spring-projects / spring-projects/spring-data-rest

spring data rest with JPA XML mapping informations

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status: waiting-for-triage
Dominant language
Java
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Description

i forked spring-restbucks and put JPA mapping informations in XML.
It worked until I commented the Id attribute in Order.
This throws a NPE without stacktrace. Debugging, i can see that RepositoryRestRequest contains a JpaPersistentEntityImpl with a null idProperty.
Steps to reproduce:

  1. git clone https://github.com/jclagache/spring-restbucks.git
  2. mvn jetty:run
  3. Run REST Shell
  4. follow orders
  5. get 1

Contributor guide

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Clone the linked spring-restbucks reproduction, run mvn jetty:run, then use the REST Shell to follow orders and get 1 after commenting out the Id attribute in Order. Start by inspecting RepositoryRestRequest and JpaPersistentEntityImpl around the null idProperty. Done means the reported request no longer fails with an unhandled NPE and its behavior is covered or clearly verified for XML-mapped entities without an Id.

Written by the indexing model from the issue text.

Assessment

Tech stack
java, spring
Domain
api, backend, database
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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