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https://issues.apache.org/struts/browse/WW-2228?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_42345
]
Don Brown commented on WW-2228:
-------------------------------
What I mean is that, in that configuration, Struts is loading a class it
usually doesn't. The ContainerImpl class loads classes for the container but
it should be lazy loading the VelocityEngine so that it isn't required.
ContainerImpl doesn't have any references to classes outside its package.
> java.lang.NoClassDefFoundError: org/apache/velocity/app/VelocityEngine when
> loading filter org.apache.struts2.dispatcher.FilterDispatcher
> -----------------------------------------------------------------------------------------------------------------------------------------
>
> Key: WW-2228
> URL: https://issues.apache.org/struts/browse/WW-2228
> Project: Struts 2
> Issue Type: Bug
> Affects Versions: 2.0.8
> Environment: Suse Enterprise Linux 10, WebLogic Server 9.2 MP2 with
> BEA JRockit(R) Version R27.3.0-106-83792-1.5.0_11-20070607-1612-linux-x86_64
> from BEA Systems, Inc.
> Reporter: Derek
> Priority: Minor
> Fix For: 2.0.12
>
>
> Below is a clip from the logfile showing this error.
> 2007-10-03 08:07:21,466 INFO - Parsing configuration file
> [struts-default.xml]
> 2007-10-03 08:07:21,629 INFO - Parsing configuration file [struts-plugin.xml]
> 2007-10-03 08:07:21,641 INFO - Parsing configuration file [struts.xml]
> 2007-10-03 08:07:21,650 WARN - Settings: Could not parse struts.locale
> setting, substituting default VM locale
> 2007-10-03 08:07:21,658 INFO - Loading global messages from
> ApplicationResources
> 2007-10-03 08:07:21,869 INFO - Initializing Struts-Spring integration...
> 2007-10-03 08:07:21,870 INFO - Setting autowire strategy to name
> 2007-10-03 08:07:21,870 INFO - ... initialized Struts-Spring integration
> successfully
> <Oct 3, 2007 8:07:21 AM EDT> <Error> <HTTP> <BEA-101165> <Could not load user
> defined filter in web.xml: org.apache.struts2.dispatcher.FilterDispatcher.
> java.lang.NoClassDefFoundError: org/apache/velocity/app/VelocityEngine
> at java.lang.Class.getDeclaredFields0(Native Method)
> at java.lang.Class.privateGetDeclaredFields(Class.java:2259)
> at java.lang.Class.getDeclaredFields(Class.java:1715)
> at
> com.opensymphony.xwork2.inject.ContainerImpl.addInjectors(ContainerImpl.java:102)
> at
> com.opensymphony.xwork2.inject.ContainerImpl$1.create(ContainerImpl.java:84)
> at
> com.opensymphony.xwork2.inject.ContainerImpl$1.create(ContainerImpl.java:82)
> at
> com.opensymphony.xwork2.inject.util.ReferenceCache$CallableCreate.call(ReferenceCache.java:155)
> at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:269)
> at java.util.concurrent.FutureTask.run(FutureTask.java:123)
> at
> com.opensymphony.xwork2.inject.util.ReferenceCache.internalCreate(ReferenceCache.java:81)
> at
> com.opensymphony.xwork2.inject.util.ReferenceCache.get(ReferenceCache.java:121)
> at
> com.opensymphony.xwork2.inject.ContainerImpl$ConstructorInjector.<init>(ContainerImpl.java:329)
> at
> com.opensymphony.xwork2.inject.ContainerImpl$5.create(ContainerImpl.java:299)
> at
> com.opensymphony.xwork2.inject.ContainerImpl$5.create(ContainerImpl.java:298)
> at
> com.opensymphony.xwork2.inject.util.ReferenceCache$CallableCreate.call(ReferenceCache.java:155)
> at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:269)
> at java.util.concurrent.FutureTask.run(FutureTask.java:123)
> at
> com.opensymphony.xwork2.inject.util.ReferenceCache.internalCreate(ReferenceCache.java:81)
> at
> com.opensymphony.xwork2.inject.util.ReferenceCache.get(ReferenceCache.java:121)
> at
> com.opensymphony.xwork2.inject.ContainerImpl.getConstructor(ContainerImpl.java:562)
> at com.opensymphony.xwork2.inject.ContainerImpl.inject(ContainerImpl.java:460)
> at com.opensymphony.xwork2.inject.ContainerImpl$7.call(ContainerImpl.java:501)
> at
> com.opensymphony.xwork2.inject.ContainerImpl.callInContext(ContainerImpl.java:549)
> at com.opensymphony.xwork2.inject.ContainerImpl.inject(ContainerImpl.java:499)
> at
> com.opensymphony.xwork2.config.impl.LocatableFactory.create(LocatableFactory.java:32)
> at
> com.opensymphony.xwork2.inject.ContainerBuilder$4.create(ContainerBuilder.java:134)
> at com.opensymphony.xwork2.inject.Scope$2$1.create(Scope.java:49)
> at
> com.opensymphony.xwork2.inject.ContainerImpl$ParameterInjector.inject(ContainerImpl.java:431)
> at
> com.opensymphony.xwork2.inject.ContainerImpl.getParameters(ContainerImpl.java:446)
> at
> com.opensymphony.xwork2.inject.ContainerImpl.access$000(ContainerImpl.java:48)
> at
> com.opensymphony.xwork2.inject.ContainerImpl$MethodInjector.inject(ContainerImpl.java:288)
> at com.opensymphony.xwork2.inject.ContainerImpl$2.call(ContainerImpl.java:117)
> >
> We have been able to get around this error by adding the following
> dependencies to our project:
> <dependency>
> <groupId>velocity</groupId>
> <artifactId>velocity</artifactId>
> <version>1.4</version>
> </dependency>
> <dependency>
> <groupId>velocity-tools</groupId>
> <artifactId>velocity-tools-view</artifactId>
> <version>1.2</version>
> </dependency>
> Please note that we do not encounter this issue when running on WebLogic
> Server 9.2 MP2 on Solaris 8/9 using the Sun Hotspot JRE, only on this
> configuration of Linux/Jrockit
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