Requests for editing large group pages can be blocked when using smaller values for 'max_allowed_packet'

Caused by: org.apache.velocity.exception.MethodInvocationException: Invocation of method 'save' in  class com.xpn.xwiki.api.Document threw exception com.xpn.xwiki.XWikiException: Er
ror number 3201 in 3: Exception while saving document XWiki.XWikiAllGroup at 170:/templates/adduorg.vm[line 13, column 27]
        at org.apache.velocity.runtime.parser.node.ASTMethod.handleInvocationException(ASTMethod.java:243)
        at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:187)
        at org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:280)
        at org.apache.velocity.runtime.parser.node.ASTReference.value(ASTReference.java:567)
        at org.apache.velocity.runtime.parser.node.ASTExpression.value(ASTExpression.java:71)
        at org.apache.velocity.runtime.parser.node.ASTSetDirective.render(ASTSetDirective.java:142)
        at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72)
        at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:87)
        at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72)
        at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:87)
        at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:342)
        at org.xwiki.velocity.internal.DefaultVelocityEngine.evaluateInternal(DefaultVelocityEngine.java:264)
        at org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java:224)
        ... 64 common frames omitted
Caused by: com.xpn.xwiki.XWikiException: Error number 3201 in 3: Exception while saving document XWiki.XWikiAllGroup
        at com.xpn.xwiki.store.XWikiHibernateStore.saveXWikiDoc(XWikiHibernateStore.java:668)
        at com.xpn.xwiki.store.XWikiCacheStore.saveXWikiDoc(XWikiCacheStore.java:227)
        at com.xpn.xwiki.store.XWikiCacheStore.saveXWikiDoc(XWikiCacheStore.java:217)
        at com.xpn.xwiki.XWiki.saveDocument(XWiki.java:2020)
        at com.xpn.xwiki.api.Document.saveDocument(Document.java:2629)
        at com.xpn.xwiki.api.Document.saveDocument(Document.java:2608)
        at com.xpn.xwiki.api.Document.save(Document.java:2500)
        at com.xpn.xwiki.api.Document.save(Document.java:2489)
        at jdk.internal.reflect.GeneratedMethodAccessor2269.invoke(Unknown Source)
        at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.base/java.lang.reflect.Method.invoke(Method.java:566)
        at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.doInvoke(UberspectImpl.java:395)
        at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:384)
        at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:173)
        ... 75 common frames omitted
Caused by: com.xpn.xwiki.XWikiException: Error number 3211 in 3: Exception while updating archive XWiki.XWikiAllGroup
        at com.xpn.xwiki.store.XWikiHibernateVersioningStore.updateXWikiDocArchive(XWikiHibernateVersioningStore.java:275)
        at com.xpn.xwiki.store.XWikiHibernateStore.saveXWikiDoc(XWikiHibernateStore.java:559)
        ... 88 common frames omitted
Caused by: com.xpn.xwiki.XWikiException: Error number 0 in 3: Exception while hibernate execute
        at com.xpn.xwiki.store.XWikiHibernateBaseStore.execute(XWikiHibernateBaseStore.java:826)
        at com.xpn.xwiki.store.XWikiHibernateBaseStore.executeRead(XWikiHibernateBaseStore.java:889)
        at com.xpn.xwiki.store.XWikiHibernateVersioningStore.loadRCSNodeContent(XWikiHibernateVersioningStore.java:320)
        at com.xpn.xwiki.doc.rcs.XWikiRCSNodeInfo.getContent(XWikiRCSNodeInfo.java:195)
        at com.xpn.xwiki.doc.XWikiDocumentArchive.makePatch(XWikiDocumentArchive.java:136)
        at com.xpn.xwiki.doc.XWikiDocumentArchive.updateArchive(XWikiDocumentArchive.java:252)
        at com.xpn.xwiki.store.XWikiHibernateVersioningStore.updateXWikiDocArchive(XWikiHibernateVersioningStore.java:269)
        ... 89 common frames omitted
Caused by: org.hibernate.exception.GenericJDBCException: could not extract ResultSet
        at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:47)
        at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:113)
        at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:99)
        at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:67)
        at org.hibernate.loader.plan.exec.internal.AbstractLoadPlanBasedLoader.getResultSet(AbstractLoadPlanBasedLoader.java:390)
        at org.hibernate.loader.plan.exec.internal.AbstractLoadPlanBasedLoader.executeQueryStatement(AbstractLoadPlanBasedLoader.java:163)
        at org.hibernate.loader.plan.exec.internal.AbstractLoadPlanBasedLoader.executeLoad(AbstractLoadPlanBasedLoader.java:104)
        at org.hibernate.loader.entity.plan.AbstractLoadPlanBasedEntityLoader.load(AbstractLoadPlanBasedEntityLoader.java:197)
        at org.hibernate.persister.entity.AbstractEntityPersister.load(AbstractEntityPersister.java:4350)
        at org.hibernate.event.internal.DefaultLoadEventListener.loadFromDatasource(DefaultLoadEventListener.java:569)
        at org.hibernate.event.internal.DefaultLoadEventListener.doLoad(DefaultLoadEventListener.java:537)
        at org.hibernate.event.internal.DefaultLoadEventListener.load(DefaultLoadEventListener.java:208)
        at org.hibernate.event.internal.DefaultLoadEventListener.proxyOrLoad(DefaultLoadEventListener.java:332)
        at org.hibernate.event.internal.DefaultLoadEventListener.doOnLoad(DefaultLoadEventListener.java:108)
        at org.hibernate.event.internal.DefaultLoadEventListener.onLoad(DefaultLoadEventListener.java:74)
        at org.hibernate.event.service.internal.EventListenerGroupImpl.fireEventOnEachListener(EventListenerGroupImpl.java:118)
        at org.hibernate.internal.SessionImpl.fireLoadNoChecks(SessionImpl.java:1168)
        at org.hibernate.internal.SessionImpl.fireLoad(SessionImpl.java:1157)
        at org.hibernate.internal.SessionImpl.load(SessionImpl.java:942)
        at org.hibernate.engine.spi.SessionDelegatorBaseImpl.load(SessionDelegatorBaseImpl.java:820)
        at com.xpn.xwiki.store.XWikiHibernateVersioningStore.lambda$loadRCSNodeContent$3(XWikiHibernateVersioningStore.java:322)
        at com.xpn.xwiki.store.XWikiHibernateBaseStore.execute(XWikiHibernateBaseStore.java:820)
        ... 95 common frames omitted
Caused by: com.mysql.cj.jdbc.exceptions.PacketTooBigException: Packet for query is too large (6,517,615 > 4,194,304). You can change this value on the server by setting the 'max_allowed_packet' variable.
        at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:107)
        at com.mysql.cj.jdbc.ClientPreparedStatement.executeInternal(ClientPreparedStatement.java:953)
        at com.mysql.cj.jdbc.ClientPreparedStatement.executeQuery(ClientPreparedStatement.java:1003)
        at org.apache.commons.dbcp2.DelegatingPreparedStatement.executeQuery(DelegatingPreparedStatement.java:122)
        at org.apache.commons.dbcp2.DelegatingPreparedStatement.executeQuery(DelegatingPreparedStatement.java:122)
        at org.apache.commons.dbcp2.DelegatingPreparedStatement.executeQuery(DelegatingPreparedStatement.java:122)
        at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:57)
        ... 113 common frames omitted