James Perkins created WFLY-12633: ------------------------------------ Summary: Server doesn't start when DNS_PING is configured Key: WFLY-12633 URL: https://issues.jboss.org/browse/WFLY-12633 Project: WildFly Issue Type: Bug Components: Clustering Reporter: Jean Francois Denise Assignee: Radoslav Husar NPE at start. The root cause is that <module name="sun.jdk"/> is missing from org.wildfly.clustering.service module. Exception: Caused by: java.lang.NullPointerException at org.jgroups.protocols.dns.DNS_PING.destroy(DNS_PING.java:70) at java.util.ArrayList.forEach(ArrayList.java:1257) at org.jgroups.stack.ProtocolStack.destroy(ProtocolStack.java:876) at org.jgroups.stack.ProtocolStack.initProtocolStack(ProtocolStack.java:867) at org.jgroups.stack.ProtocolStack.init(ProtocolStack.java:849) at org.jgroups.JChannel.<init>(JChannel.java:155) at org.jboss.as.clustering.jgroups.JChannelFactory.createChannel(JChannelFactory.java:116) at org.jboss.as.clustering.jgroups.subsystem.ChannelServiceConfigurator.get(ChannelServiceConfigurator.java:96) Hidden exception: Failed instantiate InitialContextFactory com.sun.jndi.dns.DnsContextFactory from classloader ModuleClassLoader for Module "org.wildfly.clustering.service" version 18.0.0.Final-SNAPSHOT from local module loader @2d3fcdbd (finder: local module finder @617c74e5 (roots: /home/jdenise/workspaces/wildfly-jfdenise/build/target/wildfly-18.0.0.Final-SNAPSHOT/modules,/home/jdenise/workspaces/wildfly-jfdenise/build/target/wildfly-18.0.0.Final-SNAPSHOT/modules/system/layers/base)) [Root exception is java.lang.ClassNotFoundException: com.sun.jndi.dns.DnsContextFactory from [Module "org.wildfly.clustering.service" version 18.0.0.Final-SNAPSHOT from local module loader @2d3fcdbd (finder: local module finder @617c74e5 (roots: /home/jdenise/workspaces/wildfly-jfdenise/build/target/wildfly-18.0.0.Final-SNAPSHOT/modules,/home/jdenise/workspaces/wildfly-jfdenise/build/target/wildfly-18.0.0.Final-SNAPSHOT/modules/system/layers/base))]] -- This message was sent by Atlassian Jira (v7.13.8#713008)