[CAMEL-12136] camel-saxon - dump namespaces may cause a ClassCastException

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 2.21.0
• Component/s: camel-saxon
• Estimated Complexity: Unknown
• Assignee: Claus Ibsen
• Reporter: Claus Ibsen
• Created: 12/Jan/18 09:49
• Updated: 12/Jan/18 13:47
• Resolved: 12/Jan/18 13:47

Description

Noticed this from the test logs

2018-01-12 10:43:29,972 [main ] INFO XPathLanguageTest - ********************************************************************************
2018-01-12 10:43:29,972 [main ] INFO XPathLanguageTest - Testing: testSpringDSLXPathSaxonFlag(org.apache.camel.language.xpath.XPathLanguageTest)
2018-01-12 10:43:29,972 [main ] INFO XPathLanguageTest - ********************************************************************************
2018-01-12 10:43:30,126 [main ] INFO SpringCamelContext - Apache Camel 2.21.0-SNAPSHOT (CamelContext: camel-7) is starting
2018-01-12 10:43:30,126 [main ] INFO DefaultManagementStrategy - JMX is disabled
2018-01-12 10:43:30,129 [main ] INFO DefaultTypeConverter - Type converters loaded (core: 193, classpath: 5)
2018-01-12 10:43:30,144 [main ] INFO SpringCamelContext - StreamCaching is not in use. If using streams then its recommended to enable stream caching. See more details at http://camel.apache.org/stream-caching.html
2018-01-12 10:43:30,146 [main ] INFO XPathBuilder - Using objectModelUri http://saxon.sf.net/jaxp/xpath/om when created XPathFactory net.sf.saxon.xpath.XPathFactoryImpl@6b63e6ad
2018-01-12 10:43:30,147 [main ] INFO SpringCamelContext - Route: route13 started and consuming from: direct://testSaxonWithFlag
2018-01-12 10:43:30,147 [main ] INFO SpringCamelContext - Route: route14 started and consuming from: direct://testSaxonWithFactory
2018-01-12 10:43:30,147 [main ] INFO SpringCamelContext - Route: route15 started and consuming from: direct://testSaxonWithFlagPredicate
2018-01-12 10:43:30,147 [main ] INFO SpringCamelContext - Route: route16 started and consuming from: direct://testSaxonWithFactoryPredicate
2018-01-12 10:43:30,148 [main ] INFO SpringCamelContext - Total 4 routes, of which 4 are started
2018-01-12 10:43:30,148 [main ] INFO SpringCamelContext - Apache Camel 2.21.0-SNAPSHOT (CamelContext: camel-7) started in 0.022 seconds
2018-01-12 10:43:30,149 [main ] INFO XPathBuilder - Using objectModelUri http://saxon.sf.net/jaxp/xpath/om when created XPathFactory net.sf.saxon.xpath.XPathFactoryImpl@17410c07
2018-01-12 10:43:30,149 [main ] INFO XPathBuilder - Creating new XPath expression in pool. Namespaces on XPath expression: [me:

{system -> http://camel.apache.org/xml/variables/system-properties}

,

{in -> http://camel.apache.org/xml/in/}

,

{function -> http://camel.apache.org/xml/function/}

,

{env -> http://camel.apache.org/xml/variables/environment-variables}

,

{out -> http://camel.apache.org/xml/out/}

,

{xsi -> http://www.w3.org/2001/XMLSchema-instance}

], [parent: net.sf.saxon.xpath.JAXPXPathStaticContext$MinimalNamespaceContext@6ee99964]
2018-01-12 10:43:30,156 [main ] WARN XPathBuilder - Unable to trace discovered namespaces in XPath expression
java.lang.ClassCastException: java.util.ArrayList cannot be cast to org.w3c.dom.NodeList
at org.apache.camel.builder.xml.XPathBuilder.logNamespaces(XPathBuilder.java:885) [camel-core-2.21.0-SNAPSHOT.jar:2.21.0-SNAPSHOT]
at org.apache.camel.builder.xml.XPathBuilder.evaluateAs(XPathBuilder.java:847) [camel-core-2.21.0-SNAPSHOT.jar:2.21.0-SNAPSHOT]
at org.apache.camel.builder.xml.XPathBuilder.evaluate(XPathBuilder.java:819) [camel-core-2.21.0-SNAPSHOT.jar:2.21.0-SNAPSHOT]
at org.apache.camel.builder.xml.XPathBuilder.evaluate(XPathBuilder.java:181) [camel-core-2.21.0-SNAPSHOT.jar:2.21.0-SNAPSHOT]
at org.apache.camel.processor.SetBodyProcessor.process(SetBodyProcessor.java:49) [camel-core-2.21.0-SNAPSHOT.jar:2.21.0-SNAPSHOT]
at org.apache.camel.processor.RedeliveryErrorHandler.process(RedeliveryErrorHandler.java:548) [camel-core-2.21.0-SNAPSHOT.jar:2.21.0-SNAPSHOT]
at org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:201) [camel-core-2.21.0-SNAPSHOT.jar:2.21.0-SNAPSHOT]
at org.apache.camel.processor.Pipeline.process(Pipeline.java:138) [camel-core-2.21.0-SNAPSHOT.jar:2.21.0-SNAPSHOT]
at org.apache.camel.processor.Pipeline.process(Pipeline.java:101) [camel-core-2.21.0-SNAPSHOT.jar:2.21.0-SNAPSHOT]
at org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:201) [camel-core-2.21.0-SNAPSHOT.jar:2.21.0-SNAPSHOT]
at org.apache.camel.component.direct.DirectBlockingProducer.process(DirectBlockingProducer.java:53) [camel-core-2.21.0-SNAPSHOT.jar:2.21.0-SNAPSHOT]