<div style="font-size: 15px; letter-spacing: -0.3px; color: #abb0b5; white-space: pre-wrap;">This application has no explicit mapping for /error, so you are seeing this as a fallback.</div>
<div style="font-size: 15px; letter-spacing: -0.3px; color: #abb0b5; white-space: pre-wrap;">
<div>There was an unexpected error (type=Internal Server Error, status=500).</div>
<div>No message available</div>
<div>java.lang.NullPointerException</div>
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<div style="font-size: 15px; letter-spacing: -0.3px; color: #abb0b5; white-space: pre-wrap;">상품 등록 때 submit 버튼을 누르면 저렇게 뜨네요. 다음 강의인 상품목록도 해봤는데 이것도 같은 오류가 뜹니다. 교재 강의 둘 다 참고 했는데 오타는 없습니다.</div>

<p><span style="font-size: 12pt; font-family: Arial; text-align: right;" data-sheets-value="{&quot;1&quot;:2,&quot;2&quot;:&quot;안녕하세요. 님, 공식 서포터즈  OMG입니다.\n\n감사합니다.&quot;}" data-sheets-userformat="{&quot;2&quot;:1063747,&quot;3&quot;:{&quot;1&quot;:0},&quot;4&quot;:{&quot;1&quot;:2,&quot;2&quot;:16777215},&quot;9&quot;:2,&quot;11&quot;:0,&quot;12&quot;:0,&quot;14&quot;:{&quot;1&quot;:2,&quot;2&quot;:0},&quot;15&quot;:&quot;Arial&quot;,&quot;16&quot;:12,&quot;23&quot;:1}" data-sheets-textstyleruns="{&quot;1&quot;:0}{&quot;1&quot;:10,&quot;2&quot;:{&quot;2&quot;:{&quot;1&quot;:2,&quot;2&quot;:1136076},&quot;9&quot;:1}}{&quot;1&quot;:17}" data-sheets-hyperlinkruns="{&quot;1&quot;:10,&quot;2&quot;:&quot;https://www.inflearn.com/blogs/617&quot;}{&quot;1&quot;:17}"><span style="font-size: 12pt;">안녕하세요.&nbsp;</span></span><span style="background-color: #ffffff; color: #495057; font-family: Pretendard, -apple-system, 'system-ui', system-ui, Roboto, 'Helvetica Neue', 'Segoe UI', 'Apple SD Gothic Neo', 'Noto Sans KR', 'Malgun Gothic', 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', sans-serif; font-size: 14px;">binni0515</span><span style="font-family: Arial; font-size: 12pt; text-align: right;">님, </span><span style="font-family: Arial; font-size: 12pt; text-align: right; text-decoration-line: underline; text-decoration-skip-ink: none; color: #1155cc;"><a class="in-cell-link" href="https://www.inflearn.com/blogs/617" target="_blank" rel="noopener">공식 서포터즈</a></span><span style="font-family: Arial; font-size: 12pt; text-align: right;"> OMG입니다.</span></p>
<p><span style="font-family: Arial; font-size: 12pt; text-align: right;">해당 내용만으로는 확인이 어렵습니다. 아래 링크들을 참고하셔서 확인해보시고, 해결이 안될 경우 댓글남겨주세요.</span></p>
<p>&nbsp;</p>
<p><span style="text-align: right;" data-sheets-value="{&quot;1&quot;:2,&quot;2&quot;:&quot;안녕하세요. 님, 공식 서포터즈  OMG입니다.\n\n감사합니다.&quot;}" data-sheets-userformat="{&quot;2&quot;:1063747,&quot;3&quot;:{&quot;1&quot;:0},&quot;4&quot;:{&quot;1&quot;:2,&quot;2&quot;:16777215},&quot;9&quot;:2,&quot;11&quot;:0,&quot;12&quot;:0,&quot;14&quot;:{&quot;1&quot;:2,&quot;2&quot;:0},&quot;15&quot;:&quot;Arial&quot;,&quot;16&quot;:12,&quot;23&quot;:1}" data-sheets-textstyleruns="{&quot;1&quot;:0}{&quot;1&quot;:10,&quot;2&quot;:{&quot;2&quot;:{&quot;1&quot;:2,&quot;2&quot;:1136076},&quot;9&quot;:1}}{&quot;1&quot;:17}" data-sheets-hyperlinkruns="{&quot;1&quot;:10,&quot;2&quot;:&quot;https://www.inflearn.com/blogs/617&quot;}{&quot;1&quot;:17}"><a href="https://velog.io/@agugu95/%EC%8A%A4%ED%94%84%EB%A7%81%EB%B6%80%ED%8A%B8-JPA-%EC%9B%B9-%EC%95%B1-%EA%B5%AC%EC%B6%95-%EC%9B%B9-%EA%B3%84%EC%B8%B5-%EA%B0%9C%EB%B0%9C">https://velog.io/@agugu95/%EC%8A%A4%ED%94%84%EB%A7%81%EB%B6%80%ED%8A%B8-JPA-%EC%9B%B9-%EC%95%B1-%EA%B5%AC%EC%B6%95-%EC%9B%B9-%EA%B3%84%EC%B8%B5-%EA%B0%9C%EB%B0%9C</a><br /></span></p>
<p><span style="text-align: right;" data-sheets-value="{&quot;1&quot;:2,&quot;2&quot;:&quot;안녕하세요. 님, 공식 서포터즈  OMG입니다.\n\n감사합니다.&quot;}" data-sheets-userformat="{&quot;2&quot;:1063747,&quot;3&quot;:{&quot;1&quot;:0},&quot;4&quot;:{&quot;1&quot;:2,&quot;2&quot;:16777215},&quot;9&quot;:2,&quot;11&quot;:0,&quot;12&quot;:0,&quot;14&quot;:{&quot;1&quot;:2,&quot;2&quot;:0},&quot;15&quot;:&quot;Arial&quot;,&quot;16&quot;:12,&quot;23&quot;:1}" data-sheets-textstyleruns="{&quot;1&quot;:0}{&quot;1&quot;:10,&quot;2&quot;:{&quot;2&quot;:{&quot;1&quot;:2,&quot;2&quot;:1136076},&quot;9&quot;:1}}{&quot;1&quot;:17}" data-sheets-hyperlinkruns="{&quot;1&quot;:10,&quot;2&quot;:&quot;https://www.inflearn.com/blogs/617&quot;}{&quot;1&quot;:17}"><span style="font-family: Arial;"><a href="https://www.inflearn.com/questions/122235">https://www.inflearn.com/questions/122235</a></span></span></p>
<p>&nbsp;</p>
<p><span style="text-align: right;" data-sheets-value="{&quot;1&quot;:2,&quot;2&quot;:&quot;안녕하세요. 님, 공식 서포터즈  OMG입니다.\n\n감사합니다.&quot;}" data-sheets-userformat="{&quot;2&quot;:1063747,&quot;3&quot;:{&quot;1&quot;:0},&quot;4&quot;:{&quot;1&quot;:2,&quot;2&quot;:16777215},&quot;9&quot;:2,&quot;11&quot;:0,&quot;12&quot;:0,&quot;14&quot;:{&quot;1&quot;:2,&quot;2&quot;:0},&quot;15&quot;:&quot;Arial&quot;,&quot;16&quot;:12,&quot;23&quot;:1}" data-sheets-textstyleruns="{&quot;1&quot;:0}{&quot;1&quot;:10,&quot;2&quot;:{&quot;2&quot;:{&quot;1&quot;:2,&quot;2&quot;:1136076},&quot;9&quot;:1}}{&quot;1&quot;:17}" data-sheets-hyperlinkruns="{&quot;1&quot;:10,&quot;2&quot;:&quot;https://www.inflearn.com/blogs/617&quot;}{&quot;1&quot;:17}"><span style="font-family: Arial;"><span style="font-size: 12pt;">감사합니다.</span></span></span></p>

인프런 커뮤니티 질문&답변

상품 등록 NPE