Hi,
I'm trying to use a camel-flatpack endpoint inside a Fuse SMX container
(apache-servicemix-4.3.0-fuse-03-00). When triggered, the route fails with a
NullPointerException:
>>
15:58:43,328 | ERROR | - vm://flatpack | DefaultErrorHandler |
rg.apache.camel.processor.Logger 248 | 72 - org.apache.camel.camel-core -
2.4.0.fuse-02-00 | Failed delivery for exchangeId:
6b384114-ab78-4740-b0c2-b96a3254404f. Exhausted after delivery attempt: 1
caught: java.lang.NullPointerException
java.lang.NullPointerException
at
net.sf.flatpack.util.ParserUtils.loadConvertProperties(ParserUtils.java:1003)[200:org.apache.servicemix.bundles.flatpack:3.1.1.3]
at
net.sf.flatpack.AbstractDelimiterParser.doDelimitedFile(AbstractDelimiterParser.java:130)[200:org.apache.servicemix.bundles.flatpack:3.1.1.3]
at
net.sf.flatpack.AbstractDelimiterParser.doParse(AbstractDelimiterParser.java:78)[200:org.apache.servicemix.bundles.flatpack:3.1.1.3]
at
net.sf.flatpack.AbstractParser.parse(AbstractParser.java:113)[200:org.apache.servicemix.bundles.flatpack:3.1.1.3]
at
org.apache.camel.component.flatpack.FlatpackProducer.process(FlatpackProducer.java:37)[201:org.apache.camel.camel-flatpack:2.4.0.fuse-02-00]
at
org.apache.camel.impl.converter.AsyncProcessorTypeConverter$ProcessorToAsyncProcessorBridge.process(AsyncProcessorTypeConverter.java:50)[72:org.apache.camel.camel-core:2.4.0.fuse-02-00]
...
<<
Cross-checking against the source files, it seems that the error occurs when
Flatpack is trying to load a property file from the class path:
>>
public static Properties loadConvertProperties() throws IOException {
final Properties pzConvertProps = new Properties();
final URL url =
ParserUtils.class.getClassLoader().getResource("fpconvert.properties");
pzConvertProps.load(url.openStream());
return pzConvertProps;
}
<<
A remote debug confirmed that url is null, which leads to the NPE when
loading the props.
The properties file is contained in the flatpack 3.1.1 JAR file. I also
created a file of the same name and content in my bundle. Still, the error
remains.
I'm relatively new to OSGi, but my suspicion is that the call to..
>>
ParserUtils.class.getClassLoader().getResource("fpconvert.properties");
<<
... doesn't behave as in other environments, and that the error comes from
OSGi class loading.
Can any of you guys confirm this observation?
Is there a way to work around this issue?
Thanks,
Ciao, Philipp
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