Hi,
I am getting org.apache.log4j.Level class not found exception as below. I am
trying article at
http://www.javaworld.com/javaworld/jw-04-2008/jw-04-osgi2.html?page=2
and have tried its solution to create separate project to resolve issue but
does not work for me. From the spring-dm-1.2.1 I have setup following bundles
in eclipse: The helloworld-springdm is one I am trying out from javaworld
article rest are from the dist and lib folders of spring-dm. I have not
included all bundles but ones I felt reading the article that are necessary.
Please guide.
com.springsource.org.aopalliance
com.springsource.slf4j.api
com.springsource.slf4j.log4j
com.springsource.slf4j.org.apache.commons.logging
helloworld-springdm
org.eclipse.osgi
org.springframework.aop
org.springframework.beans
org.springframework.context
org.springframework.core
org.springframework.osgi.core
org.springframework.osgi.extender
org.springframework.osgi.io
osgi> !SESSION 2012-05-28 11:56:36.646
-----------------------------------------------
eclipse.buildId=unknown
java.version=1.7.0
java.vendor=Oracle Corporation
BootLoader constants: OS=win32, ARCH=x86, WS=win32, NL=en_US
Command-line arguments: -dev
file:E:/learn/eclipseide/workspace-indigo-spring-dm/.metadata/.plugins/org.eclipse.pde.core/helloworld-springdm/dev.properties
-os win32 -ws win32 -arch x86 -consoleLog -console
!ENTRY helloworld-springdm 4 0 2012-05-28 11:56:37.112
!MESSAGE FrameworkEvent.ERROR
!STACK 0
org.osgi.framework.BundleException: The bundle could not be resolved. Reason:
Missing Constraint: Bundle-RequiredExecutionEnvironment: JavaSE-1.7
at
org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(BundleHost.java:294)
at
org.eclipse.osgi.framework.internal.core.AbstractBundle.resume(AbstractBundle.java:329)
at
org.eclipse.osgi.framework.internal.core.Framework.resumeBundle(Framework.java:1046)
at
org.eclipse.osgi.framework.internal.core.StartLevelManager.resumeBundles(StartLevelManager.java:573)
at
org.eclipse.osgi.framework.internal.core.StartLevelManager.incFWSL(StartLevelManager.java:495)
at
org.eclipse.osgi.framework.internal.core.StartLevelManager.doSetStartLevel(StartLevelManager.java:275)
at
org.eclipse.osgi.framework.internal.core.StartLevelManager.dispatchEvent(StartLevelManager.java:455)
at
org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:189)
at
org.eclipse.osgi.framework.eventmgr.EventManager$EventThread.run(EventManager.java:291)
!ENTRY org.springframework.osgi.extender 4 0 2012-05-28 11:56:37.174
!MESSAGE FrameworkEvent.ERROR
!STACK 0
org.osgi.framework.BundleException: The activator
org.springframework.osgi.extender.internal.activator.ContextLoaderListener for
bundle org.springframework.osgi.extender is invalid
at
org.eclipse.osgi.framework.internal.core.AbstractBundle.loadBundleActivator(AbstractBundle.java:141)
at
org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(BundleContextImpl.java:962)
at
org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(BundleHost.java:317)
at
org.eclipse.osgi.framework.internal.core.AbstractBundle.resume(AbstractBundle.java:329)
at
org.eclipse.osgi.framework.internal.core.Framework.resumeBundle(Framework.java:1046)
at
org.eclipse.osgi.framework.internal.core.StartLevelManager.resumeBundles(StartLevelManager.java:573)
at
org.eclipse.osgi.framework.internal.core.StartLevelManager.incFWSL(StartLevelManager.java:495)
at
org.eclipse.osgi.framework.internal.core.StartLevelManager.doSetStartLevel(StartLevelManager.java:275)
at
org.eclipse.osgi.framework.internal.core.StartLevelManager.dispatchEvent(StartLevelManager.java:455)
at
org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:189)
at
org.eclipse.osgi.framework.eventmgr.EventManager$EventThread.run(EventManager.java:291)
Caused by: java.lang.NoClassDefFoundError: org/apache/log4j/Level
at org.slf4j.impl.StaticLoggerBinder.<init>(StaticLoggerBinder.java:63)
at org.slf4j.impl.StaticLoggerBinder.<clinit>(StaticLoggerBinder.java:51)
at org.slf4j.LoggerFactory.<clinit>(LoggerFactory.java:60)
at
org.apache.commons.logging.impl.SLF4JLogFactory.getInstance(SLF4JLogFactory.java:155)
at
org.apache.commons.logging.impl.SLF4JLogFactory.getInstance(SLF4JLogFactory.java:131)
at org.apache.commons.logging.LogFactory.getLog(LogFactory.java:203)
at
org.springframework.osgi.extender.internal.activator.ContextLoaderListener.<clinit>(ContextLoaderListener.java:253)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:525)
at java.lang.Class.newInstance0(Class.java:372)
at java.lang.Class.newInstance(Class.java:325)
at
org.eclipse.osgi.framework.internal.core.AbstractBundle.loadBundleActivator(AbstractBundle.java:136)
... 10 more
Caused by: java.lang.ClassNotFoundException: org.apache.log4j.Level
at
org.eclipse.osgi.framework.internal.core.BundleLoader.findClass(BundleLoader.java:402)
at
org.eclipse.osgi.framework.internal.core.BundleLoader.findClass(BundleLoader.java:347)
at
org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:83)
at java.lang.ClassLoader.loadClass(ClassLoader.java:356)
... 24 more
Root exception:
java.lang.NoClassDefFoundError: org/apache/log4j/Level
at org.slf4j.impl.StaticLoggerBinder.<init>(StaticLoggerBinder.java:63)
at org.slf4j.impl.StaticLoggerBinder.<clinit>(StaticLoggerBinder.java:51)
at org.slf4j.LoggerFactory.<clinit>(LoggerFactory.java:60)
at
org.apache.commons.logging.impl.SLF4JLogFactory.getInstance(SLF4JLogFactory.java:155)
at
org.apache.commons.logging.impl.SLF4JLogFactory.getInstance(SLF4JLogFactory.java:131)
at org.apache.commons.logging.LogFactory.getLog(LogFactory.java:203)
at
org.springframework.osgi.extender.internal.activator.ContextLoaderListener.<clinit>(ContextLoaderListener.java:253)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:525)
at java.lang.Class.newInstance0(Class.java:372)
at java.lang.Class.newInstance(Class.java:325)
at
org.eclipse.osgi.framework.internal.core.AbstractBundle.loadBundleActivator(AbstractBundle.java:136)
at
org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(BundleContextImpl.java:962)
at
org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(BundleHost.java:317)
at
org.eclipse.osgi.framework.internal.core.AbstractBundle.resume(AbstractBundle.java:329)
at
org.eclipse.osgi.framework.internal.core.Framework.resumeBundle(Framework.java:1046)
at
org.eclipse.osgi.framework.internal.core.StartLevelManager.resumeBundles(StartLevelManager.java:573)
at
org.eclipse.osgi.framework.internal.core.StartLevelManager.incFWSL(StartLevelManager.java:495)
at
org.eclipse.osgi.framework.internal.core.StartLevelManager.doSetStartLevel(StartLevelManager.java:275)
at
org.eclipse.osgi.framework.internal.core.StartLevelManager.dispatchEvent(StartLevelManager.java:455)
at
org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:189)
at
org.eclipse.osgi.framework.eventmgr.EventManager$EventThread.run(EventManager.java:291)
Caused by: java.lang.ClassNotFoundException: org.apache.log4j.Level
at
org.eclipse.osgi.framework.internal.core.BundleLoader.findClass(BundleLoader.java:402)
at
org.eclipse.osgi.framework.internal.core.BundleLoader.findClass(BundleLoader.java:347)
at
org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:83)
at java.lang.ClassLoader.loadClass(ClassLoader.java:356)
... 24 more
!ENTRY org.eclipse.osgi 4 0 2012-05-28 11:56:37.179
!MESSAGE Bundle
initial@reference:file:../../../../learn/java/spring/spring-dm/helloworld-springdm/
was not resolved.
!ENTRY org.eclipse.osgi 4 0 2012-05-28 11:56:37.180
!MESSAGE Bundle
initial@reference:file:../../../../learn/eclipseide/workspace-indigo-spring-dm/org.springframework.osgi.extender/
[51] is not active.
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