Ensure reactive transaction rollback on commit error #30096
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simonbasle
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This change fixes a situation where error handling was skipped during `processCommit()` in case the `doCommit()` failed. The error handling was set up via an `onErrorResume` operator that was nested inside a `then(...)`, applied to an inner `Mono.empty()`. As a consequence, it would never receive an error signal (effectively decoupling the onErrorResume from the main chain). This change simply moves the error handling back one level up. It also simplifies the `doCommit` code a bit by getting rid of the steps that artificially introduce a `Mono<Object>` return type, which is not really needed. A pre-existing test was missing the fact that the rollback didn't occur, which is now fixed. Another dedicated test is introduced building upon the `ReactiveTestTransactionManager` class. Closes spring-projectsgh-28968 Closes spring-projectsgh-30096
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sdeleuze
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Mar 10, 2023
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Thanks @mp911de and @simonbasle for fixing this! |
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This change fixes a situation where error handling was skipped during
processCommit()in case thedoCommit()failed. The error handlingwas set up via an
onErrorResumeoperator that was nested inside athen(...), applied to an innerMono.empty(). As a consequence,it would never receive an error signal (effectively decoupling the
onErrorResume from the main chain).
This change simply moves the error handling back one level up. It also
simplifies the
doCommitcode a bit by getting rid of the steps thatartificially introduce a
Mono<Object>return type, which is not reallyneeded.