Re: [Apiman-user] How to set apiman logging (NullPointerException when using Log4j2LoggerFactory)

Hi Eric, Thanks for the answer. The package/class name was copied from http://www.apiman.io/latest/developer-guide.html section 4.2.2.2 I have changed it and now I got following response: {"responseCode":500,"message":"org/apache/logging/log4j/LogManager","trace":"java.lang.NoClassDefFoundError: org/apache/logging/log4j/LogManager\n\tat io.apiman.common.logging.slf4j.Log4j2LoggerFactory.createLogger(Log4j2LoggerFactory.java:35)\n\tat io.apiman.gateway.engine.policy.PolicyContextImpl.getLogger(PolicyContextImpl.java:115)\n\tat io.apiman.plugins.log_policy.LogHeadersPolicy.doApply(LogHeadersPolicy.java:75)\n\tat io.apiman.plugins.log_policy.LogHeadersPolicy.doApply(LogHeadersPolicy.java:36)\n\tat io.apiman.gateway.engine.policies.AbstractMappedPolicy.apply(AbstractMappedPolicy.java:70)\n\tat io.apiman.gateway.engine.policy.RequestChain.applyPolicy(RequestChain.java:68)\n\tat io.apiman.gateway.engine.policy.Chain.doApply(Chain.java:148)\n\tat io.apiman.gateway.engine.policies.RateLimitingPolicy$1.handle(RateLimitingPolicy.java:104)\n\tat io.apiman.gateway.engine.policies.RateLimitingPolicy$1.handle(RateLimitingPolicy.java:91)\n\tat io.apiman.gateway.engine.es.ESRateLimiterComponent.updateBucketAndReturn(ESRateLimiterComponent.java:115)\n\tat io.apiman.gateway.engine.es.ESRateLimiterComponent.accept(ESRateLimiterComponent.java:83)\n\tat io.apiman.gateway.engine.policies.RateLimitingPolicy.doApply(RateLimitingPolicy.java:91)\n\tat io.apiman.gateway.engine.policies.RateLimitingPolicy.doApply(RateLimitingPolicy.java:45)\n\tat io.apiman.gateway.engine.policies.AbstractMappedPolicy.apply(AbstractMappedPolicy.java:70)\n\tat io.apiman.gateway.engine.policy.RequestChain.applyPolicy(RequestChain.java:68)\n\tat io.apiman.gateway.engine.policy.Chain.doApply(Chain.java:148)\n\tat io.apiman.gateway.engine.policies.BasicAuthenticationPolicy.doApply(BasicAuthenticationPolicy.java:80)\n\tat io.apiman.gateway.engine.policies.BasicAuthenticationPolicy.doApply(BasicAuthenticationPolicy.java:45)\n\tat io.apiman.gateway.engine.policies.AbstractMappedPolicy.apply(AbstractMappedPolicy.java:70)\n\tat io.apiman.gateway.engine.policy.RequestChain.applyPolicy(RequestChain.java:68)\n\tat io.apiman.gateway.engine.policy.Chain.doApply(Chain.java:148)\n\tat io.apiman.gateway.engine.impl.ApiRequestExecutorImpl.lambda$execute$4(ApiRequestExecutorImpl.java:271)\n\tat io.apiman.gateway.engine.impl.ApiRequestExecutorImpl$$Lambda$110/1594790599.handle(Unknown Source)\n\tat io.apiman.gateway.engine.impl.ApiRequestExecutorImpl.lambda$loadPolicies$7(ApiRequestExecutorImpl.java:631)\n\tat io.apiman.gateway.engine.impl.ApiRequestExecutorImpl$$Lambda$112/863872294.handle(Unknown Source)\n\tat io.apiman.gateway.engine.policy.PolicyFactoryImpl$1.handle(PolicyFactoryImpl.java:192)\n\tat io.apiman.gateway.engine.policy.PolicyFactoryImpl$1.handle(PolicyFactoryImpl.java:170)\n\tat io.apiman.gateway.engine.impl.DefaultPluginRegistry.lambda$loadPlugin$18(DefaultPluginRegistry.java:185)\n\tat io.apiman.gateway.engine.impl.DefaultPluginRegistry$$Lambda$113/366500518.handle(Unknown Source)\n\tat io.apiman.gateway.engine.impl.DefaultPluginRegistry.loadPlugin(DefaultPluginRegistry.java:234)\n\tat io.apiman.gateway.engine.policy.PolicyFactoryImpl.doLoadFromPlugin(PolicyFactoryImpl.java:170)\n\tat io.apiman.gateway.engine.policy.PolicyFactoryImpl.loadPolicy(PolicyFactoryImpl.java:109)\n\tat io.apiman.gateway.engine.impl.ApiRequestExecutorImpl.loadPolicies(ApiRequestExecutorImpl.java:603)\n\tat io.apiman.gateway.engine.impl.ApiRequestExecutorImpl.lambda$execute$6(ApiRequestExecutorImpl.java:391)\n\tat io.apiman.gateway.engine.impl.ApiRequestExecutorImpl$$Lambda$111/1559374006.handle(Unknown Source)\n\tat io.apiman.gateway.engine.impl.SecureRegistryWrapper$3.handle(SecureRegistryWrapper.java:172)\n\tat io.apiman.gateway.engine.impl.SecureRegistryWrapper$3.handle(SecureRegistryWrapper.java:154)\n\tat io.apiman.gateway.engine.es.CachingESRegistry.getContract(CachingESRegistry.java:101)\n\tat io.apiman.gateway.engine.impl.SecureRegistryWrapper.getContract(SecureRegistryWrapper.java:154)\n\tat io.apiman.gateway.engine.impl.ApiRequestExecutorImpl.execute(ApiRequestExecutorImpl.java:357)\n\tat io.apiman.gateway.platforms.servlet.GatewayServlet.doAction(GatewayServlet.java:179)\n\tat io.apiman.gateway.platforms.servlet.GatewayServlet.service(GatewayServlet.java:79)\n\tat javax.servlet.http.HttpServlet.service(HttpServlet.java:790)\n\tat io.undertow.servlet.handlers.ServletHandler.handleRequest(ServletHandler.java:85)\n\tat io.undertow.servlet.handlers.security.ServletSecurityRoleHandler.handleRequest(ServletSecurityRoleHandler.java:62)\n\tat io.undertow.servlet.handlers.ServletDispatchingHandler.handleRequest(ServletDispatchingHandler.java:36)\n\tat org.wildfly.extension.undertow.security.SecurityContextAssociationHandler.handleRequest(SecurityContextAssociationHandler.java:78)\n\tat io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)\n\tat io.undertow.servlet.handlers.security.SSLInformationAssociationHandler.handleRequest(SSLInformationAssociationHandler.java:131)\n\tat io.undertow.servlet.handlers.security.ServletAuthenticationCallHandler.handleRequest(ServletAuthenticationCallHandler.java:57)\n\tat io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)\n\tat io.undertow.security.handlers.AbstractConfidentialityHandler.handleRequest(AbstractConfidentialityHandler.java:46)\n\tat io.undertow.servlet.handlers.security.ServletConfidentialityConstraintHandler.handleRequest(ServletConfidentialityConstraintHandler.java:64)\n\tat io.undertow.security.handlers.AuthenticationMechanismsHandler.handleRequest(AuthenticationMechanismsHandler.java:60)\n\tat io.undertow.servlet.handlers.security.CachedAuthenticatedSessionHandler.handleRequest(CachedAuthenticatedSessionHandler.java:77)\n\tat io.undertow.security.handlers.NotificationReceiverHandler.handleRequest(NotificationReceiverHandler.java:50)\n\tat io.undertow.security.handlers.AbstractSecurityContextAssociationHandler.handleRequest(AbstractSecurityContextAssociationHandler.java:43)\n\tat io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)\n\tat org.wildfly.extension.undertow.security.jacc.JACCContextIdHandler.handleRequest(JACCContextIdHandler.java:61)\n\tat io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)\n\tat io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)\n\tat io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(ServletInitialHandler.java:285)\n\tat io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:264)\n\tat io.undertow.servlet.handlers.ServletInitialHandler.access$000(ServletInitialHandler.java:81)\n\tat io.undertow.servlet.handlers.ServletInitialHandler$1.handleRequest(ServletInitialHandler.java:175)\n\tat io.undertow.server.Connectors.executeRootHandler(Connectors.java:202)\n\tat io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:792)\n\tat java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)\n\tat java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)\n\tat java.lang.Thread.run(Thread.java:745)\nCaused by: java.lang.ClassNotFoundException: org.apache.logging.log4j.LogManager from [Module \"deployment.apiman-gateway.war:main\" from Service Module Loader]\n\tat org.jboss.modules.ModuleClassLoader.findClass(ModuleClassLoader.java:198)\n\tat org.jboss.modules.ConcurrentClassLoader.performLoadClassUnchecked(ConcurrentClassLoader.java:363)\n\tat org.jboss.modules.ConcurrentClassLoader.performLoadClass(ConcurrentClassLoader.java:351)\n\tat org.jboss.modules.ConcurrentClassLoader.loadClass(ConcurrentClassLoader.java:93)\n\t... 70 more\n"} On Thu, Jun 23, 2016 at 7:26 PM, Eric Wittmann <eric.wittmann(a)redhat.com&gt; wrote: > You are just *slightly* off in your apiman.properties configuration! And > it's understandable, as you'll see shortly. :) > > You have modified "apiman-gateway.logger-factory" to have the following > value: > > io.apiman.common.logging.log4j2.Log4j2LoggerFactory > > But instead it should be this: > > io.apiman.common.logging.slf4j.Log4j2LoggerFactory > > -Eric > > > On 6/22/2016 7:40 PM, ejlp ejlp wrote: >> >> Hi, >> >> I was trying to use Log Header policy but no logging message shown in >> Gatway's console or server.log. >> I am using JBoss EAP 7.0 and Apiman 1.2.6.Final >> >> This is what I've done in Gateway node: >> >> * Use extracted war of apiman-gateway-api.war and apiman-gateway.war >> * Put apiman-common-logging-log4j2-1.2.6.Final.jar into >> <JBOSS_HOME>/standalone/deployment/apiman-gateway-api.war/WEB-INF/lib/ >> and <JBOSS_HOME>/standalone/deployment/apiman-gateway.war/WEB-INF/lib/ >> * Remove following line from apiman.properties >> >> >> apiman-gateway.logger-factory=io.apiman.common.logging.impl.NoOpLoggerFactory >> >> and put this line: >> >> >> apiman-gateway.logger-factory=io.apiman.common.logging.log4j2.Log4j2LoggerFactory >> >> * Restart JBoss EAP >> >> I got following stacktrace when EAP started: >> >> 05:58:00,693 ERROR [org.jboss.msc.service.fail] (ServerService Thread >> Pool -- 64) MSC000001: Failed to start service >> jboss.undertow.deployment.default-server.default-host./apiman-gateway-api: >> org.jboss.msc.service.StartException in service >> jboss.undertow.deployment.default-server.default-host./apiman-gateway-api: >> java.lang.RuntimeException: java.lang.RuntimeException: >> java.lang.NullPointerException >> at >> org.wildfly.extension.undertow.deployment.UndertowDeploymentService$1.run(UndertowDeploymentService.java:85) >> at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) >> at java.util.concurrent.FutureTask.run(FutureTask.java:266) >> 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) >> at org.jboss.threads.JBossThread.run(JBossThread.java:320) >> Caused by: java.lang.RuntimeException: java.lang.RuntimeException: >> java.lang.NullPointerException >> at >> io.undertow.servlet.core.DeploymentManagerImpl.deploy(DeploymentManagerImpl.java:231) >> at >> org.wildfly.extension.undertow.deployment.UndertowDeploymentService.startContext(UndertowDeploymentService.java:100) >> at >> org.wildfly.extension.undertow.deployment.UndertowDeploymentService$1.run(UndertowDeploymentService.java:82) >> ... 6 more >> Caused by: java.lang.RuntimeException: java.lang.NullPointerException >> at >> io.apiman.gateway.engine.impl.ConfigDrivenEngineFactory.instantiate(ConfigDrivenEngineFactory.java:179) >> at >> io.apiman.gateway.engine.impl.ConfigDrivenEngineFactory.create(ConfigDrivenEngineFactory.java:163) >> at >> io.apiman.gateway.engine.impl.ConfigDrivenEngineFactory.createLoggerFactory(ConfigDrivenEngineFactory.java:152) >> at >> io.apiman.gateway.engine.impl.AbstractEngineFactory.createEngine(AbstractEngineFactory.java:60) >> at io.apiman.gateway.platforms.war.WarGateway.init(WarGateway.java:55) >> at >> io.apiman.gateway.platforms.war.listeners.WarGatewayBootstrapper.contextInitialized(WarGatewayBootstrapper.java:42) >> at >> io.undertow.servlet.core.ApplicationListeners.contextInitialized(ApplicationListeners.java:187) >> at >> io.undertow.servlet.core.DeploymentManagerImpl.deploy(DeploymentManagerImpl.java:198) >> ... 8 more >> Caused by: java.lang.NullPointerException >> at >> io.apiman.gateway.engine.impl.ConfigDrivenEngineFactory.instantiate(ConfigDrivenEngineFactory.java:175) >> ... 15 more >> >> 05:58:00,695 ERROR [org.jboss.as.controller.management-operation] >> (DeploymentScanner-threads - 1) WFLYCTL0013: Operation ("deploy") >> failed - address: ([("deployment" => "apiman-gateway-api.war")]) - >> failure description: {"WFLYCTL0080: Failed services" => >> >> {"jboss.undertow.deployment.default-server.default-host./apiman-gateway-api" >> => "org.jboss.msc.service.StartException in service >> jboss.undertow.deployment.default-server.default-host./apiman-gateway-api: >> java.lang.RuntimeException: java.lang.RuntimeException: >> java.lang.NullPointerException >> Caused by: java.lang.RuntimeException: java.lang.RuntimeException: >> java.lang.NullPointerException >> Caused by: java.lang.RuntimeException: java.lang.NullPointerException >> Caused by: java.lang.NullPointerException"}} >> _______________________________________________ >> Apiman-user mailing list >> Apiman-user(a)lists.jboss.org >> https://lists.jboss.org/mailman/listinfo/apiman-user >> > _______________________________________________ Apiman-user mailing list Apiman-user(a)lists.jboss.org https://lists.jboss.org/mailman/listinfo/apiman-user