Standalone JMS client is failing with: java.lang.ClassNotFoundException: javax.json.JsonValue with jboss-client.jar -------------------------------------------------------------------------------------------------------------------- Key: WFLY-10143 URL: https://issues.jboss.org/browse/WFLY-10143 Project: WildFly Issue Type: Bug Components: JMS Affects Versions: 12.0.0.Final Reporter: Miroslav Novak Assignee: Jeff Mesnil Priority: Blocker If standalone JMS client is using only jboss-client.jar on classpath then during look up of connection factory fails with: {code} Exception in thread "Thread-0" java.lang.NoClassDefFoundError: javax/json/JsonValue at org.apache.activemq.artemis.uri.schema.connector.TCPTransportConfigurationSchema.getTransportConfigurations(TCPTransportConfigurationSchema.java:68) at org.apache.activemq.artemis.uri.schema.serverLocator.TCPServerLocatorSchema.internalNewObject(TCPServerLocatorSchema.java:44) at org.apache.activemq.artemis.uri.schema.serverLocator.TCPServerLocatorSchema.internalNewObject(TCPServerLocatorSchema.java:33) at org.apache.activemq.artemis.utils.uri.URISchema.newObject(URISchema.java:86) at org.apache.activemq.artemis.utils.uri.URISchema.newObject(URISchema.java:30) at org.apache.activemq.artemis.utils.uri.URIFactory.newObject(URIFactory.java:59) at org.apache.activemq.artemis.core.client.impl.ServerLocatorImpl.newLocator(ServerLocatorImpl.java:411) at org.apache.activemq.artemis.jms.client.ActiveMQConnectionFactory.<init>(ActiveMQConnectionFactory.java:209) at org.apache.activemq.artemis.jms.client.ActiveMQConnectionFactory.<init>(ActiveMQConnectionFactory.java:202) at org.apache.activemq.artemis.jms.client.ActiveMQJMSConnectionFactory.<init>(ActiveMQJMSConnectionFactory.java:34) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:422) at org.jboss.marshalling.reflect.SerializableClass.invokeConstructor(SerializableClass.java:340) at org.jboss.marshalling.reflect.SerializableClass.callNoArgConstructor(SerializableClass.java:292) at org.jboss.marshalling.river.RiverUnmarshaller.doReadNewObject(RiverUnmarshaller.java:1408) at org.jboss.marshalling.river.RiverUnmarshaller.doReadObject(RiverUnmarshaller.java:272) at org.jboss.marshalling.river.RiverUnmarshaller.doReadObject(RiverUnmarshaller.java:205) at org.jboss.marshalling.AbstractObjectInput.readObject(AbstractObjectInput.java:41) at org.wildfly.naming.client.remote.RemoteClientTransport.lookup(RemoteClientTransport.java:243) at org.wildfly.naming.client.remote.RemoteContext.lambda$lookupNative$0(RemoteContext.java:190) at org.wildfly.naming.client.NamingProvider.performExceptionAction(NamingProvider.java:222) at org.wildfly.naming.client.remote.RemoteContext.performWithRetry(RemoteContext.java:100) at org.wildfly.naming.client.remote.RemoteContext.lookupNative(RemoteContext.java:188) at org.wildfly.naming.client.AbstractFederatingContext.lookup(AbstractFederatingContext.java:74) at org.wildfly.naming.client.store.RelativeFederatingContext.lookupNative(RelativeFederatingContext.java:58) at org.wildfly.naming.client.AbstractFederatingContext.lookup(AbstractFederatingContext.java:74) at org.wildfly.naming.client.AbstractFederatingContext.lookup(AbstractFederatingContext.java:60) at org.wildfly.naming.client.AbstractFederatingContext.lookup(AbstractFederatingContext.java:66) at org.wildfly.naming.client.WildFlyRootContext.lookup(WildFlyRootContext.java:144) at javax.naming.InitialContext.lookup(InitialContext.java:417) at org.jboss.jms.client.ProducerTransAck.run(ProducerTransAck.java:78) Caused by: java.lang.ClassNotFoundException: javax.json.JsonValue at java.net.URLClassLoader.findClass(URLClassLoader.java:381) at java.lang.ClassLoader.loadClass(ClassLoader.java:424) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331) at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ... 33 more {code} This is because javax.json-api jar is missing. Wildfly 12 jms-client-bom does not suffer by this issue.