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https://issues.apache.org/jira/browse/JENA-1553?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16681691#comment-16681691
]
Jean-Marc Vanel commented on JENA-1553:
---------------------------------------
I don't know if this matters here , but
I noticed in my logs this message:
{noformat}
20:42:55.417 [application-akka.actor.default-dispatcher-908] ERROR
org.apache.jena.tdb.transaction.TransactionManager - checkReplaySafe: There are
currently active transactions. R=0, W=1
{noformat}
This happens, only sometimes, when there is a String search with SPARQL, like
this :
{noformat}
PREFIX text: <http://jena.apache.org/text#>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
PREFIX form:
<http://raw.githubusercontent.com/jmvanel/semantic_forms/master/vocabulary/forms.owl.ttl#>
PREFIX dbo: <http://dbpedia.org/ontology/>
SELECT DISTINCT ?thing ?COUNT WHERE {
?thing text:query ( 'Sébastien*' ) .
GRAPH <urn:x-arq:UnionGraph> {
?thing a ?CLASS .
OPTIONAL {
graph ?grCount {
?thing form:linksCount ?COUNT.
} }
FILTER( NOT EXISTS \{ ?thing a ?sub . ?sub rdfs:subClassOf* dbo:Person } )
}
}
ORDER BY DESC(?COUNT){noformat}
Actually, this is one HTTP GET request that the service downnotifier.com sends
every few minutes.
> Can't Backup data - java.io.IOException: Illegal UTF-8: 0xFFFFFFB1
> ------------------------------------------------------------------
>
> Key: JENA-1553
> URL: https://issues.apache.org/jira/browse/JENA-1553
> Project: Apache Jena
> Issue Type: Bug
> Components: Jena
> Environment: Ubuntu 16.04 running Docker. Running stain/jena-fuseki
> from the official Docker Hub.
> Reporter: Brian Mullen
> Assignee: Andy Seaborne
> Priority: Major
> Fix For: Jena 3.9.0
>
>
> Attempting to backup through Fuseki, TDB 500M+ triples, breaking with error:
>
> {code:java}
> [2018-06-01 13:25:46] Log4jLoggerAdapter WARN Exception in backup
> org.apache.jena.atlas.RuntimeIOException: java.io.IOException: Illegal UTF-8:
> 0xFFFFFFB1
> at org.apache.jena.atlas.io.IO.exception(IO.java:233)
> at org.apache.jena.atlas.io.BlockUTF8.exception(BlockUTF8.java:275)
> at
> org.apache.jena.atlas.io.BlockUTF8.toCharsBuffer(BlockUTF8.java:150)
> at org.apache.jena.atlas.io.BlockUTF8.toChars(BlockUTF8.java:73)
> at org.apache.jena.atlas.io.BlockUTF8.toString(BlockUTF8.java:95)
> at
> org.apache.jena.tdb.store.nodetable.NodecSSE.decode(NodecSSE.java:101)
> at org.apache.jena.tdb.lib.NodeLib.decode(NodeLib.java:105)
> at org.apache.jena.tdb.lib.NodeLib.fetchDecode(NodeLib.java:81)
> at
> org.apache.jena.tdb.store.nodetable.NodeTableNative.readNodeFromTable(NodeTableNative.java:186)
> at
> org.apache.jena.tdb.store.nodetable.NodeTableNative._retrieveNodeByNodeId(NodeTableNative.java:111)
> at
> org.apache.jena.tdb.store.nodetable.NodeTableNative.getNodeForNodeId(NodeTableNative.java:70)
> at
> org.apache.jena.tdb.store.nodetable.NodeTableCache._retrieveNodeByNodeId(NodeTableCache.java:128)
> at
> org.apache.jena.tdb.store.nodetable.NodeTableCache.getNodeForNodeId(NodeTableCache.java:82)
> at
> org.apache.jena.tdb.store.nodetable.NodeTableWrapper.getNodeForNodeId(NodeTableWrapper.java:50)
> at
> org.apache.jena.tdb.store.nodetable.NodeTableInline.getNodeForNodeId(NodeTableInline.java:67)
> at org.apache.jena.tdb.lib.TupleLib.triple(TupleLib.java:107)
> at org.apache.jena.tdb.lib.TupleLib.triple(TupleLib.java:84)
> at
> org.apache.jena.tdb.lib.TupleLib.lambda$convertToTriples$2(TupleLib.java:54)
> at org.apache.jena.atlas.iterator.Iter$2.next(Iter.java:270)
> at org.apache.jena.atlas.iterator.Iter$2.next(Iter.java:270)
> at org.apache.jena.atlas.iterator.Iter.next(Iter.java:891)
> at
> org.apache.jena.riot.system.StreamOps.sendQuadsToStream(StreamOps.java:140)
> at
> org.apache.jena.riot.writer.NQuadsWriter.write$(NQuadsWriter.java:62)
> at
> org.apache.jena.riot.writer.NQuadsWriter.write(NQuadsWriter.java:45)
> at
> org.apache.jena.riot.writer.NQuadsWriter.write(NQuadsWriter.java:91)
> at org.apache.jena.riot.RDFWriter.write$(RDFWriter.java:208)
> at org.apache.jena.riot.RDFWriter.output(RDFWriter.java:165)
> at org.apache.jena.riot.RDFWriter.output(RDFWriter.java:112)
> at
> org.apache.jena.riot.RDFWriterBuilder.output(RDFWriterBuilder.java:149)
> at org.apache.jena.riot.RDFDataMgr.write$(RDFDataMgr.java:1269)
> at org.apache.jena.riot.RDFDataMgr.write(RDFDataMgr.java:1162)
> at org.apache.jena.riot.RDFDataMgr.write(RDFDataMgr.java:1153)
> at org.apache.jena.fuseki.mgt.Backup.backup(Backup.java:115)
> at org.apache.jena.fuseki.mgt.Backup.backup(Backup.java:75)
> at
> org.apache.jena.fuseki.mgt.ActionBackup$BackupTask.run(ActionBackup.java:58)
> at
> org.apache.jena.fuseki.async.AsyncPool.lambda$submit$0(AsyncPool.java:55)
> at org.apache.jena.fuseki.async.AsyncTask.call(AsyncTask.java:100)
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> at java.lang.Thread.run(Thread.java:745)
> Caused by: java.io.IOException: Illegal UTF-8: 0xFFFFFFB1
> ... 40 more
> [2018-06-01 13:25:46] Log4jLoggerAdapter INFO
> Backup(/fuseki/backups/PDE_PROD_2018-06-01_13-24-00):2{code}
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