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Trying to Update Spring version in existing POM.XML

 
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I have the following pom.xml which is using old version of spring. I am going through it as it was written by someone else and thinking to update it :


Question 1:

Does updating version number here `<version>1.3.3.RELEASE</version>` and here `<version>4.2.5.RELEASE</version>` for the dependency good enough to use the latest version of Spring boot? OR is it going to break things?


Question 2:

Could anyone explain why the Spring version is defined two times here one under parent tag and one under dependency tag:

 
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Does updating version number here `<version>1.3.3.RELEASE</version>` and here `<version>4.2.5.RELEASE</version>` for the dependency good enough to use the latest version of Spring boot? OR is it going to break things?



Yes by updating to higher version may break things.
 
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Tushar Goel wrote:

Does updating version number here `<version>1.3.3.RELEASE</version>` and here `<version>4.2.5.RELEASE</version>` for the dependency good enough to use the latest version of Spring boot? OR is it going to break things?



Yes by updating to higher version may break things.



So, in order to update and see whether things break or not, I just need to update the version numbers in pom.xml, right?
 
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Helpful hint:


And yes, this is from a project that hasn't been updated in a LONG time.

But if I ever did, I only need to change the Spring version ID in one place!
 
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