Problems caused by dependency on package Xerces

[zhou sam]

When Xerces dependency package is added, an error occurs when parsing XML:

Exception in thread "main" java.lang.IllegalArgumentException: Property 'http://javax.xml.XMLConstants/property/accessExternalDTD' is not recognized.

at org.apache.xerces.jaxp.DocumentBuilderFactoryImpl.setAttribute(Unknown Source)

at org.optaplanner.core.impl.io.jaxb.GenericJaxbIO.parseXml(GenericJaxbIO.java:226)

at org.optaplanner.core.impl.io.jaxb.SolverConfigIO.read(SolverConfigIO.java:31)

at org.optaplanner.core.config.solver.SolverConfig.createFromXmlReader(SolverConfig.java:212)

at org.optaplanner.core.config.solver.SolverConfig.createFromXmlInputStream(SolverConfig.java:186)

at org.optaplanner.core.config.solver.SolverConfig.createFromXmlResource(SolverConfig.java:126)

at org.optaplanner.core.config.solver.SolverConfig.createFromXmlResource(SolverConfig.java:101), 

how to solve it

[zhou sam]

<dependency>
<groupId>xerces</groupId>
<artifactId>xercesImpl</artifactId>
<version>2.12.0</version>
</dependency>

[Lukáš Petrovický]

Hello,

it appears that the problem is entirely unrelated to OptaPlanner:

https://stackoverflow.com/questions/53299280/java-and-xerces-cant-find-property-xmlconstants-access-external-dtd

Regards!

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Lukáš Petrovický

He/Him/His

Principal Software Engineer, Business Automation

lukas.pe...@redhat.com    IM: triceo/lpetrovi