[CAMEL-8748] DozerBeanMapper cannot instantiate DozerThreadContextClassLoader

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 2.15.3
• Fix Version/s: 2.16.0, 2.15.4
• Component/s: camel-dozer
• Estimated Complexity: Unknown
• Assignee: Claus Ibsen
• Reporter: Thomas Diesler
• Created: 06/May/15 13:50
• Updated: 28/Jan/16 10:17
• Resolved: 11/Sep/15 07:31

Description

15:26:16,518 SEVERE [org.jboss.arquillian.protocol.jmx.JMXTestRunner] (pool-2-thread-1) Failed: org.wildfly.camel.test.csv.CSVIntegrationTest.testMarshal: org.dozer.MappingException: java.lang.InstantiationException: org.apache.camel.converter.dozer.DozerThreadContextClassLoader
	at org.dozer.util.MappingUtils.throwMappingException(MappingUtils.java:82) [dozer-5.5.1.jar:]
	at org.dozer.util.ReflectionUtils.newInstance(ReflectionUtils.java:366) [dozer-5.5.1.jar:]
	at org.dozer.DozerInitializer.registerClassLoader(DozerInitializer.java:118) [dozer-5.5.1.jar:]
	at org.dozer.DozerInitializer.initialize(DozerInitializer.java:98) [dozer-5.5.1.jar:]
	at org.dozer.DozerInitializer.init(DozerInitializer.java:79) [dozer-5.5.1.jar:]
	at org.dozer.DozerInitializer.init(DozerInitializer.java:64) [dozer-5.5.1.jar:]
	at org.dozer.DozerBeanMapper.init(DozerBeanMapper.java:173) [dozer-5.5.1.jar:]
	at org.dozer.DozerBeanMapper.<init>(DozerBeanMapper.java:99) [dozer-5.5.1.jar:]
	at org.apache.camel.converter.dozer.DozerTypeConverterLoader.createDozerBeanMapper(DozerTypeConverterLoader.java:232) [camel-dozer-2.16-SNAPSHOT.jar:2.16-SNAPSHOT]
	at org.apache.camel.converter.dozer.DozerTypeConverterLoader.<init>(DozerTypeConverterLoader.java:118) [camel-dozer-2.16-SNAPSHOT.jar:2.16-SNAPSHOT]
	at org.wildfly.camel.test.csv.CSVIntegrationTest.testMarshal(CSVIntegrationTest.java:68) [csv-dataformat-tests:]
...
Caused by: java.lang.InstantiationException: org.apache.camel.converter.dozer.DozerThreadContextClassLoader
	at java.lang.Class.newInstance(Class.java:423) [rt.jar:1.8.0_31]
	at org.dozer.util.ReflectionUtils.newInstance(ReflectionUtils.java:364) [dozer-5.5.1.jar:]
	... 150 more
Caused by: java.lang.NoSuchMethodException: org.apache.camel.converter.dozer.DozerThreadContextClassLoader.<init>()
	at java.lang.Class.getConstructor0(Class.java:3074) [rt.jar:1.8.0_31]
	at java.lang.Class.newInstance(Class.java:408) [rt.jar:1.8.0_31]
	... 151 more

The org.dozer.DozerInitializer does

  private void registerClassLoader(GlobalSettings globalSettings, ClassLoader classLoader, BeanContainer beanContainer) {
    String classLoaderName = globalSettings.getClassLoaderName();
    if (!DozerConstants.DEFAULT_CLASS_LOADER_BEAN.equals(classLoaderName)) {
      DefaultClassLoader defaultClassLoader = new DefaultClassLoader(classLoader);
      Class<? extends DozerClassLoader> classLoaderType = loadBeanType(classLoaderName, defaultClassLoader, DozerClassLoader.class);
      DozerClassLoader classLoaderBean = ReflectionUtils.newInstance(classLoaderType);
      beanContainer.setClassLoader(classLoaderBean);
    }
  }

Issue Links

• is related to: CAMEL-8689 camel-dozer: Multiple contexts / bundles - Does not use the correct classloader
• relates to: CAMEL-9545 Dozer classloading may fail with spring based context