, i don't know what is causing trouble but, i found that it works fine if i'm passing object to notifyObservers(Object arg) on the other hand it fails on notifyObservers() at the moment, i'm using December release [may try to upgrade if somebody tell me about any working/stable version] or i'm free to use any version say last nightly version
VINK -----Original Message----- From: Russell Butek [mailto:[EMAIL PROTECTED]] Sent: Monday, March 18, 2002 6:38 PM To: [EMAIL PROTECTED] Subject: Re: Exception on implementing java.util.Observer in WebService A couple things. First, you're getting an exception from the server (SOAPFaultBuilder is trying to build it up). Even though this exception isn't getting to you because of a bug in SOAPFaultBuilder, you can use tcpmon to see that exception. Secondly, what version of AXIS are you running? Line 134 in the current build cannot possibly throw NullPointerException: "if (f == null)". Perhaps your problem has been fixed in a recent build? Russell Butek [EMAIL PROTECTED] "Kumar, Vinay 2" <[EMAIL PROTECTED]> on 03/18/2002 12:47:15 AM Please respond to [EMAIL PROTECTED] To: "'AXIS-USER'" <[EMAIL PROTECTED]> cc: Subject: Exception on implementing java.util.Observer in WebService hello, my client is a Applet in my Web Service i try to implement Observer Interface to watch any change in my Object Store the moment i call function "notifyObservers()" in Class which extends Observable, it has to call the "update(java.util.Observable aObservable, Object aObject)" function in Web Service but, it raises the following exception in Applet: Any comments? suggestions? VINK java.lang.NullPointerException at org.apache.axis.message.SOAPFaultBuilder.endElement(SOAPFaultBuilder.java:13 4) at org.apache.axis.encoding.DeserializationContext.endElement(DeserializationCo ntext.java:671) at org.apache.crimson.parser.Parser2.maybeElement(Parser2.java:1489) at org.apache.crimson.parser.Parser2.content(Parser2.java:1700) at org.apache.crimson.parser.Parser2.maybeElement(Parser2.java:1468) at org.apache.crimson.parser.Parser2.content(Parser2.java:1700) at org.apache.crimson.parser.Parser2.maybeElement(Parser2.java:1468) at org.apache.crimson.parser.Parser2.parseInternal(Parser2.java:499) at org.apache.crimson.parser.Parser2.parse(Parser2.java:304) at org.apache.crimson.parser.XMLReaderImpl.parse(XMLReaderImpl.java:433) at javax.xml.parsers.SAXParser.parse(SAXParser.java:346) at org.apache.axis.encoding.DeserializationContext.parse(DeserializationContext .java:204) at org.apache.axis.SOAPPart.getAsSOAPEnvelope(SOAPPart.java:378) at org.apache.axis.client.Call.invoke(Call.java:1268) at org.apache.axis.client.Call.invoke(Call.java:1113) at org.apache.axis.client.Call.invoke(Call.java:1043) at org.apache.axis.client.Call.invoke(Call.java:676) at GenericApplet.SendCommand(GenericApplet.java:275) at GenericApplet.actionPerformed(GenericApplet.java:194) at javax.swing.AbstractButton.fireActionPerformed(Unknown Source) at javax.swing.AbstractButton$ForwardActionEvents.actionPerformed(Unknown Source) at javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source) at javax.swing.DefaultButtonModel.setPressed(Unknown Source) at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(Unknown Source) at java.awt.AWTEventMulticaster.mouseReleased(Unknown Source) at java.awt.Component.processMouseEvent(Unknown Source) at java.awt.Component.processEvent(Unknown Source) at java.awt.Container.processEvent(Unknown Source) at java.awt.Component.dispatchEventImpl(Unknown Source) at java.awt.Container.dispatchEventImpl(Unknown Source) at java.awt.Component.dispatchEvent(Unknown Source) at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source) at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source) at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source) at java.awt.Container.dispatchEventImpl(Unknown Source) at java.awt.Component.dispatchEvent(Unknown Source) at java.awt.EventQueue.dispatchEvent(Unknown Source) at java.awt.EventDispatchThread.pumpOneEventForHierarchy(Unknown Source) at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source) at java.awt.EventDispatchThread.pumpEvents(Unknown Source) at java.awt.EventDispatchThread.run(Unknown Source)
