org.ektorp.DbAccessException: com.fasterxml.jackson.databind.JsonMappingException: [no message for java.lang.NullPointerException]

GitHub | yyloveyhyy | 9 months ago
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    GitHub | 9 months ago | yyloveyhyy
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Root Cause Analysis

  1. com.fasterxml.jackson.databind.JsonMappingException

    [no message for java.lang.NullPointerException]

    at com.fasterxml.jackson.databind.ser.DefaultSerializerProvider.serializeValue()
  2. Jackson
    ObjectMapper.writeValueAsBytes
    1. com.fasterxml.jackson.databind.ser.DefaultSerializerProvider.serializeValue(DefaultSerializerProvider.java:129)
    2. com.fasterxml.jackson.databind.ObjectMapper._configAndWriteValue(ObjectMapper.java:2718)
    3. com.fasterxml.jackson.databind.ObjectMapper.writeValueAsBytes(ObjectMapper.java:2233)
    3 frames
  3. Ektorp
    Page.getPreviousLink
    1. org.ektorp.PageRequest.asLink(PageRequest.java:114)
    2. org.ektorp.Page.getPreviousLink(Page.java:91)
    2 frames
  4. com.dinfo.china
    QueryUtil.main
    1. com.dinfo.china.mobile.util.QueryUtil.main(QueryUtil.java:106)
    1 frame
  5. Java RT
    Method.invoke
    1. sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    2. sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    3. sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    4. java.lang.reflect.Method.invoke(Method.java:606)
    4 frames
  6. IDEA
    AppMain.main
    1. com.intellij.rt.execution.application.AppMain.main(AppMain.java:144)
    1 frame