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Jean-Marc Vanel commented on JENA-1553: --------------------------------------- I got the same kind of problem on my other site (dedicated to nature, botany, etc). {{I made a dump with tdb.tdbdump , and got that same stack already reported in this issue:}} on the main TDB: {noformat} org.apache.jena.tdb.TDBException: Failed to tokenise: at org.apache.jena.tdb.store.nodetable.NodecSSE.decode(NodecSSE.java:127) at org.apache.jena.tdb.lib.NodeLib.decode(NodeLib.java:120) at org.apache.jena.tdb.lib.NodeLib.fetchDecode(NodeLib.java:97) at org.apache.jena.tdb.store.nodetable.NodeTableNative.readNodeFromTable(NodeTableNative.java:182) at org.apache.jena.tdb.store.nodetable.NodeTableNative._retrieveNodeByNodeId(NodeTableNative.java:108) at org.apache.jena.tdb.store.nodetable.NodeTableNative.getNodeForNodeId(NodeTableNative.java:67) 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.quad(TupleLib.java:128) at org.apache.jena.tdb.lib.TupleLib.quad(TupleLib.java:120) at org.apache.jena.tdb.lib.TupleLib.lambda$convertToQuads$3(TupleLib.java:59) at org.apache.jena.atlas.iterator.Iter$2.next(Iter.java:270) at org.apache.jena.riot.system.StreamOps.sendQuadsToStream(StreamOps.java:140) at org.apache.jena.riot.writer.NQuadsWriter.write$(NQuadsWriter.java:62) {noformat} on the history TDB: {noformat} org.apache.jena.tdb.TDBException: Not a node: urce/Sillans-la-Cascade> at org.apache.jena.tdb.store.nodetable.NodecSSE.decode(NodecSSE.java:132) at org.apache.jena.tdb.lib.NodeLib.decode(NodeLib.java:120) at org.apache.jena.tdb.lib.NodeLib.fetchDecode(NodeLib.java:97) at org.apache.jena.tdb.store.nodetable.NodeTableNative.readNodeFromTable(NodeTableNative.java:182) at org.apache.jena.tdb.store.nodetable.NodeTableNative._retrieveNodeByNodeId(NodeTableNative.java:108) at org.apache.jena.tdb.store.nodetable.NodeTableNative.getNodeForNodeId(NodeTableNative.java:67) 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.quad(TupleLib.java:128) at org.apache.jena.tdb.lib.TupleLib.quad(TupleLib.java:120) at org.apache.jena.tdb.lib.TupleLib.lambda$convertToQuads$3(TupleLib.java:59) at org.apache.jena.atlas.iterator.Iter$2.next(Iter.java:270) at org.apache.jena.riot.system.StreamOps.sendQuadsToStream(StreamOps.java:140) at org.apache.jena.riot.writer.NQuadsWriter.write$(NQuadsWriter.java:62) {noformat} Nothing bad was reported on the web application yet . QUESTIONS * What should I do ? * It is feasible to have a (possibly partial) recovery program ? It would catch TDBException somewhere, remove bad binary data, and continue . That could even be the default mode of tdbdump. > 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} -- This message was sent by Atlassian JIRA (v7.6.3#76005)