toan added a comment.

  Hello @RShigapov,
  
  Do you have any logs from this that you could provide for debugging this?
  
  Removing the `-d` flag from the docker-compose up command would attach to the 
log output immediately, otherwise running `docker-compose logs -f` would attach 
afterwards.
  
  I noticed this behaviour once while running this locally giving this output 
and the wdqs-updater restarting.
  
  However, just starting over and
  
  `docker-compose -f docker-compose.yml -f docker-compose.extra.yml down 
--volumes`
  `docker-compose -f docker-compose.yml -f docker-compose.extra.yml up`
  
  It would start normally and I don't get this problem again. I think adding 
T283833: Add CI for testing the wikibase-release-strategy example 
docker-compose  <https://phabricator.wikimedia.org/T283833> might help us 
understanding this better.
  
    wdqs-updater_1     | 10:16:46.501 [main] ERROR 
org.wikidata.query.rdf.tool.Update - Error during initialization.
    wdqs-updater_1     | 
org.wikidata.query.rdf.tool.exception.ContainedException: Non-200 response from 
triple store:  HttpContentResponse[HTTP/1.1 500 Server Error - 8074 bytes] body=
    wdqs-updater_1     | SPARQL-QUERY: queryStr=PREFIX schema: 
<http://schema.org/>
    wdqs-updater_1     | SELECT * WHERE { <http://wikibase.svc> 
schema:dateModified ?date }
    wdqs-updater_1     | java.util.concurrent.ExecutionException: 
java.lang.RuntimeException: off=0, len=702::namespace=wdq, 
timestamp=readOnly(1626430606490), readTime=readOnly(1620304255632)
    wdqs-updater_1     |        at 
java.util.concurrent.FutureTask.report(FutureTask.java:122)
    wdqs-updater_1     |        at 
java.util.concurrent.FutureTask.get(FutureTask.java:206)
    wdqs-updater_1     |        at 
com.bigdata.rdf.sail.webapp.BigdataServlet.submitApiTask(BigdataServlet.java:292)
    wdqs-updater_1     |        at 
com.bigdata.rdf.sail.webapp.QueryServlet.doSparqlQuery(QueryServlet.java:678)
    wdqs-updater_1     |        at 
com.bigdata.rdf.sail.webapp.QueryServlet.doPost(QueryServlet.java:275)
    wdqs-updater_1     |        at 
com.bigdata.rdf.sail.webapp.RESTServlet.doPost(RESTServlet.java:269)
    wdqs-updater_1     |        at 
com.bigdata.rdf.sail.webapp.MultiTenancyServlet.doPost(MultiTenancyServlet.java:195)
    wdqs-updater_1     |        at 
javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
    wdqs-updater_1     |        at 
javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
    wdqs-updater_1     |        at 
org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:865)
    wdqs-updater_1     |        at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1655)
    wdqs-updater_1     |        at 
org.wikidata.query.rdf.blazegraph.throttling.ThrottlingFilter.doFilter(ThrottlingFilter.java:320)
    wdqs-updater_1     |        at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642)
    wdqs-updater_1     |        at 
org.wikidata.query.rdf.blazegraph.throttling.SystemOverloadFilter.doFilter(SystemOverloadFilter.java:82)
    wdqs-updater_1     |        at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642)
    wdqs-updater_1     |        at 
ch.qos.logback.classic.helpers.MDCInsertingServletFilter.doFilter(MDCInsertingServletFilter.java:49)
    wdqs-updater_1     |        at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642)
    wdqs-updater_1     |        at 
org.wikidata.query.rdf.blazegraph.filters.QueryEventSenderFilter.doFilter(QueryEventSenderFilter.java:86)
    wdqs-updater_1     |        at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642)
    wdqs-updater_1     |        at 
org.wikidata.query.rdf.blazegraph.filters.ClientIPFilter.doFilter(ClientIPFilter.java:43)
    wdqs-updater_1     |        at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642)
    wdqs-updater_1     |        at 
org.wikidata.query.rdf.blazegraph.filters.RealAgentFilter.doFilter(RealAgentFilter.java:33)
    wdqs-updater_1     |        at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1634)
    wdqs-updater_1     |        at 
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:533)
    wdqs-updater_1     |        at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:146)
    wdqs-updater_1     |        at 
org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548)
    wdqs-updater_1     |        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)
    wdqs-updater_1     |        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:257)
    wdqs-updater_1     |        at 
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1595)
    wdqs-updater_1     |        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:255)
    wdqs-updater_1     |        at 
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1340)
    wdqs-updater_1     |        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:203)
    wdqs-updater_1     |        at 
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:473)
    wdqs-updater_1     |        at 
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1564)
    wdqs-updater_1     |        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:201)
    wdqs-updater_1     |        at 
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1242)
    wdqs-updater_1     |        at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:144)
    wdqs-updater_1     |        at 
org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:220)
    wdqs-updater_1     |        at 
org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:126)
    wdqs-updater_1     |        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)
    wdqs-updater_1     |        at 
org.eclipse.jetty.server.Server.handle(Server.java:503)
    wdqs-updater_1     |        at 
org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:364)
    wdqs-updater_1     |        at 
org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:260)
    wdqs-updater_1     |        at 
org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:305)
    wdqs-updater_1     |        at 
org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:103)
    wdqs-updater_1     |        at 
org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:118)
    wdqs-updater_1     |        at 
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:333)
    wdqs-updater_1     |        at 
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:310)
    wdqs-updater_1     |        at 
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:168)
    wdqs-updater_1     |        at 
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:126)
    wdqs-updater_1     |        at 
org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:366)
    wdqs-updater_1     |        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:765)
    wdqs-updater_1     |        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:683)
    wdqs-updater_1     |        at java.lang.Thread.run(Thread.java:748)
    wdqs-updater_1     | Caused by: java.lang.RuntimeException: off=0, 
len=702::namespace=wdq, timestamp=readOnly(1626430606490), 
readTime=readOnly(1620304255632)
    wdqs-updater_1     |        at 
com.bigdata.relation.locator.DefaultResourceLocator.locateResourceOn(DefaultResourceLocator.java:817)
    wdqs-updater_1     |        at 
com.bigdata.relation.locator.DefaultResourceLocator.locateResource(DefaultResourceLocator.java:586)
    wdqs-updater_1     |        at 
com.bigdata.relation.locator.DefaultResourceLocator.cacheMiss(DefaultResourceLocator.java:395)
    wdqs-updater_1     |        at 
com.bigdata.relation.locator.DefaultResourceLocator.locate(DefaultResourceLocator.java:347)
    wdqs-updater_1     |        at 
com.bigdata.rdf.sail.BigdataSail$BigdataSailConnection.<init>(BigdataSail.java:2067)
    wdqs-updater_1     |        at 
com.bigdata.rdf.sail.BigdataSail$BigdataSailReadOnlyConnection.<init>(BigdataSail.java:5235)
    wdqs-updater_1     |        at 
com.bigdata.rdf.sail.BigdataSail._getReadOnlyConnection(BigdataSail.java:1539)
    wdqs-updater_1     |        at 
com.bigdata.rdf.sail.BigdataSail.getReadOnlyConnection(BigdataSail.java:1502)
    wdqs-updater_1     |        at 
com.bigdata.rdf.sail.BigdataSailRepository.getReadOnlyConnection(BigdataSailRepository.java:140)
    wdqs-updater_1     |        at 
com.bigdata.rdf.task.AbstractApiTask.getQueryConnection(AbstractApiTask.java:247)
    wdqs-updater_1     |        at 
com.bigdata.rdf.task.AbstractApiTask.getQueryConnection(AbstractApiTask.java:221)
    wdqs-updater_1     |        at 
com.bigdata.rdf.sail.webapp.QueryServlet$SparqlQueryTask.call(QueryServlet.java:746)
    wdqs-updater_1     |        at 
com.bigdata.rdf.sail.webapp.QueryServlet$SparqlQueryTask.call(QueryServlet.java:695)
    wdqs-updater_1     |        at 
com.bigdata.rdf.task.ApiTaskForIndexManager.call(ApiTaskForIndexManager.java:68)
    wdqs-updater_1     |        at 
java.util.concurrent.FutureTask.run(FutureTask.java:266)
    wdqs-updater_1     |        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
    wdqs-updater_1     |        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
    wdqs-updater_1     |        ... 1 more
    wdqs-updater_1     | Caused by: java.lang.RuntimeException: off=0, len=702
    wdqs-updater_1     |        at 
com.bigdata.io.SerializerUtil.deserialize(SerializerUtil.java:239)
    wdqs-updater_1     |        at 
com.bigdata.io.SerializerUtil.deserialize(SerializerUtil.java:207)
    wdqs-updater_1     |        at 
com.bigdata.sparse.ValueType.decode(ValueType.java:333)
    wdqs-updater_1     |        at 
com.bigdata.sparse.AbstractAtomicRowReadOrWrite.atomicRead(AbstractAtomicRowReadOrWrite.java:347)
    wdqs-updater_1     |        at 
com.bigdata.sparse.AbstractAtomicRowReadOrWrite.atomicRead(AbstractAtomicRowReadOrWrite.java:157)
    wdqs-updater_1     |        at 
com.bigdata.sparse.AtomicRowRead.apply(AtomicRowRead.java:98)
    wdqs-updater_1     |        at 
com.bigdata.sparse.AtomicRowRead.apply(AtomicRowRead.java:36)
    wdqs-updater_1     |        at 
com.bigdata.btree.AbstractBTree.submit(AbstractBTree.java:3263)
    wdqs-updater_1     |        at 
com.bigdata.sparse.SparseRowStore.read(SparseRowStore.java:537)
    wdqs-updater_1     |        at 
com.bigdata.sparse.SparseRowStore.read(SparseRowStore.java:420)
    wdqs-updater_1     |        at 
com.bigdata.relation.locator.DefaultResourceLocator.locateResourceOn(DefaultResourceLocator.java:807)
    wdqs-updater_1     |        ... 17 more
    wdqs-updater_1     | Caused by: 
com.bigdata.rdf.vocab.BaseVocabulary$VocabularyVersioningException
    wdqs-updater_1     |        at 
com.bigdata.rdf.vocab.BaseVocabulary.readVersion2(BaseVocabulary.java:680)
    wdqs-updater_1     |        at 
com.bigdata.rdf.vocab.BaseVocabulary.readExternal(BaseVocabulary.java:458)
    wdqs-updater_1     |        at 
java.io.ObjectInputStream.readExternalData(ObjectInputStream.java:2118)
    wdqs-updater_1     |        at 
java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2067)
    wdqs-updater_1     |        at 
java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1573)
    wdqs-updater_1     |        at 
java.io.ObjectInputStream.readObject(ObjectInputStream.java:431)
    wdqs-updater_1     |        at 
com.bigdata.io.SerializerUtil.deserialize(SerializerUtil.java:231)
    wdqs-updater_1     |        ... 27 more
    wdqs-updater_1     | 
    wdqs-updater_1     |        at 
org.wikidata.query.rdf.tool.rdf.client.RdfClient.execute(RdfClient.java:226)
    wdqs-updater_1     |        at 
org.wikidata.query.rdf.tool.rdf.client.RdfClient.query(RdfClient.java:97)
    wdqs-updater_1     |        at 
org.wikidata.query.rdf.tool.rdf.RdfRepository.dateFromQuery(RdfRepository.java:540)
    wdqs-updater_1     |        at 
org.wikidata.query.rdf.tool.rdf.RdfRepository.fetchLeftOffTime(RdfRepository.java:509)
    wdqs-updater_1     |        at 
org.wikidata.query.rdf.tool.change.ChangeSourceContext.getStartTime(ChangeSourceContext.java:92)
    wdqs-updater_1     |        at 
org.wikidata.query.rdf.tool.Update.initialize(Update.java:145)
    wdqs-updater_1     |        at 
org.wikidata.query.rdf.tool.Update.main(Update.java:98)
    wdqs-updater_1     | Exception in thread "main" 
org.wikidata.query.rdf.tool.exception.ContainedException: Non-200 response from 
triple store:  HttpContentResponse[HTTP/1.1 500 Server Error - 8074 bytes] body=
    wdqs-updater_1     | SPARQL-QUERY: queryStr=PREFIX schema: 
<http://schema.org/>
    wdqs-updater_1     | SELECT * WHERE { <http://wikibase.svc> 
schema:dateModified ?date }
    wdqs-updater_1     | java.util.concurrent.ExecutionException: 
java.lang.RuntimeException: off=0, len=702::namespace=wdq, 
timestamp=readOnly(1626430606490), readTime=readOnly(1620304255632)
    wdqs-updater_1     |        at 
java.util.concurrent.FutureTask.report(FutureTask.java:122)
    wdqs-updater_1     |        at 
java.util.concurrent.FutureTask.get(FutureTask.java:206)
    wdqs-updater_1     |        at 
com.bigdata.rdf.sail.webapp.BigdataServlet.submitApiTask(BigdataServlet.java:292)
    wdqs-updater_1     |        at 
com.bigdata.rdf.sail.webapp.QueryServlet.doSparqlQuery(QueryServlet.java:678)
    wdqs-updater_1     |        at 
com.bigdata.rdf.sail.webapp.QueryServlet.doPost(QueryServlet.java:275)
    wdqs-updater_1     |        at 
com.bigdata.rdf.sail.webapp.RESTServlet.doPost(RESTServlet.java:269)
    wdqs-updater_1     |        at 
com.bigdata.rdf.sail.webapp.MultiTenancyServlet.doPost(MultiTenancyServlet.java:195)
    wdqs-updater_1     |        at 
javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
    wdqs-updater_1     |        at 
javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
    wdqs-updater_1     |        at 
org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:865)
    wdqs-updater_1     |        at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1655)
    wdqs-updater_1     |        at 
org.wikidata.query.rdf.blazegraph.throttling.ThrottlingFilter.doFilter(ThrottlingFilter.java:320)
    wdqs-updater_1     |        at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642)
    wdqs-updater_1     |        at 
org.wikidata.query.rdf.blazegraph.throttling.SystemOverloadFilter.doFilter(SystemOverloadFilter.java:82)
    wdqs-updater_1     |        at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642)
    wdqs-updater_1     |        at 
ch.qos.logback.classic.helpers.MDCInsertingServletFilter.doFilter(MDCInsertingServletFilter.java:49)
    wdqs-updater_1     |        at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642)
    wdqs-updater_1     |        at 
org.wikidata.query.rdf.blazegraph.filters.QueryEventSenderFilter.doFilter(QueryEventSenderFilter.java:86)
    wdqs-updater_1     |        at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642)
    wdqs-updater_1     |        at 
org.wikidata.query.rdf.blazegraph.filters.ClientIPFilter.doFilter(ClientIPFilter.java:43)
    wdqs-updater_1     |        at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642)
    wdqs-updater_1     |        at 
org.wikidata.query.rdf.blazegraph.filters.RealAgentFilter.doFilter(RealAgentFilter.java:33)
    wdqs-updater_1     |        at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1634)
    wdqs-updater_1     |        at 
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:533)
    wdqs-updater_1     |        at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:146)
    wdqs-updater_1     |        at 
org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548)
    wdqs-updater_1     |        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)
    wdqs-updater_1     |        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:257)
    wdqs-updater_1     |        at 
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1595)
    wdqs-updater_1     |        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:255)
    wdqs-updater_1     |        at 
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1340)
    wdqs-updater_1     |        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:203)
    wdqs-updater_1     |        at 
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:473)
    wdqs-updater_1     |        at 
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1564)
    wdqs-updater_1     |        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:201)
    wdqs-updater_1     |        at 
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1242)
    wdqs-updater_1     |        at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:144)
    wdqs-updater_1     |        at 
org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:220)
    wdqs-updater_1     |        at 
org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:126)
    wdqs-updater_1     |        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)
    wdqs-updater_1     |        at 
org.eclipse.jetty.server.Server.handle(Server.java:503)
    wdqs-updater_1     |        at 
org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:364)
    wdqs-updater_1     |        at 
org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:260)
    wdqs-updater_1     |        at 
org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:305)
    wdqs-updater_1     |        at 
org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:103)
    wdqs-updater_1     |        at 
org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:118)
    wdqs-updater_1     |        at 
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:333)
    wdqs-updater_1     |        at 
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:310)
    wdqs-updater_1     |        at 
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:168)
    wdqs-updater_1     |        at 
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:126)
    wdqs-updater_1     |        at 
org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:366)
    wdqs-updater_1     |        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:765)
    wdqs-updater_1     |        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:683)
    wdqs-updater_1     |        at java.lang.Thread.run(Thread.java:748)
    wdqs-updater_1     | Caused by: java.lang.RuntimeException: off=0, 
len=702::namespace=wdq, timestamp=readOnly(1626430606490), 
readTime=readOnly(1620304255632)
    wdqs-updater_1     |        at 
com.bigdata.relation.locator.DefaultResourceLocator.locateResourceOn(DefaultResourceLocator.java:817)
    wdqs-updater_1     |        at 
com.bigdata.relation.locator.DefaultResourceLocator.locateResource(DefaultResourceLocator.java:586)
    wdqs-updater_1     |        at 
com.bigdata.relation.locator.DefaultResourceLocator.cacheMiss(DefaultResourceLocator.java:395)
    wdqs-updater_1     |        at 
com.bigdata.relation.locator.DefaultResourceLocator.locate(DefaultResourceLocator.java:347)
    wdqs-updater_1     |        at 
com.bigdata.rdf.sail.BigdataSail$BigdataSailConnection.<init>(BigdataSail.java:2067)
    wdqs-updater_1     |        at 
com.bigdata.rdf.sail.BigdataSail$BigdataSailReadOnlyConnection.<init>(BigdataSail.java:5235)
    wdqs-updater_1     |        at 
com.bigdata.rdf.sail.BigdataSail._getReadOnlyConnection(BigdataSail.java:1539)
    wdqs-updater_1     |        at 
com.bigdata.rdf.sail.BigdataSail.getReadOnlyConnection(BigdataSail.java:1502)
    wdqs-updater_1     |        at 
com.bigdata.rdf.sail.BigdataSailRepository.getReadOnlyConnection(BigdataSailRepository.java:140)
    wdqs-updater_1     |        at 
com.bigdata.rdf.task.AbstractApiTask.getQueryConnection(AbstractApiTask.java:247)
    wdqs-updater_1     |        at 
com.bigdata.rdf.task.AbstractApiTask.getQueryConnection(AbstractApiTask.java:221)
    wdqs-updater_1     |        at 
com.bigdata.rdf.sail.webapp.QueryServlet$SparqlQueryTask.call(QueryServlet.java:746)
    wdqs-updater_1     |        at 
com.bigdata.rdf.sail.webapp.QueryServlet$SparqlQueryTask.call(QueryServlet.java:695)
    wdqs-updater_1     |        at 
com.bigdata.rdf.task.ApiTaskForIndexManager.call(ApiTaskForIndexManager.java:68)
    wdqs-updater_1     |        at 
java.util.concurrent.FutureTask.run(FutureTask.java:266)
    wdqs-updater_1     |        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
    wdqs-updater_1     |        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
    wdqs-updater_1     |        ... 1 more
    wdqs-updater_1     | Caused by: java.lang.RuntimeException: off=0, len=702
    wdqs-updater_1     |        at 
com.bigdata.io.SerializerUtil.deserialize(SerializerUtil.java:239)
    wdqs-updater_1     |        at 
com.bigdata.io.SerializerUtil.deserialize(SerializerUtil.java:207)
    wdqs-updater_1     |        at 
com.bigdata.sparse.ValueType.decode(ValueType.java:333)
    wdqs-updater_1     |        at 
com.bigdata.sparse.AbstractAtomicRowReadOrWrite.atomicRead(AbstractAtomicRowReadOrWrite.java:347)
    wdqs-updater_1     |        at 
com.bigdata.sparse.AbstractAtomicRowReadOrWrite.atomicRead(AbstractAtomicRowReadOrWrite.java:157)
    wdqs-updater_1     |        at 
com.bigdata.sparse.AtomicRowRead.apply(AtomicRowRead.java:98)
    wdqs-updater_1     |        at 
com.bigdata.sparse.AtomicRowRead.apply(AtomicRowRead.java:36)
    wdqs-updater_1     |        at 
com.bigdata.btree.AbstractBTree.submit(AbstractBTree.java:3263)
    wdqs-updater_1     |        at 
com.bigdata.sparse.SparseRowStore.read(SparseRowStore.java:537)
    wdqs-updater_1     |        at 
com.bigdata.sparse.SparseRowStore.read(SparseRowStore.java:420)
    wdqs-updater_1     |        at 
com.bigdata.relation.locator.DefaultResourceLocator.locateResourceOn(DefaultResourceLocator.java:807)
    wdqs-updater_1     |        ... 17 more
    wdqs-updater_1     | Caused by: 
com.bigdata.rdf.vocab.BaseVocabulary$VocabularyVersioningException
    wdqs-updater_1     |        at 
com.bigdata.rdf.vocab.BaseVocabulary.readVersion2(BaseVocabulary.java:680)
    wdqs-updater_1     |        at 
com.bigdata.rdf.vocab.BaseVocabulary.readExternal(BaseVocabulary.java:458)
    wdqs-updater_1     |        at 
java.io.ObjectInputStream.readExternalData(ObjectInputStream.java:2118)
    wdqs-updater_1     |        at 
java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2067)
    wdqs-updater_1     |        at 
java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1573)
    wdqs-updater_1     |        at 
java.io.ObjectInputStream.readObject(ObjectInputStream.java:431)
    wdqs-updater_1     |        at 
com.bigdata.io.SerializerUtil.deserialize(SerializerUtil.java:231)
    wdqs-updater_1     |        ... 27 more
    wdqs-updater_1     | 
    wdqs-updater_1     |        at 
org.wikidata.query.rdf.tool.rdf.client.RdfClient.execute(RdfClient.java:226)
    wdqs-updater_1     |        at 
org.wikidata.query.rdf.tool.rdf.client.RdfClient.query(RdfClient.java:97)
    wdqs-updater_1     |        at 
org.wikidata.query.rdf.tool.rdf.RdfRepository.dateFromQuery(RdfRepository.java:540)
    wdqs-updater_1     |        at 
org.wikidata.query.rdf.tool.rdf.RdfRepository.fetchLeftOffTime(RdfRepository.java:509)
    wdqs-updater_1     |        at 
org.wikidata.query.rdf.tool.change.ChangeSourceContext.getStartTime(ChangeSourceContext.java:92)
    wdqs-updater_1     |        at 
org.wikidata.query.rdf.tool.Update.initialize(Update.java:145)
    wdqs-updater_1     |        at 
org.wikidata.query.rdf.tool.Update.main(Update.java:98)
    example_wdqs-updater_1 exited with code 1

TASK DETAIL
  https://phabricator.wikimedia.org/T286334

EMAIL PREFERENCES
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To: toan
Cc: toan, danshick-wmde, Aklapper, RShigapov, Invadibot, maantietaja, 
Akuckartz, Iflorez, darthmon_wmde, alaa_wmde, Nandana, Lahi, Gq86, 
GoranSMilovanovic, QZanden, LawExplorer, _jensen, rosalieper, Scott_WUaS, 
Wikidata-bugs, aude, Lydia_Pintscher, Addshore, Mbch331
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