org.jboss.resteasy.spi.ReaderException: java.lang.NullPointerException
    at org.jboss.resteasy.resteasy-jaxrs@3.15.1.Final//org.jboss.resteasy.client.core.ClientInvoker.invoke(ClientInvoker.java:122)
    at org.jboss.resteasy.resteasy-jaxrs@3.15.1.Final//org.jboss.resteasy.client.core.ClientProxy.invoke(ClientProxy.java:89)
    at deployment.ico-3.12.0.ear.ico-rest-ejb-3.12.0.jar//com.sun.proxy.$Proxy337.retrievefooResponse(Unknown Source)
    at deployment.ico-3.12.0.ear.ico-rest-ejb-3.12.0.jar//com.company.ico.rest.ejb.idp.IdpConnector.callMethodAndHandleException(IdpConnector.java:176)
    at deployment.ico-3.12.0.ear.ico-rest-ejb-3.12.0.jar//com.company.ico.rest.ejb.idp.IdpConnector.retrievefooResponse(IdpConnector.java:74)
    at deployment.ico-3.12.0.ear.ico-rest-ejb-3.12.0.jar//com.company.ico.rest.ejb.idp.IdpConnector$Proxy$_$$_WeldClientProxy.retrievefooResponse(Unknown Source)
    at deployment.ico-3.12.0.ear.ico-rest-ejb-3.12.0.jar//com.company.ico.rest.ejb.service.foo.fooService.retrievefooResponse(fooService.java:218)
    at deployment.ico-3.12.0.ear.ico-rest-ejb-3.12.0.jar//com.company.ico.rest.ejb.service.Foo.FooServices.continueFoo(FooServices.java:264)
    at deployment.ico-3.12.0.ear.ico-rest-ejb-3.12.0.jar//com.company.ico.rest.ejb.service.Foo.FooServices$Proxy$_$$_WeldSubclass.continueFoo$$super(Unknown Source)
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
    at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.base/java.lang.reflect.Method.invoke(Unknown Source)
    at org.jboss.weld.core@3.1.6.Final//org.jboss.weld.interceptor.proxy.TerminalAroundInvokeInvocationContext.proceedInternal(TerminalAroundInvokeInvocationContext.java:51)
    at org.jboss.weld.core@3.1.6.Final//org.jboss.weld.interceptor.proxy.AroundInvokeInvocationContext.proceed(AroundInvokeInvocationContext.java:78)
    at deployment.ico-3.12.0.ear.ico-rest-ejb-3.12.0.jar//com.company.ico.rest.ejb.logging.LogInterceptor.intercept(LogInterceptor.java:27)
    at jdk.internal.reflect.GeneratedMethodAccessor1469.invoke(Unknown Source)
    at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.base/java.lang.reflect.Method.invoke(Unknown Source)
    at org.jboss.weld.core@3.1.6.Final//org.jboss.weld.interceptor.reader.SimpleInterceptorInvocation$SimpleMethodInvocation.invoke(SimpleInterceptorInvocation.java:73)
    at org.jboss.weld.core@3.1.6.Final//org.jboss.weld.interceptor.proxy.InterceptorMethodHandler.executeAroundInvoke(InterceptorMethodHandler.java:84)
    at org.jboss.weld.core@3.1.6.Final//org.jboss.weld.interceptor.proxy.InterceptorMethodHandler.executeInterception(InterceptorMethodHandler.java:72)
    at org.jboss.weld.core@3.1.6.Final//org.jboss.weld.interceptor.proxy.InterceptorMethodHandler.invoke(InterceptorMethodHandler.java:56)
    at org.jboss.weld.core@3.1.6.Final//org.jboss.weld.bean.proxy.CombinedInterceptorAndDecoratorStackMethodHandler.invoke(CombinedInterceptorAndDecoratorStackMethodHandler.java:79)
    at org.jboss.weld.core@3.1.6.Final//org.jboss.weld.bean.proxy.CombinedInterceptorAndDecoratorStackMethodHandler.invoke(CombinedInterceptorAndDecoratorStackMethodHandler.java:68)
    at deployment.ico-3.12.0.ear.ico-rest-ejb-3.12.0.jar//com.company.ico.rest.ejb.service.Foo.FooServices$Proxy$_$$_WeldSubclass.continueFoo(Unknown Source)
    at deployment.ico-3.12.0.ear.ico-rest-web-3.12.0.war//com.company.ico.rest.service.FooRESTService.continueFoo(FooRESTService.java:120)
    at deployment.ico-3.12.0.ear.ico-rest-web-3.12.0.war//com.company.ico.rest.service.FooRESTService$Proxy$_$$_WeldClientProxy.continueFoo(Unknown Source)
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
    at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.base/java.lang.reflect.Method.invoke(Unknown Source)
    at org.jboss.resteasy.resteasy-jaxrs@3.15.1.Final//org.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:138)
    at org.jboss.resteasy.resteasy-jaxrs@3.15.1.Final//org.jboss.resteasy.core.ResourceMethodInvoker.internalInvokeOnTarget(ResourceMethodInvoker.java:546)
    at org.jboss.resteasy.resteasy-jaxrs@3.15.1.Final//org.jboss.resteasy.core.ResourceMethodInvoker.invokeOnTargetAfterFilter(ResourceMethodInvoker.java:435)
    at org.jboss.resteasy.resteasy-jaxrs@3.15.1.Final//org.jboss.resteasy.core.ResourceMethodInvoker.lambda$invokeOnTarget$0(ResourceMethodInvoker.java:396)
    at org.jboss.resteasy.resteasy-jaxrs@3.15.1.Final//org.jboss.resteasy.core.interception.PreMatchContainerRequestContext.filter(PreMatchContainerRequestContext.java:358)
    at org.jboss.resteasy.resteasy-jaxrs@3.15.1.Final//org.jboss.resteasy.core.ResourceMethodInvoker.invokeOnTarget(ResourceMethodInvoker.java:398)
    at org.jboss.resteasy.resteasy-jaxrs@3.15.1.Final//org.jboss.resteasy.core.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:365)
    at org.jboss.resteasy.resteasy-jaxrs@3.15.1.Final//org.jboss.resteasy.core.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:338)
    at org.jboss.resteasy.resteasy-jaxrs@3.15.1.Final//org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:440)
    at org.jboss.resteasy.resteasy-jaxrs@3.15.1.Final//org.jboss.resteasy.core.SynchronousDispatcher.lambda$invoke$4(SynchronousDispatcher.java:229)
    at org.jboss.resteasy.resteasy-jaxrs@3.15.1.Final//org.jboss.resteasy.core.SynchronousDispatcher.lambda$preprocess$0(SynchronousDispatcher.java:135)
    at org.jboss.resteasy.resteasy-jaxrs@3.15.1.Final//org.jboss.resteasy.core.interception.PreMatchContainerRequestContext.filter(PreMatchContainerRequestContext.java:358)
    at org.jboss.resteasy.resteasy-jaxrs@3.15.1.Final//org.jboss.resteasy.core.SynchronousDispatcher.preprocess(SynchronousDispatcher.java:138)
    at org.jboss.resteasy.resteasy-jaxrs@3.15.1.Final//org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:215)
    at org.jboss.resteasy.resteasy-jaxrs@3.15.1.Final//org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:245)
    at org.jboss.resteasy.resteasy-jaxrs@3.15.1.Final//org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:61)
    at org.jboss.resteasy.resteasy-jaxrs@3.15.1.Final//org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:56)
    at javax.servlet.api@2.0.0.Final//javax.servlet.http.HttpServlet.service(HttpServlet.java:590)
    at io.undertow.servlet@2.2.5.Final//io.undertow.servlet.handlers.ServletHandler.handleRequest(ServletHandler.java:74)
    at io.undertow.servlet@2.2.5.Final//io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:129)
    at io.opentracing.contrib.opentracing-jaxrs2//io.opentracing.contrib.jaxrs2.server.SpanFinishingFilter.doFilter(SpanFinishingFilter.java:52)
    at io.undertow.servlet@2.2.5.Final//io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61)
    at io.undertow.servlet@2.2.5.Final//io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131)
    at deployment.ico-3.12.0.ear.ico-rest-web-3.12.0.war//com.company.ico.rest.provider.CorsProvider.doFilter(CorsProvider.java:51)
    at deployment.ico-3.12.0.ear.ico-rest-web-3.12.0.war//com.company.ico.rest.provider.CorsProvider.doFilter(CorsProvider.java:35)
    at io.undertow.servlet@2.2.5.Final//io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61)
    at io.undertow.servlet@2.2.5.Final//io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131)
    at io.undertow.servlet@2.2.5.Final//io.undertow.servlet.handlers.FilterHandler.handleRequest(FilterHandler.java:84)
    at io.undertow.servlet@2.2.5.Final//io.undertow.servlet.handlers.security.ServletSecurityRoleHandler.handleRequest(ServletSecurityRoleHandler.java:62)
    at io.undertow.servlet@2.2.5.Final//io.undertow.servlet.handlers.ServletChain$1.handleRequest(ServletChain.java:68)
    at io.undertow.servlet@2.2.5.Final//io.undertow.servlet.handlers.ServletDispatchingHandler.handleRequest(ServletDispatchingHandler.java:36)
    at org.wildfly.extension.undertow@23.0.2.Final//org.wildfly.extension.undertow.security.SecurityContextAssociationHandler.handleRequest(SecurityContextAssociationHandler.java:78)
    at io.undertow.core@2.2.5.Final//io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
    at io.undertow.servlet@2.2.5.Final//io.undertow.servlet.handlers.RedirectDirHandler.handleRequest(RedirectDirHandler.java:68)
    at io.undertow.servlet@2.2.5.Final//io.undertow.servlet.handlers.security.SSLInformationAssociationHandler.handleRequest(SSLInformationAssociationHandler.java:117)
    at io.undertow.servlet@2.2.5.Final//io.undertow.servlet.handlers.security.ServletAuthenticationCallHandler.handleRequest(ServletAuthenticationCallHandler.java:57)
    at io.undertow.core@2.2.5.Final//io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
    at io.undertow.core@2.2.5.Final//io.undertow.security.handlers.AbstractConfidentialityHandler.handleRequest(AbstractConfidentialityHandler.java:46)
    at io.undertow.servlet@2.2.5.Final//io.undertow.servlet.handlers.security.ServletConfidentialityConstraintHandler.handleRequest(ServletConfidentialityConstraintHandler.java:64)
    at io.undertow.core@2.2.5.Final//io.undertow.security.handlers.AuthenticationMechanismsHandler.handleRequest(AuthenticationMechanismsHandler.java:60)
    at io.undertow.servlet@2.2.5.Final//io.undertow.servlet.handlers.security.CachedAuthenticatedSessionHandler.handleRequest(CachedAuthenticatedSessionHandler.java:77)
    at io.undertow.core@2.2.5.Final//io.undertow.security.handlers.NotificationReceiverHandler.handleRequest(NotificationReceiverHandler.java:50)
    at io.undertow.core@2.2.5.Final//io.undertow.security.handlers.AbstractSecurityContextAssociationHandler.handleRequest(AbstractSecurityContextAssociationHandler.java:43)
    at io.undertow.core@2.2.5.Final//io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
    at org.wildfly.extension.undertow@23.0.2.Final//org.wildfly.extension.undertow.security.jacc.JACCContextIdHandler.handleRequest(JACCContextIdHandler.java:61)
    at io.undertow.core@2.2.5.Final//io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
    at org.wildfly.extension.undertow@23.0.2.Final//org.wildfly.extension.undertow.deployment.GlobalRequestControllerHandler.handleRequest(GlobalRequestControllerHandler.java:68)
    at io.undertow.servlet@2.2.5.Final//io.undertow.servlet.handlers.SendErrorPageHandler.handleRequest(SendErrorPageHandler.java:52)
    at io.undertow.core@2.2.5.Final//io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
    at io.undertow.servlet@2.2.5.Final//io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(ServletInitialHandler.java:269)
    at io.undertow.servlet@2.2.5.Final//io.undertow.servlet.handlers.ServletInitialHandler.access$100(ServletInitialHandler.java:78)
    at io.undertow.servlet@2.2.5.Final//io.undertow.servlet.handlers.ServletInitialHandler$2.call(ServletInitialHandler.java:133)
    at io.undertow.servlet@2.2.5.Final//io.undertow.servlet.handlers.ServletInitialHandler$2.call(ServletInitialHandler.java:130)
    at io.undertow.servlet@2.2.5.Final//io.undertow.servlet.core.ServletRequestContextThreadSetupAction$1.call(ServletRequestContextThreadSetupAction.java:48)
    at io.undertow.servlet@2.2.5.Final//io.undertow.servlet.core.ContextClassLoaderSetupAction$1.call(ContextClassLoaderSetupAction.java:43)
    at org.wildfly.extension.undertow@23.0.2.Final//org.wildfly.extension.undertow.security.SecurityContextThreadSetupAction.lambda$create$0(SecurityContextThreadSetupAction.java:105)
    at org.wildfly.extension.undertow@23.0.2.Final//org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1530)
    at org.wildfly.extension.undertow@23.0.2.Final//org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1530)
    at org.wildfly.extension.undertow@23.0.2.Final//org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1530)
    at org.wildfly.extension.undertow@23.0.2.Final//org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1530)
    at org.wildfly.extension.undertow@23.0.2.Final//org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1530)
    at io.undertow.servlet@2.2.5.Final//io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:249)
    at io.undertow.servlet@2.2.5.Final//io.undertow.servlet.handlers.ServletInitialHandler.access$000(ServletInitialHandler.java:78)
    at io.undertow.servlet@2.2.5.Final//io.undertow.servlet.handlers.ServletInitialHandler$1.handleRequest(ServletInitialHandler.java:99)
    at io.undertow.core@2.2.5.Final//io.undertow.server.Connectors.executeRootHandler(Connectors.java:387)
    at io.undertow.core@2.2.5.Final//io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:841)
    at org.jboss.threads@2.4.0.Final//org.jboss.threads.ContextClassLoaderSavingRunnable.run(ContextClassLoaderSavingRunnable.java:35)
    at org.jboss.threads@2.4.0.Final//org.jboss.threads.EnhancedQueueExecutor.safeRun(EnhancedQueueExecutor.java:1990)
    at org.jboss.threads@2.4.0.Final//org.jboss.threads.EnhancedQueueExecutor$ThreadBody.doRunTask(EnhancedQueueExecutor.java:1486)
    at org.jboss.threads@2.4.0.Final//org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1377)
    at org.jboss.xnio@3.8.4.Final//org.xnio.XnioWorker$WorkerThreadFactory$1$1.run(XnioWorker.java:1280)
    at java.base/java.lang.Thread.run(Unknown Source)
Caused by: org.jboss.resteasy.spi.ReaderException: java.lang.NullPointerException
    at org.jboss.resteasy.resteasy-jaxrs@3.15.1.Final//org.jboss.resteasy.client.core.BaseClientResponse.readFrom(BaseClientResponse.java:481)
    at org.jboss.resteasy.resteasy-jaxrs@3.15.1.Final//org.jboss.resteasy.client.core.BaseClientResponse.getEntity(BaseClientResponse.java:394)
    at org.jboss.resteasy.resteasy-jaxrs@3.15.1.Final//org.jboss.resteasy.client.core.BaseClientResponse.getEntity(BaseClientResponse.java:365)
    at org.jboss.resteasy.resteasy-jaxrs@3.15.1.Final//org.jboss.resteasy.client.core.BaseClientResponse.getEntity(BaseClientResponse.java:359)
    at deployment.ico-3.12.0.ear.ico-rest-ejb-3.12.0.jar//com.company.ico.rest.ejb.idp.IdpConnector$1.execute(IdpConnector.java:111)
    at org.jboss.resteasy.resteasy-jaxrs@3.15.1.Final//org.jboss.resteasy.core.interception.ClientExecutionContextImpl.proceed(ClientExecutionContextImpl.java:46)
    at org.jboss.resteasy.resteasy-crypto@3.15.1.Final//org.jboss.resteasy.security.doseta.DigitalSigningInterceptor.execute(DigitalSigningInterceptor.java:97)
    at org.jboss.resteasy.resteasy-jaxrs@3.15.1.Final//org.jboss.resteasy.core.interception.ClientExecutionContextImpl.proceed(ClientExecutionContextImpl.java:52)
    at org.jboss.resteasy.resteasy-jaxrs@3.15.1.Final//org.jboss.resteasy.client.ClientRequest.execute(ClientRequest.java:443)
    at org.jboss.resteasy.resteasy-jaxrs@3.15.1.Final//org.jboss.resteasy.client.ClientRequest.httpMethod(ClientRequest.java:684)
    at org.jboss.resteasy.resteasy-jaxrs@3.15.1.Final//org.jboss.resteasy.client.core.ClientInvoker.invoke(ClientInvoker.java:113)
    ... 103 more
Caused by: java.lang.NullPointerException
    at org.jboss.resteasy.resteasy-jaxrs@3.15.1.Final//org.jboss.resteasy.client.core.executors.URLConnectionClientExecutor$1.performReleaseConnection(URLConnectionClientExecutor.java:89)
    at org.jboss.resteasy.resteasy-jaxrs@3.15.1.Final//org.jboss.resteasy.client.core.BaseClientResponse.releaseConnection(BaseClientResponse.java:608)
    at org.jboss.resteasy.resteasy-jaxrs@3.15.1.Final//org.jboss.resteasy.client.ClientResponseFailure.<init>(ClientResponseFailure.java:34)
    at org.jboss.resteasy.resteasy-jaxrs@3.15.1.Final//org.jboss.resteasy.client.core.BaseClientResponse.readFrom(BaseClientResponse.java:436)