suchorski / springboot-keycloak-server

Embeded Keycloak on Spring Boot Server

Thiago Suchorski

• I'm currently developing in Java with Spring framework for back-end and NuxtJS for the front-end;
• Living in Lagoa Santa - MG;
• And always learning new things.

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springboot-keycloak-server's Issues

Upgrade Keycloak version to 22.0.0

can we upgrading Keycloak to version 22.0.0 and Spring Boot to version 3.1.1

Got problem with try with version 19

Hi suchorski,

Just find out your repository work with newer Keycloak version. But I got some problem when I try configuring the Keycloak version 19.0.0.

Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.
2022-11-21 10:41:59.284 ERROR 21708 --- [           main] o.s.boot.SpringApplication               : Application run failed

org.springframework.context.ApplicationContextException: Failed to start bean 'webServerStartStop'; nested exception is org.springframework.boot.web.server.WebServerException: Unable to start embedded Tomcat server
	at org.springframework.context.support.DefaultLifecycleProcessor.doStart(DefaultLifecycleProcessor.java:181) ~[spring-context-5.3.23.jar:5.3.23]
	at org.springframework.context.support.DefaultLifecycleProcessor.access$200(DefaultLifecycleProcessor.java:54) ~[spring-context-5.3.23.jar:5.3.23]
	at org.springframework.context.support.DefaultLifecycleProcessor$LifecycleGroup.start(DefaultLifecycleProcessor.java:356) ~[spring-context-5.3.23.jar:5.3.23]
	at java.base/java.lang.Iterable.forEach(Iterable.java:75) ~[na:na]
	at org.springframework.context.support.DefaultLifecycleProcessor.startBeans(DefaultLifecycleProcessor.java:155) ~[spring-context-5.3.23.jar:5.3.23]
	at org.springframework.context.support.DefaultLifecycleProcessor.onRefresh(DefaultLifecycleProcessor.java:123) ~[spring-context-5.3.23.jar:5.3.23]
	at org.springframework.context.support.AbstractApplicationContext.finishRefresh(AbstractApplicationContext.java:935) ~[spring-context-5.3.23.jar:5.3.23]
	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:586) ~[spring-context-5.3.23.jar:5.3.23]
	at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:147) ~[spring-boot-2.7.5.jar:2.7.5]
	at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:734) ~[spring-boot-2.7.5.jar:2.7.5]
	at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:408) ~[spring-boot-2.7.5.jar:2.7.5]
	at org.springframework.boot.SpringApplication.run(SpringApplication.java:308) ~[spring-boot-2.7.5.jar:2.7.5]
	at org.springframework.boot.SpringApplication.run(SpringApplication.java:1306) ~[spring-boot-2.7.5.jar:2.7.5]
	at org.springframework.boot.SpringApplication.run(SpringApplication.java:1295) ~[spring-boot-2.7.5.jar:2.7.5]
	at com.suchorski.server.SpringbootKeycloakServerApplication.main(SpringbootKeycloakServerApplication.java:27) ~[classes/:na]
Caused by: org.springframework.boot.web.server.WebServerException: Unable to start embedded Tomcat server
	at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.start(TomcatWebServer.java:229) ~[spring-boot-2.7.5.jar:2.7.5]
	at org.springframework.boot.web.servlet.context.WebServerStartStopLifecycle.start(WebServerStartStopLifecycle.java:43) ~[spring-boot-2.7.5.jar:2.7.5]
	at org.springframework.context.support.DefaultLifecycleProcessor.doStart(DefaultLifecycleProcessor.java:178) ~[spring-context-5.3.23.jar:5.3.23]
	... 14 common frames omitted
Caused by: org.springframework.boot.web.server.WebServerException: Servlet [httpServlet30Dispatcher] in web application [] threw load() exception
	at org.springframework.boot.web.embedded.tomcat.TomcatEmbeddedContext.load(TomcatEmbeddedContext.java:86) ~[spring-boot-2.7.5.jar:2.7.5]
	at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) ~[na:na]
	at java.base/java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1625) ~[na:na]
	at java.base/java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:762) ~[na:na]
	at java.base/java.util.stream.ReferencePipeline$7$1.accept(ReferencePipeline.java:276) ~[na:na]
	at java.base/java.util.TreeMap$ValueSpliterator.forEachRemaining(TreeMap.java:3215) ~[na:na]
	at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509) ~[na:na]
	at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499) ~[na:na]
	at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) ~[na:na]
	at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) ~[na:na]
	at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) ~[na:na]
	at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:596) ~[na:na]
	at org.springframework.boot.web.embedded.tomcat.TomcatEmbeddedContext.lambda$deferredLoadOnStartup$0(TomcatEmbeddedContext.java:64) ~[spring-boot-2.7.5.jar:2.7.5]
	at org.springframework.boot.web.embedded.tomcat.TomcatEmbeddedContext.doWithThreadContextClassLoader(TomcatEmbeddedContext.java:105) ~[spring-boot-2.7.5.jar:2.7.5]
	at org.springframework.boot.web.embedded.tomcat.TomcatEmbeddedContext.deferredLoadOnStartup(TomcatEmbeddedContext.java:63) ~[spring-boot-2.7.5.jar:2.7.5]
	at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.performDeferredLoadOnStartup(TomcatWebServer.java:305) ~[spring-boot-2.7.5.jar:2.7.5]
	at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.start(TomcatWebServer.java:216) ~[spring-boot-2.7.5.jar:2.7.5]
	... 16 common frames omitted
Caused by: javax.servlet.ServletException: Servlet.init() for servlet [httpServlet30Dispatcher] threw exception
	at org.apache.catalina.core.StandardWrapper.initServlet(StandardWrapper.java:1181) ~[tomcat-embed-core-9.0.68.jar:9.0.68]
	at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:1013) ~[tomcat-embed-core-9.0.68.jar:9.0.68]
	at org.springframework.boot.web.embedded.tomcat.TomcatEmbeddedContext.load(TomcatEmbeddedContext.java:81) ~[spring-boot-2.7.5.jar:2.7.5]
	... 32 common frames omitted
Caused by: java.lang.RuntimeException: RESTEASY003325: Failed to construct public com.suchorski.server.keycloak.App()
	at org.jboss.resteasy.core.ConstructorInjectorImpl.constructOutsideRequest(ConstructorInjectorImpl.java:250) ~[resteasy-core-4.7.4.Final.jar:4.7.4.Final]
	at org.jboss.resteasy.core.ConstructorInjectorImpl.construct(ConstructorInjectorImpl.java:209) ~[resteasy-core-4.7.4.Final.jar:4.7.4.Final]
	at org.jboss.resteasy.core.providerfactory.Utils.createProviderInstance(Utils.java:102) ~[resteasy-core-4.7.4.Final.jar:4.7.4.Final]
	at org.jboss.resteasy.core.providerfactory.ResteasyProviderFactoryImpl.createProviderInstance(ResteasyProviderFactoryImpl.java:1385) ~[resteasy-core-4.7.4.Final.jar:4.7.4.Final]
	at org.jboss.resteasy.core.ResteasyDeploymentImpl.createApplication(ResteasyDeploymentImpl.java:418) ~[resteasy-core-4.7.4.Final.jar:4.7.4.Final]
	at org.jboss.resteasy.core.ResteasyDeploymentImpl.initializeObjects(ResteasyDeploymentImpl.java:265) ~[resteasy-core-4.7.4.Final.jar:4.7.4.Final]
	at org.jboss.resteasy.core.ResteasyDeploymentImpl.startInternal(ResteasyDeploymentImpl.java:137) ~[resteasy-core-4.7.4.Final.jar:4.7.4.Final]
	at org.jboss.resteasy.core.ResteasyDeploymentImpl.start(ResteasyDeploymentImpl.java:121) ~[resteasy-core-4.7.4.Final.jar:4.7.4.Final]
	at org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.init(ServletContainerDispatcher.java:144) ~[resteasy-core-4.7.4.Final.jar:4.7.4.Final]
	at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.init(HttpServletDispatcher.java:42) ~[resteasy-core-4.7.4.Final.jar:4.7.4.Final]
	at org.apache.catalina.core.StandardWrapper.initServlet(StandardWrapper.java:1164) ~[tomcat-embed-core-9.0.68.jar:9.0.68]
	... 34 common frames omitted
Caused by: java.lang.RuntimeException: java.util.ServiceConfigurationError: org.keycloak.authentication.FormActionFactory: org.keycloak.authentication.forms.RegistrationRecaptcha Unable to get public no-arg constructor
	at com.suchorski.server.keycloak.providers.SimplePlatformProvider.exit(SimplePlatformProvider.java:27) ~[classes/:na]
	at org.keycloak.services.resources.KeycloakApplication.<init>(KeycloakApplication.java:119) ~[keycloak-services-19.0.0.jar:19.0.0]
	at com.suchorski.server.keycloak.App.<init>(App.java:17) ~[classes/:na]
	at java.base/jdk.internal.reflect.DirectConstructorHandleAccessor.newInstance(DirectConstructorHandleAccessor.java:67) ~[na:na]
	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:500) ~[na:na]
	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:484) ~[na:na]
	at org.jboss.resteasy.core.ConstructorInjectorImpl.constructOutsideRequest(ConstructorInjectorImpl.java:225) ~[resteasy-core-4.7.4.Final.jar:4.7.4.Final]
	... 44 common frames omitted
Caused by: java.util.ServiceConfigurationError: org.keycloak.authentication.FormActionFactory: org.keycloak.authentication.forms.RegistrationRecaptcha Unable to get public no-arg constructor
	at java.base/java.util.ServiceLoader.fail(ServiceLoader.java:586) ~[na:na]
	at java.base/java.util.ServiceLoader.getConstructor(ServiceLoader.java:679) ~[na:na]
	at java.base/java.util.ServiceLoader$LazyClassPathLookupIterator.hasNextService(ServiceLoader.java:1240) ~[na:na]
	at java.base/java.util.ServiceLoader$LazyClassPathLookupIterator.hasNext(ServiceLoader.java:1273) ~[na:na]
	at java.base/java.util.ServiceLoader$2.hasNext(ServiceLoader.java:1309) ~[na:na]
	at java.base/java.util.ServiceLoader$3.hasNext(ServiceLoader.java:1393) ~[na:na]
	at org.keycloak.provider.DefaultProviderLoader.load(DefaultProviderLoader.java:60) ~[keycloak-services-19.0.0.jar:19.0.0]
	at org.keycloak.provider.ProviderManager.load(ProviderManager.java:94) ~[keycloak-services-19.0.0.jar:19.0.0]
	at org.keycloak.services.DefaultKeycloakSessionFactory.loadFactories(DefaultKeycloakSessionFactory.java:294) ~[keycloak-services-19.0.0.jar:19.0.0]
	at org.keycloak.services.DefaultKeycloakSessionFactory.init(DefaultKeycloakSessionFactory.java:106) ~[keycloak-services-19.0.0.jar:19.0.0]
	at org.keycloak.services.resources.KeycloakApplication.createSessionFactory(KeycloakApplication.java:232) ~[keycloak-services-19.0.0.jar:19.0.0]
	at org.keycloak.services.resources.KeycloakApplication.startup(KeycloakApplication.java:125) ~[keycloak-services-19.0.0.jar:19.0.0]
	at com.suchorski.server.keycloak.providers.SimplePlatformProvider.onStartup(SimplePlatformProvider.java:19) ~[classes/:na]
	at org.keycloak.services.resources.KeycloakApplication.<init>(KeycloakApplication.java:115) ~[keycloak-services-19.0.0.jar:19.0.0]
	... 49 common frames omitted
Caused by: java.lang.NoClassDefFoundError: org/apache/http/HttpEntity
	at java.base/java.lang.Class.getDeclaredConstructors0(Native Method) ~[na:na]
	at java.base/java.lang.Class.privateGetDeclaredConstructors(Class.java:3429) ~[na:na]
	at java.base/java.lang.Class.getConstructor0(Class.java:3634) ~[na:na]
	at java.base/java.lang.Class.getConstructor(Class.java:2324) ~[na:na]
	at java.base/java.util.ServiceLoader$1.run(ServiceLoader.java:666) ~[na:na]
	at java.base/java.util.ServiceLoader$1.run(ServiceLoader.java:663) ~[na:na]
	at java.base/java.security.AccessController.doPrivileged(AccessController.java:569) ~[na:na]
	at java.base/java.util.ServiceLoader.getConstructor(ServiceLoader.java:674) ~[na:na]
	... 61 common frames omitted
Caused by: java.lang.ClassNotFoundException: org.apache.http.HttpEntity
	at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:641) ~[na:na]
	at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:188) ~[na:na]
	at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:521) ~[na:na]
	... 69 common frames omitted

Process finished with exit code 1

Do you have any idea about this problem?

Settings don't persist after restart

I'm trying out your latest build. It starts up fine and appears to operate fine. However, when I activated "Direct access grants" and added another valid redirect, they saved and appeared to work, but after I restarted the program, the two settings changed, reverted back to the default

Planned compatibility Spring Boot3.0?