java.sql.SQLException: ResultSet is closed Post published:2022-01-29 Post category:IT 資訊科技 在遍歷 ResultSet 時若又額外 Query 會造成異...
java.lang.UnsupportedOperationException 原因與解法 Post published:2022-01-28 Post category:IT 資訊科技 對 List 新增、刪除是很基本的行為但居然出現「不支持的操...
[Java] Local variable xxxx defined in an enclosing scope must be final or effectively final Post published:2021-07-09 Post category:IT 資訊科技 以下程式在編譯時期會出現錯誤訊息 interface Gre...
javax.net.ssl.SSLHandshakeException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target Post published:2021-04-15 Post category:IT 資訊科技 描述 使用 HttpURLConnection 連線時出現異...
sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target (找不到要求目標的有效憑證路徑) Post published:2021-03-25 Post category:IT 資訊科技 嘗試使用 HttpURLConnection 發出 GET ...