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Steve Loughran commented on HADOOP-5254: ---------------------------------------- For people seeing this -it may be you have >1 parser on the classpath and the wrong one is being picked up run the JVm with {code} -Djavax.xml.parsers.DocumentBuilderFactory=com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderFactoryImpl {code} > Xinclude setup results in a stack trace > --------------------------------------- > > Key: HADOOP-5254 > URL: https://issues.apache.org/jira/browse/HADOOP-5254 > Project: Hadoop Common > Issue Type: Bug > Components: conf > Affects Versions: 0.20.0, 0.21.0 > Environment: java version "1.6.0_02" > Java(TM) SE Runtime Environment (build 1.6.0_02-b05) > BEA JRockit(R) (build R27.4.0-90-89592-1.6.0_02-20070928-1715-linux-x86_64, > compiled mode) > Reporter: Steve Loughran > Assignee: Steve Loughran > Attachments: hadoop-5254.patch > > > seen this in SVN_HEAD, and it was mentioned on the user list in the week. It > explains why my health tests are failing on class.ForName(FSConstants) > gistration(127.0.0.1:8024, > storageID=DS-1466307248-127.0.1.1-8024-1234537374021, infoPort=8022, > ipcPort=50020):DataXceiver > [sf-startdaemon-debug] java.lang.ExceptionInInitializerError > [sf-startdaemon-debug] at > org.apache.hadoop.hdfs.server.datanode.DataXceiver.run(DataXceiver.java:76) > [sf-startdaemon-debug] at java.lang.Thread.run(Thread.java:619) > [sf-startdaemon-debug] Caused by: java.lang.UnsupportedOperationException: > This parser does not support specification "null" version "null" > [sf-startdaemon-debug] at > javax.xml.parsers.DocumentBuilderFactory.setXIncludeAware(DocumentBuilderFactory.java:590) -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.