when deal with a response header, an infinite loop occurs
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Key: CAMEL-987
URL: https://issues.apache.org/activemq/browse/CAMEL-987
Project: Apache Camel
Issue Type: Bug
Affects Versions: 1.4.0
Environment: operating system: windows 2000
software platform: apache-camel-1.4.0 + apache-cxf-2.1.1
Reporter: Sky Wang
Attachments: camel-context.xml, sre.wsdl
I use apache-camel-1.4.0 and apache-cxf-2.1.1 in my application.
My application is a web service application.Which receive a soap header + soap
body, and then response a soap header + soap body.
I use WSDLToJava tool to create the java code from wsdl, it creates an
interface for me as follow:
@WebService(targetNamespace = "http://com.aspire/";, name = "SreServicePortType")
@XmlSeeAlso({aspire.com.xsd.ObjectFactory.class})
@SOAPBinding(parameterStyle = SOAPBinding.ParameterStyle.BARE)
public interface SreServicePortType {
/*
*
*/
@SOAPBinding(parameterStyle = SOAPBinding.ParameterStyle.BARE)
@WebMethod
public void serviceContentFetchReq(
@WebParam(partName = "request", name = "serviceContentFetchReq",
targetNamespace = "http://com.aspire/xsd";)
aspire.com.xsd.ServiceContentFetchReq request,
@WebParam(partName = "requestHeader", name = "serviceHeader",
targetNamespace = "http://com.aspire/xsd";, header = true)
aspire.com.xsd.ServiceHeader requestHeader,
@WebParam(partName = "response", mode = WebParam.Mode.OUT, name =
"serviceContentFetchReqResponse", targetNamespace = "http://com.aspire/xsd";)
javax.xml.ws.Holder<aspire.com.xsd.ServiceContentFetchReqResponse>
response,
@WebParam(partName = "responseHeader", mode = WebParam.Mode.OUT, name =
"serviceHeader", targetNamespace = "http://com.aspire/xsd";, header = true)
javax.xml.ws.Holder<aspire.com.xsd.ServiceHeader> responseHeader
);
}
Then, I implement the routing rules in the xml file:
<process ref="ipValidateProcessor" />
<choice>
<when>
<!-- First predicate -->
<el>${in.headers.IP_VALIDATE_RESULT == 'true'}</el>
<to uri="cxf:bean:serviceEndpoint" />
<process ref="responseProcessor" />
</when>
<otherwise>
<process ref="invalidIPProcessor" />
</otherwise>
</choice>
In the ipValidateProcessor, I set in.headers.IP_VALIDATE_RESULT = false, so
the invalidIPProcessor will run.In the invalidIPProcessor, I only need set
response body and response header.
I have traced the exchange object in the processor, the exchange.out element is
null, and the exchange.in element is a CxfMessage object. The exchange.in.body
element is a MessageContentList object: Object[0] is a ServiceContentFetchReq ,
Object[1] is a ServiceHeader, Object[2] is a Holder<T>, Object[3] is a
Holder<T>.
So i put response body into Object[2], and put response header into Object[3]:
org.apache.camel.Message in = exchange.getIn();
List inBody = (List) in.getBody();
Holder holderBody = (Holder)inBody.get(2);
holderBody .value = body;// body is a ServiceContentFetchReqResponse
object
Holder holderHeader = (Holder)inBody.get(3);
holderHeader .value = header;//header is a ServiceHeader object
But, when I run the application, I got an Exception:java.lang.OutOfMemoryError:
Java heap space.
I debuged into program, there is an Infinite Loop occured at the
org.apache.cxf.jaxws.interceptors.HolderOutInterceptor(72):
for (int x = 0; x < inObjects.size(); x++) {
Object o = inObjects.get(x);
if (o instanceof Holder) {
outObjects.set(x + 1, o);
}
}
I have traced and found: inObjects == outObjects is true, which leads to an
Infinite Loop.
Stack trace:
2008-10-14 9:40:19 sun.reflect.NativeMethodAccessorImpl invoke0
严重: EXCEPTION
java.lang.OutOfMemoryError: Java heap space
2008-10-14 9:40:19 org.apache.cxf.phase.PhaseInterceptorChain doIntercept
信息: Interceptor has thrown exception, unwinding now
org.apache.cxf.binding.soap.SoapFault: Error reading XMLStreamReader.
at
org.apache.cxf.binding.soap.interceptor.ReadHeadersInterceptor.handleMessage(ReadHeadersInterceptor.java:183)
at
org.apache.cxf.binding.soap.interceptor.ReadHeadersInterceptor.handleMessage(ReadHeadersInterceptor.java:54)
at
org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:221)
at org.apache.cxf.endpoint.ClientImpl.onMessage(ClientImpl.java:449)
at
org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.handleResponse(HTTPConduit.java:1996)
at
org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.close(HTTPConduit.java:1832)
at org.apache.cxf.transport.AbstractConduit.close(AbstractConduit.java:66)
at org.apache.cxf.transport.http.HTTPConduit.close(HTTPConduit.java:591)
at
org.apache.cxf.interceptor.MessageSenderInterceptor$MessageSenderEndingInterceptor.handleMessage(MessageSenderInterceptor.java:62)
at
org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:221)
at org.apache.cxf.endpoint.ClientImpl.invoke(ClientImpl.java:296)
at org.apache.cxf.endpoint.ClientImpl.invoke(ClientImpl.java:242)
at org.apache.cxf.frontend.ClientProxy.invokeSync(ClientProxy.java:73)
at org.apache.cxf.jaxws.JaxWsClientProxy.invoke(JaxWsClientProxy.java:178)
at $Proxy48.serviceContentFetchReq(Unknown Source)
at com.aspire.archtype.camel.Client.invoke(Client.java:77)
at com.aspire.archtype.camel.spring.Main.main(Main.java:19)
Caused by: com.ctc.wstx.exc.WstxEOFException: Unexpected EOF in prolog
at [row,col {unknown-source}]: [1,0]
at com.ctc.wstx.sr.StreamScanner.throwUnexpectedEOF(StreamScanner.java:661)
at com.ctc.wstx.sr.BasicStreamReader.handleEOF(BasicStreamReader.java:2134)
at
com.ctc.wstx.sr.BasicStreamReader.nextFromProlog(BasicStreamReader.java:2040)
at com.ctc.wstx.sr.BasicStreamReader.next(BasicStreamReader.java:1069)
at com.ctc.wstx.sr.BasicStreamReader.nextTag(BasicStreamReader.java:1095)
at
org.apache.cxf.binding.soap.interceptor.ReadHeadersInterceptor.handleMessage(ReadHeadersInterceptor.java:83)
... 16 more
javax.xml.ws.soap.SOAPFaultException: Error reading XMLStreamReader.
at org.apache.cxf.jaxws.JaxWsClientProxy.invoke(JaxWsClientProxy.java:199)
at $Proxy48.serviceContentFetchReq(Unknown Source)
at com.aspire.archtype.camel.Client.invoke(Client.java:77)
at com.aspire.archtype.camel.spring.Main.main(Main.java:19)
Caused by: org.apache.cxf.binding.soap.SoapFault: Error reading
XMLStreamReader.
at
org.apache.cxf.binding.soap.interceptor.ReadHeadersInterceptor.handleMessage(ReadHeadersInterceptor.java:183)
at
org.apache.cxf.binding.soap.interceptor.ReadHeadersInterceptor.handleMessage(ReadHeadersInterceptor.java:54)
at
org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:221)
at org.apache.cxf.endpoint.ClientImpl.onMessage(ClientImpl.java:449)
at
org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.handleResponse(HTTPConduit.java:1996)
at
org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.close(HTTPConduit.java:1832)
at org.apache.cxf.transport.AbstractConduit.close(AbstractConduit.java:66)
at org.apache.cxf.transport.http.HTTPConduit.close(HTTPConduit.java:591)
at
org.apache.cxf.interceptor.MessageSenderInterceptor$MessageSenderEndingInterceptor.handleMessage(MessageSenderInterceptor.java:62)
at
org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:221)
at org.apache.cxf.endpoint.ClientImpl.invoke(ClientImpl.java:296)
at org.apache.cxf.endpoint.ClientImpl.invoke(ClientImpl.java:242)
at org.apache.cxf.frontend.ClientProxy.invokeSync(ClientProxy.java:73)
at org.apache.cxf.jaxws.JaxWsClientProxy.invoke(JaxWsClientProxy.java:178)
... 3 more
Caused by: com.ctc.wstx.exc.WstxEOFException: Unexpected EOF in prolog
at [row,col {unknown-source}]: [1,0]
at com.ctc.wstx.sr.StreamScanner.throwUnexpectedEOF(StreamScanner.java:661)
at com.ctc.wstx.sr.BasicStreamReader.handleEOF(BasicStreamReader.java:2134)
at
com.ctc.wstx.sr.BasicStreamReader.nextFromProlog(BasicStreamReader.java:2040)
at com.ctc.wstx.sr.BasicStreamReader.next(BasicStreamReader.java:1069)
at com.ctc.wstx.sr.BasicStreamReader.nextTag(BasicStreamReader.java:1095)
at
org.apache.cxf.binding.soap.interceptor.ReadHeadersInterceptor.handleMessage(ReadHeadersInterceptor.java:83)
... 16 more
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