質問編集履歴
6
タイトルの変更
test
CHANGED
|
@@ -1 +1 @@
|
|
|
1
|
-
セッションスコープの
|
|
1
|
+
セッションスコープに値を保存しているはずなのに、NullPointerエラーが出てしまう。
|
test
CHANGED
|
File without changes
|
5
ｓ
test
CHANGED
|
File without changes
|
test
CHANGED
|
@@ -18,6 +18,10 @@
|
|
|
18
18
|
|
|
19
19
|
|
|
20
20
|
|
|
21
|
+
お願いします、助けてください。
|
|
22
|
+
|
|
23
|
+
|
|
24
|
+
|
|
21
25
|
### 発生している問題・エラーメッセージ
|
|
22
26
|
|
|
23
27
|
```
|
4
ｄ
test
CHANGED
|
File without changes
|
test
CHANGED
|
@@ -14,6 +14,10 @@
|
|
|
14
14
|
|
|
15
15
|
|
|
16
16
|
|
|
17
|
+
謎が多いです。やれることはやったのですが、解決できません。
|
|
18
|
+
|
|
19
|
+
|
|
20
|
+
|
|
17
21
|
### 発生している問題・エラーメッセージ
|
|
18
22
|
|
|
19
23
|
```
|
3
詳細を付け加えました
test
CHANGED
|
File without changes
|
test
CHANGED
|
@@ -678,6 +678,10 @@
|
|
|
678
678
|
|
|
679
679
|
|
|
680
680
|
|
|
681
|
+
session.setAttribute("userbeanses", ub)で値を設定後、別のサーブレットでUserBean ub = (UserBean) session.getAttribute("userbeanses");するとnullになってしまう理由が理解できません....(get/setしているはずなのに)
|
|
682
|
+
|
|
683
|
+
|
|
684
|
+
|
|
681
685
|
多数の長いソースコードを張り付けて申し訳ありませんがご協力本当によろしくお願いいたします。
|
|
682
686
|
|
|
683
687
|
|
2
マークダウンに変更
test
CHANGED
|
File without changes
|
test
CHANGED
|
@@ -16,6 +16,12 @@
|
|
|
16
16
|
|
|
17
17
|
### 発生している問題・エラーメッセージ
|
|
18
18
|
|
|
19
|
+
```
|
|
20
|
+
|
|
21
|
+
HTTPステータス 500 -
|
|
22
|
+
|
|
23
|
+
|
|
24
|
+
|
|
19
25
|
|
|
20
26
|
|
|
21
27
|
type 例外レポート
|
|
@@ -34,9 +40,7 @@
|
|
|
34
40
|
|
|
35
41
|
java.lang.NullPointerException
|
|
36
42
|
|
|
37
|
-
MainPage.User_MainPageServlet.doGet(User_MainPageServlet.java:45)
|
|
38
|
-
|
|
39
|
-
MainPage.User_MainPageServlet.doPost(User_MainPageServlet.java:
|
|
43
|
+
MainPage.User_MainPageServlet.doPost(User_MainPageServlet.java:36)
|
|
40
44
|
|
|
41
45
|
javax.servlet.http.HttpServlet.service(HttpServlet.java:648)
|
|
42
46
|
|
|
@@ -52,11 +56,15 @@
|
|
|
52
56
|
|
|
53
57
|
|
|
54
58
|
|
|
59
|
+
|
|
60
|
+
|
|
55
|
-
|
|
61
|
+
Apache Tomcat/8.0.36
|
|
62
|
+
|
|
56
|
-
|
|
63
|
+
```
|
|
57
|
-
|
|
58
|
-
|
|
64
|
+
|
|
59
|
-
|
|
65
|
+
###1.UserBean.java
|
|
66
|
+
|
|
67
|
+
```
|
|
60
68
|
|
|
61
69
|
package User;
|
|
62
70
|
|
|
@@ -220,11 +228,11 @@
|
|
|
220
228
|
|
|
221
229
|
}
|
|
222
230
|
|
|
223
|
-
|
|
231
|
+
```
|
|
224
|
-
|
|
225
|
-
|
|
226
|
-
|
|
232
|
+
|
|
227
|
-
|
|
233
|
+
###2.User_RegisterServlet.java(サーブレットクラス)
|
|
234
|
+
|
|
235
|
+
```
|
|
228
236
|
|
|
229
237
|
package MainPage;
|
|
230
238
|
|
|
@@ -268,7 +276,7 @@
|
|
|
268
276
|
|
|
269
277
|
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
|
|
270
278
|
|
|
271
|
-
|
|
279
|
+
/*文字コードエンコーディング*/
|
|
272
280
|
|
|
273
281
|
request.setCharacterEncoding("UTF-8");
|
|
274
282
|
|
|
@@ -280,143 +288,153 @@
|
|
|
280
288
|
|
|
281
289
|
|
|
282
290
|
|
|
283
|
-
|
|
284
|
-
|
|
285
|
-
|
|
286
|
-
|
|
287
|
-
|
|
288
|
-
|
|
289
|
-
|
|
290
|
-
|
|
291
|
-
|
|
292
|
-
|
|
293
|
-
|
|
294
|
-
|
|
295
|
-
|
|
296
|
-
|
|
297
|
-
|
|
298
|
-
|
|
299
|
-
|
|
300
|
-
|
|
301
|
-
|
|
302
|
-
|
|
303
|
-
|
|
304
|
-
|
|
305
|
-
|
|
306
|
-
|
|
307
|
-
|
|
308
|
-
|
|
309
|
-
|
|
310
|
-
|
|
311
|
-
|
|
312
|
-
|
|
313
|
-
|
|
314
|
-
|
|
315
|
-
|
|
316
|
-
|
|
317
|
-
|
|
318
|
-
|
|
319
|
-
|
|
320
|
-
|
|
321
|
-
|
|
322
|
-
|
|
323
|
-
|
|
324
|
-
|
|
325
|
-
|
|
326
|
-
|
|
327
|
-
|
|
328
|
-
|
|
329
|
-
|
|
330
|
-
|
|
331
|
-
|
|
332
|
-
|
|
333
|
-
|
|
334
|
-
|
|
335
|
-
|
|
336
|
-
|
|
337
|
-
|
|
338
|
-
|
|
339
|
-
|
|
340
|
-
|
|
341
|
-
|
|
342
|
-
|
|
343
|
-
|
|
344
|
-
|
|
345
|
-
|
|
346
|
-
|
|
347
|
-
|
|
348
|
-
|
|
349
|
-
|
|
350
|
-
|
|
351
|
-
|
|
352
|
-
|
|
353
|
-
|
|
354
|
-
|
|
355
|
-
|
|
356
|
-
|
|
357
|
-
|
|
358
|
-
|
|
359
|
-
|
|
360
|
-
|
|
361
|
-
|
|
362
|
-
|
|
363
|
-
|
|
364
|
-
|
|
365
|
-
|
|
366
|
-
|
|
367
|
-
|
|
368
|
-
|
|
369
|
-
|
|
370
|
-
|
|
371
|
-
|
|
372
|
-
|
|
373
|
-
|
|
374
|
-
|
|
375
|
-
|
|
376
|
-
|
|
377
|
-
|
|
378
|
-
|
|
379
|
-
|
|
380
|
-
|
|
381
|
-
|
|
382
|
-
|
|
383
|
-
|
|
384
|
-
|
|
385
|
-
|
|
386
|
-
|
|
387
|
-
|
|
388
|
-
|
|
389
|
-
|
|
390
|
-
|
|
391
|
-
|
|
392
|
-
|
|
393
|
-
|
|
394
|
-
|
|
395
|
-
|
|
396
|
-
|
|
397
|
-
|
|
398
|
-
|
|
399
|
-
|
|
400
|
-
|
|
401
|
-
url = "/WEB-INF/Login_Register/register_e
|
|
402
|
-
|
|
403
|
-
|
|
404
|
-
|
|
405
|
-
//
|
|
406
|
-
|
|
407
|
-
|
|
408
|
-
|
|
409
|
-
|
|
410
|
-
|
|
411
|
-
|
|
412
|
-
|
|
413
|
-
|
|
291
|
+
/*遷移先*/
|
|
292
|
+
|
|
293
|
+
String url = null;
|
|
294
|
+
|
|
295
|
+
|
|
296
|
+
|
|
297
|
+
/*User情報取得*/
|
|
298
|
+
|
|
299
|
+
UserBean ub = new User.UserBean();
|
|
300
|
+
|
|
301
|
+
|
|
302
|
+
|
|
303
|
+
/*パラメータの取得*/
|
|
304
|
+
|
|
305
|
+
String name= request.getParameter("name");
|
|
306
|
+
|
|
307
|
+
String sex = request.getParameter("sex");
|
|
308
|
+
|
|
309
|
+
String age = request.getParameter("age");
|
|
310
|
+
|
|
311
|
+
String year = request.getParameter("year");
|
|
312
|
+
|
|
313
|
+
String month = request.getParameter("month");
|
|
314
|
+
|
|
315
|
+
String day = request.getParameter("day");
|
|
316
|
+
|
|
317
|
+
String height = request.getParameter("tall");
|
|
318
|
+
|
|
319
|
+
String weight = request.getParameter("weight");
|
|
320
|
+
|
|
321
|
+
String userid = request.getParameter("userid");
|
|
322
|
+
|
|
323
|
+
String password = request.getParameter("password");
|
|
324
|
+
|
|
325
|
+
|
|
326
|
+
|
|
327
|
+
String birth = year+"年"+month+"月"+day+"日";
|
|
328
|
+
|
|
329
|
+
|
|
330
|
+
|
|
331
|
+
|
|
332
|
+
|
|
333
|
+
ub.setName(name);
|
|
334
|
+
|
|
335
|
+
ub.setSex(sex);
|
|
336
|
+
|
|
337
|
+
ub.setAge(age);
|
|
338
|
+
|
|
339
|
+
ub.setBirth(birth);
|
|
340
|
+
|
|
341
|
+
ub.setHeight(height);
|
|
342
|
+
|
|
343
|
+
ub.setWeight(weight);
|
|
344
|
+
|
|
345
|
+
ub.setUserid(userid);
|
|
346
|
+
|
|
347
|
+
ub.setPassword(password);
|
|
348
|
+
|
|
349
|
+
|
|
350
|
+
|
|
351
|
+
|
|
352
|
+
|
|
353
|
+
/*パラメータを取得で来ているかどうかの確認*/
|
|
354
|
+
|
|
355
|
+
System.out.println(ub.getName());
|
|
356
|
+
|
|
357
|
+
System.out.println(ub.getSex());
|
|
358
|
+
|
|
359
|
+
System.out.println(ub.getAge());
|
|
360
|
+
|
|
361
|
+
System.out.println(ub.getBirth());
|
|
362
|
+
|
|
363
|
+
System.out.println(ub.getHeight());
|
|
364
|
+
|
|
365
|
+
System.out.println(ub.getWeight());
|
|
366
|
+
|
|
367
|
+
System.out.println(ub.getUserid());
|
|
368
|
+
|
|
369
|
+
System.out.println(ub.getPassword());
|
|
370
|
+
|
|
371
|
+
|
|
372
|
+
|
|
373
|
+
HttpSession session = request.getSession();
|
|
374
|
+
|
|
375
|
+
session.setAttribute("userbeanses", ub);
|
|
376
|
+
|
|
377
|
+
UserBean ub_test = (UserBean) session.getAttribute("userbeanses");
|
|
378
|
+
|
|
379
|
+
|
|
380
|
+
|
|
381
|
+
/*セッションスコープに保存されているかの確認*/
|
|
382
|
+
|
|
383
|
+
System.out.println(ub_test.getName());
|
|
384
|
+
|
|
385
|
+
System.out.println(ub_test.getSex());
|
|
386
|
+
|
|
387
|
+
System.out.println(ub_test.getAge());
|
|
388
|
+
|
|
389
|
+
System.out.println(ub_test.getBirth());
|
|
390
|
+
|
|
391
|
+
System.out.println(ub_test.getHeight());
|
|
392
|
+
|
|
393
|
+
System.out.println(ub_test.getWeight());
|
|
394
|
+
|
|
395
|
+
System.out.println(ub_test.getUserid());
|
|
396
|
+
|
|
397
|
+
System.out.println(ub_test.getPassword());
|
|
398
|
+
|
|
399
|
+
//ログイン判定
|
|
400
|
+
|
|
401
|
+
UserAuthBean uab = new User.UserAuthBean();
|
|
402
|
+
|
|
403
|
+
|
|
404
|
+
|
|
405
|
+
if(uab.execute(ub) == true) {
|
|
406
|
+
|
|
407
|
+
/*認証に成功*/
|
|
408
|
+
|
|
409
|
+
url = "/WEB-INF/Login_Register/register_end.jsp";
|
|
410
|
+
|
|
411
|
+
}else{
|
|
412
|
+
|
|
413
|
+
/*認証に失敗*/
|
|
414
|
+
|
|
415
|
+
url = "/WEB-INF/Login_Register/register_error.jsp";
|
|
416
|
+
|
|
417
|
+
}
|
|
418
|
+
|
|
419
|
+
/*画面遷移*/
|
|
420
|
+
|
|
421
|
+
ServletContext servletContext = getServletContext();
|
|
422
|
+
|
|
423
|
+
RequestDispatcher rd = servletContext.getRequestDispatcher(url);
|
|
424
|
+
|
|
425
|
+
rd.forward(request, response);
|
|
426
|
+
|
|
427
|
+
}
|
|
414
428
|
|
|
415
429
|
}
|
|
416
430
|
|
|
417
431
|
|
|
418
432
|
|
|
419
|
-
|
|
433
|
+
```
|
|
434
|
+
|
|
435
|
+
###3.login.jsp(JSPファイル)
|
|
436
|
+
|
|
437
|
+
```
|
|
420
438
|
|
|
421
439
|
<login.jsp(jspファイル(ログイン画面))
|
|
422
440
|
|
|
@@ -480,11 +498,13 @@
|
|
|
480
498
|
|
|
481
499
|
</html>
|
|
482
500
|
|
|
483
|
-
|
|
501
|
+
```
|
|
484
|
-
|
|
485
|
-
|
|
486
|
-
|
|
502
|
+
|
|
503
|
+
|
|
504
|
+
|
|
487
|
-
|
|
505
|
+
###4.User_MainPageServlet.java(サーブレットクラス)
|
|
506
|
+
|
|
507
|
+
```
|
|
488
508
|
|
|
489
509
|
package MainPage;
|
|
490
510
|
|
|
@@ -512,11 +532,7 @@
|
|
|
512
532
|
|
|
513
533
|
import User.UserBean;
|
|
514
534
|
|
|
515
|
-
|
|
535
|
+
|
|
516
|
-
|
|
517
|
-
* Servlet implementation class User_MainPageServlet
|
|
518
|
-
|
|
519
|
-
*/
|
|
520
536
|
|
|
521
537
|
@WebServlet("/MainPage/User_MainPageServlet")
|
|
522
538
|
|
|
@@ -526,19 +542,67 @@
|
|
|
526
542
|
|
|
527
543
|
|
|
528
544
|
|
|
529
|
-
|
|
530
|
-
|
|
531
|
-
protected void doPost(HttpServletRequest request,HttpServletResponse response) throws ServletException, IOException {
|
|
545
|
+
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
|
|
546
|
+
|
|
532
|
-
|
|
547
|
+
/*文字コードエンコーディング*/
|
|
548
|
+
|
|
549
|
+
request.setCharacterEncoding("UTF-8");
|
|
550
|
+
|
|
551
|
+
response.setCharacterEncoding("UTF-8");
|
|
552
|
+
|
|
553
|
+
response.setContentType("text/html;charset=UTF-8");
|
|
554
|
+
|
|
555
|
+
|
|
556
|
+
|
|
557
|
+
/*遷移先*/
|
|
558
|
+
|
|
559
|
+
String url = null;
|
|
560
|
+
|
|
561
|
+
|
|
562
|
+
|
|
563
|
+
/*ログイン-ユーザーID_パスワード情報取得*/
|
|
564
|
+
|
|
565
|
+
String userid_login = request.getParameter("userid_login");
|
|
566
|
+
|
|
567
|
+
String password_login = request.getParameter("password_login");
|
|
568
|
+
|
|
569
|
+
|
|
570
|
+
|
|
533
|
-
|
|
571
|
+
HttpSession session = request.getSession();
|
|
572
|
+
|
|
573
|
+
|
|
574
|
+
|
|
534
|
-
|
|
575
|
+
UserBean ub = (UserBean) session.getAttribute("userbeanses");
|
|
576
|
+
|
|
577
|
+
|
|
578
|
+
|
|
579
|
+
if(userid_login == ub.getUserid() && password_login == ub.getPassword()) {
|
|
580
|
+
|
|
581
|
+
url = "/WEB-INF/Menu/mainmenu.jsp";
|
|
582
|
+
|
|
583
|
+
}else if((ub.getUserid() == "" && ub.getPassword() == "") || userid_login != ub.getUserid()&& password_login!=ub.getPassword()){
|
|
584
|
+
|
|
585
|
+
url = "WEB-INF/Login_Register/login_error";
|
|
586
|
+
|
|
535
|
-
}
|
|
587
|
+
}
|
|
588
|
+
|
|
589
|
+
|
|
590
|
+
|
|
591
|
+
/*画面遷移*/
|
|
592
|
+
|
|
593
|
+
RequestDispatcher rd = request.getRequestDispatcher(url);
|
|
594
|
+
|
|
595
|
+
rd.forward(request, response);
|
|
596
|
+
|
|
597
|
+
}
|
|
598
|
+
|
|
599
|
+
|
|
536
600
|
|
|
537
601
|
|
|
538
602
|
|
|
539
603
|
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
|
|
540
604
|
|
|
541
|
-
|
|
605
|
+
/*文字コードエンコーディング*/
|
|
542
606
|
|
|
543
607
|
request.setCharacterEncoding("UTF-8");
|
|
544
608
|
|
|
@@ -548,55 +612,45 @@
|
|
|
548
612
|
|
|
549
613
|
|
|
550
614
|
|
|
551
|
-
|
|
615
|
+
/*遷移先*/
|
|
552
|
-
|
|
616
|
+
|
|
553
|
-
|
|
617
|
+
String url = null;
|
|
554
|
-
|
|
555
|
-
|
|
556
|
-
|
|
618
|
+
|
|
619
|
+
|
|
620
|
+
|
|
557
|
-
|
|
621
|
+
/*ログイン-ユーザーID_パスワード情報取得*/
|
|
558
|
-
|
|
622
|
+
|
|
559
|
-
|
|
623
|
+
String userid_login = request.getParameter("userid_login");
|
|
560
|
-
|
|
624
|
+
|
|
561
|
-
|
|
625
|
+
String password_login = request.getParameter("password_login");
|
|
562
|
-
|
|
563
|
-
|
|
564
|
-
|
|
626
|
+
|
|
627
|
+
|
|
628
|
+
|
|
565
|
-
|
|
629
|
+
HttpSession session = request.getSession();
|
|
566
|
-
|
|
567
|
-
|
|
568
|
-
|
|
630
|
+
|
|
631
|
+
|
|
632
|
+
|
|
569
|
-
|
|
633
|
+
UserBean ub = (UserBean) session.getAttribute("userbeanses");
|
|
570
|
-
|
|
571
|
-
|
|
572
|
-
|
|
634
|
+
|
|
635
|
+
|
|
636
|
+
|
|
573
|
-
|
|
637
|
+
if(userid_login == ub.getUserid() && password_login == ub.getPassword()) {
|
|
574
|
-
|
|
638
|
+
|
|
575
|
-
|
|
639
|
+
url = "/WEB-INF/Menu/mainmenu.jsp";
|
|
576
|
-
|
|
640
|
+
|
|
577
|
-
|
|
641
|
+
}else if((ub.getUserid() == "" && ub.getPassword() == "") || userid_login != ub.getUserid()&& password_login!=ub.getPassword()){
|
|
578
|
-
|
|
579
|
-
|
|
642
|
+
|
|
580
|
-
|
|
581
|
-
|
|
643
|
+
url = "WEB-INF/Login_Register/login_error";
|
|
582
|
-
|
|
644
|
+
|
|
583
|
-
|
|
645
|
+
}
|
|
584
|
-
|
|
585
|
-
|
|
586
|
-
|
|
587
|
-
|
|
646
|
+
|
|
588
|
-
|
|
589
|
-
|
|
647
|
+
|
|
590
|
-
|
|
591
|
-
|
|
592
|
-
|
|
593
|
-
|
|
594
|
-
|
|
648
|
+
|
|
595
|
-
/
|
|
649
|
+
/*画面遷移*/
|
|
596
|
-
|
|
650
|
+
|
|
597
|
-
|
|
651
|
+
RequestDispatcher rd = request.getRequestDispatcher(url);
|
|
598
|
-
|
|
652
|
+
|
|
599
|
-
|
|
653
|
+
rd.forward(request, response);
|
|
600
654
|
|
|
601
655
|
}
|
|
602
656
|
|
|
@@ -606,6 +660,10 @@
|
|
|
606
660
|
|
|
607
661
|
|
|
608
662
|
|
|
663
|
+
```
|
|
664
|
+
|
|
665
|
+
|
|
666
|
+
|
|
609
667
|
|
|
610
668
|
|
|
611
669
|
|
1
サーバーの種類追加
test
CHANGED
|
File without changes
|
test
CHANGED
|
@@ -620,7 +620,9 @@
|
|
|
620
620
|
|
|
621
621
|
|
|
622
622
|
|
|
623
|
-
多数の長いソースコードを張り付けて申し訳ありませんがご協力よろしくお願いいたします。
|
|
623
|
+
多数の長いソースコードを張り付けて申し訳ありませんがご協力本当によろしくお願いいたします。
|
|
624
|
+
|
|
625
|
+
|
|
624
626
|
|
|
625
627
|
|
|
626
628
|
|
|
@@ -628,6 +630,4 @@
|
|
|
628
630
|
|
|
629
631
|
### 補足情報（FW/ツールのバージョンなど）
|
|
630
632
|
|
|
631
|
-
|
|
632
|
-
|
|
633
|
-
|
|
633
|
+
サーバー：Tomcat8.0vサーバー
|