Jerry Cwiklik created UIMA-5791:
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Summary: UIMA-AS: fix client SAXParseException when deserializing
metadata
Key: UIMA-5791
URL: https://issues.apache.org/jira/browse/UIMA-5791
Project: UIMA
Issue Type: Bug
Components: Async Scaleout
Reporter: Jerry Cwiklik
Assignee: Jerry Cwiklik
Fix For: 2.10.4AS
XML parser fails with SAXParseException when trying to deserialize service
metadata. The scenario which causes the error is:
UIMA-AS client running on windows
Service runs on linux
The client sends getMeta request and receives a response from a service. The
client tries to deserialize the meta and gets:
Jun 06, 2018 2:25:10 PM
org.apache.uima.adapter.jms.client.BaseUIMAAsynchronousEngineCommon_impl$2
onMessageWARNING: org.apache.uima.util.InvalidXMLException: Invalid descriptor
at <unknown source>.at
org.apache.uima.util.impl.XMLParser_impl.parse(XMLParser_impl.java:219)at
org.apache.uima.util.impl.XMLParser_impl.parseResourceMetaData(XMLParser_impl.java:438)at
org.apache.uima.util.impl.XMLParser_impl.parseResourceMetaData(XMLParser_impl.java:420)at
org.apache.uima.adapter.jms.client.BaseUIMAAsynchronousEngineCommon_impl.handleMetadataReply(BaseUIMAAsynchronousEngineCommon_impl.java:1178)at
org.apache.uima.adapter.jms.client.BaseUIMAAsynchronousEngineCommon_impl$2.run(BaseUIMAAsynchronousEngineCommon_impl.java:2065)at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1160)at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)at
java.lang.Thread.run(Thread.java:811)Caused by: org.xml.sax.SAXParseException:
Invalid byte 1 of 1-byte UTF-8 sequence.at
org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)at
org.apache.xerces.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown Source)at
org.apache.uima.util.impl.XMLParser_impl.parse(XMLParser_impl.java:202)... 7
more
A workaround for the above was to set: -D"file.encoding-UTF-8" on the client.
Review the code and provided a fix. Perhaps XML InputSource has a way to set
encoding. The default should be UTF-8. Seems like we need a new uima-as a new
property (or command line arg) to override the default in case a user needs
different encoding.
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