Oliver Tanglin | SAIC
Software Appl. Engineer | C3 Systems and Analysis Division
Phone: 703-676-7449 | Mobile: 727-207-1037
tangl...@saic.com
-----Original Message-----
From: users-return-242256-OLIVER.TANGLIN=saic....@tomcat.apache.org on behalf
of Jane Muse
Sent: Tue 6/11/2013 7:42 PM
To: users@tomcat.apache.org
Subject: Class cast exception when starting tomcat 7.0.1
I'm getting a class cast exception when starting up tomcat 7.0.1. I've migrated
from 6.0.18 to 7.0.1. I got the same error when migrating directly to 7.0.4.
The error is:
SEVERE: Begin event threw exception
Throwable occurred: java.lang.ClassCastException:
org.apache.catalina.deploy.SecurityConstraint incompatible with
org.apache.catalina.deploy.SecurityConstraint
at org.apache.catalina.startup.SetAuthConstraintRule.begin(WebRuleSet.java:745)
at org.apache.tomcat.util.digester.Digester.startElement(Digester.java:1282)
at org.apache.xerces.parsers.AbstractSAXParser.startElement(Unknown Source)
at org.apache.xerces.impl.dtd.XMLDTDValidator.startElement(Unknown Source)
at
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanStartElement(Unknown
Source)
at
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown
Source)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown
Source)
at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
at org.apache.xerces.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown Source)
at org.apache.tomcat.util.digester.Digester.parse(Digester.java:1543)
at
org.apache.catalina.startup.ContextConfig.parseWebXml(ContextConfig.java:1686)
at org.apache.catalina.startup.ContextConfig.webConfig(ContextConfig.java:1201)
at
org.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.java:874)
at
org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:317)
.
.
.
Jun 11, 2013 2:17:07 PM org.apache.catalina.startup.ContextConfig parseWebXml
SEVERE: Parse error in application web.xml file at
jndi:/localhost/aldonsecurityservice/WEB-INF/web.xml
Throwable occurred: java.lang.ClassCastException:
org.apache.catalina.deploy.SecurityConstraint incompatible with
org.apache.catalina.deploy.SecurityConstraint
at
org.apache.tomcat.util.digester.Digester.createSAXException(Digester.java:2687)
at
org.apache.tomcat.util.digester.Digester.createSAXException(Digester.java:2713)
at org.apache.tomcat.util.digester.Digester.startElement(Digester.java:1285)
at org.apache.xerces.parsers.AbstractSAXParser.startElement(Unknown Source)
at org.apache.xerces.impl.dtd.XMLDTDValidator.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.XML11Configuration.parse(Unknown Source)
.
.
.
.
at java.lang.reflect.Method.invoke(Method.java:611)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:303)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:431)
Jun 11, 2013 2:17:07 PM org.apache.catalina.startup.ContextConfig parseWebXml
SEVERE: Occurred at line 147 column 20
class load: java/util/LinkedHashMap$2
class load: java/util/LinkedHashMap$ValueIterator
class load: org.apache.catalina.core.StandardWrapperFacade from:
file:/ALDON/ALDONLS/tomcat_alcsq/lib/catalina.jar
class load: org.apache.catalina.util.InstanceSupport from:
file:/ALDON/ALDONLS/tomcat_alcsq/lib/catalina.jar
class load: org.apache.catalina.InstanceListener from:
file:/ALDON/ALDONLS/tomcat_alcsq/lib/catalina.jar
class load: org.apache.catalina.core.StandardWrapperValve from:
file:/ALDON/ALDONLS/tomcat_alcsq/lib/catalina.jar
class load: javax.servlet.descriptor.TaglibDescriptor from:
file:/ALDON/ALDONLS/tomcat_alcsq/lib/servlet-api.jar
Is it possible my XML parsers need updating. I'm still using the same ones in
my WEB-INF/lib of the webapp:
xalan.jar
xerces.jar
xerces-2.6.2.jar
xml-apis.jar
xmlrpc-1.2-b1.jar
Thanks,
JMuse
Yes. The XML libraries you are using are notorious for this type of issue. Make
sure you are compiling against the same ones provided with your instance of
Tomcat. And do not include them in your WAR. For example, if you are using
Maven, use <scope>provided</scope> in your <dependency/> element to filter them
out when building your WAR.
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