[rules-users] Error deploying knowledge-base.war on tomcat6

[xat]

After several tries and jar additions to war file I got more logs on the
error:

Oct 25, 2013 3:16:54 PM org.apache.catalina.startup.HostConfig deployWAR
INFO: Deploying web application archive drools-service.war
Oct 25, 2013 3:16:55 PM org.apache.catalina.core.ApplicationContext log
INFO: 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.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for
more info.
SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder".
SLF4J: Defaulting to no-operation (NOP) logger implementation
SLF4J: See http://www.slf4j.org/codes.html#StaticLoggerBinder for further
details.
Oct 25, 2013 3:16:56 PM org.apache.catalina.core.StandardContext
listenerStart
SEVERE: Exception sending context initialized event to listener instance of
class org.springframework.web.context.ContextLoaderListener
org.springframework.beans.factory.BeanCreationException: Error creating bean
with name 'node1': Invocation of init method failed; nested exception is
java.lang.NullPointerException
        at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1338)
        at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:473)
        at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory$1.run(AbstractAutowireCapableBeanFactory.java:409)
        at java.security.AccessController.doPrivileged(Native Method)
        at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:380)
        at
org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:264)
        at
org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)
        at
org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:261)
        at
org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:185)
        at
org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:164)
        at
org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:423)
        at
org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:728)
        at
org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:380)
        at
org.springframework.web.context.ContextLoader.createWebApplicationContext(ContextLoader.java:255)
        at
org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:199)
        at
org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:45)
        at
org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3972)
        at
org.apache.catalina.core.StandardContext.start(StandardContext.java:4467)
        at
org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:791)
        at
org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:771)
        at
org.apache.catalina.core.StandardHost.addChild(StandardHost.java:526)
        at
org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:905)
        at
org.apache.catalina.startup.HostConfig.deployWARs(HostConfig.java:740)
        at
org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:500)
        at
org.apache.catalina.startup.HostConfig.check(HostConfig.java:1345)
        at
org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:303)
        at
org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
        at
org.apache.catalina.core.ContainerBase.backgroundProcess(ContainerBase.java:1337)
        at
org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1601)
        at
org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1610)
        at
org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.run(ContainerBase.java:1590)
        at java.lang.Thread.run(Thread.java:722)
Caused by: java.lang.NullPointerException
        at org.drools.grid.impl.GridImpl.createGridNode(GridImpl.java:145)
        at
org.drools.container.spring.beans.GridNodeBeanFactory.afterPropertiesSet(GridNodeBeanFactory.java:63)
        at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1369)
        at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1335)
        ... 31 more

Oct 25, 2013 3:16:56 PM org.apache.catalina.core.StandardContext start
SEVERE: Error listenerStart
Oct 25, 2013 3:16:56 PM org.apache.catalina.core.StandardContext start
SEVERE: Context [/drools-service] startup failed due to previous errors
Oct 25, 2013 3:16:56 PM org.apache.catalina.core.ApplicationContext log
INFO: Closing Spring root WebApplicationContext
Oct 25, 2013 3:16:56 PM org.apache.catalina.loader.WebappClassLoader
clearReferencesThreads
SEVERE: A web application appears to have started a thread named [Camel
Thread 0 - ShutdownTask] but has failed to stop it. This is very likely to
create a memory leak.
Oct 25, 2013 3:16:56 PM org.apache.catalina.loader.WebappClassLoader
clearThreadLocalMap
SEVERE: A web application created a ThreadLocal with key of type [null]
(value [com.sun.xml.bind.v2.ClassFactory$1 at 2cfd46df]) and a value of type
[java.util.WeakHashMap] (value [{class
org.apache.camel.model.UnmarshalDefinition=java.lang.ref.WeakReference at 2837f18c,
class
org.apache.camel.model.FromDefinition=java.lang.ref.WeakReference at 70d332f4,
class
org.apache.camel.spring.CamelContextFactoryBean=java.lang.ref.WeakReference at 39b66b0a,
class
org.apache.camel.model.RouteDefinition=java.lang.ref.WeakReference at 772d7b1f,
class
javax.xml.bind.annotation.adapters.CollapsedStringAdapter=java.lang.ref.WeakReference at 4aee6d59,
class
org.apache.camel.model.ToDefinition=java.lang.ref.WeakReference at 6b4d147d,
class
org.apache.camel.model.MarshalDefinition=java.lang.ref.WeakReference at 117c5194,
class
org.apache.camel.model.PolicyDefinition=java.lang.ref.WeakReference at 78cfd483}])
but failed to remove it when the web application was stopped. To prevent a
memory leak, the ThreadLocal has been forcibly removed.
Oct 25, 2013 3:16:56 PM org.apache.catalina.loader.WebappClassLoader
clearThreadLocalMap
SEVERE: A web application created a ThreadLocal with key of type
[org.springframework.core.NamedThreadLocal] (value [Prototype beans
currently in creation]) and a value of type [null] (value [null]) but failed
to remove it when the web application was stopped. To prevent a memory leak,
the ThreadLocal has been forcibly removed.
Oct 25, 2013 3:16:56 PM org.apache.catalina.loader.WebappClassLoader
clearThreadLocalMap
SEVERE: A web application created a ThreadLocal with key of type
[org.springframework.core.NamedThreadLocal] (value [XML bean definition
resources currently being loaded]) and a value of type [null] (value [null])
but failed to remove it when the web application was stopped. To prevent a
memory leak, the ThreadLocal has been forcibly removed.



Still can't understand what is causing null pointer exception.



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