NPE from came:run with below route codes
----------------------------------------
Key: CAMEL-550
URL: https://issues.apache.org/activemq/browse/CAMEL-550
Project: Apache Camel
Issue Type: Bug
Components: camel-core, camel-spring
Affects Versions: 1.3.0, 1.2.0
Reporter: Willem Jiang
Assignee: Willem Jiang
Fix For: 1.4.0
With the following route:
{noformat}
from("timer://tutorial?fixedRate=true&period=10")
.setBody(
constant("<?xml
version='1.0' encoding='UTF-8'?><greetMe>Hello World</greetMe>"))
.setHeader("CBR1",
constant("No")).choice().when(
header("CBR1").isEqualTo("Yes")).setHeader(
"CreditcardValidation", constant("Yes")).to(
"log:CBRBean?level=INFO").to("log:XSLT for provider1?level=INFO")
.when(header("CBR1").isEqualTo("No")).setHeader(
"CreditcardValidation", constant("No")).to(
"log:XSLT for
provider2?level=INFO").end().choice()
.when(header("CreditcardValidation").isEqualTo("Yes"))
.to("log:CCVBean?level=INFO").to("log:XSLT for consumer1?level=INFO").when(
header("CreditcardValidation").isEqualTo("No"))
.to("log:XSLT for
consumer2?level=INFO").otherwise()
.to("log:test?level=INFO").end();
{noformat}
running mvn camel:run
I get the following stack trace:
{noformat}
java.lang.NullPointerException
at org.apache.camel.view.NodeData.<init>(NodeData.java:136)
at
org.apache.camel.view.GraphGeneratorSupport.getNodeData(GraphGeneratorSupport.java:142)
at
org.apache.camel.view.RouteDotGenerator.printNode(RouteDotGenerator.java:101)
at
org.apache.camel.view.RouteDotGenerator.printNode(RouteDotGenerator.java:123)
at
org.apache.camel.view.RouteDotGenerator.printRoute(RouteDotGenerator.java:87)
at
org.apache.camel.view.RouteDotGenerator.printRoutes(RouteDotGenerator.java:64)
at
org.apache.camel.view.RouteDotGenerator.printRoutes(RouteDotGenerator.java:48)
at
org.apache.camel.view.RouteDotGenerator.generateFile(RouteDotGenerator.java:169)
at
org.apache.camel.view.GraphGeneratorSupport.generateFile(GraphGeneratorSupport.java:103)
at
org.apache.camel.view.GraphGeneratorSupport.drawRoutes(GraphGeneratorSupport.java:81)
at org.apache.camel.spring.Main.generateDot(Main.java:392)
at org.apache.camel.spring.Main.postProcessContext(Main.java:374)
at org.apache.camel.spring.Main.doStart(Main.java:333)
at org.apache.camel.impl.ServiceSupport.start(ServiceSupport.java:47)
at org.apache.camel.spring.Main.run(Main.java:123)
at org.apache.camel.spring.Main.run(Main.java:114)
at org.apache.camel.spring.Main.main(Main.java:106)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at org.apache.camel.maven.RunMojo$1.run(RunMojo.java:333)
at java.lang.Thread.run(Thread.java:613)
{noformat}
the error seems related to the maven camel plugin failing generating the dot
file for the route.
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