I am defining each of the Environment Variables in an <Environment> Tag inside
of the context.xml like:
<Context>
...
<Environment name="email.abc.signup.subject" value="Sign Up for the ABC Plan"
type="java.lang.String" override="false" />
...
</Context>
I am getting an nullpoint exception when doing something with information
returned from Context.lookup("java:comp/env/EnvironmentVariables") method here
is the exact stack trace:
Oct 22, 2010 9:44:07 AM org.apache.catalina.core.AprLifecycleListener init
INFO: The APR based Apache Tomcat Native library which allows optimal
performance in production environments was not found on the java.library.path:
C:\Program
Files\Java\jre6\bin;.;C:\WINDOWS\Sun\Java\bin;C:\WINDOWS\system32;C:\WINDOWS;C:/Program
Files/Java/jre6/bin/client;C:/Program Files/Java/jre6/bin;C:/Program
Files/Java/jre6/lib/i386;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\Program
Files\Intel\DMIX;C:\Program Files\NTRU Cryptosystems\NTRU TCG Software
Stack\bin\;C:\Program Files\Wave Systems Corp\Gemalto\Access
Client\v5\;C:\Program Files\Common Files\Roxio Shared\DLLShared\;C:\Program
Files\Common Files\Roxio Shared\9.0\DLLShared\;C:\Program
Files\QuickTime\QTSystem\;C:\Program Files\Reflection\
Oct 22, 2010 9:44:07 AM org.apache.tomcat.util.digester.SetPropertiesRule begin
WARNING: [SetPropertiesRule]{Server/Service/Engine/Host/Context} Setting
property 'source' to 'org.eclipse.jst.j2ee.server:MGE' did not find a matching
property.
Oct 22, 2010 9:44:07 AM org.apache.coyote.http11.Http11Protocol init
INFO: Initializing Coyote HTTP/1.1 on http-8080
Oct 22, 2010 9:44:07 AM org.apache.catalina.startup.Catalina load
INFO: Initialization processed in 290 ms
Oct 22, 2010 9:44:07 AM org.apache.catalina.core.StandardService start
INFO: Starting service Catalina
Oct 22, 2010 9:44:07 AM org.apache.catalina.core.StandardEngine start
INFO: Starting Servlet Engine: Apache Tomcat/6.0.26
Oct 22, 2010 9:44:08 AM org.apache.catalina.core.NamingContextListener
addEnvironment
SEVERE: Environment entry javax.naming.NamingException: Cannot create resource
instance has an invalid value
log4j:WARN No appenders could be found for logger
(org.apache.struts.util.PropertyMessageResources).
log4j:WARN Please initialize the log4j system properly.
Oct 22, 2010 9:44:08 AM org.apache.catalina.core.ApplicationContext log
INFO: Initializing Spring FrameworkServlet 'MGEWebAdminClient'
test11111111111111111111111
Oct 22, 2010 9:44:09 AM org.apache.catalina.core.ApplicationContext log
SEVERE: StandardWrapper.Throwable
org.springframework.beans.factory.BeanCreationException: Error creating bean
with name 'propInstance' defined in ServletContext resource
[/WEB-INF/mge-main-cfg.xml]: Instantiation of bean failed; nested exception is
org.springframework.beans.BeanInstantiationException: Could not instantiate
bean class [com.mge.rma.main.SingleInstanceVariable]: Constructor threw
exception; nested exception is java.lang.NullPointerException
Caused by: org.springframework.beans.BeanInstantiationException: Could not
instantiate bean class [com.mge.rma.main.SingleInstanceVariable]: Constructor
threw exception; nested exception is java.lang.NullPointerException
Caused by: java.lang.NullPointerException
at
com.mge.shared.util.ResourceUtils.getPropertyValue(ResourceUtils.java:59)
at com.mge.shared.util.ResourceUtils.getProperty(ResourceUtils.java:54)
at
com.mge.rma.main.SingleInstanceVariable.<init>(SingleInstanceVariable.java:116)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown
Source)
at java.lang.reflect.Constructor.newInstance(Unknown Source)
at
org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:85)
at
org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:61)
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateBean(AbstractAutowireCapableBeanFactory.java:732)
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:720)
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:386)
at
org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:251)
at
org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:144)
at
org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:248)
at
org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:160)
at
org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:279)
at
org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:360)
at
org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:329)
at
org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:265)
at
org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:235)
at
org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:126)
at javax.servlet.GenericServlet.init(GenericServlet.java:212)
at
org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1173)
at
org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:993)
at
org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:4187)
at
org.apache.catalina.core.StandardContext.start(StandardContext.java:4496)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:785)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
at
org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443)
at
org.apache.catalina.core.StandardService.start(StandardService.java:519)
at
org.apache.catalina.core.StandardServer.start(StandardServer.java:710)
at org.apache.catalina.startup.Catalina.start(Catalina.java:581)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:289)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414)
Oct 22, 2010 9:44:09 AM org.apache.catalina.core.StandardContext loadOnStartup
SEVERE: Servlet /MGE threw load() exception
-----Original Message-----
From: Pid [mailto:p...@pidster.com]
Sent: Friday, October 22, 2010 11:27 AM
To: Tomcat Users List
Subject: Re: Question
On 22/10/2010 16:27, Marshall, Marc wrote:
> Hi,
>
> I am a new user to Tomcat and am converting from Websphere server to a Tomcat
> 6.0 server running out of eclipse. The Websphere server has Environment
> variables in "java:comp/env/EnvironmentVariables". After looking at the
> context.xml documentation I had assumed that I could place them in the
> individual <Environment> tags. My application does a lookup using a
> Context.lookup("java:comp/env/EnvironmentVariables") method to find the
> Environment variables so when I startup Tomcat I get errors because it is
> looking at the "java:comp/env/EnvironmentVariables" for my Environment
> variables. Does anyone have suggestions on what I am doing wrong or am I
> completely on the wrong track? Thank in advance for any help you may give.
How are you defining the resource in Tomcat, exactly?
What is the full stacktrace of the error in the logs?
p
> Thanks,
>
> Marc Marshall
>
> Private and confidential as detailed here:
> http://www.sug.com/disclaimers/default.htm#Mail . If you cannot access the
> link, please e-mail sender.
>
Private and confidential as detailed here:
http://www.sug.com/disclaimers/default.htm#Mail . If you cannot access the
link, please e-mail sender.
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