Flink程序报错:Provider for class javax.xml.parsers.DocumentBuilderFactory cannot be created

flink如果要操作hdfs,需要一个hadoop-hdfs的包.而增加这个包后出现如下错误:

javax.xml.parsers.FactoryConfigurationError: Provider for class javax.xml.parsers.DocumentBuilderFactory cannot be created
java.lang.RuntimeException: Provider for class javax.xml.parsers.DocumentBuilderFactory cannot be created

原因: xml-apis包与项目里dom4j包冲突.
排除项目中所有xml-apis包.

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