java.lang.StackOverflowError at org.joda.time.chrono.BasicChronology.getYear(BasicChronology.java:426)

Question

Could someone tell me what I am doing wrong for getting this StackOverFlowError with Joda library?

Here the code implyed:

  public Integer getAge() {
    if ( getBirthDate() != "//" ) {
        try {
            LocalDate birth = LocalDate.parse( getBirthDate(), DateTimeFormat.forPattern( "dd/MM/yyyy" ) );//Error raised here
            DateTime today = new DateTime();
            if ( today.getMonthOfYear() >= birth.getMonthOfYear() ) {
                age = today.getYear() - birth.getYear();
            } else {
                age = today.getYear() - birth.getYear() - 1;
            }
        } catch ( Exception e ) {
            e.printStackTrace();
        }
    }
    return age;
}

Here where I call this method :

@Override
public boolean equals( Object obj ) {

    if ( this == obj ) {
        return true;
    }
    if ( obj == null ) {
        return false;
    }
    if ( !( obj instanceof Identite ) ) {
        return false;
    }

    Identity other = (Identity) obj;
    EqualsBuilder equalsBuilder = new EqualsBuilder();

    equalsBuilder.append( getAge(), other.getAge() );//here the call
    return equalsBuilder.isEquals();
}

I am using the getter method for Hibernate.

How to avoid this error?

The stack trace :

java.lang.StackOverflowError
at org.joda.time.chrono.BasicChronology.getYear(BasicChronology.java:426)
at org.joda.time.chrono.BasicGJChronology.setYear(BasicGJChronology.java:180)
at org.joda.time.chrono.BasicYearDateTimeField.setExtended(BasicYearDateTimeField.java:92)
at org.joda.time.format.DateTimeParserBucket$SavedField.set(DateTimeParserBucket.java:568)
at org.joda.time.format.DateTimeParserBucket.computeMillis(DateTimeParserBucket.java:447)
at org.joda.time.format.DateTimeParserBucket.computeMillis(DateTimeParserBucket.java:411)
at org.joda.time.format.DateTimeFormatter.parseLocalDateTime(DateTimeFormatter.java:887)
at org.joda.time.format.DateTimeFormatter.parseLocalDate(DateTimeFormatter.java:844)
at org.joda.time.LocalDate.parse(LocalDate.java:179)
at com.home.entities.Identity.getAge(Identite.java:127)
at com.home.entities.Identity.equals(Identite.java:185)

EDIT Joda dependencies and getBirthDate():

   <dependency>
        <groupId>joda-time</groupId>
        <artifactId>joda-time</artifactId>
       <version>2.9.7</version> 
    </dependency>
    <dependency>
        <groupId>org.joda</groupId>
        <artifactId>joda-convert</artifactId>
        <version>1.8.1</version>
    </dependency>

The method is:

public String getBirthDate() {
    if ( getBirthDay() != null && getBirthMonth() != null && getBirthYear() != null ) {
        birthDate= getBirthDay()+ "/" +  getBirthMonth() + "/" + getBirthYear();
    }
    return birthDate;
}

What does `getBirthDate()` yield as string? @XtremeBaumer No Joda-Time is not part of Java, but in Java-8 a new time library `java.time`-package was introduced mainly by the same author (of Joda-Time) inspired by Joda-Time. However, both libs are very different. — Meno Hochschild, Apr 11 '17 at 12:53
@Meno Hochschild yes getBirthDate() is a string wich contains "dd/mm/yyyy" — akuma8, Apr 11 '17 at 12:58
Are you sure, the pattern itself and not the textual date??? — Meno Hochschild, Apr 11 '17 at 12:59
One thing is clear: If `getBirthDate()` really contains the string "dd/mm/yyyy" then we get this exception: `java.lang.IllegalArgumentException: Invalid format: "dd/mm/yyyy"` but not a `StackOverflowError`. — Meno Hochschild, Apr 11 '17 at 13:08
I added the `getBirthDate()` method. The field concerned are simple string. — akuma8, Apr 11 '17 at 13:09
Hm, my suspicion is: The `StackOverflowError` might not be directly related to Joda-Time but was just due to the fact that some internal stack depth in the JVM was exhausted. This can happen if an app has extremely many layers of invocation. — Meno Hochschild, Apr 11 '17 at 13:11
It's not the question's topic, but to calculate a difference in years you can use `org.joda.time.Years` class and call `Years.yearsBetween(birth, new LocalDate()).getYears()` to get the number of years — , Apr 11 '17 at 13:19
@Hugo I will think abut your suggestion next time. I don't know methods offered by this library. — akuma8, Apr 11 '17 at 13:27

score 0 · Accepted Answer · answered Apr 19 '17 at 11:05

0

I found the reason of this exception, I just forgot to load the required data from database.

answered Apr 19 '17 at 11:05

akuma8

4,160
5
46
82

dspano · Answer 2 · 2017-04-11T13:10:15.313

-1

Try this:

DateTime birth = new DateTime(new SimpleDateFormat("dd/MM/yyyy").parse(getBirthDate()));

This assumes that getBirthDate() returns the date in the form anticipated in your DateTimeFormat.forPattern() of "dd/MM/yyyy" for example "11/04/2017"

If you must use DateTimeFormatter try this:

 DateTime birth = new DateTime(DateTimeFormat.forPattern("dd/MM/yyyy").parseDateTime(birthdate));

edited Apr 11 '17 at 13:10

answered Apr 11 '17 at 13:04

dspano

1,540
13
25

3

Have you tested your proposal ? You don't even know what `getBirthDate()` yields. And the question is about Joda-Time, not `SimpleDateFormat`. – Meno Hochschild Apr 11 '17 at 13:06

java.lang.StackOverflowError at org.joda.time.chrono.BasicChronology.getYear(BasicChronology.java:426)

2 Answers2