I have been working with Tomcat 4.1.30 for several weeks now. Everything
so far has been according to the documentation, butover the last couple of
weeks some problems have developed: the server stops working and it is
difficult to restart. The first timeI reinstalled the Java SDK. On a later
occassion I reinstalled Tomcat as well. I packed and unpacked all the
applications as they were exactly and it worked again. Now none of these
remedies sems to work. I would have said that Tomcat doesn't work if it
hadn't been for the fact that I have already *seen it* at work. Any
suggestions will be greatly appreciated.
This is my setup:
fedora core 2
tomcat 4.1.30
j2sdk1.4.2_04
cpu: intel 2.8GHz, 760Mb RAM,
I am including a portioin of the log with the errors.
Thanks,
Gerardo Juarez
------ Log -------
SEVERE: Begin event threw error
java.lang.ExceptionInInitializerError
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:141)
at
org.apache.catalina.startup.LifecycleListenerRule.begin(LifecycleListenerRule.java:139)
at org.apache.commons.digester.Rule.begin(Rule.java:200)
at
org.apache.commons.digester.Digester.startElement(Digester.java:1273)
at
org.apache.xerces.parsers.AbstractSAXParser.startElement(Unknown Source)
at
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanStartElement(Unknown
Source)
at
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown
Source)
at
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown
Source)
at org.apache.xerces.parsers.XML11Configuration.parse(Unknown
Source)
at org.apache.xerces.parsers.DTDConfiguration.parse(Unknown
Source)
at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown
Source)
at org.apache.commons.digester.Digester.parse(Digester.java:1548)
at org.apache.catalina.startup.Catalina.start(Catalina.java:449)
at org.apache.catalina.startup.Catalina.execute(Catalina.java:400)
at org.apache.catalina.startup.Catalina.process(Catalina.java:180)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:203)
Caused by: java.lang.NullPointerException
at
org.apache.catalina.startup.ContextConfig.createTldDigester(ContextConfig.java:481)
at
org.apache.catalina.startup.ContextConfig.<clinit>(ContextConfig.java:183)
... 22 more
Exception during startup processing
java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:203)
Caused by: java.lang.ExceptionInInitializerError
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:141)
at
org.apache.catalina.startup.LifecycleListenerRule.begin(LifecycleListenerRule.java:139)
at org.apache.commons.digester.Rule.begin(Rule.java:200)
at
org.apache.commons.digester.Digester.startElement(Digester.java:1273)
at
org.apache.xerces.parsers.AbstractSAXParser.startElement(Unknown Source)
at
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanStartElement(Unknown
Source)
at
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown
Source)
at
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown
Source)
at org.apache.xerces.parsers.XML11Configuration.parse(Unknown
Source)
at org.apache.xerces.parsers.DTDConfiguration.parse(Unknown
Source)
at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown
Source)
at org.apache.commons.digester.Digester.parse(Digester.java:1548)
at org.apache.catalina.startup.Catalina.start(Catalina.java:449)
at org.apache.catalina.startup.Catalina.execute(Catalina.java:400)
at org.apache.catalina.startup.Catalina.process(Catalina.java:180)
... 5 more
Caused by: java.lang.NullPointerException
at
org.apache.catalina.startup.ContextConfig.createTldDigester(ContextConfig.java:481)
at
org.apache.catalina.startup.ContextConfig.<clinit>(ContextConfig.java:183)
... 22 more
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