> obj being null results in false just fine. But doing "obj = new Object()" > makes it explode
Sounds like a missing coercion, but what's your use case? -- Josh On Aug 30, 2010, at 4:45 AM, LLTYK <ll...@mailinator.com> wrote: > > 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 > --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tapestry.apache.org For additional commands, e-mail: users-h...@tapestry.apache.org
