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  1. WildFly
  2. WFLY-12631

Server doesn't start when DNS_PING is configured

    Details

    • Steps to Reproduce:
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      Configuration:
      <protocol type="dns.DNS_PING">
      <property name="dns_query">eap-app-ping</property>
      <property name="async_discovery_use_separate_thread_per_request">true</property>
      </protocol>

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      Configuration: <protocol type="dns.DNS_PING"> <property name="dns_query">eap-app-ping</property> <property name="async_discovery_use_separate_thread_per_request">true</property> </protocol>

      Description

      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))]]

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                • Assignee:
                  rhusar Radoslav Husar
                  Reporter:
                  jdenise Jean Francois Denise
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                  • Created:
                    Updated:
                    Resolved: