我得到了这个例外：
javax.xml.stream.XMLStreamException: Attribute not associated with any element
at com.sun.xml.internal.stream.writers.XMLStreamWriterImpl.writeAttribute(Unknown Source)
at de.dhbw.horb.routePlanner.parser.GraphDataParser$2.run(GraphDataParser.java:136)
at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
at java.util.concurrent.FutureTask.run(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)*
从我下面的代码。我只是不明白它来自哪里。
public void writeEdgeXML() throws XMLStreamException {
final long[] idCount = new long[1];
XMLOutputFactory factory = XMLOutputFactory.newInstance();
try {
final XMLStreamWriter writer = factory
.createXMLStreamWriter(new FileOutputStream(
GraphDataConstants.CONST_XML_EDGE), "UTF-8");
writer.writeStartDocument("UTF-8", "1.0");
while (graphSR.hasNext()) {
if (graphSR.nextStartElement() && graphSR.isWay()) {
final Way nextWay = getWay(null);
Controller.executor.getExecutor().submit(new Runnable() {
@Override
public void run() {
while (nextWay != null && nextWay.hasEdge()) {
try {
idCount[0]++;
Edge e = nextWay.removeFirstEdge();
writer.writeStartElement(GraphDataConstants.CONST_EDGE);
writer.writeAttribute(
GraphDataConstants.CONST_EDGE_ID,
String.valueOf(idCount[0]));
writer.writeEmptyElement(GraphDataConstants.CONST_EDGE_NODE);
writer.writeAttribute(
GraphDataConstants.CONST_EDGE_ID,
String.valueOf(e.getStartNode()
.getID()));
writer.writeAttribute(
GraphDataConstants.CONST_EDGE_LATITUDE,
String.valueOf(e.getStartNode()
.getLatitude()));
writer.writeAttribute(
GraphDataConstants.CONST_EDGE_LONGITUDE,
String.valueOf(e.getStartNode()
.getLongitude()));
writer.writeEndElement();
writer.flush();
} catch (XMLStreamException e) {
e.printStackTrace();
}
}
}
});
}
}