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##Ferramenta para detectar se há problema com a tabela de horário de verão na versão do java

no ano de 2019 não haverá horário de verão no Brasil, isso pode gerar problemas nos seus servidores

você pode atualizar o java, mas como nem sempre isso é uma opção, essa ferramenta pode ser útil

  • Para fazer build da ferramenta

    • mvn clean install
  • Para rodar a ferramenta:

    • java -jar horarioverao-1.0.jar
  • ela apresentará uma mensagem como a mensagem abaixo

    • [ZDT] representacao -> 2019-11-02T23:00-03:00[America/Sao_Paulo]
    • [ZDT] offset -> -03:00
    • [ZDT] apos adicionar uma hora -> 2019-11-03T01:00-02:00[America/Sao_Paulo] com offset -02:00
    • [ZDT] Ainda ha problema com horario de verao: esperado[-03:00] obtido[-02:00]
    • [Calendar] representacao -> 02/11/2019 23:00
    • [Calendar] offset -> 0
    • [Calendar] apos adicionar uma hora -> 03/11/2019 01:00 com offset 3600000
    • [Calendar] Ainda ha problema com horario de verao: esperado[0] obtido[3600000]
  • Para corrigir é necessário executar o comando:

  • Depois rodar o primeiro comando novamente:

    • java -jar horarioverao-1.0.jar
    • [ZDT] representacao -> 2019-11-02T23:00-03:00[America/Sao_Paulo]
    • [ZDT] offset -> -03:00
    • [ZDT] apos adicionar uma hora -> 2019-11-03T00:00-03:00[America/Sao_Paulo] com offset -03:00
    • [ZDT] Problema com horario de verao resolvido
    • [Calendar] representacao -> 02/11/2019 23:00
    • [Calendar] offset -> 0
    • [Calendar] apos adicionar uma hora -> 03/11/2019 00:00 com offset 0
    • [Calendar] Problema com horario de verao resolvido

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