UpdateManager Error

org.jivesoftware.wildfire.update.UpdateManager$1.run(UpdateManager.java:120) Error checking for updates

org.dom4j.DocumentException: Error on line 4 of document : An invalid XML character (Unicode: 0x1) was found in the value of attribute “name” and element is “plugin”. Nested exception: An invalid XML character (Unicode: 0x1) was found in the value of attribute “name” and element is “plugin”.

at org.dom4j.io.SAXReader.read(SAXReader.java:482)

at org.dom4j.io.SAXReader.read(SAXReader.java:365)

at org.jivesoftware.wildfire.update.UpdateManager.processAvailablePluginsResponse( UpdateManager.java:498)

at org.jivesoftware.wildfire.update.UpdateManager.checkForPluginsUpdates(UpdateMan ager.java:209)

at org.jivesoftware.wildfire.update.UpdateManager$1.run(UpdateManager.java:114)

Nested exception:

org.xml.sax.SAXParseException: An invalid XML character (Unicode: 0x1) was found in the value of attribute “name” and element is “plugin”.

at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.createSAXParseExcep tion(ErrorHandlerWrapper.java:236)

at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.fatalError(ErrorHan dlerWrapper.java:215)

at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(XMLErrorRe porter.java:386)

at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(XMLErrorRe porter.java:316)

at com.sun.org.apache.xerces.internal.impl.XMLScanner.reportFatalError(XMLScanner. java:1438)

at com.sun.org.apache.xerces.internal.impl.XMLScanner.scanAttributeValue(XMLScanne r.java:969)

at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.scanAttribute( XMLNSDocumentScannerImpl.java:578)

at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.scanStartEleme nt(XMLNSDocumentScannerImpl.java:222)

at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$Fragment ContentDispatcher.dispatch(XMLDocumentFragmentScannerImpl.java:1693)

at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocu ment(XMLDocumentFragmentScannerImpl.java:368)

at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Config uration.java:834)

at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Config uration.java:764)

at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:148)

at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXP arser.java:1242)

at org.dom4j.io.SAXReader.read(SAXReader.java:465)

at org.dom4j.io.SAXReader.read(SAXReader.java:365)

at org.jivesoftware.wildfire.update.UpdateManager.processAvailablePluginsResponse( UpdateManager.java:498)

at org.jivesoftware.wildfire.update.UpdateManager.checkForPluginsUpdates(UpdateMan ager.java:209)

at org.jivesoftware.wildfire.update.UpdateManager$1.run(UpdateManager.java:114)

Here is the error.log showing.

Where is the error?

All of the configrue is right.

what happend?

please help!

the same problem as " after plugin update it disabled and unavailable ".