Major Description
I try to upgrade from 2.14.1-01 to 3.1.0-04. I selected single proxy repository and got the following:
Nexus 2 log contains the following:
2016-11-22 15:06:22 WARN [qtp10032359-104] *UNKNOWN org.sonatype.sisu.siesta.server.internal.mappers.ThrowableExceptionMapper - java.lang.NullPointerException: Cannot invoke method extract() on null object java.lang.NullPointerException: Cannot invoke method extract() on null object at org.codehaus.groovy.runtime.NullObject.invokeMethod(NullObject.java:91) ~[na:na] at org.codehaus.groovy.runtime.callsite.PogoMetaClassSite.call(PogoMetaClassSite.java:48) ~[na:na] at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:48) ~[na:na] at org.codehaus.groovy.runtime.callsite.NullCallSite.call(NullCallSite.java:35) ~[na:na] at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:48) ~[na:na] at org.codehaus.groovy.runtime.callsite.PogoMetaClassSite.call(PogoMetaClassSite.java:57) ~[na:na] at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:125) ~[na:na] at com.sonatype.nexus.migrationagent.rest.RepositoryChangelogResource$_get_closure1$_closure2.doCall(RepositoryChangelogResource.groovy:115) ~[na:na] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_111] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_111] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_111] at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_111] 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.Closure.call(Closure.java:426) ~[na:na] at groovy.lang.Closure.call(Closure.java:442) ~[na:na] at org.codehaus.groovy.runtime.DefaultGroovyMethods.each(DefaultGroovyMethods.java:2030) ~[na:na] at org.codehaus.groovy.runtime.DefaultGroovyMethods.each(DefaultGroovyMethods.java:2015) ~[na:na] at org.codehaus.groovy.runtime.dgm$158.invoke(Unknown Source) ~[na:na] at org.codehaus.groovy.runtime.callsite.PojoMetaMethodSite$PojoMetaMethodSiteNoUnwrapNoCoerce.invoke(PojoMetaMethodSite.java:274) ~[na:na] at org.codehaus.groovy.runtime.callsite.PojoMetaMethodSite.call(PojoMetaMethodSite.java:56) ~[na:na] at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:125) ~[na:na] at com.sonatype.nexus.migrationagent.rest.RepositoryChangelogResource$_get_closure1.doCall(RepositoryChangelogResource.groovy:107) ~[na:na]
