Concurrently initialization causes "Argument bean must not be null"

lazyInit() is called concurrently, the first thread should be the only one to initialize it; however, deltaSpikeProxyInvocationHandler has been assigned before all initialization jobs are completed, which sometimes causes issue.

Caused by: org.jboss.weld.exceptions.IllegalArgumentException: WELD-001456: Argument bean must not be null
at org.jboss.weld.core@3.1.0.Final//org.jboss.weld.util.Preconditions.checkArgumentNotNull(Preconditions.java:40)
at org.jboss.weld.core@3.1.0.Final//org.jboss.weld.manager.BeanManagerImpl.getReference(BeanManagerImpl.java:708)
at org.jboss.weld.core@3.1.0.Final//org.jboss.weld.util.ForwardingBeanManager.getReference(ForwardingBeanManager.java:64)
at org.jboss.weld.core@3.1.0.Final//org.jboss.weld.bean.builtin.BeanManagerProxy.getReference(BeanManagerProxy.java:87)
at deployment.nyx.war//org.apache.deltaspike.proxy.api.DeltaSpikeProxyContextualLifecycle.instantiateDelegateInvocationHandler(DeltaSpikeProxyContextualLifecycle.java:177)
at deployment.nyx.war//org.apache.deltaspike.proxy.api.DeltaSpikeProxyContextualLifecycle.create(DeltaSpikeProxyContextualLifecycle.java:94)
at deployment.nyx.war//org.apache.deltaspike.core.util.bean.ImmutableBean.create(ImmutableBean.java:72)
at org.jboss.weld.core@3.1.0.Final//org.jboss.weld.contexts.unbound.DependentContextImpl.get(DependentContextImpl.java:70)
at org.jboss.weld.core@3.1.0.Final//org.jboss.weld.bean.ContextualInstanceStrategy$DefaultContextualInstanceStrategy.get(ContextualInstanceStrategy.java:100)
at org.jboss.weld.core@3.1.0.Final//org.jboss.weld.bean.ContextualInstance.get(ContextualInstance.java:50)
at org.jboss.weld.core@3.1.0.Final//org.jboss.weld.manager.BeanManagerImpl.getReference(BeanManagerImpl.java:694)
at org.jboss.weld.core@3.1.0.Final//org.jboss.weld.manager.BeanManagerImpl.getInjectableReference(BeanManagerImpl.java:794)
at org.jboss.weld.core@3.1.0.Final//org.jboss.weld.injection.FieldInjectionPoint.inject(FieldInjectionPoint.java:92)
at org.jboss.weld.core@3.1.0.Final//org.jboss.weld.util.Beans.injectBoundFields(Beans.java:336)
at org.jboss.weld.core@3.1.0.Final//org.jboss.weld.util.Beans.injectFieldsAndInitializers(Beans.java:347)
at org.jboss.weld.core@3.1.0.Final//org.jboss.weld.injection.producer.DefaultInjector$1.proceed(DefaultInjector.java:71)
at org.jboss.weld.core@3.1.0.Final//org.jboss.weld.injection.InjectionContextImpl.run(InjectionContextImpl.java:48)
at org.jboss.weld.core@3.1.0.Final//org.jboss.weld.injection.producer.DefaultInjector.inject(DefaultInjector.java:73)
at org.jboss.weld.core@3.1.0.Final//org.jboss.weld.module.ejb.DynamicInjectionPointInjector.inject(DynamicInjectionPointInjector.java:61)
at org.jboss.weld.core@3.1.0.Final//org.jboss.weld.module.ejb.SessionBeanInjectionTarget.inject(SessionBeanInjectionTarget.java:138)
at org.jboss.as.weld@16.0.0.Final//org.jboss.as.weld.injection.WeldInjectionContext.inject(WeldInjectionContext.java:39)
at org.jboss.as.weld@16.0.0.Final//org.jboss.as.weld.injection.WeldInjectionInterceptor.processInvocation(WeldInjectionInterceptor.java:51)
at org.jboss.invocation@1.5.2.Final//org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:422)
at org.jboss.as.ee@16.0.0.Final//org.jboss.as.ee.component.AroundConstructInterceptorFactory$1.processInvocation(AroundConstructInterceptorFactory.java:28)
at org.jboss.invocation@1.5.2.Final//org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:422)
at org.jboss.as.weld@16.0.0.Final//org.jboss.as.weld.injection.WeldInterceptorInjectionInterceptor.processInvocation(WeldInterceptorInjectionInterceptor.java:56)
at org.jboss.invocation@1.5.2.Final//org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:422)
at org.jboss.as.ee@16.0.0.Final//org.jboss.as.ee.component.ComponentInstantiatorInterceptor.processInvocation(ComponentInstantiatorInterceptor.java:74)
at org.jboss.invocation@1.5.2.Final//org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:422)
at org.jboss.as.weld@16.0.0.Final//org.jboss.as.weld.interceptors.Jsr299BindingsCreateInterceptor.processInvocation(Jsr299BindingsCreateInterceptor.java:111)
at org.jboss.invocation@1.5.2.Final//org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:422)
at org.jboss.as.ee@16.0.0.Final//org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50)
at org.jboss.invocation@1.5.2.Final//org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:422)
at org.jboss.as.ejb3@16.0.0.Final//org.jboss.as.ejb3.tx.CMTTxInterceptor.invokeInOurTx(CMTTxInterceptor.java:237)
... 69 more

A suggested fix:

https://github.com/apache/deltaspike/pull/90