Errors after upgrade to Appian 17.2

Question

Hi all,

We have just upgrade from 7.9 to Appian 17.1 and it was all good. Then we have upgrade from Appian 17.1 to 17.2 and although the Jboss Server starts we see all the time erros like this.

12:06:46,906 INFO [stdout] (Appian ReschedulingTimerTask - IaReplicatorTimerTask - 189) 2019-04-10 12:06:46,906 [Appian ReschedulingTimerTask - IaReplicatorTimerTask - 189] ERROR com.appiancorp.kougar.mapper.returns.BeanReturnConverter - BeanReturnConverter conversion error: class com.appiancorp.suiteapi.rules.FreeformRule, list class class java.util.ArrayList, return conversion map class class com.appiancorp.kougar.mapper.returns.ReturnConversionMap
12:06:46,906 INFO [stdout] (Appian ReschedulingTimerTask - IaReplicatorTimerTask - 189) com.appiancorp.kougar.mapper.exceptions.ReturnException: null unable to convert <[collection class java.util.Arrays$ArrayList:[array class [Ljava.lang.Object; length 3:dep_functions,[array class [Ljava.lang.String; length 2:update,if] ,[collection class java.util.Arrays$ArrayList:[array class [Ljava.lang.Object; length 3:class,[Ljava.lang.String;,null] ] ] [array class [Ljava.lang.Object; length 3:dep_rules,[int array length 2:6908,6665] ,[collection class java.util.Arrays$ArrayList:[array class [Ljava.lang.Object; length 3:class,[Ljava.lang.Long;,null] ] ] [array class [Ljava.lang.Object; length 3:definition,
12:06:46,906 INFO [stdout] (Appian ReschedulingTimerTask - IaReplicatorTimerTask - 189) =a!tag(
12:06:46,906 INFO [stdout] (Appian ReschedulingTimerTask - IaReplicatorTimerTask - 189)   {interfaceDesignerDesignStyle: fn!if(ri!designStyle, "design", "data")},
12:06:46,906 INFO [stdout] (Appian ReschedulingTimerTask - IaReplicatorTimerTask - 189)   fn!update(
12:06:46,906 INFO [stdout] (Appian ReschedulingTimerTask - IaReplicatorTimerTask - 189)     a!sectionLayout(
12:06:46,907 INFO [stdout] (Appian ReschedulingTimerTask - IaReplicatorTimerTask - 189)       label: ri!label,
12:06:46,907 INFO [stdout] (Appian ReschedulingTimerTask - IaReplicatorTimerTask - 189)       firstColumnContents: ri!firstColumnContents,
12:06:46,907 INFO [stdout] (Appian ReschedulingTimerTask - IaReplicatorTimerTask - 189)       secondColumnContents: ri!secondColumnContents
12:06:46,907 INFO [stdout] (Appian ReschedulingTimerTask - IaReplicatorTimerTask - 189)     ),
12:06:46,907 INFO [stdout] (Appian ReschedulingTimerTask - IaReplicatorTimerTask - 189)     "actions",
12:06:46,907 INFO [stdout] (Appian ReschedulingTimerTask - IaReplicatorTimerTask - 189)     ri!actions
12:06:46,907 INFO [stdout] (Appian ReschedulingTimerTask - IaReplicatorTimerTask - 189)   )
12:06:46,907 INFO [stdout] (Appian ReschedulingTimerTask - IaReplicatorTimerTask - 189) )
12:06:46,907 INFO [stdout] (Appian ReschedulingTimerTask - IaReplicatorTimerTask - 189)         ,[collection class java.util.Arrays$ArrayList:[array class [Ljava.lang.Object; length 3:class,java.lang.String,null] ] ] [array class [Ljava.lang.Object; length 3:dep_types,[array class [Ljava.lang.String; length 0:] ,[collection class java.util.Arrays$ArrayList:[array class [Ljava.lang.Object; length 3:class,[Ljava.lang.String;,null] ] ] [array class [Ljava.lang.Object; length 3:parameters,[array class [Ljava.lang.Object; length 5:[collection class java.util.Arrays$ArrayList:[array class [Ljava.lang.Object; length 3:...,...,null] [array class [Ljava.lang.Object; length 3:...,...,null] [array class [Ljava.lang.Object; length 3:...,...,null] [array class [Ljava.lang.Object; length 3:...,...,null] ] ,[collection class java.util.Arrays$ArrayList:[array class [Ljava.lang.Object; length 3:...,...,null] [array class [Ljava.lang.Object; length 3:...,...,null] [array class [Ljava.lang.Object; length 3:...,null,null] [array class [Ljava.lang.Object; length 3:...,...,null] ] ,[collection class java.util.Arrays$ArrayList:[array class [Ljava.lang.Object; length 3:...,...,null] [array class [Ljava.lang.Object; length 3:...,...,null] [array class [Ljava.lang.Object; length 3:...,null,null] [array class [Ljava.lang.Object; length 3:...,...,null] ] ,[collection class java.util.Arrays$ArrayList:[array class [Ljava.lang.Object; length 3:...,...,null] [array class [Ljava.lang.Object; length 3:...,...,null] [array class [Ljava.lang.Object; length 3:...,...,null] [array class [Ljava.lang.Object; length 3:...,...,null] ] ,[collection class java.util.Arrays$ArrayList:[array class [Ljava.lang.Object; length 3:...,...,null] [array class [Ljava.lang.Object; length 3:...,...,null] [array class [Ljava.lang.Object; length 3:...,null,null] [array class [Ljava.lang.Object; length 3:...,...,null] ] ] ,[collection class java.util.Arrays$ArrayList:[array class [Ljava.lang.Object; length 3:class,[Lcom.appiancorp.suiteapi.process.TypedVariable;,null] ] ] [array class [Ljava.lang.Object; length 3:dep_variables,[array class [Ljava.lang.Object; length 5:[array class [Ljava.lang.String; length 2:ri,designStyle] ,[array class [Ljava.lang.String; length 2:ri,secondColumnContents] ,[array class [Ljava.lang.String; length 2:ri,firstColumnContents] ,[array class [Ljava.lang.String; length 2:ri,label] ,[array class [Ljava.lang.String; length 2:ri,actions] ] ,[collection class java.util.Arrays$ArrayList:[array class [Ljava.lang.Object; length 3:class,[[Ljava.lang.String;,null] ] ] [array class [Ljava.lang.Object; length 3:ruletype,-2147483648,null] [array class [Ljava.lang.Object; length 3:system,1,null] [array class [Ljava.lang.Object; length 3:hidden,1,null] ] > of type <class java.util.Arrays$ArrayList> to type <interface java.util.Map>
12:06:46,907 INFO [stdout] (Appian ReschedulingTimerTask - IaReplicatorTimerTask - 189)        at com.appiancorp.kougar.mapper.returns.MapReturnConverter.convert(MapReturnConverter.java:45)

In Addition to that, in the appian logs Folder, files of the type PA00011_20190410115605_incremental_update_error.l are being continuosly generated