.Scan(&n); err != nil {
			return err
		}

		fmt.Printf("n= %d\n", n)
	}
	return nil
}

/* 创建数据库连接 */
func connect(driverName string, dataSourceName string) (*sql.DB, error) {
	var db *sql.DB
	var err error
	if db, err = sql.Open(driverName, dataSourceName); err != nil {
		return nil, err
	}
	if err = db.Ping(); err != nil {
		return nil, err
	}
	fmt.Printf("connect to \"%s\" succeed.\n", dataSourceName)
	return db, nil
}

func disconnect() error {
	if err := db.Close(); err != nil {
		fmt.Printf("db close failed: %s.\n", err)
		return err
	}
	fmt.Println("disconnect succeed")
	return nil
}