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Version 3.1 by Pascal Robert on 2007/09/03 19:40
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1 == NullPointerException calling WebService with Axis ==
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3 If you get an exception like the following:
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5 {{panel}}
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7 Caused by: java.lang.NullPointerException
8 at java.util.Hashtable.put(Hashtable.java:396)
9 at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl.setProperty(SAXParserImpl.java:395)
10 at org.apache.axis.encoding.DeserializationContextImpl.parse(DeserializationContextImpl.java:246)
11 at org.apache.axis.SOAPPart.getAsSOAPEnvelope(SOAPPart.java:538)
12 at org.apache.axis.Message.getSOAPEnvelope(Message.java:376)
13 at org.apache.axis.client.Call.invokeEngine(Call.java:2583)
14 at org.apache.axis.client.Call.invoke(Call.java:2553)
15 at org.apache.axis.client.Call.invoke(Call.java:2248)
16 ... 5 more
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18 {{/panel}}
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20 It's most likely because you are using Java 1.5 with Axis 1.1. If you want your client to run on Java 1.5, you will need to upgrade to Axis 1.2RC2.
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22 == Losing Session with Axis Client ==
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24 For more information about cookie-based sessions with Axis clients, read the [[Consuming with Axis in Java>>Programming__WebObjects-Web_Services-Web_Service_Provider||anchor="Consuming_with_Axis_in_Java"]] section.