Question: Graalvm Native support - Spring boot 3.0

[Dam14n]

Hi team,

First, thanks for this amazing project that you are working on!

I have been testing Spring boot 3.0 (SNAPSHOT) with Graalvm Native support and Spring Boot Admin. Running locally is working as expected but I'm having some issues when building the Docker image in native mode.

Quick question, are you planning to support graalvm configuration? like autoconfiguration for native-hints (I mean this https://docs.spring.io/spring-boot/docs/3.0.0-SNAPSHOT/reference/htmlsingle/#native-image.advanced.custom-hints) in Spring boot 3.0 or adding some reachability-metadata (if needed) in the graalvm repo.

• https://github.com/oracle/graalvm-reachability-metadata/tree/master/metadata.

Or is it something that we should config on our end?? thanks a lot

[erikpetzold]

Hi @Dam14n

I think we don't have any native hints yet.

We have a branch for spring boot 3 support (https://github.com/codecentric/spring-boot-admin/tree/experimental/spring-boot-3-playground) and you can use our snapshot release by adding the snapshot repo: https://github.com/codecentric/spring-boot-admin#snapshot-builds

If you find something that should be added to SBA directly we would be happy if you file a Pull Request with the native hints against this branch.

Regards, Erik

[Dam14n]

Hi @erikpetzold,

Thanks for the fast reply!

I will give it a look and I will try to submit a PR this week.

Thanks!

[trcoelho]

Hi @Dam14n , am having same trouble!

What is being displayed is:

d.c.b.a.c.r.ApplicationRegistrator : Failed to register application as Application(name=rem-authentication-service, managementUrl=http://localhost:2100/actuator, healthUrl=http://localhost:2100/actuator/health, serviceUrl=http://localhost:2100/) at spring-boot-admin ([http://localhost:2100/admin/instances]): No HttpMessageConverter for de.codecentric.boot.admin.client.registration.Application and content type "application/json""

Am guessing that might be something with org.springframework.web.client.RestTemplate when it tries to register an application into server.

That is pretty weird since it only happened when we build a native image.

Do you have any additional configuration, as well as native hints that might help?

It should be considered if SBA is part of Spring Boot 3.0.0.

Am using https://mvnrepository.com/artifact/de.codecentric/spring-boot-admin-starter-client/3.0.0-M7 SBA client version btw.

Any updates @erikpetzold ?

Thank you.

[Dam14n]

Hi @trcoelho,

I didn't work on this again since I did the question due to I have other tasks with a higher priority.

It was only a POC what I did but for replicating the same you can follow these steps:

• Run your application with the native-image-agent:

SPRING_PROFILES_ACTIVE=dev,secure java -Dspring.aot.enabled=true \
    -agentlib:native-image-agent=config-output-dir=C:/Projects/spring-boot-admin/config/ \
    -jar build/libs/spring-boot-admin-0.0.1-SNAPSHOT.jar

• After that some files should be generated and you have to put them all in the resources folder

Just in case, as it was only a POC I didn't set up all the hints but if it works with the files generated by the agent you should be able to recreate the necessary hints.

Missing tests

• I dint try it with a k8s configuration

Considerations

• JVM memory information was not working due to it is native now (I mean the jvm.memory.max is not present, maybe some work can be done in order to make it work)
• Thread dump and heap dump were not working at that moment (It might be possible that there are new changes so I should test this again)

Related information to thread dump and heap dump:

• [GR-38579] Add support for ManagementFactory.getThreadMXBean().dumpAllThreads() oracle/graal#4714
• https://www.graalvm.org/22.3/reference-manual/native-image/guides/create-heap-dump/
• Allow ThreadDumpEndpoint to call ThreadMXBean in a native image spring-projects/spring-boot#31680

I hope to have some time to work on this again next month. Thankfully due to the release of Spring boot 3 now some stuff should be easier.

[bjorntj]

Hi.

I am having the same problem ("d.c.b.a.c.r.ApplicationRegistrator : Failed to register application as Application(name=rem-authentication-service, managementUrl=http://localhost:2100/actuator, healthUrl=http://localhost:2100/actuator/health, serviceUrl=http://localhost:2100/) at spring-boot-admin ([http://localhost:2100/admin/instances]): No HttpMessageConverter for de.codecentric.boot.admin.client.registration.Application and content type "application/json"")

Using the agent is not a solution, when I do this the build of my native image fails.

So just wondering which hint(s) are needed to make SBA work when running native?

[929541303]

Hi.
I im having another problem: could not find index template
`
org.thymeleaf.exceptions.TemplateInputException: Error resolving template [index], template might not exist or might not be accessible by any of the configured Template Resolvers
at org.thymeleaf.engine.TemplateManager.resolveTemplate(TemplateManager.java:869)
at org.thymeleaf.engine.TemplateManager.parseAndProcess(TemplateManager.java:607)
at org.thymeleaf.TemplateEngine.process(TemplateEngine.java:1103)
at org.thymeleaf.TemplateEngine.process(TemplateEngine.java:1077)
at org.thymeleaf.spring6.view.ThymeleafView.renderFragment(ThymeleafView.java:372)
at org.thymeleaf.spring6.view.ThymeleafView.render(ThymeleafView.java:192)
at org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1414)
at org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:1158)
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1097)
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:973)
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1011)
at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:903)
at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:705)
at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:885)
at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:814)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:223)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:158)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:185)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:158)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:110)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:185)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:158)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:110)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:185)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:158)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:110)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:185)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:158)
at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:691)
at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:441)
at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:367)
at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:295)
at de.codecentric.boot.admin.server.ui.web.servlet.HomepageForwardingFilter.doFilter(HomepageForwardingFilter.java:72)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:185)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:158)
at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:185)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:158)
at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:185)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:158)
at org.springframework.web.filter.ServerHttpObservationFilter.doFilterInternal(ServerHttpObservationFilter.java:109)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:185)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:158)
at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:185)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:158)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:177)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:97)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:542)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:119)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:78)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:357)
at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:400)
at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)
at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:859)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1734)
at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:52)
at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191)

`

[ulischulte]

@Dam14n,

the current snapshot (3.0.4-SNAPSHOT) now includes autoconfigurations with RuntimeHints for SBA client and server running as Spring Boot 3 native applications. You can find a running GraalVM SBA server sample (+ self registration as a client) right here: https://github.com/codecentric/spring-boot-admin/tree/master/spring-boot-admin-samples/spring-boot-admin-sample-servlet-graalvm
This should solve your problem. If you encounter any other issues regarding GraalVM native support, feel free to open a new issue.

Regards,
Uli

[929541303]

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