Documentation view causes a huge amount of DatabaseExceptions.
Example:
org.simantics.db.layer0.exception.MissingVariableValueException: http://www.simantics.org/DocumentUI-1.1/View/1572407512/Content/Alternative/Sash/View/TextContainer/Text#text
at org.simantics.db.layer0.function.All.standardGetValue1(All.java:153)
at org.simantics.db.layer0.function.All$1.getValue(All.java:421)
at org.simantics.db.layer0.variable.StandardGraphPropertyVariable.getValue(StandardGraphPropertyVariable.java:131)
at org.simantics.db.layer0.variable.AbstractVariable.getPropertyValue(AbstractVariable.java:416)
at org.simantics.scenegraph.loader.ScenegraphLoaderUtils$4.perform(ScenegraphLoaderUtils.java:255)
at org.simantics.db.impl.query.ReadEntry$1.recompute(ReadEntry.java:60)
at org.simantics.db.impl.query.QueryProcessor.compareTo(QueryProcessor.java:1625)
at org.simantics.db.impl.query.QueryProcessor.performScheduledUpdates(QueryProcessor.java:1706)
at fi.vtt.simantics.procore.internal.State.commitWriteTransaction(State.java:342)
at fi.vtt.simantics.procore.internal.SessionRequestManager$4.run0(SessionRequestManager.java:236)
at org.simantics.db.impl.query.QueryProcessor$SessionTask.run(QueryProcessor.java:307)
at org.simantics.db.impl.query.QueryThread.run(QueryThread.java:254)
Caused by: org.simantics.db.exception.NoSingleResultException: No single object for subject [TS_AND02 - [id=$6397995]] and relation [HasDocument - [id=$90317]] [resultCount=0]
at org.simantics.db.impl.graph.ReadGraphImpl.getSingleObject(ReadGraphImpl.java:949)
at org.simantics.document.ui.function.All.getDefaultSelection(All.java:281)
at org.simantics.document.ui.function.All.resolveEditSelection(All.java:303)
at org.simantics.document.ui.function.All.selectedDocumentPart(All.java:354)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.simantics.scl.reflection.functions.ClassMethodFunction3.apply(ClassMethodFunction3.java:22)
at org.simantics.db.impl.graph.ReadGraphImpl.getValue2(ReadGraphImpl.java:5976)
at org.simantics.db.layer0.function.All.standardGetValue1(All.java:150)
... 11 more