trace: "org.springframework.web.client.HttpServerErrorException$InternalServerError: 500 Server Error↵	at org.springframework.web.client.HttpServerErrorException.create(HttpServerErrorException.java:79)↵	at org.springframework.web.client.DefaultResponseErrorHandler.handleError(DefaultResponseErrorHandler.java:124)↵	at org.springframework.web.client.DefaultResponseErrorHandler.handleError(DefaultResponseErrorHandler.java:102)↵	at org.springframework.web.client.ResponseErrorHandler.handleError(ResponseErrorHandler.java:63)↵	at org.springframework.web.client.RestTemplate.handleResponse(RestTemplate.java:777)↵	at org.springframework.web.client.RestTemplate.doExecute(RestTemplate.java:735)↵	at org.springframework.web.client.RestTemplate.execute(RestTemplate.java:669)↵	at org.springframework.web.client.RestTemplate.exchange(RestTemplate.java:578)↵	at ru.stream.maas.microservice.PortalService.updatePreCost(PortalService.java:30)↵	at ru.stream.maas.service.DiscountService.updatePreCost(DiscountService.java:183)↵	at ru.stream.maas.service.DiscountService$$FastClassBySpringCGLIB$$1992b936.invoke(<generated>)↵	at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:218)↵	at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:749)↵	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:163)↵	at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:294)↵	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:98)↵	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186)↵	at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:688)↵	at ru.stream.maas.service.DiscountService$$EnhancerBySpringCGLIB$$b4c03ee4.updatePreCost(<generated>)↵	at ru.stream.maas.backoffice.rest.DiscountController.addDiscounts(DiscountController.java:41)↵	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)↵	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)↵	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)↵	at java.lang.reflect.Method.invoke(Method.java:498)↵	at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:189)↵	at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:138)↵	at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:102)↵	at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:895)↵	at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:800)↵	at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87)↵	at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1038)↵	at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:942)↵	at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1005)↵	at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:908)↵	at javax.servlet.http.HttpServlet.service(HttpServlet.java:665)↵	at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:882)↵	at javax.servlet.http.HttpServlet.service(HttpServlet.java:750)↵	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:867)↵	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1623)↵	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:214)↵	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1610)↵	at org.springframework.web.filter.AbstractRequestLoggingFilter.doFilterInternal(AbstractRequestLoggingFilter.java:262)↵	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)↵	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1610)↵	at org.springframework.boot.actuate.web.trace.servlet.HttpTraceFilter.doFilterInternal(HttpTraceFilter.java:90)↵	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)↵	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1610)↵	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:320)↵	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:127)↵	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:91)↵	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)↵	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:119)↵	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)↵	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:137)↵	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)↵	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:111)↵	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)↵	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:170)↵	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)↵	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:63)↵	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)↵	at ru.stream.maas.auth.jwt.JWTAuthorizationFilter.doFilterInternal(JWTAuthorizationFilter.java:38)↵	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)↵	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)↵	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:200)↵	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)↵	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:116)↵	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)↵	at org.springframework.web.filter.CorsFilter.doFilterInternal(CorsFilter.java:96)↵	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)↵	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)↵	at org.springframework.security.web.header.HeaderWriterFilter.doFilterInternal(HeaderWriterFilter.java:74)↵	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)↵	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)↵	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:105)↵	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)↵	at org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:56)↵	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)↵	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)↵	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:215)↵	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:178)↵	at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:357)↵	at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:270)↵	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1610)↵	at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99)↵	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)↵	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1610)↵	at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:92)↵	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)↵	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1610)↵	at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:93)↵	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)↵	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1610)↵	at org.springframework.boot.actuate.metrics.web.servlet.WebMvcMetricsFilter.filterAndRecordMetrics(WebMvcMetricsFilter.java:117)↵	at org.springframework.boot.actuate.metrics.web.servlet.WebMvcMetricsFilter.doFilterInternal(WebMvcMetricsFilter.java:106)↵	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)↵	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1610)↵	at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:200)↵	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)↵	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1610)↵	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:540)↵	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:146)↵	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548)↵	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)↵	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:257)↵	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1588)↵	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:255)↵	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1345)↵	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:203)↵	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:480)↵	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1557)↵	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:201)↵	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1247)↵	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:144)↵	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)↵	at org.eclipse.jetty.server.Server.handle(Server.java:502)↵	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:364)↵	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:260)↵	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:305)↵	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:103)↵	at org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:118)↵	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:333)↵	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:310)↵	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:168)↵	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:126)↵	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:366)↵	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:765)↵	at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:683)↵	at java.lang.Thread.run(Thread.java:748)↵"