Use the non-blocking query to know if a course has lectures enabled

ajp-nio2-127.0.0.1-8009-exec-71  Runnable Thread ID: 29962
  java.net.SocketInputStream.socketRead0(FileDescriptor, byte[], int, int, int) SocketInputStream.java
  java.net.SocketInputStream.socketRead(FileDescriptor, byte[], int, int, int) SocketInputStream.java:116
  java.net.SocketInputStream.read(byte[], int, int, int) SocketInputStream.java:171
  java.net.SocketInputStream.read(byte[], int, int) SocketInputStream.java:141
  org.postgresql.core.VisibleBufferedInputStream.readMore(int, boolean) VisibleBufferedInputStream.java:161
  org.postgresql.core.VisibleBufferedInputStream.ensureBytes(int, boolean) VisibleBufferedInputStream.java:128
  org.postgresql.core.VisibleBufferedInputStream.ensureBytes(int) VisibleBufferedInputStream.java:113
  org.postgresql.core.VisibleBufferedInputStream.read() VisibleBufferedInputStream.java:73
  org.postgresql.core.PGStream.receiveChar() PGStream.java:370
  org.postgresql.core.v3.QueryExecutorImpl.processResults(ResultHandler, int) QueryExecutorImpl.java:2043
  org.postgresql.core.v3.QueryExecutorImpl.execute(Query, ParameterList, ResultHandler, int, int, int) QueryExecutorImpl.java:312
  org.postgresql.jdbc.PgStatement.executeInternal(CachedQuery, ParameterList, int) PgStatement.java:448
  org.postgresql.jdbc.PgStatement.execute(CachedQuery, ParameterList, int) PgStatement.java:369
  org.postgresql.jdbc.PgPreparedStatement.executeWithFlags(int) PgPreparedStatement.java:153
  org.postgresql.jdbc.PgPreparedStatement.executeQuery() PgPreparedStatement.java:103
  org.apache.tomcat.dbcp.dbcp2.DelegatingPreparedStatement.executeQuery() DelegatingPreparedStatement.java:122  <2 recursive calls>
  org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(PreparedStatement) ResultSetReturnImpl.java:57
  org.hibernate.loader.Loader.getResultSet(PreparedStatement, RowSelection, LimitHandler, boolean, SharedSessionContractImplementor) Loader.java:2341
  org.hibernate.loader.Loader.executeQueryStatement(String, QueryParameters, boolean, List, SharedSessionContractImplementor) Loader.java:2094
  org.hibernate.loader.Loader.executeQueryStatement(QueryParameters, boolean, List, SharedSessionContractImplementor) Loader.java:2056
  org.hibernate.loader.Loader.doQuery(SharedSessionContractImplementor, QueryParameters, boolean, ResultTransformer) Loader.java:953
  org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(SharedSessionContractImplementor, QueryParameters, boolean, ResultTransformer) Loader.java:350
  org.hibernate.loader.Loader.doList(SharedSessionContractImplementor, QueryParameters, ResultTransformer) Loader.java:2887
  org.hibernate.loader.Loader.doList(SharedSessionContractImplementor, QueryParameters) Loader.java:2869
  org.hibernate.loader.Loader.listIgnoreQueryCache(SharedSessionContractImplementor, QueryParameters) Loader.java:2701
  org.hibernate.loader.Loader.list(SharedSessionContractImplementor, QueryParameters, Set, Type[]) Loader.java:2696
  org.hibernate.loader.hql.QueryLoader.list(SharedSessionContractImplementor, QueryParameters) QueryLoader.java:506
  org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(SharedSessionContractImplementor, QueryParameters) QueryTranslatorImpl.java:400
  org.hibernate.engine.query.spi.HQLQueryPlan.performList(QueryParameters, SharedSessionContractImplementor) HQLQueryPlan.java:219
  org.hibernate.internal.SessionImpl.list(String, QueryParameters) SessionImpl.java:1415
  org.hibernate.query.internal.AbstractProducedQuery.doList() AbstractProducedQuery.java:1565
  org.hibernate.query.internal.AbstractProducedQuery.list() AbstractProducedQuery.java:1533
  org.hibernate.query.Query.getResultList() Query.java:165
  org.olat.repository.manager.RepositoryEntryDAO.loadForUpdate(RepositoryEntry) RepositoryEntryDAO.java:86
  org.olat.modules.lecture.manager.LectureServiceImpl.getRepositoryEntryLectureConfiguration(RepositoryEntry) LectureServiceImpl.java:197
  org.olat.course.run.CourseRuntimeController.isLectureEnabled() CourseRuntimeController.java:630
  org.olat.course.run.CourseRuntimeController.initToolsMenuRuntime(Dropdown, UserCourseEnvironmentImpl) CourseRuntimeController.java:581
  org.olat.course.run.CourseRuntimeController.initToolsMenu(Dropdown) CourseRuntimeController.java:503
  org.olat.course.run.CourseRuntimeController.initToolbar(Dropdown) CourseRuntimeController.java:470
  org.olat.repository.ui.RepositoryEntryRuntimeController.initToolbar() RepositoryEntryRuntimeController.java:329
  org.olat.repository.ui.RepositoryEntryRuntimeController.<init>(UserRequest, WindowControl, RepositoryEntry, RepositoryEntrySecurity, RepositoryEntryRuntimeController$RuntimeControllerCreator, boolean, boolean) RepositoryEntryRuntimeController.java:261
  org.olat.course.run.CourseRuntimeController.<init>(UserRequest, WindowControl, RepositoryEntry, RepositoryEntrySecurity, RepositoryEntryRuntimeController$RuntimeControllerCreator, boolean, boolean) CourseRuntimeController.java:255
  org.olat.repository.handlers.CourseHandler.createLaunchController(RepositoryEntry, RepositoryEntrySecurity, UserRequest, WindowControl) CourseHandler.java:555
  org.olat.course.site.CourseSiteContextEntryControllerCreator.createLaunchController(RepositoryEntry, UserRequest, WindowControl) CourseSiteContextEntryControllerCreator.java:124
  org.olat.course.site.CourseSiteContextEntryControllerCreator.createController(List, UserRequest, WindowControl) CourseSiteContextEntryControllerCreator.java:76
  org.olat.NewControllerFactory.launch(UserRequest, WindowControl) NewControllerFactory.java:244
  org.olat.NewControllerFactory.launch(String, UserRequest, WindowControl) NewControllerFactory.java:149
  org.olat.repository.ui.author.AuthorListController.launch(UserRequest, AuthoringEntryRow) AuthorListController.java:1174
  org.olat.repository.ui.author.AuthorListController.formInnerEvent(UserRequest, FormItem, FormEvent) AuthorListController.java:720
  org.olat.core.gui.components.form.flexible.impl.FormBasicController.event(UserRequest, Component, Event) FormBasicController.java:430
  org.olat.repository.ui.author.AuthorListController.event(UserRequest, Component, Event) AuthorListController.java:522
  org.olat.core.gui.control.DefaultController.dispatchEvent(UserRequest, Component, Event) DefaultController.java:214
  org.olat.core.gui.components.AbstractComponent$1.run() AbstractComponent.java:240
  org.olat.core.logging.activity.ThreadLocalUserActivityLoggerInstaller.runWithUserActivityLogger(Runnable, IUserActivityLogger) ThreadLocalUserActivityLoggerInstaller.java:108
  org.olat.core.gui.components.AbstractComponent.fireEvent(UserRequest, Event) AbstractComponent.java:238
  org.olat.core.gui.components.form.flexible.impl.FormWrapperContainer.fireFormEvent(UserRequest, FormEvent) FormWrapperContainer.java:136
  org.olat.core.gui.components.form.flexible.impl.Form.fireFormEvent(UserRequest, FormEvent) Form.java:737
  org.olat.core.gui.components.form.flexible.impl.elements.table.FlexiTableElementImpl.doSelect(UserRequest, String, int) FlexiTableElementImpl.java:1697
  org.olat.core.gui.components.form.flexible.impl.elements.table.FlexiTableElementImpl.doSelect(UserRequest) FlexiTableElementImpl.java:1015
  org.olat.core.gui.components.form.flexible.impl.elements.table.FlexiTableElementImpl.evalFormRequest(UserRequest) FlexiTableElementImpl.java:1002
  org.olat.core.gui.components.form.flexible.impl.Form$EvaluatingFormComponentVisitor.visit(FormItem, UserRequest) Form.java:646
  org.olat.core.util.component.FormComponentTraverser.doVisit(FormItem, UserRequest) FormComponentTraverser.java:70  <2 recursive calls>
  org.olat.core.util.component.FormComponentTraverser.visitAll(UserRequest) FormComponentTraverser.java:60
  org.olat.core.gui.components.form.flexible.impl.Form.evalFormRequest(UserRequest) Form.java:285
  org.olat.core.gui.components.form.flexible.impl.FormWrapperContainer.doDispatchRequest(UserRequest) FormWrapperContainer.java:105
  org.olat.core.gui.components.AbstractComponent.dispatchRequest(UserRequest) AbstractComponent.java:193
  org.olat.core.gui.components.Window.doDispatchToComponent(UserRequest, StringBuilder) Window.java:1259
  org.olat.core.gui.components.Window.dispatchRequest(UserRequest, boolean) Window.java:439
  org.olat.core.gui.components.Window.doDispatchRequest(UserRequest) Window.java:320
  org.olat.core.gui.components.AbstractComponent.dispatchRequest(UserRequest) AbstractComponent.java:193
  org.olat.dispatcher.AuthenticatedDispatcher.processValidDispatchURI(UserRequest, UserSession, HttpServletRequest, HttpServletResponse) AuthenticatedDispatcher.java:282
  org.olat.dispatcher.AuthenticatedDispatcher.execute(HttpServletRequest, HttpServletResponse) AuthenticatedDispatcher.java:194
  org.olat.core.servlets.OpenOLATServlet.executeUserRequest(HttpServletRequest, HttpServletResponse) OpenOLATServlet.java:269
  org.olat.core.servlets.OpenOLATServlet.doPost(HttpServletRequest, HttpServletResponse) OpenOLATServlet.java:216
  javax.servlet.http.HttpServlet.service(HttpServletRequest, HttpServletResponse) HttpServlet.java:660
  org.olat.core.servlets.OpenOLATServlet.service(HttpServletRequest, HttpServletResponse) OpenOLATServlet.java:160
  javax.servlet.http.HttpServlet.service(ServletRequest, ServletResponse) HttpServlet.java:741
  org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ServletRequest, ServletResponse) ApplicationFilterChain.java:231
  org.apache.catalina.core.ApplicationFilterChain.doFilter(ServletRequest, ServletResponse) ApplicationFilterChain.java:166
  org.apache.tomcat.websocket.server.WsFilter.doFilter(ServletRequest, ServletResponse, FilterChain) WsFilter.java:53
  org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ServletRequest, ServletResponse) ApplicationFilterChain.java:193
  org.apache.catalina.core.ApplicationFilterChain.doFilter(ServletRequest, ServletResponse) ApplicationFilterChain.java:166
  org.olat.core.servlets.HeadersFilter.doFilter(ServletRequest, ServletResponse, FilterChain) HeadersFilter.java:97
  org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ServletRequest, ServletResponse) ApplicationFilterChain.java:193
  org.apache.catalina.core.ApplicationFilterChain.doFilter(ServletRequest, ServletResponse) ApplicationFilterChain.java:166
  org.apache.catalina.core.StandardWrapperValve.invoke(Request, Response) StandardWrapperValve.java:202
  org.apache.catalina.core.StandardContextValve.invoke(Request, Response) StandardContextValve.java:96
  org.apache.catalina.authenticator.AuthenticatorBase.invoke(Request, Response) AuthenticatorBase.java:541
  org.apache.catalina.core.StandardHostValve.invoke(Request, Response) StandardHostValve.java:139
  org.apache.catalina.valves.ErrorReportValve.invoke(Request, Response) ErrorReportValve.java:92
  org.apache.catalina.core.StandardEngineValve.invoke(Request, Response) StandardEngineValve.java:74
  org.apache.catalina.connector.CoyoteAdapter.service(Request, Response) CoyoteAdapter.java:343
  org.apache.coyote.ajp.AjpProcessor.service(SocketWrapperBase) AjpProcessor.java:431
  org.apache.coyote.AbstractProcessorLight.process(SocketWrapperBase, SocketEvent) AbstractProcessorLight.java:65
  org.apache.coyote.AbstractProtocol$ConnectionHandler.process(SocketWrapperBase, SocketEvent) AbstractProtocol.java:868
  org.apache.tomcat.util.net.Nio2Endpoint$SocketProcessor.doRun() Nio2Endpoint.java:1675
  org.apache.tomcat.util.net.SocketProcessorBase.run() SocketProcessorBase.java:49
  org.apache.tomcat.util.net.AbstractEndpoint.processSocket(SocketWrapperBase, SocketEvent, boolean) AbstractEndpoint.java:1104
  org.apache.tomcat.util.net.Nio2Endpoint$Nio2SocketWrapper$2.completed(Integer, ByteBuffer) Nio2Endpoint.java:599
  org.apache.tomcat.util.net.Nio2Endpoint$Nio2SocketWrapper$2.completed(Object, Object) Nio2Endpoint.java:577
  sun.nio.ch.Invoker.invokeUnchecked(CompletionHandler, Object, Object, Throwable) Invoker.java:126
  sun.nio.ch.Invoker$2.run() Invoker.java:218
  sun.nio.ch.AsynchronousChannelGroupImpl$1.run() AsynchronousChannelGroupImpl.java:112
  java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor$Worker) ThreadPoolExecutor.java:1149
  java.util.concurrent.ThreadPoolExecutor$Worker.run() ThreadPoolExecutor.java:624
  org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run() TaskThread.java:61
  java.lang.Thread.run() Thread.java:748