小编J S*_*rry的帖子

我有一些代码运行一个进程,并从stdout和stderr异步读取,然后在进程完成时进行处理.它看起来像这样:

Process process = builder.start();

    Thread outThread = new Thread(() -> {
        try (BufferedReader reader = new BufferedReader(new InputStreamReader(process.getInputStream()))) {
            // Read stream here
        } catch (Exception e) {
        }
    });

    Thread errThread = new Thread(() -> {
      try (BufferedReader reader = new BufferedReader(new InputStreamReader(process.getErrorStream()))) {
        // Read stream here
      } catch (Exception e) {
      }
    });

    outThread.start();
    errThread.start();

    new Thread(() -> {
      int exitCode = -1;
      try {
        exitCode = process.waitFor();
        outThread.join();
        errThread.join();
      } catch (Exception e) {
      } …

我使用Hibernate(4.2)作为我的持久性提供程序,我有一个包含Date字段的JPA实体:

@Entity
@Table(name = "MY_TABLE")
public class MyTable implements Serializable {
  . . .
  @Temporal(TemporalType.TIMESTAMP)
  @Column(name = "START_DATE")
  private Date startDate;
  public Date getStartDate() {
    return startDate;
  }
  public void setStartDate(Date startDate) {
    this.startDate = startDate;
  }
  . . .
}

与START_DATE对应的列定义为START_DATE TIMESTAMP(无时区).

我在我的应用程序内部使用Joda-Time(2.3)来处理日期(总是在UTC中),并且在持久化实体之前,我使用toDate()Joda的DateTime类的方法来获取JDK Date对象以遵守映射:

public void myMethod(DateTime startDateUTC) {
  . . .
  MyTable table = /* obtain somehow */
  table.setStartDate(startDateUTC.toDate());
  . . .
}

当我在DB中查看存储的值时,我注意到某处(JDK？Hibernate？)使用代码运行的JVM的默认时区转换Date值.在我的情况下是"美国/芝加哥".

问题确实在夏令时(DST)附近显现出来.例如,如果内部时间是

2014-03-09T02:55:00Z

它被存储为

09-Mar-14 03:55:00

我想要的是将它存储为

09-Mar-14 …