I found this message in my catalina.out. It seems that this errror slows down the rendering when it occurs.
Is there something I can do to avoid this ?
2019-08-13 14:08:33,452 [Notification event executor: count : 4true/20xwiki:XWiki.barmeier///////21//////8projekte/true : 8] ERROR .r.i.NotificationEventExecutor - Failed to retrieve notifications for cache key [4true/20xwiki:XWiki.barmeier///////21//////8projekte/true]
java.lang.StackOverflowError: null
at antlr.TokenBuffer.LA(TokenBuffer.java:80)
at antlr.LLkParser.LA(LLkParser.java:52)
at org.hibernate.hql.internal.ast.HqlParser.handlePrimaryExpressionDotIdent(HqlParser.java:390)
at org.hibernate.hql.internal.antlr.HqlBaseParser.atom(HqlBaseParser.java:3548)
at org.hibernate.hql.internal.antlr.HqlBaseParser.unaryExpression(HqlBaseParser.java:3401)
at org.hibernate.hql.internal.antlr.HqlBaseParser.multiplyExpression(HqlBaseParser.java:3273)
at org.hibernate.hql.internal.antlr.HqlBaseParser.additiveExpression(HqlBaseParser.java:2930)
at org.hibernate.hql.internal.antlr.HqlBaseParser.concatenation(HqlBaseParser.java:615)
at org.hibernate.hql.internal.antlr.HqlBaseParser.relationalExpression(HqlBaseParser.java:2697)
at org.hibernate.hql.internal.antlr.HqlBaseParser.equalityExpression(HqlBaseParser.java:2558)