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From "toby cabot (JIRA)" <axis-...@ws.apache.org>
Subject [jira] Created: (AXIS-2189) empty boolean attribute -> NPE
Date Tue, 23 Aug 2005 14:14:08 GMT
empty boolean attribute -> NPE
------------------------------

         Key: AXIS-2189
         URL: http://issues.apache.org/jira/browse/AXIS-2189
     Project: Apache Axis
        Type: Bug
  Components: Serialization/Deserialization  
    Versions: 1.2.1    
 Environment: Fedora Core 2
Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.2_06-b03)

    Reporter: toby cabot
    Priority: Minor


If a document has a boolean attribute, an empty instance of that attribute will trigger a
NullPointerException during deserialization.  For example, one of the schemas I use has

<attribute name="reportIfEmpty" type="xsd:boolean" default="false" />

If the inbound document contains

    <reportSpec reportIfEmpty="" reportName="1" reportOnlyOnChange="false">

then I get        

{http://xml.apache.org/axis/}stackTrace:java.lang.NullPointerException
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:324)
        at org.apache.axis.utils.BeanPropertyDescriptor.set(BeanPropertyDescriptor.java:142)
        at org.apache.axis.encoding.ser.BeanDeserializer.onStartElement(BeanDeserializer.java:464)
        at org.apache.axis.encoding.DeserializerImpl.startElement(DeserializerImpl.java:393)
        at org.apache.axis.encoding.ser.BeanDeserializer.startElement(BeanDeserializer.java:154)
        at org.apache.axis.encoding.DeserializationContext.startElement(DeserializationContext.java:1048)
        at org.apache.axis.message.SAX2EventRecorder.replay(SAX2EventRecorder.java:165)
        at org.apache.axis.message.MessageElement.publishToHandler(MessageElement.java:1141)
        at org.apache.axis.message.RPCElement.deserialize(RPCElement.java:236)
        at org.apache.axis.message.RPCElement.getParams(RPCElement.java:384)
        at org.apache.axis.providers.java.RPCProvider.processMessage(RPCProvider.java:148)
        at org.apache.axis.providers.java.JavaProvider.invoke(JavaProvider.java:323)
        at org.apache.axis.strategies.InvocationStrategy.visit(InvocationStrategy.java:32)
        at org.apache.axis.SimpleChain.doVisiting(SimpleChain.java:118)
        at org.apache.axis.SimpleChain.invoke(SimpleChain.java:83)
        at org.apache.axis.handlers.soap.SOAPService.invoke(SOAPService.java:453)
        at org.apache.axis.server.AxisServer.invoke(AxisServer.java:281)
        at org.apache.axis.transport.http.AxisServlet.doPost(AxisServlet.java:699)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:615)
        at org.apache.axis.transport.http.AxisServletBase.service(AxisServletBase.java:327)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:688)
        at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:427)
        at org.apache.geronimo.jetty.JettyServletHolder.handle(JettyServletHolder.java:100)
        at org.mortbay.jetty.servlet.WebApplicationHandler$CachedChain.doFilter(WebApplicationHandler.java:832)
        at org.mortbay.jetty.servlet.JSR154Filter.doFilter(JSR154Filter.java:171)
        at org.mortbay.jetty.servlet.WebApplicationHandler$CachedChain.doFilter(WebApplicationHandler.java:823)
        at org.mortbay.jetty.servlet.WebApplicationHandler.dispatch(WebApplicationHandler.java:473)
        at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:567)
        at org.mortbay.http.HttpContext.handle(HttpContext.java:1565)
        at org.mortbay.jetty.servlet.WebApplicationContext.handle(WebApplicationContext.java:623)
        at org.mortbay.http.HttpContext.handle(HttpContext.java:1517)
        at org.mortbay.http.HttpServer.service(HttpServer.java:954)
        at org.mortbay.http.HttpConnection.service(HttpConnection.java:814)
        at org.mortbay.http.HttpConnection.handleNext(HttpConnection.java:981)
        at org.mortbay.http.HttpConnection.handle(HttpConnection.java:831)
        at org.mortbay.http.SocketListener.handleConnection(SocketListener.java:244)
        at org.mortbay.util.ThreadedServer.handle(ThreadedServer.java:357)
        at org.mortbay.util.ThreadPool$PoolThread.run(ThreadPool.java:534)


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