I¹ve been trying to get my head around the Netbeans Platform lately.
In straight Java, written within the Netbeans IDE, my Jena programs work
fine.
When I try to use it from a wrapped library in a Netbeans Module in a
Netbeans Platform program however, it crashes.
The code is very straightforward:
public class JenaTool {
Logger logger = Logger.getLogger(JenaTool.class);
Properties properties = new Properties();
File dataLocation;
Model m = ModelFactory.createDefaultModel();
It crashes creating the model with the error below.
I have the relevant imports from the wrapped library. Everything in the
Jena 3.0.0 lib folder is wrapped.
It compiles and fine but crashes as soon as it encounters
Model m = ModelFactory.createDefaultModel();
Is anyone else working with the Netbeans Platform?
Any tips?
SEVERE [global]
java.lang.LinkageError: loader constraint violation in interface itable
initialization: when resolving method
"org.apache.xerces.dom.CoreDocumentImpl.getDoctype()Lorg/w3c/dom/DocumentTyp
e;" the class loader (instance of
org/netbeans/StandardModule$OneModuleClassLoader) of the current class,
org/apache/xerces/dom/CoreDocumentImpl, and the class loader (instance of
<bootloader>) for interface org/w3c/dom/Document have different Class
objects for the type org/w3c/dom/DocumentType used in the signature
at org.apache.xerces.parsers.AbstractDOMParser.startDocument(Unknown Source)
at org.apache.xerces.impl.dtd.XMLDTDValidator.startDocument(Unknown Source)
at org.apache.xerces.impl.XMLDocumentScannerImpl.startEntity(Unknown Source)
at org.apache.xerces.impl.XMLVersionDetector.startDocumentParsing(Unknown
Source)
at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
at org.apache.xerces.parsers.DOMParser.parse(Unknown Source)
at org.apache.xerces.jaxp.DocumentBuilderImpl.parse(Unknown Source)
at
sun.util.xml.PlatformXmlPropertiesProvider.getLoadingDoc(PlatformXmlProperti
esProvider.java:106)
at
sun.util.xml.PlatformXmlPropertiesProvider.load(PlatformXmlPropertiesProvide
r.java:78)
at java.util.Properties$XmlSupport.load(Properties.java:1201)
at java.util.Properties.loadFromXML(Properties.java:881)
at org.apache.jena.util.Metadata.read(Metadata.java:75)
at org.apache.jena.util.Metadata.addMetadata(Metadata.java:53)
at org.apache.jena.util.Metadata.<init>(Metadata.java:47)
at org.apache.jena.JenaRuntime.<clinit>(JenaRuntime.java:89)
at
org.apache.jena.rdf.model.impl.RDFReaderFImpl.reset(RDFReaderFImpl.java:80)
at
org.apache.jena.rdf.model.impl.RDFReaderFImpl.<clinit>(RDFReaderFImpl.java:7
1)
at org.apache.jena.rdf.model.impl.ModelCom.<clinit>(ModelCom.java:53)
at
org.apache.jena.rdf.model.ModelFactory.createDefaultModel(ModelFactory.java:
113)
at info.admoss.jenatool.JenaTool.<init>(JenaTool.java:41)
at
info.admoss.ui.outTopComponent.jButton1MouseReleased(outTopComponent.java:11
3)
at info.admoss.ui.outTopComponent.access$000(outTopComponent.java:40)
at info.admoss.ui.outTopComponent$1.mouseReleased(outTopComponent.java:66)
at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:290)
at java.awt.Component.processMouseEvent(Component.java:6525)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3324)
at java.awt.Component.processEvent(Component.java:6290)
at java.awt.Container.processEvent(Container.java:2234)
at java.awt.Component.dispatchEventImpl(Component.java:4881)
at java.awt.Container.dispatchEventImpl(Container.java:2292)
at java.awt.Component.dispatchEvent(Component.java:4703)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4898)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4533)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4462)
at java.awt.Container.dispatchEventImpl(Container.java:2278)
at java.awt.Window.dispatchEventImpl(Window.java:2750)
at java.awt.Component.dispatchEvent(Component.java:4703)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:758)
at java.awt.EventQueue.access$500(EventQueue.java:97)
at java.awt.EventQueue$3.run(EventQueue.java:709)
at java.awt.EventQueue$3.run(EventQueue.java:703)
at java.security.AccessController.doPrivileged(Native Method)
at
java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.ja
va:75)
at
java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.ja
va:86)
at java.awt.EventQueue$4.run(EventQueue.java:731)
at java.awt.EventQueue$4.run(EventQueue.java:729)
at java.security.AccessController.doPrivileged(Native Method)
at
java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.ja
va:75)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:728)
at
org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:159
)
[catch] at
java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java
:201)
at
java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:11
6)
at
java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java
:105)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)
