Hi Thanks for reporting this and providing a test to demonstrate the issue.
I have created a ticket https://issues.apache.org/activemq/browse/CAMEL-2274 And committed a fix in rev: 889160. On Thu, Dec 10, 2009 at 12:32 AM, Ming Fang <[email protected]> wrote: > Sorry I sent the original message from my iPhone, hoping it was a known issue > and a quick workaround. > Below is a small program showing the problem. > Change the camel version in the pom from 2.0.0 to 2.1.0 to see the error. > > RCPTest.java > > package test; > > import org.apache.camel.CamelContext; > import org.apache.camel.builder.RouteBuilder; > import org.apache.camel.component.bean.ProxyHelper; > import org.apache.camel.impl.DefaultCamelContext; > import org.apache.log4j.*; > > public class RPCTest { > > public static void main(String[] args) throws Exception { > Logger.getRootLogger().addAppender(new ConsoleAppender(new > PatternLayout(PatternLayout.DEFAULT_CONVERSION_PATTERN))); > > CamelContext camelContext = new DefaultCamelContext(); > camelContext.addRoutes(new RouteBuilder() { > public void configure() { > from("vm:echo").bean(new Echo() { > public String echo(String text) { > return text; > } > }); > } > }); > camelContext.start(); > > Echo service = > ProxyHelper.createProxy(camelContext.getEndpoint("vm:echo"), Echo.class); > //prints "test" > System.out.println(service.echo("test")); > //prints "null" for Camel 2.0 but error for Camel 2.1 > System.out.println(service.echo(null)); > } > > public static interface Echo{ > String echo(String text); > } > } > > pom.xml > > <project xmlns="http://maven.apache.org/POM/4.0.0"; > xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"; > xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 > http://maven.apache.org/maven-v4_0_0.xsd";> > <modelVersion>4.0.0</modelVersion> > <groupId>test</groupId> > <artifactId>jmsproblem</artifactId> > <version>1.0-SNAPSHOT</version> > > <dependencies> > <dependency> > <groupId>org.apache.camel</groupId> > <artifactId>camel-core</artifactId> > <version>2.1.0</version> > </dependency> > </dependencies> > </project> > > On Dec 7, 2009, at 2:18 PM, Claus Ibsen wrote: > >> Hi >> >> Could you please use more time to report this issue? >> >> Create a JIRA ticket and attach a sample with the problem if possible. >> At least post the stacktrace and you route and remote service >> interfaces and whatnot, so we have something to use to track the >> issue. >> >> >> On Mon, Dec 7, 2009 at 7:52 PM, Ming Fang <[email protected]> wrote: >>> Camel v2.1 no longer allow remote service to return null value. >>> I'm getting a InvalidPayloadException in CamelInvocationHandler.invoke(). >>> >>> This is a bug since it is legal to return null values. >>> >> >> >>> --Ming >>> >> >> >> >> -- >> Claus Ibsen >> Apache Camel Committer >> >> Author of Camel in Action: http://www.manning.com/ibsen/ >> Open Source Integration: http://fusesource.com >> Blog: http://davsclaus.blogspot.com/ >> Twitter: http://twitter.com/davsclaus > > -- Claus Ibsen Apache Camel Committer Author of Camel in Action: http://www.manning.com/ibsen/ Open Source Integration: http://fusesource.com Blog: http://davsclaus.blogspot.com/ Twitter: http://twitter.com/davsclaus
