On 18 September 2003, Greg Ward said:
> Surely someone has written a dummy session manager class that does
> nothing...
OK, I took a crack at this. My first attempt at DummySessionManager
looked like this:
import org.apache.catalina.Manager;
class DummySessionManager implements Manager
{
public Container getContainer()
{
return null;
}
public void setContainer(Container container)
{
}
public DefaultContext getDefaultContext()
{
return null;
}
[... you get the idea ...]
}
Never mind worrying about whether all those "return null" statements
will cause NullPointerExceptions later on; Tomcat can't even create
DummySessionManager objects. (I put DummySessionManager.class in
server/classes so Tomcat could at least load it.) "catalina.sh run"
dies with this exception:
java.lang.IllegalAccessException: Class org.apache.commons.digester.ObjectCreateRule
can not access a member of class DummySessionManager with modifiers ""
at org.apache.commons.digester.Digester.createSAXException(Digester.java:2540)
at org.apache.commons.digester.Digester.createSAXException(Digester.java:2566)
at org.apache.commons.digester.Digester.startElement(Digester.java:1276)
at org.apache.xerces.parsers.AbstractSAXParser.startElement(Unknown Source)
at org.apache.xerces.parsers.AbstractXMLDocumentParser.emptyElement(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)
Arrggh. Now what? Do I have to add some magic to catalina.policy?
(Wild guess -- so far, I have remained happily ignorant of Java security
policy stuff.)
Greg
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