java - How to correctly specify a default value in the Spring @Value annotation? -

initially, have following spec:

@value("#{props.isfpl}") private boolean isfpl=false; 

this works fine correctly getting value property file:

isfpl = true 

however, following expression default results in error:

@value("#{props.isfpl:false}") private boolean isfpl=false; 

expression parsing failed; nested exception org.springframework.expression.spel.spelparseexception: el1041e:(pos 28): after parsing valid expression, there still more data in expression: 'colon(:)'

i tried use $ instead of #.

@value("${props.isfpl:true}") private boolean isfpl=false; 

then default value in annotation works fine did not correct value properties file:

try $ follows

@value("${props.isfpl:true}") private boolean isfpl=false; 

also make sure set ignore-resource-no-found true if property file missing, default value taken.

also, place following in -

the context file if using xm based configuration :

<context:property-placeholder ignore-resource-not-found="true"/> 

in configuration class if using java configurations :

 @bean  public static propertysourcesplaceholderconfigurer   propertysourcesplaceholderconfigurer() {      propertysourcesplaceholderconfigurer p =  new propertysourcesplaceholderconfigurer();      p.setignoreresourcenotfound(true);      return p;  }