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chosun86의 이미지

리눅스에서 jdk 바꾸고 자바실행파일에서 에러가 납니다.

현재 리눅스서버에 jdk1.6이 설치되어있고
자바 실행파일이 잘 돌아가고있습니다.

Jdk1.7로 업그레이드를 해야합니다.
Jdk1.7.tar.gz 압축풀어서

ln -Tfs /usr/local/jdk1.7 /usr/local/java
로 기존 심볼릭링크를 1.7로 변경해 주었습니다.

이제 자바 실행파일이 다시 재구동 시켜줘야 해서 데몬을 죽인뒤
다시 데몬을 실행 하였습니다.

java.lang.ClassNotFoundException: oracle.jdbc.driver.OracleDriver 에러가 발생합니다.

/etc/profile을 열어 classpath 확인하였습니다.
JAVA_HOME=/usr/local/java
CLASSPATH=$JAVA_HOME/lib:.:서비스경로/classes:서비스경로/lib
잘 설정 되어있습니다.

해당 서비스경로/lib에 ojdbc14.jar 파일이 있는것도 확인 하였습니다.
그런데 왜 jdk1.7에서 에러가 발생할까요?

he_siu의 이미지

캡슐화에 대해서..궁금한점이 생겼습니다..

아직까지, 프로그래밍에 입문중입니다..

C++ 을 공부하기 시작하던중.. 캡슐화에 대해서 애매모호하게 저한테 받아들여집니다..

캡슐화가 멤버변수와 멤버함수를 하나로 묶는것이 맞나요??

그리고 캡슐화를 해야하는 이유가 있을까요? ㅠㅠ..

asbear의 이미지

아마존에서 개발자로 일하는것에 관해서

안녕하세요! 십몇년 눈팅만 하다가 처음 가입했습니다.
가입인사 겸 자유게시판에 뭐라도 적어보고싶은데 뭐가 좋을까 곰곰히 생각하다가, 혹시 아마존 개발문화에 대해 궁금해하시는분이 있으려나 해서 시작 해 봅니다. 저는 아마존에서는 2.5년 가량 근무중인 개발자입니다. 이것저것 궁금하신것 있으시면 문제가 되지 않는 한에서 답변 드릴게요.

감사합니다. ^^

sangjun11316의 이미지

MPI 사용 시 명령어들의 실행 순서

우선 질문 대상이 되는 코드는 아래와 같은 단순한 MPI 예제입니다.
process 0 이 process 1로부터 double들로 이루어진 배열을 받는 것인데요,

----------------------------------- script --------------------------------
1 program main

2 use MPI

3 integer count
4 real*8 data(0:99), value(200)
5 integer dest, i, ierr, num_procs, rank, status(MPI_STATUS_SIZE), tag

6 call MPI_INIT ( ierr )
7 call MPI_COMM_RANK ( MPI_COMM_WORLD, rank, ierr )
8 call MPI_COMM_SIZE ( MPI_COMM_WORLD, num_procs, ierr )

9 if ( rank .eq. 0 ) then

강동우@Google의 이미지

연결리스트 내림차순 정렬 질문입니다.

#include <stdio.h>
#include <string.h>
typedef struct student_info SINFO;
void insert_node(SINFO *student);
struct student_info
{
	char id[16];
	char name[20];
	int grade;
	struct student_info *next;
};
SINFO *listhead = NULL;
void get_studentinfo();
void print_list();
void delete_list();
void main()
{
	get_studentinfo();
	print_list();
}
void get_studentinfo()
{
	SINFO student;
	printf("학생 정보를 입력하세요.\n");
	printf("종료하려면 -1을 입력하세요.\n");
	while (1)
	{
		printf("학번: ");
익명 사용자의 이미지

설치된 리눅스를 어떻게 백업할까요

리눅스를 백업?
리눅스 전체를 이미지화

익명 사용자의 이미지

혹시 QML이용 하시는분 있나요?

혹시 QML이용하시는분 계신가요?
제 코드 한번만 수정 부탁드립니다. ㅜㅜ

ims의 이미지

안녕하세요

이전부터 여기 보고 공부하다 가입하였습니다
현재 CentOS7 로 서버 공부 중 입니다.

반갑습니다

glibgoodwin의 이미지

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