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my error : 

javax.el.PropertyNotWritableException: /rapport.xhtml @295,93 value="#
{userReporting.getNameType(userReporting.selected)}": Illegal Syntax 
for Set Operation

my xhtml :

<p:selectManyMenu id="type" value="#{userReporting.getNameType(userReporting.selected)}">
    <f:selectItem itemLabel="do" itemValue="do" />
    <f:selectItem itemLabel="ro" itemValue="ro" />
    <f:selectItem itemLabel="go" itemValue="go" />
</p:selectManyMenu>

my bean :

public String[] getNameType(int id){
    String[] strings = (String[]) this.genTypeFacade.getNameType(id).stream().toArray(String[]::new);
    return strings;
}

I cant submit the form

Tiny
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anonimosz
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  • Please read this answer: https://stackoverflow.com/a/2090062/1144326 – Ouerghi Yassine Jun 16 '17 at 02:16
  • Possible duplicate of [javax.el.PropertyNotWritableException: Illegal Syntax for Set Operation](https://stackoverflow.com/questions/14540153/javax-el-propertynotwritableexception-illegal-syntax-for-set-operation) – Kukeltje Dec 06 '18 at 09:09

1 Answers1

0

The value attribute should not have getter method as value as it will be used for setting selected values as well. Use a list like value="#{userRepoeting.selectedOptions}" and define getter and setter for selectedOptions in the backing bean.

OTM
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