Hello, I don't know if this is interesting, but while I started Tomcat in IDEA
debugger, when I had breakpoint set to NullPointerException (so that it breaks
on all of them),
then it break here:
org\apache\tomcat\tomcat-util\8.5.75\tomcat-util-8.5.75.jar!\org\apache\tomcat\util\IntrospectionUtils.class
public static String replaceProperties(String value, Hashtable<Object, Object>
staticProp, IntrospectionUtils.PropertySource[] dynamicProp, ClassLoader
classLoader) {
if (value.indexOf(36) < 0) {
"value" is null.
A bit more up in stack trace, it is here:
org\apache\tomcat\tomcat-util-scan\8.5.75\tomcat-util-scan-8.5.75.jar!\org\apache\tomcat\util\digester\Digester.class
public InputSource resolveEntity(String name, String publicId, String baseURI,
String systemId) throws SAXException, IOException {
name = this.replace(name);
"name" is null.
One more up:
java.xml\com\sun\org\apache\xerces\internal\util\EntityResolver2Wrapper.java
String name = null;
if (resourceIdentifier instanceof XMLDTDDescription) {
name = "[dtd]";
}
else if (resourceIdentifier instanceof XMLEntityDescription) {
name = ((XMLEntityDescription) resourceIdentifier).getEntityName();
}
// When both pubId and sysId are null, the user's entity resolver
// can do nothing about it. We'd better not bother calling it.
// This happens when the resourceIdentifier is a GrammarDescription,
// which describes a schema grammar of some namespace, but without
// any schema location hint. -Sg
if (pubId == null && sysId == null) {
return null;
}
// Resolve using EntityResolver2
try {
InputSource inputSource =
fEntityResolver.resolveEntity(name, pubId, baseURI, sysId);
"name" is null.
It was parsing this:
jar:file:/C:/Tomcat/tomcat_home/lib/catalina.jar!/org/apache/catalina/mbeans/mbeans-descriptors.xml
So the problem seems to happen in org.apache.xerces XML parser, or in Tomcat.
-Harri
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