Adding cluster for monitoring in Unified Manager fails with "Failed in conversion" and NullPointerException errors in the logs
Applies to
- Active IQ Unified Manager (AIQUM) 9.14
- Active IQ Unified Manager (AIQUM) 9.16
- Active IQ Unified Manager (AIQUM) 9.18
Issue
- Adding a new cluster or collecting on an already-added cluster for monitoring in Unified Manager after upgrading to AIQUM 9.14+ results in an error
Failed in conversion. - If adding a new cluster, the server_acq.log will contain the errors. If cluster was already added in a previous version, the au.log will contain the errors. There are different ways the
Failed in conversionNPE error can manifest, the differentiator being the module where the NPE occurred. - The
GVServerBuilder.javaline89is specific to this issue:2026-02-04 17:39:28,279 ERROR [common-pool-70] c.o.s.a.d.n.b.r.g.n.GClusterBuilder (GClusterBuilder.java:251) - [netappfoundation] cluster1 - ExecutionException encountered on Builder java.util.concurrent.ExecutionException: java.lang.NullPointerException java.lang.NullPointerExceptionat com.onaro.sanscreen.acquisition.datasource.netapp_ocie.builders.rest.gmode.netappfoundation.GVServerBuilder.createVServers(GVServerBuilder.java:89) ~[au-datasource-netappfoundation.jar:9.16.0-2025.05.J22]at com.onaro.sanscreen.acquisition.datasource.netapp_ocie.builders.rest.gmode.netappfoundation.GVServerBuilder.buildModel(GVServerBuilder.java:66) ~[au-datasource-netappfoundation.jar:9.16.0-2025.05.J22]at com.onaro.sanscreen.acquisition.datasource.netapp_ocie.builders.rest.gmode.netappfoundation.GVServerBuilder.buildModel(GVServerBuilder.java:46) ~[au-datasource-netappfoundation.jar:9.16.0-2025.05.J22]at com.onaro.sanscreen.acquisition.datasource.netapp_ocie.builders.zapi.cmode.netappfoundation.CallableBuilder.call(CallableBuilder.java:59) ~[au-datasource-netappfoundation.jar:9.16.0-2025.05.J22]at com.onaro.sanscreen.acquisition.datasource.netapp_ocie.builders.zapi.cmode.netappfoundation.CallableBuilder.call(CallableBuilder.java:15) ~[au-datasource-netappfoundation.jar:9.16.0-2025.05.J22]... 5 moreWrapped by: java.util.concurrent.ExecutionException: java.lang.NullPointerExceptionat java.util.concurrent.FutureTask.report(FutureTask.java:122) ~[?:?]
