yes you are! it's explicitly provided for in the apache license. On Oct 1, 2012, at 7:20 PM, Nathan Bubna <nbu...@gmail.com> wrote:
> That looks like a great improvement! We aren't generally supposed to > accept patches from email attachments (licensing or some such). Can > you create an issue in JIRA for this enhancement and post the diff > there? http://issues.apache.org > > On Mon, Oct 1, 2012 at 12:42 PM, Luke Perkins <lperk...@tripadvisor.com> > wrote: >> Hey guys I made a patch to Velocity 1.7 to enable you to print out velocity >> stack traces. If you dump a stack trace in a Java function that was called >> from a velocity file, you usually see a bunch of calls to velocity parser >> functions like this in the Java stack trace: >> >> ... >> at >> org.apache.velocity.runtime.parser.node.ASTIdentifier.execute(ASTIdentifier.java:209) >> at >> org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:280) >> at >> org.apache.velocity.runtime.parser.node.ASTReference.evaluate(ASTReference.java:530) >> at >> org.apache.velocity.runtime.parser.node.ASTExpression.evaluate(ASTExpression.java:62) >> at >> org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:85) >> at >> org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72) >> at >> org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:87) >> at >> org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72) >> at >> org.apache.velocity.runtime.directive.VelocimacroProxy.render(VelocimacroProxy.java:216) >> at >> org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:312) >> at >> org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:230) >> at >> org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:207) >> at >> org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:342) >> at >> org.apache.velocity.runtime.parser.node.ASTStringLiteral.value(ASTStringLiteral.java:330) >> ... >> >> The velocity stack trace created by this patches is much more informative: >> >> Velocity Stack Trace: Invocation of method 'getAvatarUrl' in class Member >> at avatarUrl called at common/Macros.vm[line 426, column 29] >> at simpleAvatarUrl called at common/Macros.vm[line 487, column 22] >> at drawSimpleImage called at common/Macros.vm[line 487, column 3] >> at simpleMemberAvatar called at site/photo_pane.vm[line 153, column >> 32] >> at displayAvatarImage called at site/photo_pane.vm[line 162, column 3] >> >> This sort of stack trace is very useful when debugging code and trying to >> figure out which sequence of macros called into the currently executing Java >> code that dumped out the Java stack trace. Please consider adding something >> like this to a future release of Velocity - it would be very useful! >> >> Thanks, >> Luke >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: dev-unsubscr...@velocity.apache.org >> For additional commands, e-mail: dev-h...@velocity.apache.org > > --------------------------------------------------------------------- > To unsubscribe, e-mail: dev-unsubscr...@velocity.apache.org > For additional commands, e-mail: dev-h...@velocity.apache.org > --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@velocity.apache.org For additional commands, e-mail: dev-h...@velocity.apache.org