Problem with evaluate expression

[ekfliu]

How do you handle evaluating &&?

I attempted to use
<evaluate expression="(abc != null) &amp;&amp (abc.last != null)">
but all i got is

java.lang.IllegalStateException: Cannot handle (38) '&'
at org.springframework.expression.spel.standard.Token izer.process(Tokenizer.java:187)
at org.springframework.expression.spel.standard.Token izer.<init>(Tokenizer.java:47)
at org.springframework.expression.spel.standard.Inter nalSpelExpressionParser.doParseExpression(Internal SpelExpressionParser.java:109)
at org.springframework.expression.spel.standard.SpelE xpressionParser.doParseExpression(SpelExpressionPa rser.java:56)
at org.springframework.expression.spel.standard.SpelE xpressionParser.doParseExpression(SpelExpressionPa rser.java:1)
at org.springframework.expression.common.TemplateAwar eExpressionParser.parseExpression(TemplateAwareExp ressionParser.java:66)
at org.springframework.binding.expression.spel.Spring ELExpressionParser.parseSpelExpression(SpringELExp ressionParser.java:85)
at org.springframework.binding.expression.spel.Spring ELExpressionParser.parseExpression(SpringELExpress ionParser.java:80)

[James2010]

Read the EL session in Spring Webflow Reference. There is detail information about what you can do.

[ekfliu]

Yeah I upgraded from 2.0.9 to 2.1.1 and all these error started happening. I switch the el engine to OGNL and seems to work fine now.

Thanks a lot.