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Posted to dev@velocity.apache.org by bu...@apache.org on 2002/07/26 18:35:09 UTC

DO NOT REPLY [Bug 11211] New: - NullPointerException thrown when using == instead of = in #set directive

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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=11211

NullPointerException thrown when using == instead of = in #set directive

           Summary: NullPointerException thrown when using == instead of =
                    in #set directive
           Product: Velocity
           Version: 1.3-rc1
          Platform: PC
        OS/Version: Windows NT/2K
            Status: NEW
          Severity: Normal
          Priority: Other
         Component: Source
        AssignedTo: velocity-dev@jakarta.apache.org
        ReportedBy: peixotto@geofolio.com


When using == instead of = inside a #set directive a NullPointerException is
thrown.  For example,

#set($dave == "aCoolGuy")

will cause an NPE to be thrown.  The syntax is obviously wrong, but Velocity
should give a helpful error message, or at least some kind of error message
rather than throwing an NPE.

The relevant portion of the stack trace has been included below:
java.lang.NullPointerException
	at
org.apache.velocity.runtime.parser.node.ASTSetDirective.render(ASTSetDirective.java:135)
	at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:271)
	at org.apache.velocity.app.VelocityEngine.evaluate(VelocityEngine.java:358)
	at org.apache.velocity.app.VelocityEngine.evaluate(VelocityEngine.java:252)

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