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POstrange interaction with Axis & OSGi
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  1. POstrange interaction with Axis & OSGi
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    copied!<p>Here is the scenario:</p> <p>I have 2 bundles with axis 1.4 and it's transitive dependencies embedded in them (they each call a different web service to do their work). </p> <p>It seems that when one loads before the other, the other bundle "loses" with this exception:</p> <pre><code>java.lang.RuntimeException: java.lang.ClassCastException: org.apache.axis.transport.http.HTTPSender cannot be cast to org.apache.axis.Handler </code></pre> <p>I've dug through the axis code a bit and it looks like it is in fact doing some classloading that doesn't jive with OSGi (Class.forName type stuff) but since axis is embedded in both bundles (and each bundle has it's own classloader) I don't see why their would be a problem.</p> <p>Here is more of the exception:</p> <pre><code>Caused by: java.lang.ClassCastException: org.apache.axis.transport.http.HTTPSender cannot be cast to org.apache.axis.Handler at org.apache.axis.AxisFault.makeFault(AxisFault.java:101) at org.apache.axis.client.AxisClient.invoke(AxisClient.java:216) at org.apache.axis.client.Call.invokeEngine(Call.java:2784) at org.apache.axis.client.Call.invoke(Call.java:2767) at org.apache.axis.client.Call.invoke(Call.java:2443) at org.apache.axis.client.Call.invoke(Call.java:2366) at org.apache.axis.client.Call.invoke(Call.java:1812) at com.mycompany.myappname.webserviceclient.MyAppNameWebservicePortBindingStub.getAllSiteInformations(MyAppNameWebservicePortBindingStub.java:1603) at com.mycompany.myappname.webserviceclient.MyAppNameWebserviceProxy.getAllSiteInformations(MyAppNameWebserviceProxy.java:164) at com.mycompany.application.myappnamedisplay.view.MetadataTreeCompositeHolder.buildMetadataTree(MetadataTreeCompositeHolder.java:102) ... 51 more Caused by: java.lang.ClassCastException: org.apache.axis.transport.http.HTTPSender cannot be cast to org.apache.axis.Handler at org.apache.axis.deployment.wsdd.WSDDTargetedChain.makeNewInstance(WSDDTargetedChain.java:157) at org.apache.axis.deployment.wsdd.WSDDDeployableItem.getNewInstance(WSDDDeployableItem.java:274) at org.apache.axis.deployment.wsdd.WSDDDeployableItem.getInstance(WSDDDeployableItem.java:260) at org.apache.axis.deployment.wsdd.WSDDDeployment.getTransport(WSDDDeployment.java:410) at org.apache.axis.configuration.FileProvider.getTransport(FileProvider.java:257) at org.apache.axis.AxisEngine.getTransport(AxisEngine.java:332) at org.apache.axis.client.AxisClient.invoke(AxisClient.java:163) ... 59 more </code></pre> <p>I've googled this quite a bit and I can't seem to find anything - I almost expect to get another tumbleweed badge here, but then again maybe someone has an idea what's going on here?</p> <p>Thanks in advance.</p>
 

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