2014-11-06 18:00 GMT+01:00 Lukasz Lenart <[email protected]>: > 2014-11-06 17:02 GMT+01:00 Volker Krebs <[email protected]>: >> I still have an odd behavior and can't figure out what has changed from >> 2.3.16.3 to 2.3.18 >> We have an Action with an service interface as class member. >> Something like this pseudo Action: >> >> public class EditAction extends ActionSupport implements Preparable { >> >> protected MyService myService; >> >> public void prepare() throws Exception { >> myService = new MyServiceImpl(); >> } >> >> public String execute() throws Exception { >> myService.doSomething(); >> } >> } >> >> In 2.3.16.3 this works fine. >> In 2.3.18 I get the following exception. >> As you can see from the stack trace we're using spring integration plugin. >> >> >> 2014-11-06 03:14:05,040 ERROR [http-bio-60123-exec-5] >> com.opensymphony.xwork2.conversion.impl.InstantiatingNullHandler - Could not >> create and/or set value back on to object >> org.springframework.beans.factory.BeanCreationException: Error creating bean >> with name 'com.mycompany.interfaces.MyService': Could not resolve matching >> constructor >> at >> org.springframework.beans.factory.support.ConstructorResolver.autowireConstructor(ConstructorResolver.java:238) >> at >> org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireConstructor(AbstractAutowireCapableBeanFactory.java:925) >> at >> org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowire(AbstractAutowireCapableBeanFactory.java:308) >> at >> com.opensymphony.xwork2.spring.SpringObjectFactory.buildBean(SpringObjectFactory.java:194) >> at >> com.opensymphony.xwork2.conversion.impl.InstantiatingNullHandler.createObject(InstantiatingNullHandler.java:163) >> at >> com.opensymphony.xwork2.conversion.impl.InstantiatingNullHandler.nullPropertyValue(InstantiatingNullHandler.java:137) >> at >> com.opensymphony.xwork2.ognl.OgnlNullHandlerWrapper.nullPropertyValue(OgnlNullHandlerWrapper.java:21) >> at ognl.ASTProperty.getValueBody(ASTProperty.java:118) >> at ognl.SimpleNode.evaluateGetValueBody(SimpleNode.java:212) >> at ognl.SimpleNode.getValue(SimpleNode.java:258) >> at ognl.ASTChain.setValueBody(ASTChain.java:222) >> at ognl.SimpleNode.evaluateSetValueBody(SimpleNode.java:220) >> at ognl.SimpleNode.setValue(SimpleNode.java:301) >> at ognl.Ognl.setValue(Ognl.java:737) >> at >> com.opensymphony.xwork2.ognl.OgnlUtil$1.execute(OgnlUtil.java:287) >> at >> com.opensymphony.xwork2.ognl.OgnlUtil$1.execute(OgnlUtil.java:282) >> at >> com.opensymphony.xwork2.ognl.OgnlUtil.compileAndExecute(OgnlUtil.java:340) >> at com.opensymphony.xwork2.ognl.OgnlUtil.setValue(OgnlUtil.java:282) >> at >> com.opensymphony.xwork2.ognl.OgnlValueStack.trySetValue(OgnlValueStack.java:185) >> at >> com.opensymphony.xwork2.ognl.OgnlValueStack.setValue(OgnlValueStack.java:172) >> at >> com.opensymphony.xwork2.ognl.OgnlValueStack.setParameter(OgnlValueStack.java:150) >> at >> com.opensymphony.xwork2.interceptor.ParametersInterceptor.setParameters(ParametersInterceptor.java:309) >> at >> com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:227) >> at >> com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98) >> at >> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:244) >> at >> org.apache.struts2.impl.StrutsActionProxy.execute(StrutsActionProxy.java:54) >> at >> org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:564) >> at >> org.apache.struts2.dispatcher.ng.ExecuteOperations.executeAction(ExecuteOperations.java:81) >> at >> org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:99) >> at >> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241) >> at >> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) >> >> >> Any Ideas ? > > Nope :( I was digging around but I don't see anything special. Can you > prepare a demo app or post more data?
Just note that the exception is logged in InstantiatingNullHandler when it tries to create an object which is null and on which you want set a value Regards -- Łukasz + 48 606 323 122 http://www.lenart.org.pl/ --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
