Albi ho created WW-4548:
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Summary: Struts2-CDI-plugin is not able to get a reference of
BeanManager through lookup
Key: WW-4548
URL: https://issues.apache.org/jira/browse/WW-4548
Project: Struts 2
Issue Type: Bug
Components: Plugin - CDI
Affects Versions: 2.3.24
Environment: Weblogic 12c
Reporter: Albi ho
Fix For: 2.3.x
Hello,
I'm trying to get CDI (WELD) to work on our Java EE application. We use Struts2
as front-end framework with Action classes (as controllers).
We want to be able to use CDI and inject into the Action classes but we have no
success on integrating the cdi-plugin.
On weblogic server startup I get the following error:
16-Sep-2015-09:52:04 [ACTIVE] ExecuteThread: '0' for queue:
'weblogic.kernel.Default (self-tuning)' [ERROR] InterceptorBuilder.Actual
exception
Caught Exception while registering Interceptor class
com.opensymphony.xwork2.interceptor.ExceptionMappingInterceptor - interceptor -
zip:D:/dev/bin/oracle/weblogic/12.1.3.0/user_projects/domains/granite_domain/servers/GraniteServer/tmp/_W
L_user/granite/dajv2g/APP-INF/lib/struts2-core-2.3.24.jar!/struts-default.xml:194:116
at
com.opensymphony.xwork2.factory.DefaultInterceptorFactory.buildInterceptor(DefaultInterceptorFactory.java:64)
at
com.opensymphony.xwork2.ObjectFactory.buildInterceptor(ObjectFactory.java:209)
at
com.opensymphony.xwork2.config.providers.InterceptorBuilder.constructInterceptorReference(InterceptorBuilder.java:70)
at
com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.lookupInterceptorReference(XmlConfigurationProvider.java:1114)
at
com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.loadInterceptorStack(XmlConfigurationProvider.java:932)
Which is caused by:
Caused by: java.lang.NullPointerException
at
org.apache.struts2.cdi.CdiObjectFactory.getInjectionTarget(CdiObjectFactory.java:185)
at
org.apache.struts2.cdi.CdiObjectFactory.buildBean(CdiObjectFactory.java:158)
at
com.opensymphony.xwork2.ObjectFactory.buildBean(ObjectFactory.java:178)
at
com.opensymphony.xwork2.factory.DefaultInterceptorFactory.buildInterceptor(DefaultInterceptorFactory.java:42)
I checked out the source code and I could see that the beanManager instance
variable is NULL. This happens because none of the 3 lookups is able to get a
reference to the BeanManager.
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