[ 
https://issues.apache.org/jira/browse/SLING-5347?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15037609#comment-15037609
 ] 

Oliver Lietz commented on SLING-5347:
-------------------------------------

The attached patch against Launchpad 9-SNAPSHOT removes conflicting bundles and 
adds the ones required for Thymeleaf 2 and a sample application. I had to 
remove support for Subsystems also because of this exception:

{noformat}
Failed to auto configure default logger context
Reported exception:
ch.qos.logback.core.joran.spi.JoranException: Parser configuration error 
occurred
        at 
ch.qos.logback.core.joran.event.SaxEventRecorder.buildSaxParser(SaxEventRecorder.java:88)
        at 
ch.qos.logback.core.joran.event.SaxEventRecorder.recordEvents(SaxEventRecorder.java:59)
        at 
ch.qos.logback.core.joran.GenericConfigurator.doConfigure(GenericConfigurator.java:134)
        at 
ch.qos.logback.core.joran.GenericConfigurator.doConfigure(GenericConfigurator.java:99)
        at 
ch.qos.logback.core.joran.GenericConfigurator.doConfigure(GenericConfigurator.java:49)
        at 
ch.qos.logback.classic.util.ContextInitializer.configureByResource(ContextInitializer.java:75)
        at 
ch.qos.logback.classic.util.ContextInitializer.autoConfig(ContextInitializer.java:150)
        at org.slf4j.impl.StaticLoggerBinder.init(StaticLoggerBinder.java:85)
        at 
org.slf4j.impl.StaticLoggerBinder.<clinit>(StaticLoggerBinder.java:55)
        at org.slf4j.LoggerFactory.bind(LoggerFactory.java:129)
        at org.slf4j.LoggerFactory.performInitialization(LoggerFactory.java:108)
        at org.slf4j.LoggerFactory.getILoggerFactory(LoggerFactory.java:302)
        at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:276)
        at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:288)
        at 
org.apache.aries.subsystem.core.internal.Activator.<clinit>(Activator.java:47)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
        at 
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
        at 
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:422)
        at java.lang.Class.newInstance(Class.java:442)
        at 
org.apache.felix.framework.Felix.createBundleActivator(Felix.java:4474)
        at org.apache.felix.framework.Felix.activateBundle(Felix.java:2221)
        at org.apache.felix.framework.Felix.startBundle(Felix.java:2144)
        at org.apache.felix.framework.Felix.setActiveStartLevel(Felix.java:1371)
        at 
org.apache.felix.framework.FrameworkStartLevelImpl.run(FrameworkStartLevelImpl.java:308)
        at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.ClassCastException: 
com.sun.org.apache.xerces.internal.jaxp.SAXParserFactoryImpl cannot be cast to 
javax.xml.parsers.SAXParserFactory
        at 
javax.xml.parsers.SAXParserFactory.newInstance(SAXParserFactory.java:115)
        at 
ch.qos.logback.core.joran.event.SaxEventRecorder.buildSaxParser(SaxEventRecorder.java:81)
        ... 25 more
{noformat}

[~bosschaert], have you seen this before?

[~hzimpel], you may want to try current Sling Scripting Thymeleaf snapshot 
which uses Thymeleaf 3 and Attoparser 2 (no more XML spec/parser problems).

> java.lang.NoClassDefFoundError: org/w3c/dom/ElementTraversal
> ------------------------------------------------------------
>
>                 Key: SLING-5347
>                 URL: https://issues.apache.org/jira/browse/SLING-5347
>             Project: Sling
>          Issue Type: Bug
>          Components: Scripting
>    Affects Versions: Scripting Thymeleaf 0.0.6
>         Environment: Sling Launchpad 8
>            Reporter: Helge-Frank Zimpel
>            Assignee: Oliver Lietz
>         Attachments: SLING-5347.patch
>
>
> See https://issues.apache.org/jira/browse/SLING-4425. I've tried to remove 
> {{org.apache.sling.fragment.xml}} and replace it with 
> {{org.apache.servicemix.specs/org.apache.servicemix.specs.jaxp-api-1.4/2.4.0}}
>  using {{Sling Launchpad 8}}. This results into incompatibilities after 
> restarting Sling:
> Reported exception:
> ch.qos.logback.core.joran.spi.JoranException: Parser configuration error 
> occurred
>       at 
> ch.qos.logback.core.joran.event.SaxEventRecorder.buildSaxParser(SaxEventRecorder.java:88)
>       at 
> ch.qos.logback.core.joran.event.SaxEventRecorder.recordEvents(SaxEventRecorder.java:59)
>       at 
> ch.qos.logback.core.joran.GenericConfigurator.doConfigure(GenericConfigurator.java:134)
>       at 
> ch.qos.logback.core.joran.GenericConfigurator.doConfigure(GenericConfigurator.java:99)
>       at 
> ch.qos.logback.core.joran.GenericConfigurator.doConfigure(GenericConfigurator.java:49)
>       at 
> ch.qos.logback.classic.util.ContextInitializer.configureByResource(ContextInitializer.java:75)
>       at 
> ch.qos.logback.classic.util.ContextInitializer.autoConfig(ContextInitializer.java:150)
>       at org.slf4j.impl.StaticLoggerBinder.init(StaticLoggerBinder.java:85)
>       at 
> org.slf4j.impl.StaticLoggerBinder.<clinit>(StaticLoggerBinder.java:55)
>       at org.slf4j.LoggerFactory.bind(LoggerFactory.java:129)
>       at org.slf4j.LoggerFactory.performInitialization(LoggerFactory.java:108)
>       at org.slf4j.LoggerFactory.getILoggerFactory(LoggerFactory.java:302)
>       at 
> org.apache.sling.commons.log.logback.internal.Activator.isSlf4jInitialized(Activator.java:108)
>       at 
> org.apache.sling.commons.log.logback.internal.Activator.start(Activator.java:54)
>       at 
> org.apache.felix.framework.util.SecureAction.startActivator(SecureAction.java:697)
>       at org.apache.felix.framework.Felix.activateBundle(Felix.java:2220)
>       at org.apache.felix.framework.Felix.startBundle(Felix.java:2138)
>       at org.apache.felix.framework.Felix.setActiveStartLevel(Felix.java:1365)
>       at 
> org.apache.felix.framework.FrameworkStartLevelImpl.run(FrameworkStartLevelImpl.java:308)
>       at java.lang.Thread.run(Thread.java:724)
> Caused by: java.lang.ClassCastException: 
> com.sun.org.apache.xerces.internal.jaxp.SAXParserFactoryImpl cannot be cast 
> to javax.xml.parsers.SAXParserFactory
>       at 
> javax.xml.parsers.SAXParserFactory.newInstance(SAXParserFactory.java:115)
>       at 
> ch.qos.logback.core.joran.event.SaxEventRecorder.buildSaxParser(SaxEventRecorder.java:81)
>       ... 19 more



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