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    java.lang.NullPointerException
        at org.apache.xerces.impl.xs.opti.SchemaParsingConfig.setFeature(Unknown Source)
        at org.apache.xerces.parsers.BasicParserConfiguration.<init>(BasicParserConfiguration.java:261)
        at org.apache.xerces.impl.xs.opti.SchemaParsingConfig.<init>(Unknown Source)
        at org.apache.xerces.impl.xs.opti.SchemaParsingConfig.<init>(Unknown Source)
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