Apache Xerces2 J

Poor performance / OutOfMemoryError for sequences, choices and nested with large minOccurs/maxOccurs

Changing maxOccurs=unbounded to some finite number throws OOM in JVM

There were some improvements made for special cases, but in general large maxOccurs can cause an OOM and is a known limitation, tracked by this JIRA issue: https://issues.apache.org/jira/browse/XERCESJ-1227. Your choices to work around this are to Read more

Changing maxOccurs=unbounded to some finite number throws OOM in JVM. The finite number we have used is from 1000 to 5500 but the creates a memory starvation or resource exhaustion in all JVMs processing XMLs.  The ask to let us know if - Is there Read more

schema validation incorrectly treating single character outside of BMP as two characters

I've recently upgraded my project from Xerces-J 2.7.0 to Xerces-J 2.12.1 and I'm seeing a change in base64binary enumeration parsing behaviour Given this schema '1.0'?> xmlns:xsd='http://www.w3.org/2001/XMLSchema'>

I reproduced it with Oracle JDK 8u25, but it was not reproduced in Oracle JDK 8u202. Probably due to the following code in Oracle JDK 8u25. (com.sun.org.apache.xml.internal.utils.XMLReaderManager#getXMLReader()) reader = Read more

schema validation incorrectly treating single character outside of BMP as two characters

I have just spent several hours trying to find troubleshoot the same error when eventually I stumbled across this bug report. I have applied the same workaround as detailed here: https://issues.apache.org/jira/browse/LUCENE-3937 Any reason why this Read more

XSD 1.1 : error message improvement