Jonas5.10 部署使用了Spring的项目出错

最新推荐文章于 2023-01-14 11:34:17 发布

neolimeng

最新推荐文章于 2023-01-14 11:34:17 发布

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文章标签： Spring Java Web log4j Apache

本文记录了在使用Jonas应用服务器部署Spring应用时遇到的NoSuchMethodError异常，并详细展示了异常堆栈跟踪。通过调整classloader配置成功解决了该问题。

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开了一个基于

下面是Jonas启动过程中抛出的异常信息：

been ignored.:49:59,887 : WARDeployer.doDeploy : Deploying NITS.war
2009-11-12 20:50:12,527 : ApplicationContext.log : Initializing Spring root WebApplicationContext
log4j:WARN No appenders could be found for logger (org.springframework.web.context.ContextLoader).
log4j:WARN Please initialize the log4j system properly.
2009-11-12 20:50:12,590 : StandardContext.listenerStart : Exception sending context initialized even
t to listener instance of class org.springframework.web.context.ContextLoaderListener
java.lang.NoSuchMethodError: org.springframework.util.Assert.noNullElements([Ljava/lang/Object;Ljava
/lang/String;)V
        at org.springframework.context.support.AbstractRefreshableConfigApplicationContext.setConfig
Locations(AbstractRefreshableConfigApplicationContext.java:78)
        at org.springframework.context.support.AbstractRefreshableConfigApplicationContext.setConfig
Location(AbstractRefreshableConfigApplicationContext.java:69)
        at org.springframework.web.context.ContextLoader.createWebApplicationContext(ContextLoader.j
ava:253)
        at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.jav
a:199)
        at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderLis
tener.java:45)
        at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3934)
        at org.apache.catalina.core.StandardContext.start(StandardContext.java:4429)
        at org.ow2.jonas.web.tomcat6.JOnASStandardContext.start(JOnASStandardContext.java:273)
        at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:791)
        at org.apache.catalina.core.ContainerBase.access$000(ContainerBase.java:123)
        at org.apache.catalina.core.ContainerBase$PrivilegedAddChild.run(ContainerBase.java:145)
        at java.security.AccessController.doPrivileged(Native Method)
        at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:769)
        at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:526)
        at org.ow2.jonas.web.tomcat6.Tomcat6Service.__doRegisterWar(Tomcat6Service.java:698)
        at org.ow2.jonas.web.tomcat6.Tomcat6Service.doRegisterWar(Tomcat6Service.java)
        at org.ow2.jonas.web.base.BaseWebContainerService.registerWar(BaseWebContainerService.java:9
18)
        at org.ow2.jonas.web.base.BaseWebContainerService.registerWar(BaseWebContainerService.java:1
074)
        at org.ow2.jonas.web.tomcat6.Tomcat6Service.__registerWar(Tomcat6Service.java:1353)
        at org.ow2.jonas.web.tomcat6.Tomcat6Service.registerWar(Tomcat6Service.java)
        at org.ow2.jonas.web.base.proxy.HttpOnDemandProxy.addWar(HttpOnDemandProxy.java:358)
        at org.ow2.jonas.web.base.WARDeployer.doDeploy(WARDeployer.java:70)
        at org.ow2.util.ee.deploy.impl.deployer.AbsDeployer.deploy(AbsDeployer.java:89)
        at org.ow2.util.ee.deploy.impl.deployer.DeployerManager.deploy(DeployerManager.java:129)
        at org.ow2.jonas.deployablemonitor.DeployableMonitor.checkModifiedDeployables(DeployableMoni
tor.java:664)
        at org.ow2.jonas.deployablemonitor.DeployableMonitor.access$100(DeployableMonitor.java:68)
        at org.ow2.jonas.deployablemonitor.DeployableMonitor$2.execute(DeployableMonitor.java:300)
        at org.ow2.jonas.deployablemonitor.DeployableMonitor$2.execute(DeployableMonitor.java:299)
        at org.ow2.jonas.lib.execution.RunnableHelper.execute(RunnableHelper.java:60)
        at org.ow2.jonas.deployablemonitor.DeployableMonitor.updateArchives(DeployableMonitor.java:3
06)
        at org.ow2.jonas.deployablemonitor.DeployableMonitor.run(DeployableMonitor.java:176)

我们尝试了好多种解决办法，但都没能解决问题，最后只好给Jonas组织发邮件询问。很快我们就得到了解答，并且给出的解决方案确实解决了我们的问题。解答如下：

写道

You should add
org.springframework.*
net.sf.cglib.*
org.objectweb.asm.*

In the JONAS_BASE/conf/classloader-default-filtering.xml file

我们又进一步询问了这样做的原因，以及如何避免这样的错误，解答如下：

写道

Depending on the services that you're launching (for example jaxws service), spring bundle is loaded.
Then, there was a conflict between the version exported by JOnAS and the version that you want to use.

By using classloader-default-filtering.xml, it means that the packages listed in this file are not exported to the applications.
So, in your case, by adding "org.springframework.* ", spring packages are no more seen by your application.
But by using only this line, you'll see others NoClassDefFoundError as spring is using other components that are still exported by JOnAS
Using the "trial and error" approach, the final list of packages is the list that I gave you