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Exceptions when searching, registering, and installing on supported PyPI repositories

Nexus OSS 3.7.1-02, running on RHEL7, Python 2.7.5 / 3.4, version for twine 1.9.1 (pkginfo: 1.4.1, queries: 2.8.1, setuptools: 28.8.0, request-toolbelt: 0.8. 0, tqdm: 4.19.5)

I am an absolute beginner for Python and Nexus :)

Hosting multiple PyPI repositories as shown below:

enter image description here

Consider the repositories. Python package

enter image description here

1. failed to register

[root@l4496t dist]# twine register --repository-url http://l5111t.sss.se.com:8081/repository/python-packaging/ python-packaging-2.0.tar.gz
Registering package to http://l5111t.sss.se.com:8081/repository/python-packaging/
Enter your username: devjenkinsuser
Enter your password:
Registering python-packaging-2.0.tar.gz
HTTPError: 500 Server Error: javax.servlet.ServletException: java.lang.IllegalStateException for url: http://l5111t.sss.se.com:8081/repository/python-packaging/

nexus.log:

2018-02-12 13:40:00,002+0000 INFO  [quartz-3-thread-19]  *SYSTEM org.sonatype.nexus.quartz.internal.task.QuartzTaskInfo - Task 'Storage facet cleanup' [repository.storage-facet-cleanup] state change WAITING -> RUNNING
2018-02-12 13:40:00,003+0000 INFO  [quartz-3-thread-19]  *SYSTEM org.sonatype.nexus.quartz.internal.task.QuartzTaskInfo - Task 'Storage facet cleanup' [repository.storage-facet-cleanup] state change RUNNING -> WAITING (OK)
2018-02-12 13:40:36,766+0000 WARN  [qtp153196240-253]  devjenkinsuser org.sonatype.nexus.repository.httpbridge.internal.ViewServlet - Failure servicing: POST /repository/python-packaging/
java.lang.IllegalStateException: null
    at org.sonatype.nexus.repository.pypi.internal.HostedHandlers.extractPayloads(HostedHandlers.java:141)
    at org.sonatype.nexus.repository.pypi.internal.HostedHandlers.lambda$2(HostedHandlers.java:106)
    at org.sonatype.nexus.repository.view.Context.proceed(Context.java:80)
    at org.sonatype.nexus.repository.storage.UnitOfWorkHandler.handle(UnitOfWorkHandler.java:39)
    at org.sonatype.nexus.repository.view.Context.proceed(Context.java:80)
    at org.sonatype.nexus.repository.view.handlers.ContentHeadersHandler.handle(ContentHeadersHandler.java:44)
    at org.sonatype.nexus.repository.view.Context.proceed(Context.java:80)
    at org.sonatype.nexus.repository.view.handlers.ConditionalRequestHandler.handle(ConditionalRequestHandler.java:72)
    at org.sonatype.nexus.repository.view.Context.proceed(Context.java:80)
    at org.sonatype.nexus.repository.assetdownloadcount.internal.AssetDownloadCountContributedHandler.handle(AssetDownloadCountContributedHandler.java:53)
    at org.sonatype.nexus.repository.view.Context.proceed(Context.java:80)
    at org.sonatype.nexus.repository.view.handlers.HandlerContributor.handle(HandlerContributor.java:67)
    at org.sonatype.nexus.repository.view.Context.proceed(Context.java:80)
    at org.sonatype.nexus.repository.view.handlers.ExceptionHandler.handle(ExceptionHandler.java:44)
    at org.sonatype.nexus.repository.view.Context.proceed(Context.java:80)
    at org.sonatype.nexus.repository.security.SecurityHandler.handle(SecurityHandler.java:52)
    at org.sonatype.nexus.repository.view.Context.proceed(Context.java:80)
    at org.sonatype.nexus.repository.view.Context$proceed$5.call(Unknown Source)
    at org.sonatype.nexus.repository.pypi.internal.PyPiRecipeSupport$_closure1.doCall(PyPiRecipeSupport.groovy:94)
    at sun.reflect.GeneratedMethodAccessor437.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:498)
    at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:93)
    at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:325)
    at org.codehaus.groovy.runtime.metaclass.ClosureMetaClass.invokeMethod(ClosureMetaClass.java:294)
    at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1022)
    at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1087)
    at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1022)
    at groovy.lang.Closure.call(Closure.java:414)
    at org.codehaus.groovy.runtime.ConvertedClosure.invokeCustom(ConvertedClosure.java:54)
    at org.codehaus.groovy.runtime.ConversionHandler.invoke(ConversionHandler.java:124)
    at com.sun.proxy.$Proxy179.handle(Unknown Source)
    at org.sonatype.nexus.repository.view.Context.proceed(Context.java:80)
    at org.sonatype.nexus.repository.view.handlers.TimingHandler.handle(TimingHandler.java:46)
    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:63)
    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:200)
    at org.sonatype.nexus.repository.httpbridge.internal.ViewServlet.doService(ViewServlet.java:162)
    at org.sonatype.nexus.repository.httpbridge.internal.ViewServlet.service(ViewServlet.java:119)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
    at com.google.inject.servlet.ServletDefinition.doServiceImpl(ServletDefinition.java:286)
    at com.google.inject.servlet.ServletDefinition.doService(ServletDefinition.java:276)
    at com.google.inject.servlet.ServletDefinition.service(ServletDefinition.java:181)
    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: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:383)
    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:71)
    at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:82)
    at com.sonatype.nexus.licensing.internal.LicensingRedirectFilter.doFilter(LicensingRedirectFilter.java:108)
    at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:82)
    at com.codahale.metrics.servlet.AbstractInstrumentedFilter.doFilter(AbstractInstrumentedFilter.java:97)
    at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:82)
    at org.sonatype.nexus.internal.web.ErrorPageFilter.doFilter(ErrorPageFilter.java:68)
    at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:82)
    at org.sonatype.nexus.internal.web.EnvironmentFilter.doFilter(EnvironmentFilter.java:102)
    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:135)
    at org.sonatype.nexus.bootstrap.osgi.DelegatingFilter.doFilter(DelegatingFilter.java:73)
    at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1751)
    at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:582)
    at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)
    at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548)
    at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:226)
    at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1180)
    at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:512)
    at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)
    at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1112)
    at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
    at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:134)
    at com.codahale.metrics.jetty9.InstrumentedHandler.handle(InstrumentedHandler.java:175)
    at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:119)
    at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:134)
    at org.eclipse.jetty.server.Server.handle(Server.java:534)
    at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:320)
    at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:251)
    at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:283)
    at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:108)
    at org.eclipse.jetty.io.SelectChannelEndPoint$2.run(SelectChannelEndPoint.java:93)
    at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:303)
    at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
    at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136)
    at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
    at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
    at java.lang.Thread.run(Thread.java:748)

2. load successfully (although there was nothing in nexus.log for this)

3. peak search does not work with NPE

[root@l4496t dist]# pip search -i http://l5111t.sss.se.com:8081/repository/python-packaging/ python-packaging -vvv
Starting new HTTP connection (1): proxysesosrv.com
"POST http://l5111t.sss.se.com:8081/repository/python-packaging/ HTTP/1.1" 401 0
User for l5111t.sss.se.com:8081: devjenkinsuser
Password:
"POST http://l5111t.sss.se.com:8081/repository/python-packaging/ HTTP/1.1" 500 1998
HTTP error 500 while getting http://l5111t.sss.se.com:8081/repository/python-packaging/
Exception:
Traceback (most recent call last):
  File "/usr/lib/python3.4/site-packages/pip/basecommand.py", line 215, in main
    status = self.run(options, args)
  File "/usr/lib/python3.4/site-packages/pip/commands/search.py", line 45, in run
    pypi_hits = self.search(query, options)
  File "/usr/lib/python3.4/site-packages/pip/commands/search.py", line 62, in search
    hits = pypi.search({'name': query, 'summary': query}, 'or')
  File "/usr/lib64/python3.4/xmlrpc/client.py", line 1105, in __call__
    return self.__send(self.__name, args)
  File "/usr/lib64/python3.4/xmlrpc/client.py", line 1445, in __request
    verbose=self.__verbose
  File "/usr/lib/python3.4/site-packages/pip/download.py", line 776, in request
    response.raise_for_status()
  File "/usr/lib/python3.4/site-packages/pip/_vendor/requests/models.py", line 862, in raise_for_status
    raise HTTPError(http_error_msg, response=self)
pip._vendor.requests.exceptions.HTTPError: 500 Server Error: javax.servlet.ServletException: java.lang.NullPointerException for url: http://l5111t.sss.se.com:8081/repository/python-packaging/

nexus.log

2018-02-12 13:50:00,003+0000 INFO  [quartz-3-thread-19]  *SYSTEM org.sonatype.nexus.quartz.internal.task.QuartzTaskInfo - Task 'Storage facet cleanup' [repository.storage-facet-cleanup] state change WAITING -> RUNNING
2018-02-12 13:50:00,004+0000 INFO  [quartz-3-thread-19]  *SYSTEM org.sonatype.nexus.quartz.internal.task.QuartzTaskInfo - Task 'Storage facet cleanup' [repository.storage-facet-cleanup] state change RUNNING -> WAITING (OK)
2018-02-12 13:51:05,429+0000 WARN  [qtp153196240-220]  devjenkinsuser org.sonatype.nexus.repository.httpbridge.internal.ViewServlet - Failure servicing: POST /repository/python-packaging/
java.lang.NullPointerException: null
    at com.google.common.base.Preconditions.checkNotNull(Preconditions.java:770)
    at org.sonatype.nexus.repository.pypi.internal.HostedHandlers.extractPayloads(HostedHandlers.java:126)
    at org.sonatype.nexus.repository.pypi.internal.HostedHandlers.lambda$2(HostedHandlers.java:106)
    at org.sonatype.nexus.repository.view.Context.proceed(Context.java:80)
    at org.sonatype.nexus.repository.storage.UnitOfWorkHandler.handle(UnitOfWorkHandler.java:39)
    at org.sonatype.nexus.repository.view.Context.proceed(Context.java:80)
    at org.sonatype.nexus.repository.view.handlers.ContentHeadersHandler.handle(ContentHeadersHandler.java:44)
    at org.sonatype.nexus.repository.view.Context.proceed(Context.java:80)
    at org.sonatype.nexus.repository.view.handlers.ConditionalRequestHandler.handle(ConditionalRequestHandler.java:72)
    at org.sonatype.nexus.repository.view.Context.proceed(Context.java:80)
    at org.sonatype.nexus.repository.assetdownloadcount.internal.AssetDownloadCountContributedHandler.handle(AssetDownloadCountContributedHandler.java:53)
    at org.sonatype.nexus.repository.view.Context.proceed(Context.java:80)
    at org.sonatype.nexus.repository.view.handlers.HandlerContributor.handle(HandlerContributor.java:67)
    at org.sonatype.nexus.repository.view.Context.proceed(Context.java:80)
    at org.sonatype.nexus.repository.view.handlers.ExceptionHandler.handle(ExceptionHandler.java:44)
    at org.sonatype.nexus.repository.view.Context.proceed(Context.java:80)
    at org.sonatype.nexus.repository.security.SecurityHandler.handle(SecurityHandler.java:52)
    at org.sonatype.nexus.repository.view.Context.proceed(Context.java:80)
    at org.sonatype.nexus.repository.view.Context$proceed$5.call(Unknown Source)
    at org.sonatype.nexus.repository.pypi.internal.PyPiRecipeSupport$_closure1.doCall(PyPiRecipeSupport.groovy:94)
    at sun.reflect.GeneratedMethodAccessor437.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:498)
    at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:93)
    at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:325)
    at org.codehaus.groovy.runtime.metaclass.ClosureMetaClass.invokeMethod(ClosureMetaClass.java:294)
    at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1022)
    at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1087)
    at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1022)
    at groovy.lang.Closure.call(Closure.java:414)
    at org.codehaus.groovy.runtime.ConvertedClosure.invokeCustom(ConvertedClosure.java:54)
    at org.codehaus.groovy.runtime.ConversionHandler.invoke(ConversionHandler.java:124)
    at com.sun.proxy.$Proxy179.handle(Unknown Source)
    at org.sonatype.nexus.repository.view.Context.proceed(Context.java:80)
    at org.sonatype.nexus.repository.view.handlers.TimingHandler.handle(TimingHandler.java:46)
    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:63)
    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:200)
    at org.sonatype.nexus.repository.httpbridge.internal.ViewServlet.doService(ViewServlet.java:162)
    at org.sonatype.nexus.repository.httpbridge.internal.ViewServlet.service(ViewServlet.java:119)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
    at com.google.inject.servlet.ServletDefinition.doServiceImpl(ServletDefinition.java:286)
    at com.google.inject.servlet.ServletDefinition.doService(ServletDefinition.java:276)
    at com.google.inject.servlet.ServletDefinition.service(ServletDefinition.java:181)
    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: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:383)
    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:71)
    at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:82)
    at com.sonatype.nexus.licensing.internal.LicensingRedirectFilter.doFilter(LicensingRedirectFilter.java:108)
    at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:82)
    at com.codahale.metrics.servlet.AbstractInstrumentedFilter.doFilter(AbstractInstrumentedFilter.java:97)
    at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:82)
    at org.sonatype.nexus.internal.web.ErrorPageFilter.doFilter(ErrorPageFilter.java:68)
    at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:82)
    at org.sonatype.nexus.internal.web.EnvironmentFilter.doFilter(EnvironmentFilter.java:102)
    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:135)
    at org.sonatype.nexus.bootstrap.osgi.DelegatingFilter.doFilter(DelegatingFilter.java:73)
    at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1751)
    at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:582)
    at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)
    at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548)
    at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:226)
    at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1180)
    at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:512)
    at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)
    at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1112)
    at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
    at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:134)
    at com.codahale.metrics.jetty9.InstrumentedHandler.handle(InstrumentedHandler.java:175)
    at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:119)
    at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:134)
    at org.eclipse.jetty.server.Server.handle(Server.java:534)
    at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:320)
    at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:251)
    at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:283)
    at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:108)
    at org.eclipse.jetty.io.SelectChannelEndPoint$2.run(SelectChannelEndPoint.java:93)
    at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:303)
    at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
    at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136)
    at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
    at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
    at java.lang.Thread.run(Thread.java:748)

3. pip install crashes due to issue with release

[root@l4496t dist]# pip install --trusted-host -i http://l5111t.sss.se.com:8081/repository/python-packaging/ python-packaging -vvv
Collecting http://l5111t.sss.se.com:8081/repository/python-packaging/
  Starting new HTTP connection (1): proxysesosrv.com
  "GET http://l5111t.sss.se.com:8081/repository/python-packaging/ HTTP/1.1" 200 2344
  Downloading http://l5111t.sss.se.com:8081/repository/python-packaging/
  Downloading from URL http://l5111t.sss.se.com:8081/repository/python-packaging/
  Cannot unpack file /tmp/pip-1xw4qh1g-unpack/python-packaging.htm (downloaded from /tmp/pip-f0c2_o7z-build, content-type: text/html); cannot detect archive format
Cleaning up...
Cannot determine archive format of /tmp/pip-f0c2_o7z-build
Exception information:
Traceback (most recent call last):
  File "/usr/lib/python3.4/site-packages/pip/basecommand.py", line 215, in main
    status = self.run(options, args)
  File "/usr/lib/python3.4/site-packages/pip/commands/install.py", line 335, in run
    wb.build(autobuilding=True)
  File "/usr/lib/python3.4/site-packages/pip/wheel.py", line 749, in build
    self.requirement_set.prepare_files(self.finder)
  File "/usr/lib/python3.4/site-packages/pip/req/req_set.py", line 380, in prepare_files
    ignore_dependencies=self.ignore_dependencies))
  File "/usr/lib/python3.4/site-packages/pip/req/req_set.py", line 620, in _prepare_file
    session=self.session, hashes=hashes)
  File "/usr/lib/python3.4/site-packages/pip/download.py", line 821, in unpack_url
    hashes=hashes
  File "/usr/lib/python3.4/site-packages/pip/download.py", line 663, in unpack_http_url
    unpack_file(from_path, location, content_type, link)
  File "/usr/lib/python3.4/site-packages/pip/utils/__init__.py", line 620, in unpack_file
    'Cannot determine archive format of %s' % location
pip.exceptions.InstallationError: Cannot determine archive format of /tmp/pip-f0c2_o7z-build

--allowed-external,

pip install --trusted-host --allow-external -i http://l5111t.sss.se.com:8081/repository/python-packaging/ python-packaging -vvv
Collecting python-packaging
  The repository located at l5111t.sss.se.com is not a trusted or secure host and is being ignored. If this repository is available via HTTPS it is recommended to use HTTPS instead, otherwise you may silence this warning and allow it anyways with '--trusted-host l5111t.sss.se.com'.
  0 location(s) to search for versions of python-packaging:
  Could not find a version that satisfies the requirement python-packaging (from versions: )
Cleaning up...
No matching distribution found for python-packaging
Exception information:
Traceback (most recent call last):
  File "/usr/lib/python3.4/site-packages/pip/basecommand.py", line 215, in main
    status = self.run(options, args)
  File "/usr/lib/python3.4/site-packages/pip/commands/install.py", line 335, in run
    wb.build(autobuilding=True)
  File "/usr/lib/python3.4/site-packages/pip/wheel.py", line 749, in build
    self.requirement_set.prepare_files(self.finder)
  File "/usr/lib/python3.4/site-packages/pip/req/req_set.py", line 380, in prepare_files
    ignore_dependencies=self.ignore_dependencies))
  File "/usr/lib/python3.4/site-packages/pip/req/req_set.py", line 554, in _prepare_file
    require_hashes
  File "/usr/lib/python3.4/site-packages/pip/req/req_install.py", line 278, in populate_link
    self.link = finder.find_requirement(self, upgrade)
  File "/usr/lib/python3.4/site-packages/pip/index.py", line 514, in find_requirement
    'No matching distribution found for %s' % req
pip.exceptions.DistributionNotFound: No matching distribution found for python-packaging
+4
1

URL-, "URL-, " , Nexus. , , , "" URL- , , :

pip install --index-url http://l5111t.sss.se.com:8081/repository/python-packaging/simple python-packaging --trusted-host l5111t.sss.se.com -vvv
0

Source: https://habr.com/ru/post/1693532/

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