Maarten Tutak created CAMEL-14853:
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Summary: camel-jacksonxml classpath conflict
Key: CAMEL-14853
URL: https://issues.apache.org/jira/browse/CAMEL-14853
Project: Camel
Issue Type: Bug
Components: camel-jacksonxml
Affects Versions: 3.1.0
Reporter: Maarten Tutak
Hi. I'm using Spring Boot (2.2.4.RELEASE) with Camel (3.1.0) and I've come
across the following error. I should note that i'm having a hard time
reproducing this issue.
{noformat}
***************************
APPLICATION FAILED TO START
***************************
Description:
An attempt was made to call a method that does not exist. The attempt was made
from the following location:
com.ctc.wstx.evt.CompactStartElement.getAttributes(CompactStartElement.java:94)
The following method did not exist:
'org.codehaus.stax2.ri.EmptyIterator
org.codehaus.stax2.ri.EmptyIterator.getInstance()'
The method's class, org.codehaus.stax2.ri.EmptyIterator, is available from the
following locations:
jar:file:/app/libs/stax2-api-4.2.jar!/org/codehaus/stax2/ri/EmptyIterator.class
It was loaded from the following location:
file:/app/libs/stax2-api-4.2.jar
Action:
Correct the classpath of your application so that it contains a single,
compatible version of org.codehaus.stax2.ri.EmptyIterator
{noformat}
I was wondering if this is related to the fact that
[camel-jacksonxml|https://github.com/apache/camel/blob/camel-3.1.0/components/camel-jacksonxml/pom.xml]
introduces both _*org.codehaus.woodstox:woodstox-core-asl:jar:4.4.1*_ and
_*com.fasterxml.woodstox:woodstox-core:jar:6.0.3*_ on the classpath , as seen
below.
{noformat}
INFO] +- org.apache.camel.springboot:camel-jacksonxml-starter:jar:3.1.0:compile
[INFO] | \- org.apache.camel:camel-jacksonxml:jar:3.1.0:compile
[INFO] | +- org.apache.camel:camel-support:jar:3.1.0:compile
[INFO] | +-
com.fasterxml.jackson.dataformat:jackson-dataformat-xml:jar:2.10.2:compile
[INFO] | | +- org.codehaus.woodstox:stax2-api:jar:4.2:compile
[INFO] | | \- com.fasterxml.woodstox:woodstox-core:jar:6.0.3:compile
[INFO] | +-
com.fasterxml.jackson.module:jackson-module-jaxb-annotations:jar:2.10.2:compile
[INFO] | \- org.codehaus.woodstox:woodstox-core-asl:jar:4.4.1:compile
{noformat}
It's unclear to me why camel-jacksonxml has a dependency on woodstox-core-asl
while woodstox-core is already available, albeit transitively.
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