[
https://issues.apache.org/jira/browse/WW-4902?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16292867#comment-16292867
]
George Felix Barbosa commented on WW-4902:
------------------------------------------
Wow.... that's true. I haven't noticed it before but I still don't know how to
work around it.
{code:java}
Bean type class com.opensymphony.xwork2.ObjectFactory with the name spring has
already been loaded by bean -
jar:file:/C:/target/spring-boot-struts2-0.0.1-SNAPSHOT.war!/WEB-INF/lib/struts2-spring-plugin-2.3.34.jar!/struts-plugin.xml:29:132
- bean -
jar:war:file:/C:/target/spring-boot-struts2-0.0.1-SNAPSHOT.war*/WEB-INF/lib/struts2-spring-plugin-2.3.34.jar!/struts-plugin.xml:29:132
{code}
> Struts 2 fails to init Dispatcher - Tomcat Embedded
> ---------------------------------------------------
>
> Key: WW-4902
> URL: https://issues.apache.org/jira/browse/WW-4902
> Project: Struts 2
> Issue Type: Bug
> Components: Core
> Affects Versions: 2.3.34
> Reporter: George Felix Barbosa
> Fix For: 2.6
>
>
> I'm migrating a webapp from Jboss 7.1.1 to tomcat embedded 8.5.14. It works
> fine while I run it on Intellij but when I try to create an executable war
> file Struts fails to start.
> I have been using struts2-core:2.3.34, xwork-core:2.3.34 and
> struts2-spring-plugin:2.3.34.
> Tomcat embedded starts normal and everything looks good but when I call a
> page, struts try to start the dispatcher and it fails. I've created a small
> project to reproduce that error and it can found
> [https://github.com/GeorgeBarbosa/spring-boot-struts2].
> In addiction, there are no duplicate jars in my classpath.
> Please, is it a error in Struts or something else? What should I do to get
> struts2 working in tomcat embedded?
> Error:
> {noformat}
> 2017-12-06 14:48:05.688 INFO 11440 --- [nio-8080-exec-1]
> c.o.x.c.p.XmlConfigurationProvider : Parsing configuration file
> [struts-default.xml]
> 2017-12-06 14:48:05.861 ERROR 11440 --- [nio-8080-exec-1]
> o.apache.struts2.dispatcher.Dispatcher : Dispatcher initialization failed
> com.opensymphony.xwork2.config.ConfigurationException: Unable to load
> configuration.
> at
> com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:70)
> ~[xwork-core-2.3.34.jar!/:2.3.34]
> at
> org.apache.struts2.dispatcher.Dispatcher.getContainer(Dispatcher.java:978)
> ~[struts2-core-2.3.34.jar!/:2.3.34]
> at
> org.apache.struts2.dispatcher.Dispatcher.init_PreloadConfiguration(Dispatcher.java:446)
> ~[struts2-core-2.3.34.jar!/:2.3.34]
> at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:490)
> ~[struts2-core-2.3.34.jar!/:2.3.34]
> at
> org.apache.struts2.dispatcher.ng.InitOperations.initDispatcher(InitOperations.java:74)
> [struts2-core-2.3.34.jar!/:2.3.34]
> at
> org.apache.struts2.dispatcher.ng.servlet.StrutsServlet.init(StrutsServlet.java:54)
> [struts2-core-2.3.34.jar!/:2.3.34]
> at
> org.apache.catalina.core.StandardWrapper.initServlet(StandardWrapper.java:1183)
> [tomcat-embed-core-8.5.14.jar!/:8.5.14]
> at
> org.apache.catalina.core.StandardWrapper.allocate(StandardWrapper.java:795)
> [tomcat-embed-core-8.5.14.jar!/:8.5.14]
> at
> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:133)
> [tomcat-embed-core-8.5.14.jar!/:8.5.14]
> at
> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
> [tomcat-embed-core-8.5.14.jar!/:8.5.14]
> at
> org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:478)
> [tomcat-embed-core-8.5.14.jar!/:8.5.14]
> at
> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140)
> [tomcat-embed-core-8.5.14.jar!/:8.5.14]
> at
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:80)
> [tomcat-embed-core-8.5.14.jar!/:8.5.14]
> at
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)
> [tomcat-embed-core-8.5.14.jar!/:8.5.14]
> at
> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342)
> [tomcat-embed-core-8.5.14.jar!/:8.5.14]
> at
> org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:799)
> [tomcat-embed-core-8.5.14.jar!/:8.5.14]
> at
> org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
> [tomcat-embed-core-8.5.14.jar!/:8.5.14]
> at
> org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:861)
> [tomcat-embed-core-8.5.14.jar!/:8.5.14]
> at
> org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1455)
> [tomcat-embed-core-8.5.14.jar!/:8.5.14]
> at
> org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
> [tomcat-embed-core-8.5.14.jar!/:8.5.14]
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> [na:1.8.0_131]
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> [na:1.8.0_131]
> at
> org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
> [tomcat-embed-core-8.5.14.jar!/:8.5.14]
> at java.lang.Thread.run(Thread.java:748) [na:1.8.0_131]
> Caused by: com.opensymphony.xwork2.config.ConfigurationException: Unable to
> load bean: type: class:com.opensymphony.xwork2.ObjectFactory
> at
> com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.register(XmlConfigurationProvider.java:247)
> ~[xwork-core-2.3.34.jar!/:2.3.34]
> at
> org.apache.struts2.config.StrutsXmlConfigurationProvider.register(StrutsXmlConfigurationProvider.java:102)
> ~[struts2-core-2.3.34.jar!/:2.3.34]
> at
> com.opensymphony.xwork2.config.impl.DefaultConfiguration.reloadContainer(DefaultConfiguration.java:240)
> ~[xwork-core-2.3.34.jar!/:2.3.34]
> at
> com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:67)
> ~[xwork-core-2.3.34.jar!/:2.3.34]
> ... 23 common frames omitted
> Caused by: com.opensymphony.xwork2.config.ConfigurationException: Bean type
> class com.opensymphony.xwork2.ObjectFactory with the name struts has already
> been loaded by bean -
> jar:file:/C:/workspaces/workspace/pessoal/spring-boot-struts2/target/spring-boot-struts2-0.0.1-SNAPSHOT.war!/WEB-INF/lib/struts2-core-2.3.34.jar!/struts-default.xml:65:72
> at
> com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.register(XmlConfigurationProvider.java:231)
> ~[xwork-core-2.3.34.jar!/:2.3.34]
> ... 26 common frames omitted
> 2017-12-06 14:48:05.873 ERROR 11440 --- [nio-8080-exec-1]
> o.a.c.c.C.[Tomcat].[localhost].[/] : StandardWrapper.Throwable
> org.apache.struts2.StrutsException: null
> at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:504)
> ~[struts2-core-2.3.34.jar!/:2.3.34]
> at
> org.apache.struts2.dispatcher.ng.InitOperations.initDispatcher(InitOperations.java:74)
> ~[struts2-core-2.3.34.jar!/:2.3.34]
> at
> org.apache.struts2.dispatcher.ng.servlet.StrutsServlet.init(StrutsServlet.java:54)
> ~[struts2-core-2.3.34.jar!/:2.3.34]
> at
> org.apache.catalina.core.StandardWrapper.initServlet(StandardWrapper.java:1183)
> [tomcat-embed-core-8.5.14.jar!/:8.5.14]
> at
> org.apache.catalina.core.StandardWrapper.allocate(StandardWrapper.java:795)
> [tomcat-embed-core-8.5.14.jar!/:8.5.14]
> at
> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:133)
> [tomcat-embed-core-8.5.14.jar!/:8.5.14]
> at
> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
> [tomcat-embed-core-8.5.14.jar!/:8.5.14]
> at
> org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:478)
> [tomcat-embed-core-8.5.14.jar!/:8.5.14]
> at
> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140)
> [tomcat-embed-core-8.5.14.jar!/:8.5.14]
> at
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:80)
> [tomcat-embed-core-8.5.14.jar!/:8.5.14]
> at
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)
> [tomcat-embed-core-8.5.14.jar!/:8.5.14]
> at
> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342)
> [tomcat-embed-core-8.5.14.jar!/:8.5.14]
> at
> org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:799)
> [tomcat-embed-core-8.5.14.jar!/:8.5.14]
> at
> org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
> [tomcat-embed-core-8.5.14.jar!/:8.5.14]
> at
> org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:861)
> [tomcat-embed-core-8.5.14.jar!/:8.5.14]
> at
> org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1455)
> [tomcat-embed-core-8.5.14.jar!/:8.5.14]
> at
> org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
> [tomcat-embed-core-8.5.14.jar!/:8.5.14]
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> [na:1.8.0_131]
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> [na:1.8.0_131]
> at
> org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
> [tomcat-embed-core-8.5.14.jar!/:8.5.14]
> at java.lang.Thread.run(Thread.java:748) [na:1.8.0_131]
> Caused by: com.opensymphony.xwork2.config.ConfigurationException: Unable to
> load configuration.
> at
> com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:70)
> ~[xwork-core-2.3.34.jar!/:2.3.34]
> at
> org.apache.struts2.dispatcher.Dispatcher.getContainer(Dispatcher.java:978)
> ~[struts2-core-2.3.34.jar!/:2.3.34]
> at
> org.apache.struts2.dispatcher.Dispatcher.init_PreloadConfiguration(Dispatcher.java:446)
> ~[struts2-core-2.3.34.jar!/:2.3.34]
> at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:490)
> ~[struts2-core-2.3.34.jar!/:2.3.34]
> ... 20 common frames omitted
> Caused by: com.opensymphony.xwork2.config.ConfigurationException: Unable to
> load bean: type: class:com.opensymphony.xwork2.ObjectFactory
> at
> com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.register(XmlConfigurationProvider.java:247)
> ~[xwork-core-2.3.34.jar!/:2.3.34]
> at
> org.apache.struts2.config.StrutsXmlConfigurationProvider.register(StrutsXmlConfigurationProvider.java:102)
> ~[struts2-core-2.3.34.jar!/:2.3.34]
> at
> com.opensymphony.xwork2.config.impl.DefaultConfiguration.reloadContainer(DefaultConfiguration.java:240)
> ~[xwork-core-2.3.34.jar!/:2.3.34]
> at
> com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:67)
> ~[xwork-core-2.3.34.jar!/:2.3.34]
> ... 23 common frames omitted
> Caused by: com.opensymphony.xwork2.config.ConfigurationException: Bean type
> class com.opensymphony.xwork2.ObjectFactory with the name struts has already
> been loaded by bean -
> jar:file:/C:/workspaces/workspace/pessoal/spring-boot-struts2/target/spring-boot-struts2-0.0.1-SNAPSHOT.war!/WEB-INF/lib/struts2-core-2.3.34.jar!/struts-default.xml:65:72
> at
> com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.register(XmlConfigurationProvider.java:231)
> ~[xwork-core-2.3.34.jar!/:2.3.34]
> ... 26 common frames omitted
> 2017-12-06 14:48:05.876 ERROR 11440 --- [nio-8080-exec-1]
> .a.c.c.C.[.[.[.[.g.s.c.SBSStrutsServlet] : Allocate exception for servlet
> com.gbarbosa.sbs.config.SBSStrutsServlet
> com.opensymphony.xwork2.config.ConfigurationException: Bean type class
> com.opensymphony.xwork2.ObjectFactory with the name struts has already been
> loaded by bean -
> jar:file:/C:/workspaces/workspace/pessoal/spring-boot-struts2/target/spring-boot-struts2-0.0.1-SNAPSHOT.war!/WEB-INF/lib/struts2-core-2.3.34.jar!/struts-default.xml:65:72
> at
> com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.register(XmlConfigurationProvider.java:231)
> ~[xwork-core-2.3.34.jar!/:2.3.34]
> at
> org.apache.struts2.config.StrutsXmlConfigurationProvider.register(StrutsXmlConfigurationProvider.java:102)
> ~[struts2-core-2.3.34.jar!/:2.3.34]
> at
> com.opensymphony.xwork2.config.impl.DefaultConfiguration.reloadContainer(DefaultConfiguration.java:240)
> ~[xwork-core-2.3.34.jar!/:2.3.34]
> at
> com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:67)
> ~[xwork-core-2.3.34.jar!/:2.3.34]
> at
> org.apache.struts2.dispatcher.Dispatcher.getContainer(Dispatcher.java:978)
> ~[struts2-core-2.3.34.jar!/:2.3.34]
> at
> org.apache.struts2.dispatcher.Dispatcher.init_PreloadConfiguration(Dispatcher.java:446)
> ~[struts2-core-2.3.34.jar!/:2.3.34]
> at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:490)
> ~[struts2-core-2.3.34.jar!/:2.3.34]
> at
> org.apache.struts2.dispatcher.ng.InitOperations.initDispatcher(InitOperations.java:74)
> ~[struts2-core-2.3.34.jar!/:2.3.34]
> at
> org.apache.struts2.dispatcher.ng.servlet.StrutsServlet.init(StrutsServlet.java:54)
> ~[struts2-core-2.3.34.jar!/:2.3.34]
> at
> org.apache.catalina.core.StandardWrapper.initServlet(StandardWrapper.java:1183)
> ~[tomcat-embed-core-8.5.14.jar!/:8.5.14]
> at
> org.apache.catalina.core.StandardWrapper.allocate(StandardWrapper.java:795)
> ~[tomcat-embed-core-8.5.14.jar!/:8.5.14]
> at
> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:133)
> ~[tomcat-embed-core-8.5.14.jar!/:8.5.14]
> at
> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
> [tomcat-embed-core-8.5.14.jar!/:8.5.14]
> at
> org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:478)
> [tomcat-embed-core-8.5.14.jar!/:8.5.14]
> at
> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140)
> [tomcat-embed-core-8.5.14.jar!/:8.5.14]
> at
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:80)
> [tomcat-embed-core-8.5.14.jar!/:8.5.14]
> at
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)
> [tomcat-embed-core-8.5.14.jar!/:8.5.14]
> at
> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342)
> [tomcat-embed-core-8.5.14.jar!/:8.5.14]
> at
> org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:799)
> [tomcat-embed-core-8.5.14.jar!/:8.5.14]
> at
> org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
> [tomcat-embed-core-8.5.14.jar!/:8.5.14]
> at
> org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:861)
> [tomcat-embed-core-8.5.14.jar!/:8.5.14]
> at
> org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1455)
> [tomcat-embed-core-8.5.14.jar!/:8.5.14]
> at
> org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
> [tomcat-embed-core-8.5.14.jar!/:8.5.14]
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> [na:1.8.0_131]
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> [na:1.8.0_131]
> at
> org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
> [tomcat-embed-core-8.5.14.jar!/:8.5.14]
> {noformat}
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