Minor Description
We have nexus repository configured as rubygems proxy.
During a bundle install, we get the following exception. The command seems to still work regardless.
2020-08-06 10:32:22,856+0000 WARN [qtp53266001-209] *UNKNOWN org.sonatype.nexus.repository.httpbridge.internal.ViewServlet - Failure servicing: GET /repository/rails-assets-proxy/api/v1/dependencies?gems=mini_racer%2Cnet-ldap%2Cnori%2Coauth2%2Cocticons%2Cocticons_helper%2Comniauth%2Comniauth-oauth2%2Cparallel%2Cparser%2Cpg%2Cpuma%2Cque%2Crails%2Crails-assets-tether%2Crainbow%2Crspec%2Crspec-core%2Crspec-expectations%2Crspec-mocks%2Crspec-support%2Crubocop%2Crubocop-rails%2Cruby-progressbar%2Cruby-saml%2Crubyntlm%2Crubyzip%2Csass-rails%2Cselenium-webdriver%2Cspring%2Cspring-watcher-listen%2Cturbolinks%2Cturbolinks-source%2Cuglifier%2Cunicode-display_width%2Cvault%2Cweb-console%2Cwinrm%2Cxmlrpc%2Czabbixapi java.lang.ClassCastException: java.util.LinkedHashMap cannot be cast to java.util.List at org.sonatype.nexus.repository.rubygems.marshal.BundlerGem.lambda$0(BundlerGem.java:172) at java.util.HashMap.computeIfPresent(HashMap.java:1156) at org.sonatype.nexus.repository.rubygems.marshal.BundlerGem.marshalLoad(BundlerGem.java:171) at org.sonatype.nexus.repository.rubygems.marshal.BundlerGems.marshalLoad(BundlerGems.java:107) at org.sonatype.nexus.repository.rubygems.marshal.MarshalLoad.fromBytesAs(MarshalLoad.java:76) at org.sonatype.nexus.repository.rubygems.marshal.Marshal.loadAs(Marshal.java:84) at org.sonatype.nexus.repository.rubygems.internal.RubygemsProxyFacet.handleBundlerDependencies(RubygemsProxyFacet.java:225) at org.sonatype.nexus.repository.rubygems.internal.RubygemsProxyFacet.doStore(RubygemsProxyFacet.java:207) at org.sonatype.nexus.transaction.TransactionalWrapper.proceedWithTransaction(TransactionalWrapper.java:57) at org.sonatype.nexus.transaction.TransactionInterceptor.proceedWithTransaction(TransactionInterceptor.java:66) at org.sonatype.nexus.transaction.TransactionInterceptor.invoke(TransactionInterceptor.java:55) at org.sonatype.nexus.repository.rubygems.internal.RubygemsProxyFacet.store(RubygemsProxyFacet.java:184) at org.sonatype.nexus.repository.proxy.ProxyFacetSupport.doGet(ProxyFacetSupport.java:271) at org.sonatype.nexus.repository.rubygems.internal.RubygemsProxyFacet.doGet(RubygemsProxyFacet.java:171) at org.sonatype.nexus.repository.proxy.ProxyFacetSupport.lambda$1(ProxyFacetSupport.java:245) at org.sonatype.nexus.common.io.CooperatingFuture.performCall(CooperatingFuture.java:122) at org.sonatype.nexus.common.io.CooperatingFuture.call(CooperatingFuture.java:64) at org.sonatype.nexus.common.io.ScopedCooperationFactorySupport$ScopedCooperation.cooperate(ScopedCooperationFactorySupport.java:99) at org.sonatype.nexus.repository.proxy.ProxyFacetSupport.get(ProxyFacetSupport.java:236) at org.sonatype.nexus.repository.proxy.ProxyHandler.handle(ProxyHandler.java:52) at org.sonatype.nexus.repository.view.Context.proceed(Context.java:80) at org.sonatype.nexus.repository.storage.LastDownloadedHandler.handle(LastDownloadedHandler.java:59) at org.sonatype.nexus.repository.view.Context.proceed(Context.java:80) at org.sonatype.nexus.repository.storage.UnitOfWorkHandler.handle(UnitOfWorkHandler.java:39) at org.sonatype.nexus.repository.view.Context.proceed(Context.java:80) at org.sonatype.nexus.repository.view.handlers.ContentHeadersHandler.handle(ContentHeadersHandler.java:46) at org.sonatype.nexus.repository.view.Context.proceed(Context.java:80) at org.sonatype.nexus.repository.view.handlers.ConditionalRequestHandler.handle(ConditionalRequestHandler.java:72) at org.sonatype.nexus.repository.view.Context.proceed(Context.java:80) at org.sonatype.nexus.repository.http.PartialFetchHandler.handle(PartialFetchHandler.java:59) at org.sonatype.nexus.repository.view.Context.proceed(Context.java:80) at org.sonatype.nexus.repository.cache.NegativeCacheHandler.handle(NegativeCacheHandler.java:56) at org.sonatype.nexus.repository.view.Context.proceed(Context.java:80) at com.sonatype.nexus.clm.internal.FirewallContributedHandler.handle(FirewallContributedHandler.java:98) at org.sonatype.nexus.repository.view.Context.proceed(Context.java:80) at org.sonatype.nexus.repository.view.handlers.HandlerContributor.handle(HandlerContributor.java:67) at org.sonatype.nexus.repository.view.Context.proceed(Context.java:80) at org.sonatype.nexus.repository.view.handlers.ExceptionHandler.handle(ExceptionHandler.java:42) at org.sonatype.nexus.repository.view.Context.proceed(Context.java:80) at org.sonatype.nexus.repository.routing.internal.RoutingRuleHandler.handle(RoutingRuleHandler.java:52) at org.sonatype.nexus.repository.view.Context.proceed(Context.java:80) at org.sonatype.nexus.repository.security.SecurityHandler.handle(SecurityHandler.java:51) at org.sonatype.nexus.repository.view.Context.proceed(Context.java:80) at org.sonatype.nexus.repository.view.handlers.TimingHandler.handle(TimingHandler.java:58) at org.sonatype.nexus.repository.view.Context.proceed(Context.java:80) at org.sonatype.nexus.repository.view.Context.start(Context.java:114) at org.sonatype.nexus.repository.view.Router.dispatch(Router.java:65) at org.sonatype.nexus.repository.view.ConfigurableViewFacet.dispatch(ConfigurableViewFacet.java:52) at org.sonatype.nexus.repository.view.ConfigurableViewFacet.dispatch(ConfigurableViewFacet.java:43) at org.sonatype.nexus.repository.httpbridge.internal.ViewServlet.dispatchAndSend(ViewServlet.java:213) at org.sonatype.nexus.repository.httpbridge.internal.ViewServlet.doService(ViewServlet.java:175) at org.sonatype.nexus.repository.httpbridge.internal.ViewServlet.service(ViewServlet.java:127) at javax.servlet.http.HttpServlet.service(HttpServlet.java:790) at com.google.inject.servlet.ServletDefinition.doServiceImpl(ServletDefinition.java:290) at com.google.inject.servlet.ServletDefinition.doService(ServletDefinition.java:280) at com.google.inject.servlet.ServletDefinition.service(ServletDefinition.java:184) at com.google.inject.servlet.DynamicServletPipeline.service(DynamicServletPipeline.java:71) at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:85) at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:112) at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:82) at org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:61) at org.apache.shiro.web.servlet.AdviceFilter.executeChain(AdviceFilter.java:108) at org.apache.shiro.web.servlet.AdviceFilter.doFilterInternal(AdviceFilter.java:137) at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125) at org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:66) at org.apache.shiro.web.servlet.AdviceFilter.executeChain(AdviceFilter.java:108) at org.apache.shiro.web.servlet.AdviceFilter.doFilterInternal(AdviceFilter.java:137) at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125) at org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:66) at org.apache.shiro.web.servlet.AdviceFilter.executeChain(AdviceFilter.java:108) at org.apache.shiro.web.servlet.AdviceFilter.doFilterInternal(AdviceFilter.java:137) at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125) at org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:66) at org.apache.shiro.web.servlet.AdviceFilter.executeChain(AdviceFilter.java:108) at org.apache.shiro.web.servlet.AdviceFilter.doFilterInternal(AdviceFilter.java:137) at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125) at org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:66) at org.apache.shiro.web.servlet.AbstractShiroFilter.executeChain(AbstractShiroFilter.java:449) at org.sonatype.nexus.security.SecurityFilter.executeChain(SecurityFilter.java:85) at org.apache.shiro.web.servlet.AbstractShiroFilter$1.call(AbstractShiroFilter.java:365) at org.apache.shiro.subject.support.SubjectCallable.doCall(SubjectCallable.java:90) at org.apache.shiro.subject.support.SubjectCallable.call(SubjectCallable.java:83) at org.apache.shiro.subject.support.DelegatingSubject.execute(DelegatingSubject.java:387) at org.apache.shiro.web.servlet.AbstractShiroFilter.doFilterInternal(AbstractShiroFilter.java:362) at org.sonatype.nexus.security.SecurityFilter.doFilterInternal(SecurityFilter.java:101) at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125) at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:82) at org.sonatype.nexus.repository.httpbridge.internal.ExhaustRequestFilter.doFilter(ExhaustRequestFilter.java:80) at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:82) at com.sonatype.nexus.licensing.internal.LicensingRedirectFilter.doFilter(LicensingRedirectFilter.java:116) at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:82) at com.codahale.metrics.servlet.AbstractInstrumentedFilter.doFilter(AbstractInstrumentedFilter.java:112) at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:82) at org.sonatype.nexus.internal.web.ErrorPageFilter.doFilter(ErrorPageFilter.java:79) at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:82) at org.sonatype.nexus.internal.web.EnvironmentFilter.doFilter(EnvironmentFilter.java:101) at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:82) at org.sonatype.nexus.internal.web.HeaderPatternFilter.doFilter(HeaderPatternFilter.java:98) at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:82) at com.google.inject.servlet.DynamicFilterPipeline.dispatch(DynamicFilterPipeline.java:104) at com.google.inject.servlet.GuiceFilter.doFilter(GuiceFilter.java:133) at org.sonatype.nexus.bootstrap.osgi.DelegatingFilter.doFilter(DelegatingFilter.java:73) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1602) 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:1700) 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:1667) 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 com.codahale.metrics.jetty9.InstrumentedHandler.handle(InstrumentedHandler.java:239) at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:152) at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132) at org.eclipse.jetty.server.Server.handle(Server.java:505) at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:370) at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:267) 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$2.run(ChannelEndPoint.java:117) at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:333) at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:310) at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:168) at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:126) at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:366) at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:698) at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:804) at java.lang.Thread.run(Thread.java:748)
