Andy Schmidt created AXIOM-457:
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Summary: java.lang.LinkageError:
"javax/xml/stream/XMLStreamReader" by using
org.apache.axiom.om.impl.llom.OMStAXWrapper
Key: AXIOM-457
URL: https://issues.apache.org/jira/browse/AXIOM-457
Project: Axiom
Issue Type: Bug
Affects Versions: 1.2.14
Reporter: Andy Schmidt
Priority: Critical
Fix For: 1.2.15
I would like to use Axis2 OSGi bundle with Axiom in my OSGI-Runtime.
My setting looks like:
START LEVEL 1
ID|State |Level|Name
0|Active | 0|System Bundle (4.2.1)
5|Active | 1|Apache JAMES Mime4j (Core) (0.7.2)
6|Active | 1|Axiom API (1.2.14)
7|Active | 1|Axiom DOM (1.2.14)
8|Active | 1|Axiom Impl (1.2.14)
9|Active | 1|Apache Commons Codec (1.9.0)
10|Active | 1|Commons FileUpload (1.3.0)
11|Active | 1|Apache Geronimo Bundles: commons-httpclient-3.1 (3.1.0.2)
12|Active | 1|Commons IO (2.4.0)
13|Active | 1|Commons Logging (1.1.3)
14|Active | 1|de.kisters.wab.amigw.hello (5.80.0.SNAPSHOT)
15|Active | 1|Activation 1.1 (1.1.0)
16|Active | 1|JavaMail 1.4 (1.7.1)
17|Active | 1|geronimo-jms_1.1_spec (1.1.1)
18|Active | 1|geronimo-stax-api_1.0_spec (1.0.1)
19|Active | 1|Web Services Metadata 2.0 (1.1.3)
20|Active | 1|Apache HttpClient OSGi bundle (4.2.4)
21|Active | 1|Apache HttpCore OSGi bundle (4.2.4)
22|Active | 1|jsr311-api (1.1.1)
23|Active | 1|Apache Neethi (3.0.2)
24|Active | 1|org.apache.axis2.osgi (1.0.0.2)
25|Active | 1|Apache Felix Bundle Repository (1.6.6)
26|Active | 1|Apache Felix Configuration Admin Service (1.8.0)
27|Active | 1|Apache Felix EventAdmin (1.3.2)
28|Active | 1|Apache Felix Gogo Command (0.12.0)
29|Active | 1|Apache Felix Gogo Runtime (0.10.0)
30|Active | 1|Apache Felix Gogo Shell (0.10.0)
31|Active | 1|Apache Felix Http Jetty (2.2.2)
32|Active | 1|Apache Felix (4.2.1)
33|Active | 1|Apache Felix Metatype Service (1.0.10)
34|Active | 1|Apache Felix Declarative Services (1.8.2)
35|Active | 1|Apache ServiceMix :: Bundles :: wsdl4j (1.6.2.6)
36|Active | 1|Stax2 API (3.1.1)
37|Active | 1|Woden - API (1.0.0)
38|Active | 1|Woden - Commons (1.0.0)
39|Active | 1|Woden - DOM (1.0.0)
40|Active | 1|Woodstox XML-processor (4.2.0)
41|Active | 1|XmlSchema (1.4.7)
After deploying my web application (simple soap hello world test bundle) and
sending a soap request i got that error message:
SEVERE: loader constraint violation: loader (instance of
org/apache/felix/framework/BundleWiringImpl$BundleClassLoaderJava5) previously
initiated loading for a different type with name
"javax/xml/stream/XMLStreamReader"
java.lang.LinkageError: loader constraint violation: loader (instance of
org/apache/felix/framework/BundleWiringImpl$BundleClassLoaderJava5) previously
initiated loading for a different type with name
"javax/xml/stream/XMLStreamReader"
at
com.moodykettle.webservice.helloworld.SayHello$Factory.parse(SayHello.java:354)
at
de.kisters.amigw.mds.web.service.HelloWorldServiceMessageReceiverInOut.fromOM(HelloWorldServiceMessageReceiverInOut.java:138)
at
de.kisters.amigw.mds.web.service.HelloWorldServiceMessageReceiverInOut.invokeBusinessLogic(HelloWorldServiceMessageReceiverInOut.java:43)
at
org.apache.axis2.receivers.AbstractInOutMessageReceiver.invokeBusinessLogic(AbstractInOutMessageReceiver.java:40)
at
org.apache.axis2.receivers.AbstractMessageReceiver.receive(AbstractMessageReceiver.java:114)
at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:181)
at
org.apache.axis2.transport.http.HTTPTransportUtils.processHTTPPostRequest(HTTPTransportUtils.java:172)
at org.apache.axis2.transport.http.AxisServlet.doPost(AxisServlet.java:146)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
at
org.apache.felix.http.base.internal.handler.ServletHandler.doHandle(ServletHandler.java:96)
at
org.apache.felix.http.base.internal.handler.ServletHandler.handle(ServletHandler.java:79)
at
org.apache.felix.http.base.internal.dispatch.ServletPipeline.handle(ServletPipeline.java:42)
at
org.apache.felix.http.base.internal.dispatch.InvocationFilterChain.doFilter(InvocationFilterChain.java:49)
at
org.apache.felix.http.base.internal.dispatch.HttpFilterChain.doFilter(HttpFilterChain.java:33)
at
org.apache.felix.http.base.internal.dispatch.FilterPipeline.dispatch(FilterPipeline.java:48)
at
org.apache.felix.http.base.internal.dispatch.Dispatcher.dispatch(Dispatcher.java:39)
at
org.apache.felix.http.base.internal.DispatcherServlet.service(DispatcherServlet.java:67)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511)
at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:390)
at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)
at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765)
at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
at org.mortbay.jetty.Server.handle(Server.java:326)
at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542)
at
org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:943)
at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:756)
at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:218)
at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)
at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:410)
at
org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582)
I dived deeper into that issue. The class
org.apache.axiom.om.impl.llom.OMStAXWrapper from the Axiom-Impl project
implements the interface XMLStreamReader from package javax.xml.stream.
I looked at the wiring of the OSGi-Runtime. The Axis2 OSGi bundle imports the
javax.xml.stream package in version 1.0 and wires that with the geronimo stax
api bundle, because it exports this package in version 1.0. Axiom-Impl bundle
wires that package with the felix runtime bundle (java vm), because it doesn't
need the version 1.0 explicit. Thats why this error occurs. That could be
resolved if Axiom-Impl exports there packages with using declarations or
imports that package also in version 1.0 from geronimo stax api.
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