Nexus Repo migration IllegalStateException: Blob not found

Hi. I’m migrating nexus 3 from one server to another. I followed the instructions from this article: Moving a Nexus Repo 3 Installation to a New Location – Sonatype Support

It simply instructs to copy the application and the data directories to the target server. After copying the directories and running nexus, I’m getting the following exception while executing npm install:

2020-07-07 23:49:27,787+0000 WARN  [qtp1778217460-82] jenkins org.sonatype.nexus.repository.httpbridge.internal.ViewServlet - Service failure
org.sonatype.nexus.repository.storage.RetryDeniedException: Reached max retries: 8/8
        at org.sonatype.nexus.repository.storage.StorageTxImpl.allowRetry(StorageTxImpl.java:213) [na:na]
        at sun.reflect.GeneratedMethodAccessor61.invoke(Unknown Source) [na:na]
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) [na:1.8.0_252]
        at java.lang.reflect.Method.invoke(Method.java:498) [na:1.8.0_252]
        at org.sonatype.nexus.common.stateguard.SimpleMethodInvocation.proceed(SimpleMethodInvocation.java:53) [na:na]
        at org.sonatype.nexus.common.stateguard.StateGuardAspect$1.invoke(StateGuardAspect.java:69) [na:na]
        at com.sun.proxy.$Proxy143.allowRetry(Unknown Source) [na:na]
        at org.sonatype.nexus.transaction.TransactionalWrapper.proceedWithTransaction(TransactionalWrapper.java:79) [na:na]
        at org.sonatype.nexus.transaction.TransactionInterceptor.invoke(TransactionInterceptor.java:53) [na:na]
        at com.sonatype.nexus.repository.npm.internal.NpmProxyFacetImpl.getCachedContent(NpmProxyFacetImpl.java:75) [na:na]
        at org.sonatype.nexus.repository.proxy.ProxyFacetSupport.get(ProxyFacetSupport.java:160) [na:na]
        at org.sonatype.nexus.repository.proxy.ProxyHandler.handle(ProxyHandler.java:48) [na:na]
        at org.sonatype.nexus.repository.view.Context.proceed(Context.java:79) [na:na]
        at org.sonatype.nexus.repository.storage.UnitOfWorkHandler.handle(UnitOfWorkHandler.java:39) [na:na]
        at org.sonatype.nexus.repository.view.Context.proceed(Context.java:79) [na:na]
        at org.sonatype.nexus.repository.view.Context$proceed.call(Unknown Source) [na:na]
        at com.sonatype.nexus.repository.npm.internal.NpmProxyRecipe$_closure1.doCall(NpmProxyRecipe.groovy:139) [na:na]
        at sun.reflect.GeneratedMethodAccessor73.invoke(Unknown Source) [na:na]
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) [na:1.8.0_252]
        at java.lang.reflect.Method.invoke(Method.java:498) [na:1.8.0_252]
        at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:93) [na:na]
        at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:325) [na:na]
        at org.codehaus.groovy.runtime.metaclass.ClosureMetaClass.invokeMethod(ClosureMetaClass.java:294) [na:na]
        at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1019) [na:na]
        at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1084) [na:na]
        at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1019) [na:na]
        at groovy.lang.Closure.call(Closure.java:426) [na:na]
        at org.codehaus.groovy.runtime.ConvertedClosure.invokeCustom(ConvertedClosure.java:53) [na:na]
        at org.codehaus.groovy.runtime.ConversionHandler.invoke(ConversionHandler.java:105) [na:na]
        at com.sun.proxy.$Proxy127.handle(Unknown Source) [na:na]
        at org.sonatype.nexus.repository.view.Context.proceed(Context.java:79) [na:na]
        at org.sonatype.nexus.repository.view.handlers.ContentHeadersHandler.handle(ContentHeadersHandler.java:44) [na:na]
        at org.sonatype.nexus.repository.view.Context.proceed(Context.java:79) [na:na]
        at org.sonatype.nexus.repository.view.handlers.ConditionalRequestHandler.handle(ConditionalRequestHandler.java:72) [na:na]
        at org.sonatype.nexus.repository.view.Context.proceed(Context.java:79) [na:na]
        at org.sonatype.nexus.repository.http.PartialFetchHandler.handle(PartialFetchHandler.java:55) [na:na]
        at org.sonatype.nexus.repository.view.Context.proceed(Context.java:79) [na:na]
        at org.sonatype.nexus.repository.cache.NegativeCacheHandler.handle(NegativeCacheHandler.java:50) [na:na]
        at org.sonatype.nexus.repository.view.Context.proceed(Context.java:79) [na:na]
        at com.sonatype.nexus.repository.npm.internal.NpmHandlers$1.handle(NpmHandlers.java:110) [na:na]
        at org.sonatype.nexus.repository.view.Context.proceed(Context.java:79) [na:na]
        at org.sonatype.nexus.repository.security.SecurityHandler.handle(SecurityHandler.java:45) [na:na]
        at org.sonatype.nexus.repository.view.Context.proceed(Context.java:79) [na:na]
        at org.sonatype.nexus.repository.view.handlers.TimingHandler.handle(TimingHandler.java:46) [na:na]
        at org.sonatype.nexus.repository.view.Context.proceed(Context.java:79) [na:na]
        at org.sonatype.nexus.repository.view.Context.start(Context.java:102) [na:na]
        at org.sonatype.nexus.repository.view.Router.dispatch(Router.java:58) [na:na]
        at org.sonatype.nexus.repository.view.ConfigurableViewFacet.dispatch(ConfigurableViewFacet.java:43) [na:na]
        at org.sonatype.nexus.repository.group.GroupHandler.getAll(GroupHandler.java:147) [na:na]
        at sun.reflect.GeneratedMethodAccessor72.invoke(Unknown Source) [na:na]
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) [na:1.8.0_252]
        at java.lang.reflect.Method.invoke(Method.java:498) [na:1.8.0_252]
        at org.codehaus.groovy.runtime.callsite.PogoMetaMethodSite$PogoCachedMethodSiteNoUnwrapNoCoerce.invoke(PogoMetaMethodSite.java:210) [na:na]
        at org.codehaus.groovy.runtime.callsite.PogoMetaMethodSite.callCurrent(PogoMetaMethodSite.java:59) [na:na]
        at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:182) [na:na]
        at com.sonatype.nexus.repository.npm.internal.NpmGroupPackageHandler.doGet(NpmGroupPackageHandler.groovy:51) [na:na]
        at org.sonatype.nexus.repository.group.GroupHandler.handle(GroupHandler.java:79) [na:na]
        at org.sonatype.nexus.repository.view.Context.proceed(Context.java:79) [na:na]
        at org.sonatype.nexus.repository.security.SecurityHandler.handle(SecurityHandler.java:45) [na:na]
        at org.sonatype.nexus.repository.view.Context.proceed(Context.java:79) [na:na]
        at org.sonatype.nexus.repository.view.handlers.TimingHandler.handle(TimingHandler.java:46) [na:na]
        at org.sonatype.nexus.repository.view.Context.proceed(Context.java:79) [na:na]
        at org.sonatype.nexus.repository.view.Context.start(Context.java:102) [na:na]
        at org.sonatype.nexus.repository.view.Router.dispatch(Router.java:58) [na:na]
        at org.sonatype.nexus.repository.view.ConfigurableViewFacet.dispatch(ConfigurableViewFacet.java:43) [na:na]
        at org.sonatype.nexus.repository.httpbridge.internal.ViewServlet.dispatchAndSend(ViewServlet.java:198) [na:na]
        at org.sonatype.nexus.repository.httpbridge.internal.ViewServlet.doService(ViewServlet.java:160) [na:na]
        at org.sonatype.nexus.repository.httpbridge.internal.ViewServlet.service(ViewServlet.java:117) [na:na]
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:790) [javax.servlet-api:3.1.0]
        at com.google.inject.servlet.ServletDefinition.doServiceImpl(ServletDefinition.java:287) [com.google.inject:4.0.0]
        at com.google.inject.servlet.ServletDefinition.doService(ServletDefinition.java:277) [com.google.inject:4.0.0]
        at com.google.inject.servlet.ServletDefinition.service(ServletDefinition.java:182) [com.google.inject:4.0.0]
        at com.google.inject.servlet.DynamicServletPipeline.service(DynamicServletPipeline.java:71) [com.google.inject:4.0.0]
        at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:85) [com.google.inject:4.0.0]
        at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:112) [org.apache.shiro.web:1.2.4]
        at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:82) [com.google.inject:4.0.0]
        at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:112) [org.apache.shiro.web:1.2.4]
        at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:82) [com.google.inject:4.0.0]
        at org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:61) [org.apache.shiro.web:1.2.4]
        at org.apache.shiro.web.servlet.AdviceFilter.executeChain(AdviceFilter.java:108) [org.apache.shiro.web:1.2.4]
        at org.apache.shiro.web.servlet.AdviceFilter.doFilterInternal(AdviceFilter.java:137) [org.apache.shiro.web:1.2.4]
        at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125) [org.apache.shiro.web:1.2.4]
        at org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:66) [org.apache.shiro.web:1.2.4]
        at org.apache.shiro.web.servlet.AdviceFilter.executeChain(AdviceFilter.java:108) [org.apache.shiro.web:1.2.4]
        at org.apache.shiro.web.servlet.AdviceFilter.doFilterInternal(AdviceFilter.java:137) [org.apache.shiro.web:1.2.4]
        at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125) [org.apache.shiro.web:1.2.4]
        at org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:66) [org.apache.shiro.web:1.2.4]
        at org.apache.shiro.web.servlet.AdviceFilter.executeChain(AdviceFilter.java:108) [org.apache.shiro.web:1.2.4]
        at org.apache.shiro.web.servlet.AdviceFilter.doFilterInternal(AdviceFilter.java:137) [org.apache.shiro.web:1.2.4]
        at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125) [org.apache.shiro.web:1.2.4]
        at org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:66) [org.apache.shiro.web:1.2.4]
        at org.apache.shiro.web.servlet.AbstractShiroFilter.executeChain(AbstractShiroFilter.java:449) [org.apache.shiro.web:1.2.4]
        at org.sonatype.nexus.security.SecurityFilter.executeChain(SecurityFilter.java:85) [org.sonatype.nexus.security:3.0.1.01]
        at org.apache.shiro.web.servlet.AbstractShiroFilter$1.call(AbstractShiroFilter.java:365) [org.apache.shiro.web:1.2.4]
        at org.apache.shiro.subject.support.SubjectCallable.doCall(SubjectCallable.java:90) [org.apache.shiro.core:1.2.4]
        at org.apache.shiro.subject.support.SubjectCallable.call(SubjectCallable.java:83) [org.apache.shiro.core:1.2.4]
        at org.apache.shiro.subject.support.DelegatingSubject.execute(DelegatingSubject.java:383) [org.apache.shiro.core:1.2.4]
        at org.apache.shiro.web.servlet.AbstractShiroFilter.doFilterInternal(AbstractShiroFilter.java:362) [org.apache.shiro.web:1.2.4]
        at org.sonatype.nexus.security.SecurityFilter.doFilterInternal(SecurityFilter.java:101) [org.sonatype.nexus.security:3.0.1.01]
        at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125) [org.apache.shiro.web:1.2.4]
        at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:82) [com.google.inject:4.0.0]
        at com.codahale.metrics.servlet.AbstractInstrumentedFilter.doFilter(AbstractInstrumentedFilter.java:97) [com.codahale.metrics.servlet:3.0.2]
        at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:82) [com.google.inject:4.0.0]
        at org.sonatype.nexus.internal.web.ErrorPageFilter.doFilter(ErrorPageFilter.java:63) [org.sonatype.nexus.base:3.0.1.01]
        at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:82) [com.google.inject:4.0.0]
        at org.sonatype.nexus.internal.web.EnvironmentFilter.doFilter(EnvironmentFilter.java:97) [org.sonatype.nexus.base:3.0.1.01]
        at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:82) [com.google.inject:4.0.0]
        at com.google.inject.servlet.DynamicFilterPipeline.dispatch(DynamicFilterPipeline.java:104) [com.google.inject:4.0.0]
        at com.google.inject.servlet.GuiceFilter$1.call(GuiceFilter.java:133) [com.google.inject:4.0.0]
        at com.google.inject.servlet.GuiceFilter$1.call(GuiceFilter.java:130) [com.google.inject:4.0.0]
        at com.google.inject.servlet.GuiceFilter$Context.call(GuiceFilter.java:203) [com.google.inject:4.0.0]
        at com.google.inject.servlet.GuiceFilter.doFilter(GuiceFilter.java:130) [com.google.inject:4.0.0]
        at org.sonatype.nexus.bootstrap.osgi.DelegatingFilter.doFilter(DelegatingFilter.java:73) [org.sonatype.nexus.bootstrap:3.0.1.01]
        at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1668) [org.eclipse.jetty.servlet:9.3.7.v20160115]
        at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:581) [org.eclipse.jetty.servlet:9.3.7.v20160115]
        at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [org.eclipse.jetty.server:9.3.7.v20160115]
        at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548) [org.eclipse.jetty.security:9.3.7.v20160115]
        at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:226) [org.eclipse.jetty.server:9.3.7.v20160115]
        at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1158) [org.eclipse.jetty.server:9.3.7.v20160115]
        at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:511) [org.eclipse.jetty.servlet:9.3.7.v20160115]
        at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185) [org.eclipse.jetty.server:9.3.7.v20160115]
        at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1090) [org.eclipse.jetty.server:9.3.7.v20160115]
        at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [org.eclipse.jetty.server:9.3.7.v20160115]
        at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:119) [org.eclipse.jetty.server:9.3.7.v20160115]
        at com.codahale.metrics.jetty9.InstrumentedHandler.handle(InstrumentedHandler.java:175) [com.codahale.metrics.jetty9:3.0.2]
        at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:109) [org.eclipse.jetty.server:9.3.7.v20160115]
        at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:119) [org.eclipse.jetty.server:9.3.7.v20160115]
        at org.eclipse.jetty.server.Server.handle(Server.java:517) [org.eclipse.jetty.server:9.3.7.v20160115]
        at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:308) [org.eclipse.jetty.server:9.3.7.v20160115]
        at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:242) [org.eclipse.jetty.server:9.3.7.v20160115]
        at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:273) [org.eclipse.jetty.io:9.3.7.v20160115]
        at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:95) [org.eclipse.jetty.io:9.3.7.v20160115]
        at org.eclipse.jetty.io.SelectChannelEndPoint$2.run(SelectChannelEndPoint.java:75) [org.eclipse.jetty.io:9.3.7.v20160115]
        at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceAndRun(ExecuteProduceConsume.java:213) [org.eclipse.jetty.util:9.3.7.v20160115]
        at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:147) [org.eclipse.jetty.util:9.3.7.v20160115]
        at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:654) [org.eclipse.jetty.util:9.3.7.v20160115]
        at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:572) [org.eclipse.jetty.util:9.3.7.v20160115]
        at java.lang.Thread.run(Thread.java:748) [na:1.8.0_252]

Caused By: java.lang.IllegalStateException: Blob not found: npm-proxy@E22CADD6-CF1386E4-99FCB47B-6C966FFD-8F16269E:7caf2779-66a6-47c7-8308-ea2aae210730
        at com.google.common.base.Preconditions.checkState(Preconditions.java:197) [na:na]
        at org.sonatype.nexus.repository.storage.StorageTxImpl.requireBlob(StorageTxImpl.java:707) [na:na]
        at sun.reflect.GeneratedMethodAccessor60.invoke(Unknown Source) [na:na]
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) [na:1.8.0_252]
        at java.lang.reflect.Method.invoke(Method.java:498) [na:1.8.0_252]
        at org.sonatype.nexus.common.stateguard.SimpleMethodInvocation.proceed(SimpleMethodInvocation.java:53) [na:na]
        at org.sonatype.nexus.common.stateguard.MethodInvocationAction.run(MethodInvocationAction.java:39) [na:na]
        at org.sonatype.nexus.common.stateguard.StateGuard$GuardImpl.run(StateGuard.java:270) [na:na]
        at org.sonatype.nexus.common.stateguard.GuardedInterceptor.invoke(GuardedInterceptor.java:53) [na:na]
        at org.sonatype.nexus.common.stateguard.StateGuardAspect$1.invoke(StateGuardAspect.java:63) [na:na]
        at com.sun.proxy.$Proxy143.requireBlob(Unknown Source) [na:na]
        at com.sonatype.nexus.repository.npm.internal.NpmFacetUtils.loadPackageRoot(NpmFacetUtils.java:268) [na:na]
        at com.sonatype.nexus.repository.npm.internal.NpmProxyFacetImpl.getPackageRoot(NpmProxyFacetImpl.java:182) [na:na]
        at org.sonatype.nexus.transaction.TransactionalWrapper.proceedWithTransaction(TransactionalWrapper.java:54) [na:na]

I get this error for all the proxied npm packages which are configured to be fetched from npmjs. The private npm packages work fine. The existing server (from which I’m migrating) works fine for all the packages. What can be the issue?

Found the solution. I ignored an instruction in the referred article: “Note that the directories must be copied when Nexus Repo is not running

Copied the directories again with nexus service stopped and everything worked now. Leaving it here as a reference if anybody stumbles on the same issue.