UnsupportedOperationException in ILP/TCP #5740
Description
To reproduce
We don't have the exact reproducer, but the error looks like this:
2025-06-12T10:46:42.594629Z C i.q.c.l.t.LineTcpConnectionContext [1215477820951] could not process line data [table=xyz, ex=
java.lang.UnsupportedOperationException
at io.questdb.cairo.pool.SequencerMetadataPool$SequencerMetadataTenantImpl.isDedupKey(SequencerMetadataPool.java:163)
at io.questdb.cutlass.line.tcp.TableUpdateDetails$ThreadLocalDetails.deepCopyOfDense(TableUpdateDetails.java:546)
at io.questdb.cutlass.line.tcp.TableUpdateDetails$ThreadLocalDetails.resetStateIfNecessary(TableUpdateDetails.java:792)
at io.questdb.cutlass.line.tcp.LineTcpMeasurementEvent.createMeasurementEvent(LineTcpMeasurementEvent.java:286)
at io.questdb.cutlass.line.tcp.LineTcpMeasurementScheduler.dispatchEvent(LineTcpMeasurementScheduler.java:388)
at io.questdb.cutlass.line.tcp.LineTcpMeasurementScheduler.scheduleEvent(LineTcpMeasurementScheduler.java:346)
at io.questdb.cutlass.line.tcp.LineTcpConnectionContext.parseMeasurements(LineTcpConnectionContext.java:378)
at io.questdb.cutlass.line.tcp.LineTcpConnectionContext.handleIO(LineTcpConnectionContext.java:199)
at io.questdb.cutlass.line.tcp.LineTcpNetworkIOJob.handleIO(LineTcpNetworkIOJob.java:144)
at io.questdb.cutlass.line.tcp.LineTcpNetworkIOJob.onRequest(LineTcpNetworkIOJob.java:167)
at io.questdb.network.AbstractIODispatcher.processIOQueue(AbstractIODispatcher.java:210)
at io.questdb.cutlass.line.tcp.LineTcpNetworkIOJob.run(LineTcpNetworkIOJob.java:127)
at io.questdb.mp.Worker.run(Worker.java:152)
]
The table is likely to be non-WAL and there were concurrent table truncations:
2025-06-12T10:46:27.079018Z I i.q.g.e.QueryProgress fin [id=-1, sql=`truncate table xyz;`, principal=admin, cache=false, jit=true, time=98252]
QuestDB version:
2.2.3-enterprise
OS, in case of Docker specify Docker and the Host OS:
Linux
File System, in case of Docker specify Host File System:
zfs
Full Name:
Andrei
Affiliation:
Pechkurov
Have you followed Linux, MacOs kernel configuration steps to increase Maximum open files and Maximum virtual memory areas limit?
- Yes, I have
Additional context
No response