Load balancer -> web server -> 2 payara instances (instance 1 and instance 2)
Payara configuration:
java.lang.IllegalStateException: Singleton not set for org.glassfish.main.core.kernel [139]
at org.glassfish.weld.ACLSingletonProvider$ACLSingleton.get(ACLSingletonProvider.java:112)
at org.jboss.weld.Container.instance(Container.java:65)
at org.jboss.weld.context.SerializableContextualFactory$SerializableContextualHolder.getContextualStore(SerializableContextualFactory.java:119)
at org.jboss.weld.context.SerializableContextualFactory$SerializableContextualHolder.loadContextual(SerializableContextualFactory.java:144)
at org.jboss.weld.context.SerializableContextualFactory$SerializableContextualHolder.get(SerializableContextualFactory.java:133)
at org.jboss.weld.context.SerializableContextualFactory$AbstractSerializableBean.get(SerializableContextualFactory.java:165)
at org.jboss.weld.context.SerializableContextualFactory$AbstractSerializableBean.delegate(SerializableContextualFactory.java:170)
at org.jboss.weld.bean.ForwardingBean.attributes(ForwardingBean.java:41)
at org.jboss.weld.util.bean.ForwardingBeanAttributes.getName(ForwardingBeanAttributes.java:55)
at org.jboss.weld.bean.ForwardingBean.toString(ForwardingBean.java:36)
at java.lang.String.valueOf(String.java:2994)
at java.lang.StringBuilder.append(StringBuilder.java:131)
at org.jboss.weld.context.SerializableContextualInstanceImpl.toString(SerializableContextualInstanceImpl.java:60)
at java.lang.String.valueOf(String.java:2994)
at java.lang.StringBuilder.append(StringBuilder.java:131)
at org.glassfish.web.ha.session.management.BaseHASession.superToString(BaseHASession.java:247)
at org.glassfish.web.ha.session.management.BaseHASession.toString(BaseHASession.java:258)
at java.lang.String.valueOf(String.java:2994)
at java.lang.StringBuilder.append(StringBuilder.java:131)
at org.glassfish.web.ha.session.management.ReplicationManagerBase.findSession(ReplicationManagerBase.java:166)
at org.apache.catalina.connector.Request.doGetSession(Request.java:3224)
at org.apache.catalina.connector.Request.getSessionInternal(Request.java:3089)
at org.apache.catalina.connector.Request.unlockSession(Request.java:4659)
at org.apache.catalina.connector.CoyoteAdapter$CatalinaAfterServiceListener.onAfterService(CoyoteAdapter.java:1066)
at org.glassfish.grizzly.http.server.Request.onAfterService(Request.java:617)
at org.glassfish.grizzly.http.server.HttpServerFilter.afterService(HttpServerFilter.java:385)
at org.glassfish.grizzly.http.server.HttpServerFilter.handleRead(HttpServerFilter.java:260)
at org.glassfish.grizzly.filterchain.ExecutorResolver$9.execute(ExecutorResolver.java:119)
at org.glassfish.grizzly.filterchain.DefaultFilterChain.executeFilter(DefaultFilterChain.java:284)
at org.glassfish.grizzly.filterchain.DefaultFilterChain.executeChainPart(DefaultFilterChain.java:201)
at org.glassfish.grizzly.filterchain.DefaultFilterChain.execute(DefaultFilterChain.java:133)
at org.glassfish.grizzly.filterchain.DefaultFilterChain.process(DefaultFilterChain.java:112)
at org.glassfish.grizzly.ProcessorExecutor.execute(ProcessorExecutor.java:77)
at org.glassfish.grizzly.nio.transport.TCPNIOTransport.fireIOEvent(TCPNIOTransport.java:526)
at org.glassfish.grizzly.strategies.AbstractIOStrategy.fireIOEvent(AbstractIOStrategy.java:112)
at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.run0(WorkerThreadIOStrategy.java:117)
at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.access$100(WorkerThreadIOStrategy.java:56)
at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy$WorkerThreadRunnable.run(WorkerThreadIOStrategy.java:137)
at org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:591)
at org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.run(AbstractThreadPool.java:571)
at java.lang.Thread.run(Thread.java:745)
]]