我正在尝试创建一个xml文件.当我创建该文件时,出现此错误.
我真的不知道这是什么.这是一个非常奇怪的错误.文件创建正确,但是里面没有任何内容.
Exception in thread "AWT-EventQueue-0" java.lang.AbstractMethodError: gnu.xml.dom.DomDocument.getXmlStandalone()Z
at com.sun.org.apache.xalan.internal.xsltc.trax.DOM2TO.setDocumentInfo(DOM2TO.java:377)
at com.sun.org.apache.xalan.internal.xsltc.trax.DOM2TO.parse(DOM2TO.java:131)
at com.sun.org.apache.xalan.internal.xsltc.trax.DOM2TO.parse(DOM2TO.java:98)
at com.sun.org.apache.xalan.internal.xsltc.trax.TransformerImpl.transformIdentity(TransformerImpl.java:683)
at com.sun.org.apache.xalan.internal.xsltc.trax.TransformerImpl.transform(TransformerImpl.java:727)
at com.sun.org.apache.xalan.internal.xsltc.trax.TransformerImpl.transform(TransformerImpl.java:340)
at org.w3c.jigmonitor.controller.Controller.writePerformancesXmlFile(Controller.java:191)
at org.w3c.jigmonitor.controller.Controller.actionPerformed(Controller.java:68)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2018)
at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2341)
at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:402)
at javax.swing.DefaultButtonModel.setpressed(DefaultButtonModel.java:259)
at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:252)
at java.awt.Component.processMouseEvent(Component.java:6505)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3321)
at java.awt.Component.processEvent(Component.java:6270)
at java.awt.Container.processEvent(Container.java:2229)
at java.awt.Component.dispatchEventImpl(Component.java:4861)
at java.awt.Container.dispatchEventImpl(Container.java:2287)
at java.awt.Component.dispatchEvent(Component.java:4687)
at java.awt.Lightweightdispatcher.retargetMouseEvent(Container.java:4832)
at java.awt.Lightweightdispatcher.processMouseEvent(Container.java:4492)
at java.awt.Lightweightdispatcher.dispatchEvent(Container.java:4422)
at java.awt.Container.dispatchEventImpl(Container.java:2273)
at java.awt.Window.dispatchEventImpl(Window.java:2719)
at java.awt.Component.dispatchEvent(Component.java:4687)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:703)
at java.awt.EventQueue.access$000(EventQueue.java:102)
at java.awt.EventQueue$3.run(EventQueue.java:662)
at java.awt.EventQueue$3.run(EventQueue.java:660)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:87)
at java.awt.EventQueue$4.run(EventQueue.java:676)
at java.awt.EventQueue$4.run(EventQueue.java:674)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:673)
at java.awt.EventdispatchThread.pumpOneEventForFilters(EventdispatchThread.java:244)
at java.awt.EventdispatchThread.pumpEventsForFilter(EventdispatchThread.java:163)
at java.awt.EventdispatchThread.pumpEventsForHierarchy(EventdispatchThread.java:151)
at java.awt.EventdispatchThread.pumpEvents(EventdispatchThread.java:147)
at java.awt.EventdispatchThread.pumpEvents(EventdispatchThread.java:139)
at java.awt.EventdispatchThread.run(EventdispatchThread.java:97)
DocumentBuilderFactory docFactory = DocumentBuilderFactory.newInstance();
DocumentBuilder docBuilder = docFactory.newDocumentBuilder();
Document doc = docBuilder.newDocument();
Element rootElement = doc.createElement("performances");
doc.appendChild(rootElement);
Attr attr = doc.createAttribute("date");
attr.setValue(dateFormat.format(cal.getTime()).toString());
rootElement.setAttributeNode(attr);
//Uptime
Element uptime = doc.createElement("uptime");
rootElement.appendChild(uptime);
Element days = doc.createElement("days");
days.appendChild(doc.createTextNode(new Long(duptime).toString()));
uptime.appendChild(days);
Element hours = doc.createElement("hours");
hours.appendChild(doc.createTextNode(new Long(huptime).toString()));
uptime.appendChild(hours);
Element minutes = doc.createElement("minutes");
minutes.appendChild(doc.createTextNode(new Long(muptime).toString()));
uptime.appendChild(minutes);
Element seconds = doc.createElement("seconds");
seconds.appendChild(doc.createTextNode(new Long(suptime).toString()));
uptime.appendChild(seconds);
//TotalHitCount
Element totalhitcount = doc.createElement("totalhitcount");
totalhitcount.appendChild(doc.createTextNode(new Long(stats.gettotal_hit_count()).toString()));
rootElement.appendChild(totalhitcount);
//EmittedBytes
Element emittedbytes = doc.createElement("emittedbytes");
emittedbytes.appendChild(doc.createTextNode(new Long(stats.getemitted_bytes()).toString()));
rootElement.appendChild(emittedbytes);
//Avghitsec
Element avghitsec = doc.createElement("avghitsec");
avghitsec.appendChild(doc.createTextNode(new Float(stats.getavg_hit_sec()).toString()));
rootElement.appendChild(avghitsec);
//Avgbyteshit
Element avgbyteshit = doc.createElement("avgbyteshit");
avgbyteshit.appendChild(doc.createTextNode(new Long(stats.getavgbytes_hit()).toString()));
rootElement.appendChild(avgbyteshit);
//Avgbps
Element avgbps = doc.createElement("avgbps");
avgbps.appendChild(doc.createTextNode(new Long(stats.getavgbps()).toString()));
rootElement.appendChild(avgbps);
//Total Threads
Element totalthreads = doc.createElement("totalthreads");
totalthreads.appendChild(doc.createTextNode(new Long(stats.gettotal_threads()).toString()));
rootElement.appendChild(totalthreads);
//Idle Threads
Element idlethreads = doc.createElement("idlethreads");
idlethreads.appendChild(doc.createTextNode(new Long(stats.getidle_threads()).toString()));
rootElement.appendChild(idlethreads);
TransformerFactory transformerFactory = TransformerFactory.newInstance();
Transformer transfomer = transformerFactory.newTransformer();
DOMSource source = new DOMSource(doc);
StreamResult result = new StreamResult(new File("/home/mazzy/Scrivania/perfor_"+dateFormat.format(cal.getTime()).toString()+".xml"));
transfomer.transform(source, result);
我在transfomer method中遇到了异常.知道我得到了什么错误吗?
解决方法:
这是某种配置问题,是由于您在编译代码时与在运行时在类路径上的代码不同而在类路径上使用了不同的JAR所致.
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