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via GitHub by jimmyli97
, 1 year ago
Could not initialize class de.tuberlin.dima.schubotz.fse.utils.ExtractHelper
java.lang.NoClassDefFoundError: Could not initialize class de.tuberlin.dima.schubotz.fse.utils.ExtractHelper at de.tuberlin.dima.schubotz.fse.mappers.preprocess.DataPreprocess.flatMap(DataPreprocess.java:57) at de.tuberlin.dima.schubotz.fse.mappers.preprocess.DataPreprocess.flatMap(DataPreprocess.java:17) at eu.stratosphere.pact.runtime.task.chaining.ChainedFlatMapDriver.collect(ChainedFlatMapDriver.java:71) at de.tuberlin.dima.schubotz.fse.mappers.cleaners.QueryCleaner.flatMap(QueryCleaner.java:55)Caused by: java.lang.NullPointerException: xmlConfigurationStream is null at cz.muni.fi.mir.mathmlcanonicalization.MathMLCanonicalizer.<init>(MathMLCanonicalizer.java:95) at de.tuberlin.dima.schubotz.fse.utils.ExtractHelper.<clinit>(ExtractHelper.java:28) ... 4 more