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issue with jdk1.5 + tomcat 5

 
Greenhorn
Posts: 2
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Hi,

In our application we were using crimson xml apis, with jre 1.5 and
tomcat 4.1.27.

Now, i am trying to migrate it to Tomcat 5.0+, and 5.0.27 to be
precise. And, For my application to work, i need to have the
crimson.jar in the classpath.

With jre1.5 the tomcat is not starting and throws this exception :
java.lang.reflect.InvocationTargetException
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:284)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:422)
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 com.adventnet.nms.util.RunJSPModule.startJSPModule(RunJSPModule.java:83)
at com.adventnet.nms.util.RunJSPModule.main(RunJSPModule.java:115)
Caused by: javax.xml.parsers.FactoryConfigurationError: Provider
org.apache.crimson.jaxp.DocumentBuilderFactoryImpl not
found
at javax.xml.parsers.DocumentBuilderFactory.newInstance(Unknown
Source)
at org.apache.commons.modeler.util.DomUtil.readXml(DomUtil.java:284)
at org.apache.commons.modeler.modules.MbeansDescriptorsDOMSource.execute(Mbe
ansDescriptorsDOMSource.java:130)
at org.apache.commons.modeler.modules.MbeansDescriptorsDOMSource.loadDescrip
tors(MbeansDescriptorsDOMSource.java
:120)
at org.apache.commons.modeler.Registry.load(Registry.java:819)
at org.apache.commons.modeler.Registry.loadDescriptors(Registry.java:931)
at org.apache.commons.modeler.Registry.loadDescriptors(Registry.java:909)
at org.apache.commons.modeler.Registry.findDescriptor(Registry.java:992)
at org.apache.commons.modeler.Registry.findManagedBean(Registry.java:696)
at org.apache.commons.modeler.Registry.findManagedBean(Registry.java:1047)
at org.apache.commons.modeler.Registry.registerComponent(Registry.java:859)
at org.apache.catalina.loader.WebappLoader.init(WebappLoader.java:612)
at org.apache.catalina.loader.WebappLoader.start(WebappLoader.java:644)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4231)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1083)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:789)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1083)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:478)
at org.apache.catalina.core.StandardService.start(StandardService.java:480)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:2313)
at org.apache.catalina.startup.Catalina.start(Catalina.java:556)
.. 12 more

But using jre 1.4 / tomcat5.0.27 / with Crimson.jar in classpath and
other things remaining the same , there are no issues at all.

But, I need get this combo (jre 1.5/tomcat5.0.27/with Crimson.jar ) up
and running.

Moreover i dont understand the issue very clear myself. Because, i
keep the Crimson.jar in classpath and the class
"org.apache.crimson.jaxp.DocumentBuilderFactoryImpl" is also being
loaded by the system classloader. But, Still i get this peculiar
"class not found" as the cause from the Tomcat classloader.

Where am i missing the point. Some one please enlighten me on this.

Any help is very much appreciated.

Note: I have solved this problem by following the java endorsed standard mechanism. But i want a direct solution and not a workaround......

And also any one explain the root cause behind this exception.

thanks and regards,
Sam.
 
author and iconoclast
Posts: 24207
46
Mac OS X Eclipse IDE Chrome
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Hi,

Welcome to JavaRanch!

Web apps won't load things from the CLASSPATH environment variable, if that's what you're saying; you need to actually install crimson.jar in the right place in Tomcat. For a single Web app, you can just put it in the Web app's WEB-INF/lib directory. If you want it to be shared by all web apps, then the TOMCAT/shared/lib directory is the place to put it.
 
Greenhorn
Posts: 9
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Hi Sam,

Also, you might want to look and make sure that you are using the JRE that is in your jdk1.5 subdirectory.

Ray
 
samurfriend sam
Greenhorn
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Thanks for the info friends,

But everything seems to be correct in case of jdk1.4. If i go for endorsed standard mehcanism, then i able to solve the problem. I have a got a workaround , but i want to know the exact root cause behind this issue.

Help me in this regard.

Regards
Sam
 
Greenhorn
Posts: 1
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Originally posted by samurfriend sam:
Thanks for the info friends,

But everything seems to be correct in case of jdk1.4. If i go for endorsed standard mehcanism, then i able to solve the problem. I have a got a workaround , but i want to know the exact root cause behind this issue.

Help me in this regard.

Regards
Sam




Hi, can you explain your workaround please, since I am having the exact same problem.

Thanks in advance,

Kevin
 
Java Cowboy
Posts: 16084
88
Android Scala IntelliJ IDE Spring Java
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Crimson is an XML parser, as far as I know - was this the XML parser that Sun included with Java 1.4?

Why did you make your application dependent on that particular XML parser? It's a good idea to fix your application, so that it uses only the standard XML API, and isn't dependent on a particular XML parser such as Crimson.
 
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