Collector Upgrade stuck in VCF Operations for Networks.

Products

• VCF Operations for Networks

Issue/Introduction

Collector upgraded stuck at 'In Progress' state while trying to upgrade to 6.14.1

Log analysis shows launcher errors related to fdb, the below errors are seen under /var/log/arkin/launcher/latest.log

2025-10-29T05:09:42.892Z ERROR fdb.stores.FdbKvStore fdb-config-store-exec-22 lambda__getKey_23:384 __r___fetchChunks: cid=0 key=ServiceErrors chunkPtr=_x00_x00i_x8d_xdb_x1e_x95{_x00_x00_x00_x00 numChunks=1 caller_id=KvGetWithVersion
com.vnera.storage.config.fdb.helpers.Chunker_ChunkStitchException: snappy decompression failed
        at com.vnera.storage.config.fdb.helpers.Chunker.stitchChunksBytes(Chunker.java:125) _[launcher-0.001-SNAPSHOT.jar:_]
        at com.vnera.storage.config.fdb.helpers.Chunker.stitchChunks(Chunker.java:89) _[launcher-0.001-SNAPSHOT.jar:_]
        at com.vnera.storage.config.fdb.stores.FdbKvStore.lambda__getKey_23(FdbKvStore.java:380) _[launcher-0.001-SNAPSHOT.jar:_]
       

2025-10-29T05:09:42.893Z ERROR fdb.common.CfgStoreStats fdb-config-store-exec-13 txFailure:231 tx_failure: txType=KvSetMaster attempt=1
java.util.concurrent.CompletionException: com.vnera.storage.config.ConfigStore_ConcurrentKeyValUpdateException: key=ServiceErrors old_ver=0 seen_ver=55
        at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:331) _[_:_]
        at java.util.concurrent.CompletableFuture.uniApplyNow(CompletableFuture.java:670) _[_:_]

Environment

VCF Operations for Networks

Resolution

Restart the launcher service, run the command below to restart launcher service:

service launcher-service restart

Post restarting tail the launcher logs to check if the upgrade is initiated and wait for sometime for upgrade to complete.

tail -f  /var/log/arkin/launcher/latest.log