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From Edoardo Panfili <edoa...@aspix.it>
Subject Re: NoClassDefFoundError: javax/servlet/http/HttpServlet
Date Tue, 02 May 2006 16:25:10 GMT
Filip Hanik - Dev Lists wrote:
> try running a different VM, like the Sun VM, this could be a bug in the 
> VM you are running.

I am runnig Sun JVM 1.5.0_06

I have removed libcgj at 16:18
I did a complere reboot at 16:20

at 16:48 I have a log of this error in localhost.2006-05-02.log

Edoardo


> 
> Filip
> 
> Edoardo Panfili wrote:
>> Edoardo Panfili wrote:
>>> Marc Farrow wrote:
>>> there is somethings wrog in my develope/deploy/me system.
>>> I'll begin from scratch.
>> After a fresh installation the problem is still here (but not after 
>> all restarts).
>>
>> sometimes Tocat throws this exception
>> java.lang.NoClassDefFoundError: javax/servlet/http/HttpServlet
>>         at java.lang.ClassLoader.defineClass1(Native Method)
>>         at java.lang.ClassLoader.defineClass(ClassLoader.java:620)
>> atjava.security.SecureClassLoader.defineClass(SecureClassLoader.java:124)
>>         at java.net.URLClassLoader.defineClass(URLClassLoader.java:260)
>>         at java.net.URLClassLoader.access$100(URLClassLoader.java:56)
>>         at java.net.URLClassLoader$1.run(URLClassLoader.java:195)
>>
>> but this not happens all the times, after a restart Tomcat now works 
>> correctly. I can't figure why.
>>
>> In the original situation I have also another VM installed (I didn't 
>> know) but I have removed libgcj6 and all the dipendencies.
>>
>> In catalina.log I can find:
>> ====================================================
>> Exception in thread "main" java.lang.NoClassDefFoundError: while 
>> resolving class: org.apache.catalina.startup.Bootstrap
>>    at java.lang.VMClassLoader.transformException(java.lang.Class, 
>> java.lang.Throwable) (/usr/lib/libgcj.so.6.0.0)
>>    at java.lang.VMClassLoader.resolveClass(java.lang.Class) 
>> (/usr/lib/libgcj.so.6.0.0)
>>    at java.lang.Class.initializeClass() (/usr/lib/libgcj.so.6.0.0)
>>    at java.lang.Class.forName(java.lang.String, boolean, 
>> java.lang.ClassLoader) (/usr/lib/libgcj.so.6.0.0)
>>    at gnu.java.lang.MainThread.run() (/usr/lib/libgcj.so.6.0.0)
>> Caused by: java.lang.ClassNotFoundException: 
>> javax.management.ObjectName not found in 
>> gnu.gcj.runtime.SystemClassLoader{urls=[file:./,file:/opt/tomcat/bin/bootstrap.jar,file:/

>>
>> opt/tomcat/bin/commons-logging-api.jar], 
>> parent=gnu.gcj.runtime.ExtensionClassLoader{urls=[], parent=null}}
>>    at java.net.URLClassLoader.findClass(java.lang.String) 
>> (/usr/lib/libgcj.so.6.0.0)
>>    at java.lang.ClassLoader.loadClass(java.lang.String, boolean) 
>> (/usr/lib/libgcj.so.6.0.0)
>>    at java.lang.ClassLoader.loadClass(java.lang.String) 
>> (/usr/lib/libgcj.so.6.0.0)
>>    ...4 more
>> =====================================================
>> but now libgcj.so is no longer in my system
>>
>> The first line of catalina.sh is
>> export JAVA_HOME=/opt/jdk
>>
>> Tomcats starts up with no problems.
>> my libc version is 2.3.6
>> kernel version is 2.6.15
>> and the Sun JVM is 1.5.0_06
>>
>> Now the system works but I don't know why.
>>
>> thanks
>> Edoardo Panfili
>>
> 
> 
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-- 
edoardo@aspix.it
AIM: edoardopn
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