So I have this: <t:if test="obj">.... </if> obj being null results in false just fine. But doing "obj = new Object()" makes it explode. Oddly enough, "obj = new Integer(1)" (and presumably any other subclass of Object), works just fine.
An unexpected application exception has occurred. Render queue error in BeginRender[Page:layout.if_9]: Failure reading parameter 'test' of component Page:layout.if_9: Could not find a coercion from type java.lang.Object to type java.lang.Boolean. Available coercions: Double --> Float, Float --> Double, Long --> Boolean, Long --> Byte, Long --> Double, Long --> Integer, Long --> Short, Number --> Long, Object --> Object[], Object --> String, Object --> java.util.List, Object[] --> java.util.List, String --> Boolean, String --> Double, String --> Long, String --> java.io.File, String --> java.math.BigDecimal, String --> java.math.BigInteger, String --> java.text.DateFormat, String --> java.util.regex.Pattern, String --> org.apache.tapestry5.Renderable, String --> org.apache.tapestry5.SelectModel, String --> org.apache.tapestry5.corelib.LoopFormState, String --> org.apache.tapestry5.corelib.data.BlankOption, String --> org.apache.tapestry5.corelib.data.GridPagerPosition, String --> org.apache.tapestry5.corelib.data.InsertPosition, String --> org.apache.tapestry5.ioc.Resource, String --> org.apache.tapestry5.ioc.util.TimeInterval, boolean[] --> java.util.List, byte[] --> java.util.List, char[] --> java.util.List, double[] --> java.util.List, float[] --> java.util.List, int[] --> java.util.List, java.math.BigDecimal --> Double, java.util.Collection --> Boolean, java.util.Collection --> Object[], java.util.Collection --> org.apache.tapestry5.grid.GridDataSource, java.util.List --> org.apache.tapestry5.SelectModel, java.util.Map --> org.apache.tapestry5.SelectModel, long[] --> java.util.List, null --> Boolean, null --> org.apache.tapestry5.grid.GridDataSource, org.apache.tapestry5.ComponentResources --> org.apache.tapestry5.PropertyOverrides, org.apache.tapestry5.PrimaryKeyEncoder --> org.apache.tapestry5.ValueEncoder, org.apache.tapestry5.Renderable --> org.apache.tapestry5.Block, org.apache.tapestry5.Renderable --> org.apache.tapestry5.runtime.RenderCommand, org.apache.tapestry5.ioc.util.TimeInterval --> Long, org.apache.tapestry5.runtime.ComponentResourcesAware --> org.apache.tapestry5.ComponentResources, short[] --> java.util.List. -- View this message in context: http://tapestry-users.832.n2.nabble.com/If-test-doesn-t-like-testing-a-java-lang-Object-for-not-null-tp5477845p5477845.html Sent from the Tapestry Users mailing list archive at Nabble.com. --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tapestry.apache.org For additional commands, e-mail: users-h...@tapestry.apache.org
