This occurred again on another server. There were no errors before this, but many warnings on invalid data, if that is related. Now we get this error on all operations.

12:57:42 WARN  Fuseki          :: [line: 149803, col: 81] Bad IRI: <mailto:"Finskas> Code: 4/UNWISE_CHARACTER in PATH: The character matches no grammar rules of URIs/IRIs. These characters are permitted in RDF URI References, XML system identifiers, and XML Schema anyURIs.
...
14:48:28 WARN  Fuseki          :: [line: 475806, col: 80] Lexical form '' not valid for datatype XSD boolean
...
14:52:06 WARN  Fuseki          :: [24] RC = 500 : NodeTableTRDF/Read
org.apache.jena.tdb2.TDBException: NodeTableTRDF/Read
        at org.apache.jena.tdb2.store.nodetable.NodeTableTRDF.readNodeFromTable(NodeTableTRDF.java:87) ~[fuseki-server.jar:3.17.0]         at org.apache.jena.tdb2.store.nodetable.NodeTableNative._retrieveNodeByNodeId(NodeTableNative.java:103) ~[fuseki-server.jar:3.17.0]         at org.apache.jena.tdb2.store.nodetable.NodeTableNative.getNodeForNodeId(NodeTableNative.java:52) ~[fuseki-server.jar:3.17.0]         at org.apache.jena.tdb2.store.nodetable.NodeTableCache._retrieveNodeByNodeId(NodeTableCache.java:206) ~[fuseki-server.jar:3.17.0]         at org.apache.jena.tdb2.store.nodetable.NodeTableCache.getNodeForNodeId(NodeTableCache.java:131) ~[fuseki-server.jar:3.17.0]         at org.apache.jena.tdb2.store.nodetable.NodeTableWrapper.getNodeForNodeId(NodeTableWrapper.java:52) ~[fuseki-server.jar:3.17.0]         at org.apache.jena.tdb2.store.nodetable.NodeTableInline.getNodeForNodeId(NodeTableInline.java:65) ~[fuseki-server.jar:3.17.0]         at org.apache.jena.tdb2.lib.TupleLib.quad(TupleLib.java:112) ~[fuseki-server.jar:3.17.0]         at org.apache.jena.tdb2.lib.TupleLib.quad(TupleLib.java:108) ~[fuseki-server.jar:3.17.0]         at org.apache.jena.tdb2.lib.TupleLib.lambda$convertToQuads$3(TupleLib.java:53) ~[fuseki-server.jar:3.17.0]         at org.apache.jena.atlas.iterator.Iter$2.next(Iter.java:352) ~[fuseki-server.jar:3.17.0]         at org.apache.jena.atlas.iterator.IteratorWrapper.next(IteratorWrapper.java:36) ~[fuseki-server.jar:3.17.0]         at org.apache.jena.dboe.transaction.txn.IteratorTxnTracker.next(IteratorTxnTracker.java:39) ~[fuseki-server.jar:3.17.0]         at org.apache.jena.atlas.iterator.Iter$2.next(Iter.java:352) ~[fuseki-server.jar:3.17.0]         at org.apache.jena.atlas.iterator.Iter.next(Iter.java:1072) ~[fuseki-server.jar:3.17.0]         at org.apache.jena.util.iterator.WrappedIterator.next(WrappedIterator.java:94) ~[fuseki-server.jar:3.17.0]         at org.apache.jena.util.iterator.WrappedIterator.next(WrappedIterator.java:94) ~[fuseki-server.jar:3.17.0]         at org.apache.jena.mem.TrackingTripleIterator.next(TrackingTripleIterator.java:47) ~[fuseki-server.jar:3.17.0]         at org.apache.jena.mem.TrackingTripleIterator.next(TrackingTripleIterator.java:31) ~[fuseki-server.jar:3.17.0]         at org.apache.jena.sparql.engine.iterator.QueryIterTriplePattern$TripleMapper.hasNextBinding(QueryIterTriplePattern.java:145) ~[fuseki-s erver.jar:3.17.0]         at org.apache.jena.sparql.engine.iterator.QueryIteratorBase.hasNext(QueryIteratorBase.java:114) ~[fuseki-server.jar:3.17.0]         at org.apache.jena.sparql.engine.iterator.QueryIterRepeatApply.hasNextBinding(QueryIterRepeatApply.java:74) ~[fuseki-server.jar:3.17.0]         at org.apache.jena.sparql.engine.iterator.QueryIteratorBase.hasNext(QueryIteratorBase.java:114) ~[fuseki-server.jar:3.17.0]         at org.apache.jena.sparql.engine.iterator.QueryIterBlockTriplesStar.hasNextBinding(QueryIterBlockTriplesStar.java:54) ~[fuseki-server.ja r:3.17.0]         at org.apache.jena.sparql.engine.iterator.QueryIteratorBase.hasNext(QueryIteratorBase.java:114) ~[fuseki-server.jar:3.17.0]         at org.apache.jena.sparql.engine.iterator.QueryIterGroup$1.initializeIterator(QueryIterGroup.java:82) ~[fuseki-server.jar:3.17.0]         at org.apache.jena.atlas.iterator.IteratorDelayedInitialization.init(IteratorDelayedInitialization.java:40) ~[fuseki-server.jar:3.17.0]         at org.apache.jena.atlas.iterator.IteratorDelayedInitialization.hasNext(IteratorDelayedInitialization.java:50) ~[fuseki-server.jar:3.17. 0]         at org.apache.jena.sparql.engine.iterator.QueryIterPlainWrapper.hasNextBinding(QueryIterPlainWrapper.java:53) ~[fuseki-server.jar:3.17.0 ]         at org.apache.jena.sparql.engine.iterator.QueryIteratorBase.hasNext(QueryIteratorBase.java:114) ~[fuseki-server.jar:3.17.0]         at org.apache.jena.sparql.engine.iterator.QueryIterProcessBinding.hasNextBinding(QueryIterProcessBinding.java:66) ~[fuseki-server.jar:3. 17.0]         at org.apache.jena.sparql.engine.iterator.QueryIteratorBase.hasNext(QueryIteratorBase.java:114) ~[fuseki-server.jar:3.17.0]         at org.apache.jena.sparql.engine.iterator.QueryIterConvert.hasNextBinding(QueryIterConvert.java:58) ~[fuseki-server.jar:3.17.0]         at org.apache.jena.sparql.engine.iterator.QueryIteratorBase.hasNext(QueryIteratorBase.java:114) ~[fuseki-server.jar:3.17.0]         at org.apache.jena.sparql.engine.iterator.QueryIteratorWrapper.hasNextBinding(QueryIteratorWrapper.java:38) ~[fuseki-server.jar:3.17.0]         at org.apache.jena.sparql.engine.iterator.QueryIteratorBase.hasNext(QueryIteratorBase.java:114) ~[fuseki-server.jar:3.17.0]         at org.apache.jena.sparql.engine.iterator.QueryIteratorWrapper.hasNextBinding(QueryIteratorWrapper.java:38) ~[fuseki-server.jar:3.17.0]         at org.apache.jena.sparql.engine.iterator.QueryIteratorBase.hasNext(QueryIteratorBase.java:114) ~[fuseki-server.jar:3.17.0]         at org.apache.jena.sparql.engine.ResultSetStream.hasNext(ResultSetStream.java:74) ~[fuseki-server.jar:3.17.0]         at org.apache.jena.sparql.engine.ResultSetCheckCondition.hasNext(ResultSetCheckCondition.java:55) ~[fuseki-server.jar:3.17.0]         at org.apache.jena.fuseki.servlets.SPARQLQueryProcessor.executeQuery(SPARQLQueryProcessor.java:324) ~[fuseki-server.jar:3.17.0]         at org.apache.jena.fuseki.servlets.SPARQLQueryProcessor.execute(SPARQLQueryProcessor.java:273) ~[fuseki-server.jar:3.17.0]         at org.apache.jena.fuseki.servlets.SPARQLQueryProcessor.executeBody(SPARQLQueryProcessor.java:233) ~[fuseki-server.jar:3.17.0]         at org.apache.jena.fuseki.servlets.SPARQLQueryProcessor.execute(SPARQLQueryProcessor.java:213) ~[fuseki-server.jar:3.17.0]         at org.apache.jena.fuseki.servlets.ActionService.executeLifecycle(ActionService.java:58) ~[fuseki-server.jar:3.17.0]         at org.apache.jena.fuseki.servlets.SPARQLQueryProcessor.execPost(SPARQLQueryProcessor.java:83) ~[fuseki-server.jar:3.17.0]         at org.apache.jena.fuseki.servlets.ActionProcessor.process(ActionProcessor.java:34) ~[fuseki-server.jar:3.17.0]         at org.apache.jena.fuseki.servlets.ActionBase.process(ActionBase.java:55) ~[fuseki-server.jar:3.17.0]         at org.apache.jena.fuseki.servlets.ActionExecLib.execAction(ActionExecLib.java:106) ~[fuseki-server.jar:3.17.0]         at org.apache.jena.fuseki.server.Dispatcher.dispatchAction(Dispatcher.java:118) ~[fuseki-server.jar:3.17.0]         at org.apache.jena.fuseki.server.Dispatcher.process(Dispatcher.java:110) ~[fuseki-server.jar:3.17.0]         at org.apache.jena.fuseki.server.Dispatcher.dispatch(Dispatcher.java:96) ~[fuseki-server.jar:3.17.0]         at org.apache.jena.fuseki.servlets.FusekiFilter.doFilter(FusekiFilter.java:51) ~[fuseki-server.jar:3.17.0]         at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[fuseki-server.jar:3.17.0]         at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[fuseki-server.jar:3.17.0]         at org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:61) ~[fuseki-server.jar:3.17.0]         at org.apache.shiro.web.servlet.AdviceFilter.executeChain(AdviceFilter.java:108) ~[fuseki-server.jar:3.17.0]         at org.apache.shiro.web.servlet.AdviceFilter.doFilterInternal(AdviceFilter.java:137) ~[fuseki-server.jar:3.17.0]         at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125) ~[fuseki-server.jar:3.17.0]         at org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:66) ~[fuseki-server.jar:3.17.0]         at org.apache.shiro.web.servlet.AdviceFilter.executeChain(AdviceFilter.java:108) ~[fuseki-server.jar:3.17.0]         at org.apache.shiro.web.servlet.AdviceFilter.doFilterInternal(AdviceFilter.java:137) ~[fuseki-server.jar:3.17.0]         at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125) ~[fuseki-server.jar:3.17.0]         at org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:66) ~[fuseki-server.jar:3.17.0]         at org.apache.shiro.web.servlet.AbstractShiroFilter.executeChain(AbstractShiroFilter.java:450) ~[fuseki-server.jar:3.17.0]         at org.apache.shiro.web.servlet.AbstractShiroFilter$1.call(AbstractShiroFilter.java:365) ~[fuseki-server.jar:3.17.0]         at org.apache.shiro.subject.support.SubjectCallable.doCall(SubjectCallable.java:90) ~[fuseki-server.jar:3.17.0]         at org.apache.shiro.subject.support.SubjectCallable.call(SubjectCallable.java:83) ~[fuseki-server.jar:3.17.0]         at org.apache.shiro.subject.support.DelegatingSubject.execute(DelegatingSubject.java:387) ~[fuseki-server.jar:3.17.0]         at org.apache.shiro.web.servlet.AbstractShiroFilter.doFilterInternal(AbstractShiroFilter.java:362) ~[fuseki-server.jar:3.17.0]         at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125) ~[fuseki-server.jar:3.17.0]         at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[fuseki-server.jar:3.17.0]         at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[fuseki-server.jar:3.17.0]         at org.apache.jena.fuseki.servlets.CrossOriginFilter.handle(CrossOriginFilter.java:284) ~[fuseki-server.jar:3.17.0]         at org.apache.jena.fuseki.servlets.CrossOriginFilter.doFilter(CrossOriginFilter.java:247) ~[fuseki-server.jar:3.17.0]         at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[fuseki-server.jar:3.17.0]         at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[fuseki-server.jar:3.17.0]         at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[fuseki-server.jar:3.17.0]         at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[fuseki-server.jar:3.17.0]         at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[fuseki-server.jar:3.17.0]         at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[fuseki-server.jar:3.17.0]         at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[fuseki-server.jar:3.17.0]         at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1612) ~[fuseki-server.jar:3.17.0]         at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[fuseki-server.jar:3.17.0]         at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[fuseki-server.jar:3.17.0]         at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[fuseki-server.jar:3.17.0]         at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[fuseki-server.jar:3.17.0]         at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1582) ~[fuseki-server.jar:3.17.0]         at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[fuseki-server.jar:3.17.0]         at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[fuseki-server.jar:3.17.0]         at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[fuseki-server.jar:3.17.0]         at org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:716) ~[fuseki-server.jar:3.17.0]         at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[fuseki-server.jar:3.17.0]         at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[fuseki-server.jar:3.17.0]         at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:383) ~[fuseki-server.jar:3.17.0]         at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:556) [fuseki-server.jar:3.17.0]         at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:375) [fuseki-server.jar:3.17.0]         at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:273) [fuseki-server.jar:3.17.0]         at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [fuseki-server.jar:3.17.0]         at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [fuseki-server.jar:3.17.0]         at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [fuseki-server.jar:3.17.0]         at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:336) [fuseki-server.jar:3.17.0]         at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:313) [fuseki-server.jar:3.17.0]         at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:171) [fuseki-server.jar:3.17.0]         at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:129) [fuseki-server.jar:3.17.0]         at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:375) [fuseki-server.jar:3.17.0]         at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:773) [fuseki-server.jar:3.17.0]         at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:905) [fuseki-server.jar:3.17.0]
        at java.lang.Thread.run(Thread.java:832) [?:?]
Caused by: org.apache.thrift.protocol.TProtocolException: Unrecognized type 0         at org.apache.thrift.protocol.TProtocolUtil.skip(TProtocolUtil.java:144) ~[fuseki-server.jar:3.17.0]         at org.apache.thrift.protocol.TProtocolUtil.skip(TProtocolUtil.java:60) ~[fuseki-server.jar:3.17.0]         at org.apache.jena.riot.thrift.wire.RDF_Term.standardSchemeReadValue(RDF_Term.java:433) ~[fuseki-server.jar:3.17.0]         at org.apache.thrift.TUnion$TUnionStandardScheme.read(TUnion.java:224) ~[fuseki-server.jar:3.17.0]         at org.apache.thrift.TUnion$TUnionStandardScheme.read(TUnion.java:213) ~[fuseki-server.jar:3.17.0]         at org.apache.thrift.TUnion.read(TUnion.java:138) ~[fuseki-server.jar:3.17.0]         at org.apache.jena.tdb2.store.nodetable.NodeTableTRDF.readNodeFromTable(NodeTableTRDF.java:82) ~[fuseki-server.jar:3.17.0]
        ... 108 more
14:52:06 INFO  Fuseki          :: [24] 500 Server Error (12 ms)



On 27/04/2021 13.22, Andy Seaborne wrote:


On 27/04/2021 09:59, Mikael Pesonen wrote:

That's our guess too, but would be nice to have some idea where to look for the cause. Does Jena/Fuseki handle disk full situations without corruption?

It should do (the transaction aborts) which is why I was asking.

Bulk loading, other than loader "basic" which is safe - depends exactly when it happens in the process i.e. no guarantees.

    Andy



On 27/04/2021 11.56, Andy Seaborne wrote:
In the original message,

There was shortage of disk space, hope the db is not corrupted.

What happened?

This is the only thing you've mentioned that relates to update.

Everything else is "read" and the fault occurred at an earlier time or its an environmental factor (one mentioned file access permissions e.g. another process is interfering with files).

Apr 12 12:30:55 solid java[22910]: [2021-04-12 12:30:55] Fuseki WARN [346] RC = 500 : a fault occurred in a recent unsafe memory access operation in compiled Java code Apr 12 12:30:55 solid java[22910]:         at org.apache.jena.dboe.base.buffer.RecordBuffer.compare(RecordBuffer.java:192) ~[fuseki-server.jar:3.17.0]

so JDK ByteBuffer.get failed bu works almost always. It is likely to be an environmental factor (the file system, background process messing around, hardware issue).

   Andy



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