java.lang.IllegalArgumentException: Cannot invoke getter of property 'classes' of bean 'class java.lang.Class'.

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OmniFaces Json#encode() stack overflow with IllegalArgumentException: Cannot invoke getter of property 'classes' of bean 'class java.lang.Class'

Cannot invoke getter of property 'classes' of bean 'class java.lang.Class'.

java.lang.IllegalArgumentException: Cannot invoke getter of property 'classes' of bean 'class java.lang.Class'.	at org.omnifaces.util.Json.encodeBean(Json.java:178)	at org.omnifaces.util.Json.encode(Json.java:89)	at org.omnifaces.util.Json.encodeBean(Json.java:191)	at org.omnifaces.util.Json.encode(Json.java:89)	at org.omnifaces.util.Json.encodeArray(Json.java:123)	at org.omnifaces.util.Json.encode(Json.java:83)	at org.omnifaces.util.Json.encodeBean(Json.java:191)	at org.omnifaces.util.Json.encode(Json.java:89)	at org.omnifaces.util.Json.encodeBean(Json.java:191)	at org.omnifaces.util.Json.encode(Json.java:89)	at org.omnifaces.util.Json.encodeArray(Json.java:123)	at org.omnifaces.util.Json.encode(Json.java:83)	at org.omnifaces.util.Json.encodeBean(Json.java:191)	at org.omnifaces.util.Json.encode(Json.java:89)	at org.omnifaces.util.Json.encodeBean(Json.java:191)	at org.omnifaces.util.Json.encode(Json.java:89)	at org.omnifaces.util.Json.encodeBean(Json.java:191)	at org.omnifaces.util.Json.encode(Json.java:89)	at org.omnifaces.util.Json.encodeArray(Json.java:123)