Hi all!
I am using xmlrpc 3.0b1 quite extensively the last week, but I must say
that it throws quite a lot of exceptions, quite regularly.
I am not pushing the protocol with like 100 calls per second, but I have
something like 5 calls per second in the worst case.
Exceptions I get a lot:
On the server ******************************************************
25-jul-2006 12:02:57 org.apache.xmlrpc.server.XmlRpcStreamServer execute
SEVERE: execute: Error while performing request
org.apache.xmlrpc.XmlRpcException: Failed to parse XML-RPC request: The
root element is required in a well-formed document.
at
org.apache.xmlrpc.server.XmlRpcStreamServer.getRequest(XmlRpcStreamServe
r.java:66)
at
org.apache.xmlrpc.server.XmlRpcStreamServer.execute(XmlRpcStreamServer.j
ava:181)
at
org.apache.xmlrpc.webserver.Connection.run(Connection.java:175)
at
org.apache.xmlrpc.util.ThreadPool$MyThread.runTask(ThreadPool.java:71)
at
org.apache.xmlrpc.util.ThreadPool$MyThread.run(ThreadPool.java:87)
Caused by:
org.xml.sax.SAXParseException: The root element is required in a
well-formed document.
at
org.apache.xerces.framework.XMLParser.reportError(XMLParser.java:1213)
at
org.apache.xerces.framework.XMLDocumentScanner.reportFatalXMLError(XMLDo
cumentScanner.java:570)
at
org.apache.xerces.framework.XMLDocumentScanner$XMLDeclDispatcher.endOfIn
put(XMLDocumentScanner.java:790)
at
org.apache.xerces.framework.XMLDocumentScanner.endOfInput(XMLDocumentSca
nner.java:418)
at
org.apache.xerces.validators.common.XMLValidator.sendEndOfInputNotificat
ions(XMLValidator.java:712)
at
org.apache.xerces.readers.DefaultEntityHandler.changeReaders(DefaultEnti
tyHandler.java:1031)
at
org.apache.xerces.readers.XMLEntityReader.changeReaders(XMLEntityReader.
java:168)
at
org.apache.xerces.readers.UTF8Reader.changeReaders(UTF8Reader.java:182)
at
org.apache.xerces.readers.UTF8Reader.lookingAtChar(UTF8Reader.java:197)
at
org.apache.xerces.framework.XMLDocumentScanner$XMLDeclDispatcher.dispatc
h(XMLDocumentScanner.java:686)
at
org.apache.xerces.framework.XMLDocumentScanner.parseSome(XMLDocumentScan
ner.java:381)
at
org.apache.xerces.framework.XMLParser.parse(XMLParser.java:1098)
at
org.apache.xmlrpc.server.XmlRpcStreamServer.getRequest(XmlRpcStreamServe
r.java:60)
at
org.apache.xmlrpc.server.XmlRpcStreamServer.execute(XmlRpcStreamServer.j
ava:181)
at
org.apache.xmlrpc.webserver.Connection.run(Connection.java:175)
at
org.apache.xmlrpc.util.ThreadPool$MyThread.runTask(ThreadPool.java:71)
at
org.apache.xmlrpc.util.ThreadPool$MyThread.run(ThreadPool.java:87)
********************************************************************
While this gives at the client *************************************
[Fatal Error] :-1:-1: Premature end of file.
Exception: org.apache.xmlrpc.client.XmlRpcClientException: Failed to
parse servers response: Premature end of file.
********************************************************************
Another exception which is thrown quite often is:
On the server ******************************************************
25-jul-2006 12:14:07 org.apache.xmlrpc.webserver.WebServer log
SEVERE: GET
org.apache.xmlrpc.webserver.Connection$BadRequestException: GET
at
org.apache.xmlrpc.webserver.Connection.getRequestConfig(Connection.java:
139)
at
org.apache.xmlrpc.webserver.Connection.run(Connection.java:171)
at
org.apache.xmlrpc.util.ThreadPool$MyThread.runTask(ThreadPool.java:71)
at
org.apache.xmlrpc.util.ThreadPool$MyThread.run(ThreadPool.java:87)
********************************************************************
Can you maybe tell me what the limits of the protocol are?
Or what causes these errors and if there might be a solution or
workaround?
Greetz
p.
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