EmbeddedKafkaBroker Error with EmbeddedKafkaContextCustomizer.java:71 - spring

We used KafkaEmbedded with spring-kafka-test 2.1.4.RELEASE earlier.
While upgrading spring-kafka-test to 2.4.13.RELEASE, we required to move from KafkaEmbedded to EmbeddedKafkaBroker. This is giving below error. We are using EmbeddedKafka annotation and spring boot starter parent version is 2.0.0.RELEASE, spring-kafka version is 2.1.4.RELEASE.
Tried different versions of spring-kafka-test.
java.lang.NoClassDefFoundError: org/springframework/core/log/LogAccessor
at org.springframework.kafka.test.EmbeddedKafkaBroker.<clinit>(EmbeddedKafkaBroker.java:92)
at org.springframework.kafka.test.context.EmbeddedKafkaContextCustomizer.customizeContext(EmbeddedKafkaContextCustomizer.java:71)
at org.springframework.boot.test.context.SpringBootContextLoader$ContextCustomizerAdapter.initialize(SpringBootContextLoader.java:336)
at org.springframework.boot.SpringApplication.applyInitializers(SpringApplication.java:626)
at org.springframework.boot.SpringApplication.prepareContext(SpringApplication.java:366)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:325)
at org.springframework.boot.test.context.SpringBootContextLoader.loadContext(SpringBootContextLoader.java:138)
at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContextInternal(DefaultCacheAwareContextLoaderDelegate.java:99)
at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContext(DefaultCacheAwareContextLoaderDelegate.java:117)
at org.springframework.test.context.support.DefaultTestContext.getApplicationContext(DefaultTestContext.java:107)
at org.springframework.test.context.support.DependencyInjectionTestExecutionListener.injectDependencies(DependencyInjectionTestExecutionListener.java:117)
at org.springframework.test.context.support.DependencyInjectionTestExecutionListener.prepareTestInstance(DependencyInjectionTestExecutionListener.java:83)
at org.springframework.test.context.TestContextManager.prepareTestInstance(TestContextManager.java:242)
at org.springframework.test.context.testng.AbstractTestNGSpringContextTests.springTestContextPrepareTestInstance(AbstractTestNGSpringContextTests.java:145)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:85)
at org.testng.internal.Invoker.invokeConfigurationMethod(Invoker.java:510)
at org.testng.internal.Invoker.invokeConfigurations(Invoker.java:211)
at org.testng.internal.Invoker.invokeConfigurations(Invoker.java:138)
at org.testng.internal.TestMethodWorker.invokeBeforeClassMethods(TestMethodWorker.java:170)
at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:104)
at org.testng.TestRunner.privateRun(TestRunner.java:774)
at org.testng.TestRunner.run(TestRunner.java:624)
at org.testng.SuiteRunner.runTest(SuiteRunner.java:359)
at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:354)
at org.testng.SuiteRunner.privateRun(SuiteRunner.java:312)
at org.testng.SuiteRunner.run(SuiteRunner.java:261)
at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:52)
at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:86)
at org.testng.TestNG.runSuitesSequentially(TestNG.java:1215)
at org.testng.TestNG.runSuitesLocally(TestNG.java:1140)
at org.testng.TestNG.run(TestNG.java:1048)
at com.intellij.rt.testng.IDEARemoteTestNG.run(IDEARemoteTestNG.java:66)
at com.intellij.rt.testng.RemoteTestNGStarter.main(RemoteTestNGStarter.java:109)
Caused by: java.lang.ClassNotFoundException: org.springframework.core.log.LogAccessor
at java.net.URLClassLoader.findClass(URLClassLoader.java:382)
at java.lang.ClassLoader.loadClass(ClassLoader.java:418)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:352)
at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
37 more

Your versions are mis-matched. Boot 2.0.x and Spring for Apache Kafka 2.4.x are no longer supported, but 2.4.x requires Boot 2.2.x or later. See the matrix on the project page:
https://spring.io/projects/spring-kafka#overview
Also see
https://spring.io/projects/spring-kafka#support
and
https://spring.io/projects/spring-boot#support
The current (OSS) supported Boot versions are 2.7.x and 3.0.x, and Spring for Apache Kafka 2.9.x and 3.0.x.
You also must use the same version for spring-kafka and spring-kafka-test; they cannot be different.

Related

OGNL 3.3.3: not compatible with spring boot 2.7.2 because of thymeleaf?

I am doing an upgrade of all my dependencies of my spring-boot project but I cannot upgrade ognl dependency from version 3.1.12 (containing the vulnerability CVE-2020-15250) to the last version 3.3.3 because I use the process() function on org.thymeleaf.TemplateEngine and I have the following error if I try to force the version of ognl dependency to 3.3.3 in my pom.xml:
java.lang.NoClassDefFoundError: ognl/DefaultMemberAccess
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:756)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:468)
at java.net.URLClassLoader.access$100(URLClassLoader.java:74)
at java.net.URLClassLoader$1.run(URLClassLoader.java:369)
at java.net.URLClassLoader$1.run(URLClassLoader.java:363)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:362)
at java.lang.ClassLoader.loadClass(ClassLoader.java:418)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:352)
at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
at org.thymeleaf.standard.expression.OGNLVariableExpressionEvaluator.<clinit>(OGNLVariableExpressionEvaluator.java:76)
at org.thymeleaf.standard.StandardDialect.getVariableExpressionEvaluator(StandardDialect.java:179)
at org.thymeleaf.standard.StandardDialect.getExecutionAttributes(StandardDialect.java:393)
at org.thymeleaf.DialectSetConfiguration.build(DialectSetConfiguration.java:263)
at org.thymeleaf.EngineConfiguration.<init>(EngineConfiguration.java:123)
at org.thymeleaf.TemplateEngine.initialize(TemplateEngine.java:336)
at org.thymeleaf.TemplateEngine.process(TemplateEngine.java:1079)
at org.thymeleaf.TemplateEngine.process(TemplateEngine.java:1059)
at org.thymeleaf.TemplateEngine.process(TemplateEngine.java:1048)
It seems that in version 2.7.2 of spring-boot-starter-thymeleaf, the version 3.0.15.RELEASE of thymeleaf is used and this version try to use DefaultMemberAccess in ognl that is not available anymore after the version 3.2.1 of ognl according to what I saw.
I do not want to keep a dependency that have a vulnerability (ognl) but the version of thymeleaf in the last spring-boot version does not permit me to upgrade ognl because of that error.
Am I blocked for the upgrade or is it possible to do something please?
As #Andy Wilkinson said, the solution was to replace the new TemplateEngine() by new SpringTemplateEngine().
By doing that, OGNL seems to be useless because SpringTemplateEngine uses SpEL instead of OGNL if I understand.
Thank you for your help.

Prometheus not working after upgrading to Spring Boot Version 2

I was able to use Prometheus with the Spring Boot Version 2 before without any problem. After updating Spring Boot version to 2.1.1. Release I come across with the following error.
I upgraded Prometheus version from 0.2.0 to 0.6.0 but I still come across with the same error .
Do you think prometheus is not compatible with Spring Boot Version 2 ?
Regards
Error :
java.lang.IllegalStateException: Error processing condition on org.springframework.boot.autoconfigure.context.PropertyPlaceholderAutoConfiguration.propertySourcesPlaceholderConfigurer
at org.springframework.boot.autoconfigure.condition.SpringBootCondition.matches(SpringBootCondition.java:64)
at org.springframework.context.annotation.ConditionEvaluator.shouldSkip(ConditionEvaluator.java:108)
at org.springframework.context.annotation.ConfigurationClassBeanDefinitionReader.loadBeanDefinitionsForBeanMethod(ConfigurationClassBeanDefinitionReader.java:181)
at org.springframework.context.annotation.ConfigurationClassBeanDefinitionReader.loadBeanDefinitionsForConfigurationClass(ConfigurationClassBeanDefinitionReader.java:141)
at org.springframework.context.annotation.ConfigurationClassBeanDefinitionReader.loadBeanDefinitions(ConfigurationClassBeanDefinitionReader.java:117)
at org.springframework.context.annotation.ConfigurationClassPostProcessor.processConfigBeanDefinitions(ConfigurationClassPostProcessor.java:327)
at org.springframework.context.annotation.ConfigurationClassPostProcessor.postProcessBeanDefinitionRegistry(ConfigurationClassPostProcessor.java:232)
at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanDefinitionRegistryPostProcessors(PostProcessorRegistrationDelegate.java:275)
at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanFactoryPostProcessors(PostProcessorRegistrationDelegate.java:95)
at org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:691)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:528)
at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:142)
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:775)
at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:316)
at com.project.projectmine.Application.main(Application.java:26)
Caused by: java.lang.IllegalStateException: Failed to introspect Class [io.prometheus.client.spring.boot.PrometheusEndpointConfiguration] from ClassLoader [jdk.internal.loader.ClassLoaders$AppClassLoader#77556fd]
at org.springframework.util.ReflectionUtils.getDeclaredMethods(ReflectionUtils.java:686)
at org.springframework.util.ReflectionUtils.doWithMethods(ReflectionUtils.java:583)
at org.springframework.util.ReflectionUtils.doWithMethods(ReflectionUtils.java:568)
at org.springframework.util.ReflectionUtils.getUniqueDeclaredMethods(ReflectionUtils.java:626)
at java.base/java.util.concurrent.ConcurrentHashMap.computeIfAbsent(ConcurrentHashMap.java:1737)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.getTypeForFactoryMethod(AbstractAutowireCapableBeanFactory.java:721)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.determineTargetType(AbstractAutowireCapableBeanFactory.java:662)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.predictBeanType(AbstractAutowireCapableBeanFactory.java:630)
at org.springframework.beans.factory.support.AbstractBeanFactory.isFactoryBean(AbstractBeanFactory.java:1518)
at org.springframework.beans.factory.support.AbstractBeanFactory.isFactoryBean(AbstractBeanFactory.java:1023)
at org.springframework.boot.autoconfigure.condition.BeanTypeRegistry.addBeanTypeForNonAliasDefinition(BeanTypeRegistry.java:195)
at org.springframework.boot.autoconfigure.condition.BeanTypeRegistry.addBeanTypeForNonAliasDefinition(BeanTypeRegistry.java:159)
at org.springframework.boot.autoconfigure.condition.BeanTypeRegistry.addBeanType(BeanTypeRegistry.java:152)
at org.springframework.boot.autoconfigure.condition.BeanTypeRegistry.updateTypesIfNecessary(BeanTypeRegistry.java:140)
at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133)
at org.springframework.boot.autoconfigure.condition.BeanTypeRegistry.updateTypesIfNecessary(BeanTypeRegistry.java:135)
at org.springframework.boot.autoconfigure.condition.BeanTypeRegistry.getNamesForType(BeanTypeRegistry.java:97)
at org.springframework.boot.autoconfigure.condition.OnBeanCondition.collectBeanNamesForType(OnBeanCondition.java:298)
at org.springframework.boot.autoconfigure.condition.OnBeanCondition.getBeanNamesForType(OnBeanCondition.java:289)
at org.springframework.boot.autoconfigure.condition.OnBeanCondition.getBeanNamesForType(OnBeanCondition.java:278)
at org.springframework.boot.autoconfigure.condition.OnBeanCondition.getMatchingBeans(OnBeanCondition.java:189)
at org.springframework.boot.autoconfigure.condition.OnBeanCondition.getMatchOutcome(OnBeanCondition.java:160)
at org.springframework.boot.autoconfigure.condition.SpringBootCondition.matches(SpringBootCondition.java:47)
... 15 common frames omitted
Caused by: java.lang.NoClassDefFoundError: org/springframework/boot/actuate/endpoint/AbstractEndpoint
at java.base/java.lang.ClassLoader.defineClass1(Native Method)
at java.base/java.lang.ClassLoader.defineClass(ClassLoader.java:1016)
at java.base/java.security.SecureClassLoader.defineClass(SecureClassLoader.java:174)
at java.base/jdk.internal.loader.BuiltinClassLoader.defineClass(BuiltinClassLoader.java:802)
at java.base/jdk.internal.loader.BuiltinClassLoader.findClassOnClassPathOrNull(BuiltinClassLoader.java:700)
at java.base/jdk.internal.loader.BuiltinClassLoader.loadClassOrNull(BuiltinClassLoader.java:623)
at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:581)
at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:178)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:521)
at java.base/java.lang.Class.getDeclaredMethods0(Native Method)
at java.base/java.lang.Class.privateGetDeclaredMethods(Class.java:3167)
at java.base/java.lang.Class.getDeclaredMethods(Class.java:2310)
at org.springframework.util.ReflectionUtils.getDeclaredMethods(ReflectionUtils.java:668)
... 37 common frames omitted
Caused by: java.lang.ClassNotFoundException: org.springframework.boot.actuate.endpoint.AbstractEndpoint
at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:583)
at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:178)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:521)
... 50 common frames omitted
Instead of using the io.prometheus dependencies in your project try to use micrometer dependency which will handle the prometheus endpoint creation in your spring boot application as the support for prometheus is inbuilt in Spring Boot from version 2.X
As it seems simpleclient_springis still referring to Spring Boot 1.5.
You should be using the Prometheus support from Micrometer - the backing library for actuator metrics - directly in your Spring Boot 2 application. See here.
You must include micrometer-registry-prometheus to enable the prometheus backend.

NoClassDefFoundError : ConfigurationPropertySources

Since yesterday we have a problem on our spring boot project after clean install without change nothing of configuration of the maven files, libs or something else.
We did try to update version of pom's of SpringFrameWork and Spring boot to 1.5.4.Release.
The error that is show is:
Exception in thread "main" java.lang.NoClassDefFoundError: org/springframework/boot/context/properties/source/ConfigurationPropertySources
at org.springframework.cloud.client.HostInfoEnvironmentPostProcessor.getFirstNonLoopbackHostInfo(HostInfoEnvironmentPostProcessor.java:46)
at org.springframework.cloud.client.HostInfoEnvironmentPostProcessor.postProcessEnvironment(HostInfoEnvironmentPostProcessor.java:35)
at org.springframework.boot.context.config.ConfigFileApplicationListener.onApplicationEnvironmentPreparedEvent(ConfigFileApplicationListener.java:168)
at org.springframework.boot.context.config.ConfigFileApplicationListener.onApplicationEvent(ConfigFileApplicationListener.java:154)
at org.springframework.context.event.SimpleApplicationEventMulticaster.invokeListener(SimpleApplicationEventMulticaster.java:166)
at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:138)
at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:121)
at org.springframework.boot.context.event.EventPublishingRunListener.environmentPrepared(EventPublishingRunListener.java:68)
at org.springframework.boot.SpringApplicationRunListeners.environmentPrepared(SpringApplicationRunListeners.java:54)
at org.springframework.boot.SpringApplication.prepareEnvironment(SpringApplication.java:337)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:308)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1186)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1175)
at br.com.ibliss.auth.app.AuthServerApplication.main(AuthServerApplication.java:216)
Caused by: java.lang.ClassNotFoundException: org.springframework.boot.context.properties.source.ConfigurationPropertySources
at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
... 14 more
According to ConfigurationPropertySources source, this class is around from version 2.0.0
Provides access to {#link ConfigurationPropertySource ConfigurationPropertySources}.
#author Phillip Webb
#since 2.0.0
You probably did not upgrade your spring boot version but actually downgrade.

Spring Cloud Config Client - Angel.SR4 vs Boot 1.3.1?

All,
I've built Spring Cloud Config servers and clients before with previous versions of Spring Cloud / Spring Boot, but I seem to be having an issue with the Angel.SR4 / Boot 1.3.1 combination.
Following the basic instructions here (http://projects.spring.io/spring-cloud/docs/1.0.3/spring-cloud.html#_client_side_usage), except using the current releases of Boot and Cloud (1.3.1.RELEASE / Angel.SR4 at present), I get the following stack trace:
Exception in thread "main" java.lang.IllegalArgumentException: Cannot instantiate interface org.springframework.context.ApplicationListener : org.springframework.boot.logging.ClasspathLoggingApplicationListener
at org.springframework.boot.SpringApplication.createSpringFactoriesInstances(SpringApplication.java:412)
at org.springframework.boot.SpringApplication.getSpringFactoriesInstances(SpringApplication.java:392)
at org.springframework.boot.SpringApplication.getSpringFactoriesInstances(SpringApplication.java:383)
at org.springframework.boot.SpringApplication.initialize(SpringApplication.java:263)
at org.springframework.boot.SpringApplication.<init>(SpringApplication.java:237)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1124)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1113)
at demo.Application.main(Application.java:10)
Caused by: java.lang.NoClassDefFoundError: org/springframework/context/event/GenericApplicationListener
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:760)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:455)
at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
at java.net.URLClassLoader$1.run(URLClassLoader.java:367)
at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:360)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
at org.springframework.util.ClassUtils.forName(ClassUtils.java:250)
at org.springframework.boot.SpringApplication.createSpringFactoriesInstances(SpringApplication.java:405)
... 7 more
Caused by: java.lang.ClassNotFoundException: org.springframework.context.event.GenericApplicationListener
at java.net.URLClassLoader$1.run(URLClassLoader.java:372)
at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:360)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
... 21 more
If I back off the Boot version to 1.2.8 the problem disappears. If I move Cloud up to Brixton.M4 the problem disappears. Is there a prescribed version combination of Boot / Cloud that should be used together? Thanks in advance.
K
Is there a prescribed version combination of Boot / Cloud that should be used together?
Yes. Angel is Boot 1.2, and Brixton is Boot 1.3. See the blog for more detail: https://spring.io/blog/2015/11/25/migrating-spring-cloud-apps-from-spring-boot-1-2-to-1-3

Spring Boot Using No Longer Supported Version Of BouncyCastle (through CrashHub)

Spring boot is using an older version of CrashHub (crashub.version in POM) that uses an old version of bouncycastle that using the class PemReader. This conflicts with the latest version of bouncycastle I am using in my application. Can you update Spring Boot or is there a work around I can do. Right now I get the exception below when I try to ssh into my application:
java.lang.NoClassDefFoundError: org/bouncycastle/openssl/PEMReader
at org.crsh.ssh.term.URLKeyPairProvider.loadKeys(URLKeyPairProvider.java:54)
at org.apache.sshd.common.keyprovider.AbstractKeyPairProvider.getKeyTypes(AbstractKeyPairProvider.java:53)
at org.apache.sshd.server.session.ServerSession.sendKexInit(ServerSession.java:127)
at org.apache.sshd.server.session.ServerSession.<init>(ServerSession.java:60)
at org.apache.sshd.server.session.SessionFactory.doCreateSession(SessionFactory.java:43)
at org.apache.sshd.common.session.AbstractSessionFactory.createSession(AbstractSessionFactory.java:38)
at org.apache.sshd.common.AbstractSessionIoHandler.sessionCreated(AbstractSessionIoHandler.java:36)
at org.apache.sshd.common.io.nio2.Nio2Acceptor$AcceptCompletionHandler.completed(Nio2Acceptor.java:128)
at org.apache.sshd.common.io.nio2.Nio2Acceptor$AcceptCompletionHandler.completed(Nio2Acceptor.java:109)
at sun.nio.ch.Invoker.invokeUnchecked(Invoker.java:126)
at sun.nio.ch.Invoker$2.run(Invoker.java:218)
at sun.nio.ch.AsynchronousChannelGroupImpl$1.run(AsynchronousChannelGroupImpl.java:112)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.ClassNotFoundException: org.bouncycastle.openssl.PEMReader
at java.net.URLClassLoader$1.run(URLClassLoader.java:372)
at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:360)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at org.springframework.boot.loader.LaunchedURLClassLoader.doLoadClass(LaunchedURLClassLoader.java:170)
at org.springframework.boot.loader.LaunchedURLClassLoader.loadClass(LaunchedURLClassLoader.java:136)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
... 15 common frames omitted
1.3.0 is the latest version of Crashub and that's the version that Spring Boot supports so there's nothing that can be done on the Spring Boot side of things. Assuming that you don't want to downgrade your Bouncycastle dependency, your only easy choice is to stop using Crashub.
A more involved alternative would be to fork Crashub and make the changes necessary for it to work with your desired version of Bouncycastle.

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