9:14 a.m.
Hi,
I am trying to extend an event listener and the example one works fine, which just prints
out every event.
However I want to do something more complicated than that. So I added two more dependency
on top of keycloak dependencies:
com.codahale.metrics:metrics-core and com.readytalk:metrics3-statsd
In my IDE I was able to develop fine, then maven packages it fine. I package it by
including all the dependencies (so JAR file is like 6 MB), otherwise it won’t have the
dependencies (I have tried that and it complained at the runtime saying it doesn’t have
the class).
Then I start the keycloak service, it starts fine. I get an exception throw like below
when I initially use the service (which is when the first event trigger happens):
07:10:01,453 ERROR [io.undertow.request] (default task-6) UT005023: Exception handling
request to /auth/realms/master/protocol/openid-connect/auth:
org.jboss.resteasy.spi.UnhandledException: java.lang.NoClassDefFoundError:
sun/misc/Unsafe
at
org.jboss.resteasy.core.ExceptionHandler.handleApplicationException(ExceptionHandler.java:76)
at
org.jboss.resteasy.core.ExceptionHandler.handleException(ExceptionHandler.java:212)
at
org.jboss.resteasy.core.SynchronousDispatcher.writeException(SynchronousDispatcher.java:168)
at
org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:411)
at
org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:202)
at
org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:221)
at
org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:56)
at
org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:51)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
at
io.undertow.servlet.handlers.ServletHandler.handleRequest(ServletHandler.java:85)
at
io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:129)
at
org.keycloak.services.filters.KeycloakSessionServletFilter.doFilter(KeycloakSessionServletFilter.java:88)
at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:60)
at
io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131)
at
io.undertow.servlet.handlers.FilterHandler.handleRequest(FilterHandler.java:84)
at
io.undertow.servlet.handlers.security.ServletSecurityRoleHandler.handleRequest(ServletSecurityRoleHandler.java:62)
at
io.undertow.servlet.handlers.ServletDispatchingHandler.handleRequest(ServletDispatchingHandler.java:36)
at
org.wildfly.extension.undertow.security.SecurityContextAssociationHandler.handleRequest(SecurityContextAssociationHandler.java:78)
at
io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
at
io.undertow.servlet.handlers.security.SSLInformationAssociationHandler.handleRequest(SSLInformationAssociationHandler.java:131)
at
io.undertow.servlet.handlers.security.ServletAuthenticationCallHandler.handleRequest(ServletAuthenticationCallHandler.java:57)
at
io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
at
io.undertow.security.handlers.AbstractConfidentialityHandler.handleRequest(AbstractConfidentialityHandler.java:46)
at
io.undertow.servlet.handlers.security.ServletConfidentialityConstraintHandler.handleRequest(ServletConfidentialityConstraintHandler.java:64)
at
io.undertow.security.handlers.AuthenticationMechanismsHandler.handleRequest(AuthenticationMechanismsHandler.java:60)
at
io.undertow.servlet.handlers.security.CachedAuthenticatedSessionHandler.handleRequest(CachedAuthenticatedSessionHandler.java:77)
at
io.undertow.security.handlers.NotificationReceiverHandler.handleRequest(NotificationReceiverHandler.java:50)
at
io.undertow.security.handlers.AbstractSecurityContextAssociationHandler.handleRequest(AbstractSecurityContextAssociationHandler.java:43)
at
io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
at
org.wildfly.extension.undertow.security.jacc.JACCContextIdHandler.handleRequest(JACCContextIdHandler.java:61)
at
io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
at
io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
at
io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(ServletInitialHandler.java:284)
at
io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:263)
at
io.undertow.servlet.handlers.ServletInitialHandler.access$000(ServletInitialHandler.java:81)
at
io.undertow.servlet.handlers.ServletInitialHandler$1.handleRequest(ServletInitialHandler.java:174)
at io.undertow.server.Connectors.executeRootHandler(Connectors.java:202)
at io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:793)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.NoClassDefFoundError: sun/misc/Unsafe
at com.codahale.metrics.Striped64.getUnsafe(Striped64.java:330)
at com.codahale.metrics.Striped64.<clinit>(Striped64.java:311)
at com.codahale.metrics.EWMA.<init>(EWMA.java:29)
at com.codahale.metrics.EWMA.oneMinuteEWMA(EWMA.java:39)
at com.codahale.metrics.Meter.<init>(Meter.java:15)
at com.codahale.metrics.Meter.<init>(Meter.java:28)
at
com.codahale.metrics.MetricRegistry$MetricBuilder$3.newMetric(MetricRegistry.java:426)
at
com.codahale.metrics.MetricRegistry$MetricBuilder$3.newMetric(MetricRegistry.java:423)
at com.codahale.metrics.MetricRegistry.getOrAdd(MetricRegistry.java:313)
at com.codahale.metrics.MetricRegistry.meter(MetricRegistry.java:134)
at
com.expedia.keycloak.spi.providers.events.SysoutEventListenerProvider.<init>(SysoutEventListenerProvider.java:22)
at
com.expedia.keycloak.spi.providers.events.SysoutEventListenerProviderFactory.create(SysoutEventListenerProviderFactory.java:23)
at
com.expedia.keycloak.spi.providers.events.SysoutEventListenerProviderFactory.create(SysoutEventListenerProviderFactory.java:16)
at
org.keycloak.services.DefaultKeycloakSession.getProvider(DefaultKeycloakSession.java:115)
at sun.reflect.GeneratedMethodAccessor27.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at
org.jboss.resteasy.core.ContextParameterInjector$GenericDelegatingProxy.invoke(ContextParameterInjector.java:56)
at com.sun.proxy.$Proxy81.getProvider(Unknown Source)
at org.keycloak.events.EventBuilder.<init>(EventBuilder.java:62)
at
org.keycloak.services.resources.RealmsResource.getProtocol(RealmsResource.java:98)
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.jboss.resteasy.core.ResourceLocatorInvoker.createResource(ResourceLocatorInvoker.java:79)
at
org.jboss.resteasy.core.ResourceLocatorInvoker.createResource(ResourceLocatorInvoker.java:58)
at
org.jboss.resteasy.core.ResourceLocatorInvoker.invoke(ResourceLocatorInvoker.java:100)
at
org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:395)
... 37 more
Caused by: java.lang.ClassNotFoundException: sun.misc.Unsafe
at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
... 66 more
I don’t know what could be wrong. When I googled the java.lang.NoClassDefFoundError with
Keycloak I found that there was an error with Facebook integration. So I am wondering
whether this is something similar and a bug with Keycloak? If not then what have I
missed?
Kind Regards,
Sarp Kaya