Re: ERROR Impossibly large object

2019-07-04 Thread Mikael Pesonen
Ok good to know. On 04/07/2019 14:12, Andy Seaborne wrote: >>> upgrade from Jena 3.5 to 3.12 There have been problems in the past - long fixed. The database gets silently broken when running the old version and the fault remains in the database. Upgrade does not fix it.     Andy On

Re: Jena Exception on SPARQL Query

2019-07-04 Thread Andy Seaborne
Hi Shalki, Wow. That's overflowing the in-memory hash tables for the results. Because it's "CONSTRUCT", it is building a model of results (removes duplicates) in-memory. I think it will have problems writing in Turtle as well because it will be the "pretty" form which is not for large

Re: ERROR Impossibly large object

2019-07-04 Thread Andy Seaborne
>>> upgrade from Jena 3.5 to 3.12 There have been problems in the past - long fixed. The database gets silently broken when running the old version and the fault remains in the database. Upgrade does not fix it. Andy On 04/07/2019 11:35, Mikael Pesonen wrote: Thanks. What does the

Re: ERROR Impossibly large object

2019-07-04 Thread Mikael Pesonen
Thanks. What does the first one mean? We are using Fuseki :3030/ds endpoint for POSTing data and queries. On 04/07/2019 13:26, Rob Vesse wrote: There are several possible culprits: - Past non-transactional use of the database - Multiple JVMs using the database at the same time - Actual

Re: ERROR Impossibly large object

2019-07-04 Thread Rob Vesse
There are several possible culprits: - Past non-transactional use of the database - Multiple JVMs using the database at the same time - Actual disk corruption (i.e. failing disk, bad sectors etc) Rob On 04/07/2019, 11:04, "Mikael Pesonen" wrote: Ok. Is it possible to guess what

Re: ERROR Impossibly large object

2019-07-04 Thread Mikael Pesonen
Ok. Is it possible to guess what could cause this? On 04/07/2019 12:18, Rob Vesse wrote: Impossibly Large Object means the database has been corrupted (more specifically the Node Table). This is non-recoverable although it may not affect the entire database i.e. any query that tries to

Re: ERROR Impossibly large object

2019-07-04 Thread Rob Vesse
Impossibly Large Object means the database has been corrupted (more specifically the Node Table). This is non-recoverable although it may not affect the entire database i.e. any query that tries to access the affected portion of the node table will fail but other queries may continue to

Re: ERROR Impossibly large object

2019-07-04 Thread Mikael Pesonen
Any idea how to fix this? upgrade from Jena 3.5 to 3.12 didn't help. On 02/07/2019 15:01, Mikael Pesonen wrote: We have had the service running for few months without issues but now got this. So there is exception and also weird #011 happening in log... This same error happens now every

Re: Debugging corrupted TDB?

2019-07-04 Thread Rob Vesse
What do you mean by a re-index? i.e. what were the sequence of operations that preceded this error Rob On 03/07/2019, 20:40, "Matthew Holt" wrote: Hi all, Upon trying to access a TDB instance that was just re-indexed, we are getting the following error: