Exception on Margrop Blog https://blog.margrop.net/en/tag/exception/ Recent content in Exception on Margrop Blog Hugo -- gohugo.io en-US Thu, 25 Mar 2021 10:53:15 +0800 MySQL Date and DST Conversion Error HOUR_OF_DAY: 0 -> 1 and How to Fix It https://blog.margrop.net/en/post/mysql-exception-hour-of-day-0-1-solution/ Thu, 25 Mar 2021 10:53:15 +0800 https://blog.margrop.net/en/post/mysql-exception-hour-of-day-0-1-solution/ <h1 id="error-occurred-when-exporting-user-data-hour_of_day-0---1">Error Occurred When Exporting User Data: HOUR_OF_DAY: 0 -&gt; 1</h1> <ul> <li>Exception in thread &ldquo;main&rdquo; java.lang.IllegalArgumentException: HOUR_OF_DAY: 0 -&gt; 1 The full error message is as follows:</li> </ul> Solution to NumberFormatException when using SpringFox 3.0.0 version https://blog.margrop.net/en/post/java-springfox-number-format-exception/ Mon, 18 Jan 2021 16:39:34 +0800 https://blog.margrop.net/en/post/java-springfox-number-format-exception/ I recently upgraded SpringFox to version 3.0.0, and a bunch of exceptions occurred when accessing the interface documentation. The detailed exception stack is as follows 2021-01-18 16:25:35.824 WARN 62082 --- [ XNIO-2 task-1] i.s.m.p.AbstractSerializableParameter : Illegal DefaultValue null for parameter type integer java.lang.NumberFormatException: For input string: &#34;&#34; at java.base/java.lang.NumberFormatException.forInputString(NumberFormatException.java:65) at java.base/java.lang.Long.parseLong(Long.java:702) at java.base/java.lang.Long.valueOf(Long.java:1144) at io.swagger.models.parameters.AbstractSerializableParameter.getExample(AbstractSerializableParameter.java:412) at jdk.internal.reflect.GeneratedMethodAccessor220.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at com.fasterxml.jackson.databind.ser.BeanPropertyWriter.serializeAsField(BeanPropertyWriter.java:689) at com.fasterxml.jackson.databind.ser.std.BeanSerializerBase.serializeFields(BeanSerializerBase.java:755) at com.fasterxml.jackson.databind.ser.BeanSerializer.serialize(BeanSerializer.java:178) at com.fasterxml.jackson.databind.ser.impl.IndexedListSerializer.serializeContents(IndexedListSerializer.java:119) at com.