Spring WS MTOM OutOfMemoryError

[ChrisHowell]

Hello,

I'm having problems uploading large attachments using Spring WS 2, Axiom and MTOM.

It appears that when unmarshalling the request the StaxStreamConnector is ignoring the fact that it's an MTOM attachment and still trying to buffer the attatchment as Characters.

The Stack Trace I get when performing the upload is:

java.lang.OutOfMemoryError: Requested array size exceeds VM limit
at java.lang.AbstractStringBuilder.<init>(AbstractStringBuilder.java:44)
at java.lang.StringBuffer.<init>(StringBuffer.java:92)
at org.apache.axiom.util.base64.Base64Utils.encode(Base64Utils.java:74)
at org.apache.axiom.om.impl.llom.OMTextImpl.getText(OMTextImpl.java:264)
at org.apache.axiom.om.impl.SwitchingWrapper.getTextFromNode(SwitchingWrapper.java:430)
at org.apache.axiom.om.impl.SwitchingWrapper.getTextCharacters(SwitchingWrapper.java:409)
at javax.xml.stream.util.StreamReaderDelegate.getTextCharacters(StreamReaderDelegate.java:188)
at com.sun.xml.bind.v2.runtime.unmarshaller.StAXStreamConnector.handleCharacters(StAXStreamConnector.java:328)
at com.sun.xml.bind.v2.runtime.unmarshaller.StAXStreamConnector.bridge(StAXStreamConnector.java:192)
at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallerImpl.unmarshal0(UnmarshallerImpl.java:366)
at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallerImpl.unmarshal(UnmarshallerImpl.java:338)
at org.springframework.oxm.jaxb.Jaxb2Marshaller.unmarshalStaxSource(Jaxb2Marshaller.java:592)
at org.springframework.oxm.jaxb.Jaxb2Marshaller.unmarshal(Jaxb2Marshaller.java:578)
at org.springframework.ws.support.MarshallingUtils.unmarshal(MarshallingUtils.java:62)
at org.springframework.ws.server.endpoint.AbstractMarshallingPayloadEndpoint.unmarshalRequest(AbstractMarshallingPayloadEndpoint.java:145)
at org.springframework.ws.server.endpoint.AbstractMarshallingPayloadEndpoint.invoke(AbstractMarshallingPayloadEndpoint.java:131)
at org.springframework.ws.server.endpoint.adapter.MessageEndpointAdapter.invoke(MessageEndpointAdapter.java:41)
at org.springframework.ws.server.MessageDispatcher.dispatch(MessageDispatcher.java:230)
at org.springframework.ws.server.MessageDispatcher.receive(MessageDispatcher.java:172)
at org.springframework.ws.transport.support.WebServiceMessageReceiverObjectSupport.handleConnection(WebServiceMessageReceiverObjectSupport.java:88)
at org.springframework.ws.transport.http.WebServiceMessageReceiverHandlerAdapter.handle(WebServiceMessageReceiverHandlerAdapter.java:57)
at org.springframework.ws.transport.http.MessageDispatcherServlet.doService(MessageDispatcherServlet.java:222)
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:644)
at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:560)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:763)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
at com.evermind[Oracle Containers for J2EE 10g (10.1.3.0.0) ].server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:719)
at com.evermind[Oracle Containers for J2EE 10g (10.1.3.0.0) ].server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:376)
at com.evermind[Oracle Containers for J2EE 10g (10.1.3.0.0) ].server.http.HttpRequestHandler.doProcessRequest(HttpRequestHandler.java:870)
at com.evermind[Oracle Containers for J2EE 10g (10.1.3.0.0) ].server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:451)
at com.evermind[Oracle Containers for J2EE 10g (10.1.3.0.0) ].server.http.HttpRequestHandler.serveOneRequest(HttpRequestHandler.java:218)
at com.evermind[Oracle Containers for J2EE 10g (10.1.3.0.0) ].server.http.HttpRequestHandler.run(HttpRequestHandler.java:119)

I did notice that Axiom's OMXMLStreamReader has a flag isInlineMTOM which decides whether the attachment is inlined as Text, or passed back as an XOP_INCLUDE (this flag is actually deprecated, in favour of using an XOPEncodingStreamReader) should there be a way to specify the use of this type of reader within Spring, or am I missing something?!

Thanks in advance for any pointers you can provide,

Chris

[ChrisHowell]

Does anyone have any views on this yet?

Thanks,

Chris

[mada]

Spring WS & streaming attachment doesnt work.If im wrong im still waiting for a proof of concept with a file of 100mo without outOfMemory, not in request ANd response.
IN request i can dot it.
I have try everything : Axiom, Saaj, axiom compatible Saaj. Axiom doesnt supports Mtom correctly & my last try the most concluant is to use the last saaj api not of the jdk. It streams nicely because it is saved on file but you have to clean the temp directory from times to time.