Error when updating blob store

2021-01-04 20:04:22,183+0000 INFO  [qtp144809109-1657]  admin org.sonatype.nexus.blobstore.s3.internal.BucketManager - Exception thrown checking AWS credentials.com.amazonaws.services.s3.model.AmazonS3Exception: 
Service Unavailable (Service: Amazon S3; Status Code: 503; Error Code: 503 Service Unavailable; Request ID: null; S3 Extended Request ID: null; Proxy: null)
  at com.amazonaws.http.AmazonHttpClient$RequestExecutor.handleErrorResponse(AmazonHttpClient.java:1811)
  at com.amazonaws.http.AmazonHttpClient$RequestExecutor.handleServiceErrorResponse(AmazonHttpClient.java:1395)
  at com.amazonaws.http.AmazonHttpClient$RequestExecutor.executeOneRequest(AmazonHttpClient.java:1371)
  at com.amazonaws.http.AmazonHttpClient$RequestExecutor.executeHelper(AmazonHttpClient.java:1145)
  at com.amazonaws.http.AmazonHttpClient$RequestExecutor.doExecute(AmazonHttpClient.java:802)
  at com.amazonaws.http.AmazonHttpClient$RequestExecutor.executeWithTimer(AmazonHttpClient.java:770)
  at com.amazonaws.http.AmazonHttpClient$RequestExecutor.execute(AmazonHttpClient.java:744)
  at com.amazonaws.http.AmazonHttpClient$RequestExecutor.access$500(AmazonHttpClient.java:704)
  at com.amazonaws.http.AmazonHttpClient$RequestExecutionBuilderImpl.execute(AmazonHttpClient.java:686)
  at com.amazonaws.http.AmazonHttpClient.execute(AmazonHttpClient.java:550)
  at com.amazonaws.http.AmazonHttpClient.execute(AmazonHttpClient.java:530)
  at com.amazonaws.services.s3.AmazonS3Client.invoke(AmazonS3Client.java:5062)
  at com.amazonaws.services.s3.AmazonS3Client.invoke(AmazonS3Client.java:5008)
  at com.amazonaws.services.s3.AmazonS3Client.getAcl(AmazonS3Client.java:3919)
  at com.amazonaws.services.s3.AmazonS3Client.getBucketAcl(AmazonS3Client.java:1244)
  at com.amazonaws.services.s3.AmazonS3Client.getBucketAcl(AmazonS3Client.java:1234)
  at com.amazonaws.services.s3.AmazonS3Client.doesBucketExistV2(AmazonS3Client.java:1372)
  at org.sonatype.nexus.blobstore.s3.internal.BucketManager.checkCredentials(BucketManager.java:227)
  at org.sonatype.nexus.blobstore.s3.internal.BucketManager.checkPermissions(BucketManager.java:219)
  at org.sonatype.nexus.blobstore.s3.internal.BucketManager.prepareStorageLocation(BucketManager.java:73)
  at org.sonatype.nexus.blobstore.s3.internal.S3BlobStore.doInit(S3BlobStore.java:563)
  at org.sonatype.nexus.blobstore.BlobStoreSupport.init(BlobStoreSupport.java:245)
  at org.sonatype.nexus.repository.internal.blobstore.BlobStoreManagerImpl.update(BlobStoreManagerImpl.java:253)
  at org.sonatype.nexus.repository.internal.blobstore.BlobStoreManagerImpl$$EnhancerByGuice$$8cce5dd4.CGLIB$update$12(<generated>)
  at org.sonatype.nexus.repository.internal.blobstore.BlobStoreManagerImpl$$EnhancerByGuice$$8cce5dd4$$FastClassByGuice$$34361d84.invoke(<generated>)
  at com.google.inject.internal.cglib.proxy.$MethodProxy.invokeSuper(MethodProxy.java:228)
  at com.google.inject.internal.InterceptorStackCallback$InterceptedMethodInvocation.proceed(InterceptorStackCallback.java:76)
  at org.sonatype.nexus.common.stateguard.MethodInvocationAction.run(MethodInvocationAction.java:39)
  at org.sonatype.nexus.common.stateguard.StateGuard$GuardImpl.run(StateGuard.java:272)
  at org.sonatype.nexus.common.stateguard.GuardedInterceptor.invoke(GuardedInterceptor.java:54)
  at com.google.inject.internal.InterceptorStackCallback$InterceptedMethodInvocation.proceed(InterceptorStackCallback.java:78)
  at com.google.inject.internal.InterceptorStackCallback.intercept(InterceptorStackCallback.java:54)
  at org.sonatype.nexus.repository.internal.blobstore.BlobStoreManagerImpl$$EnhancerByGuice$$8cce5dd4.update(<generated>)
  at org.sonatype.nexus.blobstore.api.BlobStoreManager$update$4.call(Unknown Source)
  at org.sonatype.nexus.coreui.BlobStoreComponent.update(BlobStoreComponent.groovy:203)
  at org.sonatype.nexus.coreui.BlobStoreComponent$$EnhancerByGuice$$96a0e860.CGLIB$update$39(<generated>)
  at org.sonatype.nexus.coreui.BlobStoreComponent$$EnhancerByGuice$$96a0e860$$FastClassByGuice$$f7d0f0f1.invoke(<generated>)
  at com.google.inject.internal.cglib.proxy.$MethodProxy.invokeSuper(MethodProxy.java:228)
  at com.google.inject.internal.InterceptorStackCallback$InterceptedMethodInvocation.proceed(InterceptorStackCallback.java:76)
  at com.palominolabs.metrics.guice.ExceptionMeteredInterceptor.invoke(ExceptionMeteredInterceptor.java:23)
  at com.google.inject.internal.InterceptorStackCallback$InterceptedMethodInvocation.proceed(InterceptorStackCallback.java:78)
  at com.palominolabs.metrics.guice.TimedInterceptor.invoke(TimedInterceptor.java:26)
  at com.google.inject.internal.InterceptorStackCallback$InterceptedMethodInvocation.proceed(InterceptorStackCallback.java:78)
  at org.sonatype.nexus.validation.internal.ValidationInterceptor.invoke(ValidationInterceptor.java:53)
  at com.google.inject.internal.InterceptorStackCallback$InterceptedMethodInvocation.proceed(InterceptorStackCallback.java:78)
  at org.apache.shiro.guice.aop.AopAllianceMethodInvocationAdapter.proceed(AopAllianceMethodInvocationAdapter.java:49)
  at org.apache.shiro.authz.aop.AuthorizingAnnotationMethodInterceptor.invoke(AuthorizingAnnotationMethodInterceptor.java:68)
  at org.apache.shiro.guice.aop.AopAllianceMethodInterceptorAdapter.invoke(AopAllianceMethodInterceptorAdapter.java:36)
  at com.google.inject.internal.InterceptorStackCallback$InterceptedMethodInvocation.proceed(InterceptorStackCallback.java:78)
  at com.google.inject.internal.InterceptorStackCallback.intercept(InterceptorStackCallback.java:54)
  at org.sonatype.nexus.coreui.BlobStoreComponent$$EnhancerByGuice$$96a0e860.update(<generated>)
  at sun.reflect.GeneratedMethodAccessor501.invoke(Unknown Source)
  at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  at java.lang.reflect.Method.invoke(Method.java:498)
  at com.softwarementors.extjs.djn.router.dispatcher.DispatcherBase.invokeJavaMethod(DispatcherBase.java:142)
  at com.softwarementors.extjs.djn.router.dispatcher.DispatcherBase.invokeMethod(DispatcherBase.java:133)
  at org.sonatype.nexus.extdirect.internal.ExtDirectDispatcher.invokeMethod(ExtDirectDispatcher.java:82)
  at com.softwarementors.extjs.djn.router.dispatcher.DispatcherBase.dispatch(DispatcherBase.java:63)
  at com.softwarementors.extjs.djn.router.processor.standard.StandardRequestProcessorBase.dispatchStandardMethod(StandardRequestProcessorBase.java:73)
  at com.softwarementors.extjs.djn.router.processor.standard.json.JsonRequestProcessor.processIndividualRequest(JsonRequestProcessor.java:502)
  at com.softwarementors.extjs.djn.router.processor.standard.json.JsonRequestProcessor.processIndividualRequestsInThisThread(JsonRequestProcessor.java:150)
  at com.softwarementors.extjs.djn.router.processor.standard.json.JsonRequestProcessor.process(JsonRequestProcessor.java:133)
  at com.softwarementors.extjs.djn.router.RequestRouter.processJsonRequest(RequestRouter.java:83)
  at com.softwarementors.extjs.djn.servlet.DirectJNgineServlet.processRequest(DirectJNgineServlet.java:632)
  at com.softwarementors.extjs.djn.servlet.DirectJNgineServlet.doPost(DirectJNgineServlet.java:595)
  at org.sonatype.nexus.extdirect.internal.ExtDirectServlet.doPost(ExtDirectServlet.java:137)
  at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
  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.AbstractShiroFilter.executeChain(AbstractShiroFilter.java:450)
  at org.sonatype.nexus.security.SecurityFilter.executeChain(SecurityFilter.java:96)
  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:112)
  at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125)
  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.FilterHolder.doFilter(FilterHolder.java:201)
  at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1609)
  at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:561)
  at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)
  at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602)
  at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
  at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235)
  at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1612)
  at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233)
  at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434)
  at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188)
  at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501)
  at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1582)
  at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186)
  at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349)
  at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
  at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
  at com.codahale.metrics.jetty9.InstrumentedHandler.handle(InstrumentedHandler.java:239)
  at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:146)
  at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
  at org.eclipse.jetty.server.Server.handle(Server.java:516)
  at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:383)
  at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:556)
  at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:375)
  at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:273)
  at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311)
  at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105)
  at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104)
  at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:336)
  at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:313)
  at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:171)
  at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:129)
  at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:375)
  at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:773)
  at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:905)
  at java.lang.Thread.run(Thread.java:748)