Fix #2088: Upgrade to Spring Boot 4 by michal-rozehnal-w · Pull Request #2092 · wultra/powerauth-webflow

michal-rozehnal-w · 2026-06-08T06:15:00Z

Spring Boot upgraded to version 4 - followed migration guide
Jackson upgraded to version 3 - followed migration guide

michal-rozehnal-w · 2026-06-08T06:24:34Z

-        if (ex.getErrorResponse() == null) {
-            logger.trace("Wultra Java Core lib did not parse ErrorResponse for {}", ex.getResponse());
-            try {
+        if (ex.getResponse() == null) {


After the upgrade, rest-client-base now parses the error body, so ex.getErrorResponse() became non-null

michal-rozehnal-w · 2026-06-08T06:27:42Z

    /**
     * Formatted values.
     */
+    @JsonSetter(nulls = Nulls.SKIP)


The USE_GETTERS_AS_SETTERS is disabled by default and because deserialization happens in rest-client-base, I added this annotation to each private final collection field. We use the same pattern in other components

Let's review other components and apply this pattern.

michal-rozehnal-w · 2026-06-08T06:28:30Z

-                    logger.warn("No response received during REST client call");
-                    return null;
-                }
-                ErrorResponse errorResponse = objectMapper.disable(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES).readValue(ex.getResponse(), ErrorResponse.class);


The FAIL_ON_UNKNOWN_PROPERTIES is disabled by default

michal-rozehnal-w · 2026-06-08T07:28:14Z

+     * @return Enum constant name.
+     */
+    @JsonValue
+    public String toJsonValue() {


The WRITE_ENUMS_USING_TO_STRING is enabled by default, so without this change we would get values serialized in lower case (value returned by toString()) instead of upper case.
Alternatively we can use @JsonProperty as already is in AllowedAuthCodeType class

michal-rozehnal-w · 2026-06-08T07:29:54Z

-        objectMapper.configure(SerializationFeature.FAIL_ON_EMPTY_BEANS, false);
-        objectMapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
-        objectMapper.enable(SerializationFeature.INDENT_OUTPUT);
-        objectMapper.configure(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS, false);


The WRITE_DATES_AS_TIMESTAMPS is also disabled by default

banterCZ

Let's review the final fields with @romanstrobl, please.

banterCZ · 2026-06-08T08:14:02Z

-        <powerauth-crypto.version>2.1.0-SNAPSHOT</powerauth-crypto.version>
-        <powerauth-push.version>2.0.1</powerauth-push.version>
+        <wultra-core.version>2.2.0-SNAPSHOT</wultra-core.version>
+        <powerauth.version>2.2.0-SNAPSHOT</powerauth.version>


🤔 Won't the customers be confused? We have WebFlow 2.1, but are using PowerAuth server 2.2.

Good question. As we discussed, the 2.1 release is not needed, so we can skip it and make the next release 2.2. I can update the version in all modules from 2.1.0-SNAPSHOT to 2.2.0-SNAPSHOT in this PR to avoid any confusion. What do you think?
Additional note: It seems we will move NextStep to separate repo, so the next release could be outside of this one

🤔 What if we release only NextStep 2.1 with Spring Boot 4 from a new repo and keep WebFlow snapshot here? cc @vita-kotacka

Sounds good to me. I'll hold off on merging this PR until we make a final decision.

Decided by the offline discussion:

Fork the webflow

Clean up everything but next-step

Resume the PR.

Overall:

Web Flow will stay on the version 2.1.x

NextStep will continue from the version 2.2.x

vita-kotacka · 2026-06-08T13:30:22Z

🤖 Optional follow-up (non-blocking): spring-boot-starter-web is deprecated in Spring Boot 4 in favor of spring-boot-starter-webmvc (per the SB4 migration guide). It still works via the compatibility alias, but consider renaming it in the 5 modules that declare it (powerauth-nextstep, powerauth-tpp-engine, powerauth-tpp-engine-client, powerauth-webflow, powerauth-webflow-client) to align with the new modular starters.

vita-kotacka

LGTM 👍

banterCZ

I suggest moving dependency from the parent to the modules. Otherwise good job!

romanstrobl

Good job, I have several minor comments.

romanstrobl · 2026-06-10T11:44:51Z

 ### Changed

 - Upgraded Docker base image to `ibm-semeru-runtimes:open-jdk-25.0.3.0-jre-noble` (OpenJDK 25) [(2090)](https://github.com/wultra/powerauth-webflow/issues/2090)
+- Migrated to Spring Boot 4 and Jackson 3 [(2088)](https://github.com/wultra/powerauth-webflow/issues/2088)


The format of changelog does not seem to correspond to the format in other PowerAuth components.

You are right, but I can see we use 2 different formats across our repos. Let's discuss it in team which one is preferred

romanstrobl

Approved.

michal-rozehnal-w added 4 commits June 4, 2026 14:57

Upgrade to spring boot 4

914e971

Upgrade to Jackson 3

a2a1df0

Fix collections deserialization

89c2236

Fix custom exception parsing

96513f3

michal-rozehnal-w temporarily deployed to docker-internal June 8, 2026 06:15 — with GitHub Actions Inactive

michal-rozehnal-w linked an issue Jun 8, 2026 that may be closed by this pull request

Support Spring Boot 4 #2088

Closed

Add changelog

97d7e9e

michal-rozehnal-w temporarily deployed to docker-internal June 8, 2026 06:22 — with GitHub Actions Inactive

Remove duplicated object mapper configuration

e586be9

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michal-rozehnal-w commented Jun 8, 2026

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michal-rozehnal-w marked this pull request as ready for review June 8, 2026 07:32

michal-rozehnal-w requested review from banterCZ and vita-kotacka June 8, 2026 07:32

banterCZ reviewed Jun 8, 2026

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banterCZ requested a review from romanstrobl June 8, 2026 08:15

michal-rozehnal-w added 3 commits June 8, 2026 11:37

Use ObjectMapper instead of JsonMapper

16bdc3b

Update java and logstash versions

8907cc5

Merge branch 'develop' into issues/2088-Support-Spring-Boot-4

dba404d

michal-rozehnal-w temporarily deployed to docker-internal June 8, 2026 09:46 — with GitHub Actions Inactive

Add test for serialization final collection

26e948c

vita-kotacka reviewed Jun 8, 2026

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Comment thread ...ain/java/com/wultra/security/powerauth/app/nextstep/service/OperationPersistenceService.java Outdated

vita-kotacka approved these changes Jun 8, 2026

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banterCZ reviewed Jun 9, 2026

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Comment thread ...main/java/com/wultra/security/powerauth/app/nextstep/configuration/WebApplicationConfig.java Outdated

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Comment thread pom.xml Outdated

banterCZ approved these changes Jun 9, 2026

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michal-rozehnal-w added 2 commits June 9, 2026 07:57

Fix review comments

5ba4e62

Merge branch 'develop' into issues/2088-Support-Spring-Boot-4

021da01

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Fix failing test

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romanstrobl approved these changes Jun 10, 2026

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romanstrobl self-requested a review June 11, 2026 05:55

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michal-rozehnal-w mentioned this pull request Jun 18, 2026

feat #37: support spring boot 4 wultra/powerauth-nextstep#36

Merged

Fix review comments

094ee74

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michal-rozehnal-w commented Jun 8, 2026 •

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