Unable to download attachments using axis 1.2 web services when the attachment size is large

[suman mitragupta]

Unable to download attachments using axis 1.2 web services when the attachment size
exceeds around 4 MB.

Can anyone help ? why it is failing for large data in Axis 1.2 ( i am using axis 1.2 not axis2) ?

Following is the stack trace:

Exception in thread "main" java.lang.OutOfMemoryError: Java heap space
at java.lang.String.<init>(Unknown Source)
at java.io.CharArrayWriter.toString(Unknown Source)
at org.apache.axis.message.SOAPHandler.addTextNode(SOAPHandler.java:136)
at org.apache.axis.message.SOAPHandler.endElement(SOAPHandler.java:112)
at org.apache.axis.encoding.DeserializationContext.endElement
(DeserializationContext.java:1087)
at org.apache.xerces.parsers.AbstractSAXParser.endElement(Unknown Source)
at org.apache.xerces.impl.XMLNSDocumentScannerImpl.scanEndElement(Unknown
Source)
at
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.
dispatch(Unknown Source)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown
Source)
at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
at org.apache.xerces.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown Source)
at javax.xml.parsers.SAXParser.parse(Unknown Source)
at org.apache.axis.encoding.DeserializationContext.parse
(DeserializationContext.java:227)
at org.apache.axis.SOAPPart.getAsSOAPEnvelope(SOAPPart.java:696)
at org.apache.axis.Message.getSOAPEnvelope(Message.java:424)
at org.apache.axis.handlers.soap.MustUnderstandChecker.invoke
(MustUnderstandChecker.java:62)
at org.apache.axis.client.AxisClient.invoke(AxisClient.java:206)
at org.apache.axis.client.Call.invokeEngine(Call.java:2765)
at org.apache.axis.client.Call.invoke(Call.java:2748)
at org.apache.axis.client.Call.invoke(Call.java:2424)
at org.apache.axis.client.Call.invoke(Call.java:2347)
at org.apache.axis.client.Call.invoke(Call.java:1804)